Aleph One PC Expansion Cards User Guide
Contents
1. e 486PC expansion card in anti static bag e Floppy disc containing PC support software e Registration card e Bag containing blank back panel T piece and screws If any of these items seem to be missing please contact your supplier Aleph One Ltd 5 User Guide 2 Installing the PC expansion card The PC expansion card is a single width expansion card which may be fitted to any vacant expansion slot in your computer In all models except the A3000 the card fits within the computer s case the A3000 requires an external box to contain the expansion card please consult the fitting instructions supplied with the box To fit the card to all other Acorn RISC computers simply ee wn 6 Switch off the computer and unplug it from the electricity supply at the wall Remove the computer s top cover Insert the card into a vacant expansion card slot Make sure that the card is firmly seated in its backplane connector Once you are sure that the card is firmly connected to the backplane fasten the card to the rear of the case with the two screws supplied If necessary use the blank panel and T piece supplied to fill any vacant space left in the back panel by fitting the card for example if the PC expansion card is the only card fitted Replace the top cover and switch the computer back on If you are in any way unhappy about performing this task yourself then please contact your Acorn dealer for assistance 2 1 Checkin2. PCConfig before using the card with the coprocessor fitted If you perform this upgrade for yourself be warned that we will not entertain warranty claims for incompetent fitting Be sure to use a 387SX numeric coprocessor rated at at least the same speed as the PC Card this will normally be 25MHz but a 33MHz chip will also work Either speed will work with the clock doubled 486 50 card because the PC Card speed is still 25MHz Check carefully that the bevelled corner of the chip mates with the same corner of the socket before pushing it home once fitted a special tool is required to remove it 6 2 Installing SIMMs The PC Card uses RAM in the form of a single 32 bit SIMM This must have the following general characteristics in order to operate correctly Aleph One Ltd 27 User Guide e 72 pin SIMM format e 32 or 36 bit memory width either will work 32 bit is cheaper e access time of 70nS or less e Memory capacity of 512K x 32 2MB 1MB x 32 4MB 2MB x32 8MB or 4MB x 32 16MB It is recommended that you fit at least 4MB in order to run Windows and applications To change memory first remove the existing SIMM by freeing the retaining clips at either end and prying up the SIMM Now alter the memory jumpers next to JP15 so that jumpers are fitted in the combinations below Jumper fitted o o Nojumper a o 2MB 2MB o o 2MB 2 2MB fac 4MB a o 4MB s o 4MB 2 4MB 2 16MB 16MB 16MB 16MB 512kx32 2MB 1M
3. closest to the JP5 label The location of the plug on the PC Card is shown below oscillators 9 way serial port 64 way connector IDE connector aoe TOE 4 Fit the other end of the cable onto the host computer s Auxiliary Audio Connector This consists of two rows of five pins located on the main circuit board towards the rear of the computer The exact arrangement varies according to which kind of computer you have 42 Aleph One Ltd PC Expansion Card A400 or A300 Input Ground A540 Ld Ground Rear of case Ground Power YRAM Simm or slot supply a aa DRAM Simm or slot DRAM Simm or slot 5 Ensure that the Output of the PC card connects to the Input of the computer via the resistor and that the two Grounds are also connected together 6 Now test your work You can use the file SNDTST EXE supplied on the PC disc after copying it to a DOS disk or partition or use a sound generating application under DOS or Windows Aleph One Ltd 43 User Guide 44 10 CD ROM Drivers for Aleph One PC systems It is possible to use CD ROM drives attached to the Archimedes from your Aleph One PC To do this you will need a copy of Microsoft CD ROM Extensions a file named MSCDEX EXE from Microsoft or NWCDEX EXE for Novell DOS You must copy this file into your hard disc partition before proceeding You will now need to make several alterations to your Aleph One PC setup 1 If you have the PC
4. 39 8 1 Printing from the PC card 39 8 2 Printing screen dumps 40 9 PC card sound output 41 10 CD ROM Drivers for Aleph One PC systems 44 11 Troubleshooting 45 11 1 Error Messages from AICD SYS 45 11 2 Error messages from direct SCSI support 46 Index 49 PC Expansion Card 1 Introduction Congratulations on your purchase of an Aleph One PC Expansion Card for your Acorn RISC Computer This sophisticated product allows your Acorn computer to execute programs designed for IBM compatible computers efficiently It is vital that you complete and return the registration card supplied with your PC Expansion Card YOU WILL NOT RECEIVE ANY SOFTWARE UPDATES UNLESS YOU DO All updates to the core PC software are free simply return your master disc for updating regularly Some optional software extensions such as networking software are charged for These instructions cover the installation and setup o the card and its software They do not teach you how to use DOS an Windows If you are new to using DOS or Windows we recommend that you buy one of the many books available on the subject in addition to the manuals supplied with those products We hope you will enjoy using your Aleph One PC Expansion Card and find it a superior way to run IBM compatible software on your Acorn computer 1 1 Contents of the 486PC package Your Aleph One PC expansion card package should consist of the following items in addition to these instructions
5. Aleph One Limited The Old Courthouse Bottisham Cambridge England C135 9BA Telephone 0223 811679 Fax 0223 812713 Email support alephl co uk Contents 1 Introduction 5 1 1 Contents of the 486PC package 5 2 Installing the PC expansion card 6 2 1 Checking that the card is correctly installed 6 3 Installing the PC support software 7 4 Configuring your PC partition or drive 8 4 1 Setting up a DOS partition 8 4 2 Direct IDE drives 11 4 3 Direct SCSI access 12 4 4 Further options in PCConfig 13 5 Using your PC Expansion Card 18 5 1 Starting the PC Expansion Card 18 5 2 Using the PC Expansion Card 18 5 3 Closing down the PC 19 5 4 Resetting the PC card 20 5 5 Configuring your PC 20 5 6 Using the keyboard with the PC expansion card 20 5 7 Using the mouse with the PC expansion card 21 5 8 Using Microsoft Windows with the PC expansion card 21 5 9 Using DR DOS with Windows 3 1 22 5 10 Installing the Aleph One Windows 3 0 3 1 Driver 22 5 11 Using extended expanded memory from DOS 24 6 The PC expansion card hardware 27 6 1 Numeric coprocessor 27 6 2 Installing SIMMs 27 6 3 PC Expansion card serial and parallel ports 28 6 4 Floppy drives 29 7 Networking your PC Card 30 7 1 Requirements 30 7 2 Installing the networking software 31 7 3 Ether3 module 32 7 4 Interrupt number options 33 7 5 PCNE2 module options 34 7 6 Alternative Novell Netware Configurations 35 7 7 Ether3 module options 36 8 Printing via the Archimedes
6. Emulator s own CD ROM support configured in CONFIG SYS you should comment it out using REM or delete it before proceeding 2 Copy the following file into your DOS partition A 1CD SYS is an MS DOS device driver for MSCDEX EXE you must transfer it onto your DOS boot disk and add a line in your CONFIG SYS file like this DEVICE A1CD SYS D MSCDO000 You should also copy MSCDEX EXE to a suitable place such as your PC root directory and include the line MSCDEX D MSCDO000 in your AUTOEXEC BAT file 3 Set up RISC OS CDFS to recognise the CD ROM drive You must alter the RISC OS configuration for CD ROM drives to indicate that a CD ROM drive is present Note that the RISC OS CDFS does not require this so you may not already have it correctly set but PC does require it and will refuse to work otherwise displaying the error message No CD ROM drives working 4 From the Supervisor prompt enter or choose Configure from the CD ROM s icon bar menu Configure CDFSDiscs 1 or more if you have several CD ROM drives and then press CTRL BREAK to bring the new configuration into effect Aleph One Ltd PC Expansion Card 11 Troubleshooting Like any IBM compatible computer the PC card may fail to run some DOS applications perfectly Utility programs which drive PC hardware directly and games are the most notorious culprits While we have made every effort to support such software it is impossible to guarantee that every
7. This requires the construction and connection of a suitable cable e To play WAV files under Windows you will need the SPEAKER DRV speaker driver from Microsoft This is now included in this release as a DOS self extracting archive in the file SPEAK EXE Copy this to a DOS floppy disc or a hard disc directory and run it to extract the files Then read the text files for details of installing the driver The Aleph One PC cards generate sound from the on board PC motherboard chip in the same way as a normal PC does In order to hear this sound through the host computer s loudspeaker you must link the two sound systems together using a cable We can supply you with a suitable cable for 5 plus VAT To make your own cable you will require Qty Item 1 2 pin 0 1 female socket for example molex 1 10 pin 2x5 female socket 2 20cm lengths low voltage wire ideally Red amp Black 1 30K or 500K variable 0 25W resistor 1 Soldering iron or crimp tool 1 Make up a cable with a socket at each end joined by the two lengths of wire Connect the resistor in series with the Red wire ie the signal not the ground 2 Twist the wires together along their length You should end up with Aleph One Ltd 41 User Guide something which looks like this Resistor in red wire ee ee onnector Connector 3 Fit one end of the cable over the sound plug on the PC card Attach Black to Ground furthest from the JP5 label and Red to Output
8. given is in hex up to 4 digits For instance the pTCPIP switch is equivalent to n800 n806 n8035 Several n options can be given and mixed with p options d lt driver name gt Selects the RISC OS network driver and unit number to be used By default the PCNE2 module uses ea0 for the driver name which is the Atomwide ANT Ethernet card driver ea unit 0 To change this to Acorn Ethernet et unit 0 you would use PCNE2 det0O If you have only one Ethernet card you can find out the correct name for your driver by typing show InetSEtherType Examples for Novell Netware Netware Lite Windows for Workgroups LAN Manager etc RMEnsure PCNE2 1 50 RMLoad lt ObeySDir gt PCNE2 equivalent to RMEnsure PCNE2 1 50 RMLoad lt Obey Dir gt PCNE2 pISO for PC TCP PC NFS etc RMEnsure PCNE2 1 50 RMLoad lt ObeySDir gt PCNE2 pTCPIP for both Netware etc and TCP IP simultaneously RMEnsure PCNE2 1 50 RMLoad lt Obey Dir gt PCNE2 pISO pTCPIP for Novell Netware using ETHERNET_II frames RMEnsure PCNE2 1 50 RMLoad lt ObeySDir gt PCNE2 pIPX 7 6 Alternative Novell Netware Configurations There are two common standards for formatting data transmitted over Ethernet type networks The original Xerox Ethernet standard specified that each data packet had Frame Type information at the start Later Aleph One Ltd 35 User Guide the ISO and IEFE 802 3 standards replaced this wit
9. is set up correctly for the PC network software which you intend to use You can configure the PCNE2 module by changing the following line in PC s Run file RMEnsure PCNE2 1 50 RMLoad lt ObeySDir gt PCNE2 options options may be one or more of p lt packet type gt Selects the type of network packets which PCNE2 is to receive and transmit to the network This needs to be chosen according to the PC network software in use The currently available types are e ISO Packets using the ISO TEEE802 3 style Frame Length packets This is what Netware Netware Lite and Windows for Workgroups normally use and is the default for the PCNE2 module e IPX Novell systems using the IPX protocol and old Ethernet Ethernet_II Frame Type style packets See Alternative Novell Netware Configurations on page 35 below for an explanation of this e TCPIP Systems using the TCP IP protocol e g PC TCP or PC NFS e XNS Xerox s XNS protocol e g 3Com s 3 Open system e DECNET Digital s DECNET DOS operating system e DECLAT Digital s LAT protocol More than one p option can be given although there is a maximum limit imposed by the network driver Some choices may use up more than one frame type n lt number gt If you need to support a protocol which is not listed above you can Aleph One Ltd PC Expansion Card specify the Frame Type values which PCNE2 should receive by number using this option The number
10. lets you save debugging information in a file You should not normally use this option Floppy The software will normally configure itself correctly for the drives built into your computer and also for certain high density drives added to your computer This option lets you configure your floppy drives and their size to suit non standard systems for example where you have a 5 25 in disc attached to your computer Aleph One Ltd PC Expansion Card NE2000 interrupt This option specifies the interrupt that the NE2000 Emulation will use if you are using the network drivers See the section on networking for details Networking your PC Card on page 30 Usual values are 5 or 15 High RAM Enable This option causes RAM to mapped into the Upper memory area 640K 1 Mb see section 5 11 It makes little or no difference in practice due to the way that extended memory drivers operate It should normally be left off Busmouse This enables or disables the emulation of the Acorn mouse as a DOS bus mouse It should be left on unless you wish to use a serial mouse plugged into the PC card or need to release the interrupt for some other use Busmouselnt This specifies the interrupt that the bus mouse emulation will use If you are using the supplied AMOUSE COM driver 4th Dec 1992 then you must leave this at 3 The MOUSE COM supplied with Windows can use interrupts 2 3 or 5 RetraceEmulation Specifies the rigorousness of the emulati
11. module 32 You must have the latest version of the Ether3 driver installed for correct operation If you have other Archimedes networking software installed it will probably try to load its own older version of Ether3 which may be called EtherA when it starts up You should locate these versions and replace them with copies of the new Ether3 supplied with PC Specifically for Acorn Universal Networks 1 Look in the BootNet Drivers directory rename any existing copies of Ether3 for example to Ether3_OLD and copy in the new Ether3 For Acorn TCP IP do the same for the Internet Drivers or Internet Modules directories If you have the Internet software you may need to change the ETHER3 settings see Ether3 module options on page 36 Aleph One Ltd PC Expansion Card 2 Finally you may need to prevent a copy of Ether3 being loaded from the network card itself To do this type the command unplug Ether3 and reboot your machine You must also have the BootNet CMOS configuration option Off otherwise the Ether3 module on the network card will still be loaded even if it was unplugged 7 4 Interrupt number options The network emulation needs an Interrupt or IRQ number on the PC to function correctly If you have an Issue 2 Revision 1 PC card an Acorn A3020 4000 PC card or an Issue 1 Revision 1 card with the interrupts swapped modification you should leave this set to interrupt 5 However a
12. old This is all you need for normal Novell Netware Netware Lite or Microsoft Windows for Workgroups networks If you are intending to use other PC networking software for example TCP IP you may need to add options to the end of the RMLoad lt Obey Dir gt PCNE2 line see the section PCNE2 module options on page 34 If you have additional networking software already installed on the Archimedes you may need to check the section Ether3 problems below With this done PC can then be started and the PC network software can then be installed During installation you will probably be asked what type of network card the PC has Select a Novell NE2000 card driver You will usually be asked for the I O Port Address and Interrupt or IRQ 31 User Guide number for the card You should choose the following settings I O port base 340hex Interrupt IRQ 5 No DMA If you do not have a PC Card with the interrupts swapped modification it will not be able to use Interrupt 5 You may still be able to get it to work however see Interrupt number options below Setup Examples For Netware and Netware Lite the configuration above is specified by a NET CFG file which contains these lines the indentation is significant Setup the NE2000 card Link driver NE2000 INT 5 PORT 340 For Windows PROTOCOL INI MSSNE2CLONE drivername MS20 00 INTERRUPT 5 IOBASE 0x340 7 3 Ether3
13. on device X The device did not respond to the SCSI_Initialise SWI This uses the SCSI Inquire command to read parameters about the drive It usually indicates a basic problem with connections to the drive Aleph One Ltd PC Expansion Card Warning SCSI device X is type d not direct access IPC checks the device type found using the Inquire command If this is not type O direct access usual for hard disks it gives this warning but continues to attempt to use it Using non direct access devices is not tested and not guaranteed to work SCSI device X has bad sector size NNN For use with MS DOS SCSI disks should be formatted to a sector size of 512 bytes Unfortunately RISCOS uses 1024 byte sectors The drive needs a low level format to change this this will need to be done on a PC or using special software under RISCOS Aleph One Ltd 47 User Guide 48 Aleph One Ltd Index Symbols PC Config 8 WAV 41 A AMOUSE COM 21 AUTOEXEC BAT 20 21 C CDFS 44 CD ROM Drivers 44 CD ROMs troubleshooting 45 Checking installation 6 CONFIG SYS 20 24 26 44 Configuration 8 20 Novell Netware alternatives 35 Configuration options 11 Configuring Ether3 options 38 Coprocessor 16 27 D DCI 2 30 Directing printer output 40 DOS boxes and Windows 21 DOS FS 10 DOS partition 8 DOS printer output 39 DR DOS 25 and Windows 22 E EGA 15 Ether3 31 configuration options 38 module options 36 problems 32 Ether
14. parallel port If you chose LPT1 then anything sent to LPT1 by software running on the PC would appear on the laser printer and anything sent to LPT2 would appear on the dot matrix printer Note that from the Archimedes you can only print to the RISC OS printer stream as normal so the dot matrix printer would not be available to RISC OS applications The only difference between the Archimedes and PC parallel ports is that the PC port is bi directional while the Archimedes port is not and thus can only send data out This is significant for devices which send data back to the computer through this interface such as scanners tape backup units when restoring and Hewlett Packard s HP LaserJet IV These must all be connected to the PC card and can only be accessed by DOS software Although the A5000 has a bi directional parallel port the PC card cannot use it for these purposes and the port on the PC card should be used 8 2 Printing screen dumps 40 Note that the PrintScreen key cannot be used to make screen dumps of PC programs If you need to do this follow the procedure outlined in section 5 2 Aleph One Ltd PC Expansion Card 9 PC card sound output The standard PC beep is passed over to the Archimedes in software so that error beeps are heard on the speaker If you want more comprehensive sound then the output from the PC card can be connected to the Archimedes sound electronics so that all PC sound is heard on the speaker
15. program in the world will work If you do find that one of your programs does not run on the PC Card please contact us directly In most cases we are able to solve the problem and help you run the software you want e You can configure the PC application to generate extensive and useful debugging information by altering the Config file within PC so that the debugging section reads as follows Trace On You will also need to direct the messages these tools generate to a file otherwise they will appear on your screen To save debugging messages in a file 1 Hold down the shift key while double clicking on the PC application 2 Load the Run file into Edit and scroll to the last line which begins TRun 3 Remove the vertical bar I from the start of the last line Save the file this causes all trace information to go into a file called TraceFile inside the PC application 5 Reload PC and run the problem program again You may then examine it after you quit the application 6 Copy the TraceFile onto a floppy disc and return it to us You may also send reports and enquiries by email to support alephl co uk 11 1 Error Messages from Al CD SYS The Aleph One PC CD ROM driver uses several error messages to alert you to problems These are as follows ERROR Invalid line in CONFIG SYS Aleph One Ltd 45 User Guide Means some of the text following DEVICE A1CD SYS is incorrect Currently you may only have the
16. required by the PC expansion card 5 Read the RelNote text file which is also on the disc This contains important information which was confirmed too late to go in the printed documentation and also describes all the other files on the disc and tells you whether you need to install them or not 6 Once you have copied the files you must remove the PC software disc from the drive before running PC Aleph One Ltd T User Guide 4 Configuring your PC partition or drive Once you have pysically installed the PC Expansion Card and copied its software on to your hard drive you will need to configure it for use with the particular system setup you have If you are not using a hard disk or your DOS partition is not bootable you will need to have a DOS boot system disc available First you should e Reset your computer This procedure prepares your computer for running the configuration utility PCConfig This program gives you an easy way to set up the PC Card as you want it e Run PCConfig be ne IPCConfig 4 1 Setting up a DOS partition To use the PC card you must set up a DOS partition on your hard disc if you have one by using the utility software supplied with your PC card To create a DOS partition for the Aleph One PC cards you should run the PCConfig application on the disc which came with your PC card by double clicking on it 1 A configuration window will appear which allows you to set up your D
17. supported and are known to work with the PC card External 5 25in drives of both low and high density may be used with the PC card Consult our technical support staff for details of how to do this Aleph One Ltd 29 User Guide 7 Networking your PC Card If you have bought the optional networking drivers for your PC Card you will be able to link your PC Card to PC networks 7 1 Requirements To use this software you will need 30 An Archimedes Acorn RISC computer with an Atomwide ANT Ethernet card or an Acorn Ethernet 3 board Boards supplied by other manufacturers will theoretically work if you can obtain drivers equivalent to Ether3 which conform to the new DCI 2 specification with Aleph One extensions Check with your supplier An Aleph One PC card If you have an old Issue 1 Revision 1 card make sure it has the interrupts swapped modification this is a pair of wire mods on the bottom of the board Without this modification you may have trouble configuring your PC software Issue 2 Revision cards have a label on the back of the parallel port Issue 2 Revision 2 cards are identified as such by the PODULES command Contact Aleph One technical support if you need more information Networking software of your own choice to run on the PC which can support a Novell NE2000 network card or clone Virtually all modern software will do this Version 1 23 onwards of PC works correctly with Microsoft s Windows for
18. you have enough free RAM under RISC OS before making this configuration Low resolution text If your monitor is not VGA or better you may prefer to use Low resolution text which is designed to be easier to read on low resolution screens If you are using a multi frequency monitor you should not select this option Enable boot from floppy Turn this option off to stop DOS trying to boot from a floppy for virus protection and convenience Aleph One Ltd 15 User Guide Printer stream Direct the Printer stream to the appropriate port This option allows you to use the RISC OS printer stream in addition to the on card parallel port for printer output See Printing via the Archimedes on page 39 for details of these options Coprocessor If you have a 387 coprocessor chip fitted select the Coprocessor installed option Do not select this option if you do not have a coprocessor as it will confuse DOS The following options will only appear if you have edited the ConfData file Initialise in monochrome Select Initialise in monochrome if you need to work in monochrome MDA mode on the PC In most circumstances you should not need to select this option Powersaving Choose Use Powersaving features to take advantage of some power saving features which are built into the PC card reducing power consumption when running in multi tasking mode This switch may be left off for normal operation Trace Turning this option on
19. 0 Tx failed 16 collisions 0 Rx failed CRC error 0 Rx failed no buffers 0 Tx failed no buffers 0 Rx failed no memory 0 Tx failed no memory 0 Receive babble error 0 Tx failed blocked 0 Receive dribble error 0 Unknown frames 0 Standard clients Frame amp 0800 ErrLvl 00 AddrLvl 01 FrmLvl 00 Frame amp 0806 ErrLvl 00 AddrLvl 01 FrmLvl 00 Frame Aleph One Ltd 37 User Guide amp 8035 ErrLvl 00 AddrLY1 01 FrmLvl 00 Log Ether3 messages can appear here Configuration options These options are set with configure ether3 lt option gt If the cmos configuration is set to verbose all statistics are printed whereas cmos configuration set to terse causes only non zero statistics to be printed which is often more relevant disable Disable the card which prevents it from being used enable Permit the card to be used This is the default state oldinet Permit correct operation with old versions of the Internet relocatable module Old versions are those prior to 2 00 newinet Permit operation that takes advantage of speed enhancements present in Internet reloctable modules version 2 00 and abo his is the defau a Only permit network usage if the card passes its livewire tests if performed Some unusual network configurations can cause the live wire tests to fail with a perfectly func tional card strict ignore Do not prevent operation if live wire tests fail This
20. A 32 Expanded memory 24 Extended memory 24 H High density floppy drives 29 I Installing networking software 31 support software 7 Installing the card 6 Interface statistics 37 Interrupt number options 33 K Keyboard setting up 20 L Low resolution text 15 LPT1 39 LPT2 39 M Making a sound cable 41 MDA 16 Memory expanded 24 extended 24 Microsoft CD ROM Extensions 44 Microsoft Windows allocating disc space for 10 driver software 22 Enhanced Mode 21 installing 21 quitting 19 running DOS programs under 21 Monochrome operation 16 Mouse setting up 21 MOUSE COM 21 MSCDEX EXE 44 MS DOS 5 25 MultiFS 21 Multi tasking operation 19 enabling 14 N Naming your DOS partition 9 Netware Lite 31 Networking 30 38 configuring Ether3 38 Ether3 module options 36 interface statistics 37 interrupt number options 33 PCNE2 module options 34 requirements 30 self tests 36 setting packet type 34 Networking software installing 31 Novell NE2000 30 Novell Netware 31 alternative configurations 35 P Packet type 34 Parallel port 28 Partitioning your hard disc 8 PC card package contents 5 PC cards Issue 1 and networking 30 PC Emulator 8 21 PC expansion card hardware 27 PCNE2 module options 34 Powersaving 16 Printer stream 16 Printing via the Archimedes 16 39 PrintScreen 19 40 Producing trace files 45 R RAM upgrades 27 Resetting the PC 20 RISC OS 29 CDFS 44 returning to the desktop 19 S Screen grabbing 19 SC
21. Aleph One PC Expansion Cards i Tai File Manager Control Panel PrintManager Clipboard MSDOS Viewer Prompt a TTP ee Ti User Guide Aleph One PC Expansion Cards User Guide Issue 5 May 1994 Copyright 1994 Aleph One Limited Cambridge England Issue 5 April 1994 Neither the whole nor any part of the information contained in or the product described in this manual may be adapted or reproduced in any material or electronic form without the prior written consent of the copyright holder This product and its documentation are supplied on an as is basis and no warranty as to their suitability for any particular purpose is either made or implied Aleph One Limited will not accept any claim for damages howsoever arising as a result of use or failure of this product Your statutory rights are not affected The Aleph One PC Expansion Card is not intended for use in any medical appliance device or system in which the failure of the product might reasonably be expected to result in personal injury The Aleph One PC Expansion Card was created by Laurie van Someren Alex van Someren Project manager Nick van Someren Ian Harvey Programmer Dave Knell Hardware engineer Carol Atack Documentation Wookey Technical support Our thanks also to John Redford Ian Sewell Malcolm Bird Made possible by VLSI Technology Inc Intel AMD United Microcircuit Corp Linear Technology Lucky Goldstar All trade marks acknowledged
22. Bx32 4MB 2MBx32 8MB 4MBx32 16MB Note that some SIMMs which have ICs mounted on both sides may require the jumper posts to be trimmed down with side cutters to allow the jumper to clear the rear of the SIMM You may prefer to have memory upgrades performed by your dealer If you perform the upgrade yourself you should take great care to avoid static electricity and not to damage the SIMM or the PC Card 6 3 PC Expansion card serial and parallel ports 28 The Aleph One PC Expansion cards are equipped with their own serial and parallel interfaces which are connected directly to the PC rather than to the Archimedes These interfaces behave exactly like the first serial port COM1 and parallel port LPT1 on a PC Aleph One Ltd PC Expansion Card You can send and receive data over both interfaces allowing dongles and modems to be used straightforwardly Be sure to select Single tasking full screen mode when using the serial or parallel interfaces to achieve reliable operation In multi tasking mode it is possible for other RISC OS applications to interfere with the PC application and cause errors 6 4 Floppy drives If your Archimedes is equipped with a built in high density disc drive eg A5000 you can format read and write high density 1 44MB DOS discs directly Other models of Archimedes can neither read nor write such discs without a hardware upgrade RISC Developments and ARXE Serial Port high density drives are
23. OS partition 2 First specify the disc which will hold the partition and the name of the partition If you already have a DOS partition set up on your hard disc for use with the PC Emulator simply drag its icon into the PC configuration window If you do this you must not click the button marked Create because the drive already exists PCwill then 8 Aleph One Ltd PC Expansion Card use your existing drive 3 If you are creating a new partition click Create to create the disc partition A further sub dialog will appear in which you should enter the name of the partition and its size If you plan to use Aleph One Ltd 9 User Guide Microsoft Windows you should create a partition of at least 20MB HE iPCFormat File name ADFS 4 Drive_C Initialise ready for use ae size _ Mm XL Create Cancer Walp The Aleph One PC cards allow the use of DOS partition files up to 512MB in size Unfortunately the version of DOS FS built into RISC OS 3 10 and 3 5 does not let the RISC OS Filer support partitions larger than 32MB so while the PC card can access larger partitions RISC OS cannot see them directly or display them on the desktop Acorn is presently working on a patch for RISC OS which will fix this problem In the meantime you will have to use partitions no larger than 32MB if you want to access them from the RISC OS Desktop you can of course have one small accessible partition and one la
24. OS recognises two conceptual or logical printer output streams called LPT1 Line PrinTerl and LPT2 and also PRN a synonym for LPT1 You can choose to which of these you send the output of your work by specifying it on the command line for command line driven programs in a program in more advanced DOS programs such asWordperfect or in Control Panel Printers in Windows You can choose where to plug your printer in either at the parallel port on the PC card or that on the Archimedes motherboard The link between the DOS printer assignment and the actual printer connector is made in software by setting the printer option in PC Config Off connects the LPT1 print stream to the connector on the PC Card and disables LPT2 e LPT1 connects the LPT print stream to the RISC OS printer stream and connects the LPT2 print stream to the connector on the PC Card e LPT2 connects the LPT1 print stream to the connector on the PC Card and connects the LPT2 print stream to the RISC OS printer stream Aleph One Ltd 39 User Guide The RISC OS printer stream output is then directed by typing FX5 y or CONFIGURE PRINT y at the command line or in RISC OS 3 0 or 3 1 by using Configure Consult your RISC OS documentation for details of how to specify the printer you are using Thus if you have a dot matrix printer and a laser printer you could connect the laser printer to the Archimedes port and the dot matrix to the PC
25. SI troubleshooting 46 Self tests networking 36 Serial port 28 Shutting down the PC 19 Single tasking operation 18 and using ports 29 switching to 19 Sizing the PC window 15 Software installing network drivers 31 Sound cable 41 Sound output 41 SPEAKER DRV 41 Start up options 10 Starting the PC expansion card 18 Support software 7 T TCP IP 31 Troubleshooting 45 CD ROM drives 45 Ether3 problems 32 SCSI 46 U Updating your system 7 Using the PC card 8 Vv VGA 15 Ww Windows 10 21 driver software 22 Windows for Workgroups 30 31 Aleph One Limited The Old Courthouse Bottisham Cambridge CBS 9BA Telephone 0223 811679 Fax 0223 812713 Email support alephl co uk
26. TUP INF are supplied on the same floppy as the other parts of the PC software You must copy these files on to a DOS floppy disk to install them Make sure that the files on the DOS disk have the following names RISC OS will have truncated some of them Name on RISC OS disk Name on PC disk ARMVGA DRV ARMVGA DRV ARMSVGA DR ARMSVGA DRV OEMSETUP I OEMSETUP INF The enhanced Windows Driver provides a substantial increase in speed 22 Aleph One Ltd PC Expansion Card for many common Microsoft Windows 3 0 and 3 1 drawing functions by using the Archimedes as a graphics coprocessor It replaces the standard VGA driver VGA DRV The drivers supplied are e ARMVGA DRYV providing VGA resolution 640x480 16 colours v05 1994 01 12 To use the VGA driver you will need PC version 1 11 1993 01 06 or later and your monitor must be capable of displaying mode 27 to use it in single tasking mode e ARMSVGA DRV providing SVGA resolution 800x 600 16 colours v05 1994 01 12 To use the SVGA driver you will need PC version 1 22 1993 11 09 or later and your monitor must be capable of displaying mode 31 to use it in single tasking mode The drivers can either be installed manually or by using Windows Setup We recommend that you use Windows Setup either during the initial installation or after Windows is installed Using Setup when installing Windows 1 Start to install Windows using the Custom Installation option 2 When
27. The new driver will be used the next time you start Windows 5 11 Using extended expanded memory from DOS This section explains the way PCs and the PC card handle memory beyond the standard 640K and the different terms used by PC software to describe different areas of memory e If you have a 4MB card you will need either a third party memory manager or MS DOS 5 or 6 or DR DOS 5 or later to access the full 4MB of memory But you will need to ensure that the extended memory manager software is correctly placed in the CONFIG SYS file as detailed in your DOS manual The rest of this section provides technical information about PC memory handling and examples of what you need to type into your 24 Aleph One Ltd PC Expansion Card CONFIG SYS file to ensure that all memory is used Conventional memory is memory from 0 to 640K 00000h to QFFFFh This is the RAM used for DOS and for programs Upper memory is memory between 640K and 1MB A0000h to FFFFFh This area is used for video memory A0000h to BFFFFh although it is not all used if you do not use VGA graphics modes and for the BIOS F8000h to FFFFFh High memory is the first 64K 16bytes above 1MB 100000h to 10FFFOh This can be accessed only if you have more than 1MB of RAM and needs a memory manager such as HIMEM SYS which can control the a20 address line Extended memory is memory above 1MB This obviously only exists on cards with more than 1MB of RAM and n
28. Workgroups software The files provided on the PC network driver software disk These are PCNE2 RISC OS relocatable module version 1 50 28 03 94 or later ETHER3 RISC OS relocatable module version 1 31 07 12 93 or later A text file NetReadMe containing information additional to or superseding that in this User Guide PC application version 1 50 30 03 94 or later Aleph One Ltd PC Expansion Card The software works by emulating an NE2000 network card in the PC and connects to the Archimedes Ethernet card via the PCNE2 and ETHER3 modules ETHER3 is an updated version of the network card driver supplied with the Ethernet board it is designed to replace the old version 7 2 Installing the networking software To install the networking software ready for use do the following 1 Copy the PCNE2 and Ether3 files into the PC application directory as this is where the Run file expects them to be 2 Load PC s Run file into a text editor Ensure that the following Aleph One Ltd lines are present You should find them commented out with a T Remove this comment character These ensure that the ETHER3 and PCNE2 modules are present when PC is run RMEnsure Ether3 1 31 RMLoad lt ObeySDir gt ETHER3 RMEnsure Ether3 1 31 Error lt Obey Dir gt Ether3 not found or too old RMEnsure PCNE2 1 50 RMLoad lt ObeyS Dir gt PCNE2 RMEnsure PCNE2 1 50 Error lt ObeySDir gt PCNE2 not found or too
29. a spare drive bay in your computer The disk must be fixed to a suitable mounting bracket inside the computer 2 Connect the drive to the connector JP1 on the PC Expansion Card Aleph One Ltd using a 40 way ribbon connector Ensure that pin 1 on the IDE drive connect and pin 1 of the JP1 connector at the top right of the connector nearest the 486 chip on the card match up otherwise 11 User Guide both card and drive may be damaged 64 way connector Bh oChtodeuosseanbeoua eeecocofsecoecesocoes no IDE connector 3 Run PCConfig 4 Enter the drive characteristics in the window which appears You may need to consult the drive datasheet or your supplier for the relevant information Note that your version of DOS may restrict the sector size to 17 and the number of cylinders to less than 1024 It is possible to fit an LED to the PC Card via jumper J10 This allows you to set up a front panel LED so that you can see when the drive is being accessed Note that if you do this the LED will always be on when the card is not in operation and will only give a reliable reading when you are actually running PC e Even if you have a hard drive connected to your PC card you may want to set up a PC partition accessible from the PC desktop for ease of moving files back and forth between the two environments This partition need not be your boot drive 4 3 Direct SCSI access If you have an Acorn SCSI adapter or an alterna
30. ave inserted a non system DOS disc an error message to this effect will appear Insert a system disc or change your Config file and try again Once DOS has started up you will see the DOS prompt as usual your PC card is now ready for use 5 2 Using the PC Expansion Card The PC expansion card can be configured to operate in either single or multi tasking modes e In single tasking mode the full speed of the PC is available but the 18 Aleph One Ltd PC Expansion Card RISC OS Desktop is suspended whilst using the PC e In multi tasking mode the PC runs in a window whilst other RISC OS applications are also running this means the PC must share the Archimedes and consequently runs more slowly but extra features are available See Chapter 4 Configuring your PC partition or drive above for more information When running in a window the PC must be selected as indicated by its title bar turning yellow before it can be used Click once on the window to select it When the window is already selected a double click will cause the PC to switch to single tasking mode you may return to the Desktop using the middle mouse button or ALT BREAK as described in the next section If you close the window whilst the PC is in multi tasking mode you can restore the window by either clicking Select on the PC icon on the icon bar or choosing Single Task from the icon bar menu Multi tasking mode provides a menu within the window selected with the mi
31. certain amount of modification is possible should you feel up to it On Revision 2 PC cards April 1994 onwards there are more options for swapping interrupts around For the NE2000 emulation to work properly it must have an interrupt number which e Can be generated by the PC card e Is allowed by your PC network software The default interrupt number is 5 but PC can use a number of alternatives Place the line NE2000Int nn in the PC Config file to change this to IRQ number nn Allowable values are 5 8 or 15 If you have a card without the interrupts swapped mod you can t use Int 5 and are therefore restricted to 8 or 15 You will then have to change your PC networking software to accept this setting The original NE2000 card did not support interrupt numbers 8 or 15 and so some software won t accept these settings However a number of recent NE2000 clone cards do allow this and are supplied with drivers which accept Int 8 or Int 15 If you can find such a driver you should be able to use it More recent drivers supplied with Windows for Workgroups and Novell Netware also support these interrupts Aleph One Ltd 33 User Guide Alternatively you may be able to do without PC s built in mouse support You can disable this and will then be able to use interrupt number 3 To do this add the lines BusMouse Off NE2000Int 3 to the PC Config file 7 5 PCNE2 module options 34 You need to make sure PCNE2
32. d you should specify this sort of mouse if asked by applications AMOUSE COM is a basic DOS driver supplied on the installation disc MOUSE COM supplied with Windows and MS DOS 6 is more comprehensive but uses more memory The interrupt used by the mouse is specified in the config file do not change this from its default setting of 3 unless you have device conflict You must remove the PC Emulator mouse driver AMOUSE from your system to guarantee that the DOS mouse driver will work To use the AMOUSE COM driver supplied with the PC card 1 If you have been using the AMOUSE COM supplied with the PC Emulator you should delete or rename it 2 Copy the file AMOUSE COM supplied on the PC expansion card support disc into your DOS partition using MultiFS Its name will become AMOUSE COM 3 Invoke the mouse driver by typing AMOUSE at the DOS prompt You may wish to include this command in your AUTOEXEC BAT file 5 8 Using Microsoft Windows with the PC expansion card In order to use the Aleph One PC cards with Windows 3 1 you must choose the Custom Installation option during the Windows installation process This allows you to select VGA version 3 0 or the Aleph One Windows Driver for the display driver Other settings which may not be obvious are Mouse Microsoft or PS 2 and Keyboard Enhanced 101 or 102 key US and non US keyboard After making these selections you can proceed with the installation Windows may be used with th
33. ddle mouse button which allows the screen to be saved in sprite ie Paint and text ie Edit formats Note that some PC applications use text only or graphics only display modes which will prevent data saving in one or other format in this case the menu options will be grey and cannot be selected You must use this menu to grab screens the PrintScreen key will not work 5 3 Closing down the PC Make sure that you have saved any PC files you are working on before quitting It is important to exit Windows completely before quitting by quitting any programs open and then quitting Windows e To exit from the PC press either the middle mouse button or the ALT and BREAK keys simultaneously This suspends the PC and returns control to RISC OS A single click on the PC icon returns to the PC display again e To quit the PC card application completely choose Quit from the icon bar menu Aleph One Ltd 19 User Guide 5 4 Resetting the PC card Reset the PC expansion card using the traditional key combination CTRL ALT DEL This is particularly important if you have altered your CONFIG SYS or AUTOEXEC BAT files and wish the alterations to come into effect 5 5 Configuring your PC When the PC starts up two important files affect its configuration These are CONFIG SYS and AUTOEXEC BAT These must be in the root directory for DOS to be able to work CONFIG SYS sets up the DOS operating system by defining the data structures which de
34. e PC card in any of its modes supported by your hardware combination Note that only PC cards with 4MB RAM can run Windows in Enhanced Mode No special setup is required to run Windows 3 0 simply follow the Windows installation procedure you Aleph One Ltd 21 User Guide will need to have about 4MB of disc space free It is possible to run DOS applications in DOS boxes within Windows using the PC Card Set the execution options in the PIF file to exclusive and not background to do this e If you have a 300 or 400 series machine you will need to use 720K floppy discs to install Microsoft Windows Contact Microsoft on 081 614 8000 to exchange your discs 5 9 Using DR DOS with Windows 3 1 If you are using the DR DOS operating system and you wish to run Windows 3 1 you must ensure that you have a copy of DR DOS dated April 1992 or later Contact Novell the publishers of DR DOS directly for information on how to obtain a DR DOS upgrade if you do not possess the relevant version Telephone 0344 724000 If you are running an older copy of DR DOS you will see the following error message if you attempt to run Windows 3 1 Fault in extended memory manager 5 10 Installing the Aleph One Windows 3 0 3 1 Driver The Aleph One Windows Driver accelerates Microsoft Windows on the PC expansion card You will need to set this up e The standard Windows Drivers ARMVGA DRV and ARMSVGA DRV the text file README and a setup file OEMSE
35. ect CRC PASSED Loopback incorrect CRC PASSED Loopback controller CRC PASSED Livewire correct CRC PASSED Aleph One Ltd PC Expansion Card Livewire incorrect CRC PASSED Livewire controller CRC PASSED The 80004 is replaced with 8005 as appropriate The slot reflects the podule slot the card is present in The purpose of the CRC checks is to ensure that the controller can correctly generate CRCs for transmission and correctly distinguish between packets with and without CRC errors on receiption If the self test fails then the command e3info can be used to display some more information on the nature of the failure s If self tests pass then the e3info statistics are re zeroed If self tests fail such that the card is deemed faulty then these statistics are not re zeroed permitting the network manager to determine more fully the nature of the problem Interface statistics Interface statistics may be printed with the e3info command like this example shows output in verbose mode configured for TCP IP use e3info Ether3 interface statistics eat 80004 16 bit MEMCla slot 0 enabled hardware address 00 02 07 00 63 00 Packets received 1 Packets transmitted 1 Bytes received 46 Bytes transmitted 46 Receive interrupts 1 Transmit interrupts 1 Receive errors 0 Transmit errors 0 Rx packet too small 0 Tx packet too small 0 Rx packet too long 0 Tx packet too long
36. eeds a memory manager to make it available to programs that can use it Expanded memory is not directly acessible by the CPU it can only be accessed by additional hardware although some memory managers Expanded Memory eMulators can make extended memory available as expanded memory to programs that need it To take advantage of memory beyond 1MB PCs need to use special memory managers These are built into MS DOS 5 and later and DR DOS 5 and later but need to be specifically enabled by being placed in the CONFIG SYS file see your DOS documentation If you have an earlier version of DOS and a 4MB PC card you will need a third party memory manager or to upgrade to either e MS DOS 5 and 6 which has two primary memory managers HIMEM SYS and EMM386 EXE HIMEM SYS is an extended memory manager which simply allows the RAM above 1M to be accessed EMM386 EXE allows this memory to be used as expanded memory and or it allows upper memory blocks to be used for DOS and its device drivers DR DOS 5 or 6 Novell DOS 7 which have one primary memory manager EMM386 SYS which does all of the above Memory managers must be installed before other device drivers in the CONFIG SYS file See your DOS manual for details on how to do this Aleph One Ltd 25 User Guide 26 Versions of DOS before version 5 do not include memory managers although Windows 3 0 or later comes with HIMEM SYS Example CONFIG SYS settings for a 4MB card Use the
37. g that the card is correctly installed Check that your PC expansion card is correctly installed with the following procedure 1 2 3 Switch to the RISC OS command line by pressing function key F12 Type PODULES at the Supervisor prompt You should see the message Podule X Aleph One PC Card Rev 2 where X is the number of the slot in which the card is fitted If this message does not appear then try the card in another slot before consulting your dealer for further instructions Aleph One Ltd PC Expansion Card 3 Installing the PC support software Before you can use your PC card you must install its support software on your computer A copy of DOS is also required all common versions of both Microsoft and Digital Research DOS have been tested on the PC expansion cards and found to operate correctly To install the software 1 Make a backup copy of the PC software and keep it somewhere safe you can make as many copies of the software as you like without restriction 2 Drag the green PC icon and the PCConfig into whichever directory you wish to use it After a few moments the installation process will be complete 3 Next run the SysMerge application supplied on the floppy disc by double clicking on it 4 Drag your current System and the System from the floppy disc into the SysMerge window An automatic System update will then be performed ensuring that you have the correct versions of various modules
38. h a Frame Length field Most Novell installations use ISO IEEE 802 3 Frame Length packets However it is possible to set up Novell to use Frame Type packets and if your network does this you should use the pIPX switch with PCNE2 To check which is in use find a DOS machine which is already connected to the network In the NET or similar directory look for a file called NET CFG and display it on the screen Lines similar to Frame ETHERNET 802 3 Frame ETHERNET 802 2 Frame ETHERNET SNAP RMEnsure PCNE2 1 50 RMLoad lt Obey Dir gt PCNE2 pIPX pISO mean ISO packets are in use no need to worry and lines similar to Frame ETHERNET II mean you need to use the pIPX switch If you still can t decide try both as in 7 7 Ether3 module options 36 In general you will not need to change these from the defaults The most likely thing you will have to change is newinet to oldinet if you have an old version of the internet module See below New Features for version 1 31 Support for multicast and promiscuous modes of operation have been added This has been done on top of the definition of DCI2 in such a way that DCI2 clients ie protocol modules will continue to behave as originally defined Self tests Working self test produces the following Locate controller 80004 16 bit MEMCla in slot 0 TARESLR RUD ES aiie siren aaa PASSED Buffer memory PASSED Loopback corr
39. is the default state nolivewiretest Do not repeat the 3 packet tests performed in loopback on the network itself In order to determine the correct func tioning of the hardware the self tests deliberately lprovokeerrors livewiretest Repeat the loopback packet tests on the network to which the card is connected if no network is present these tests are likely to fail This is the default state Causes self tests to be silent not print anything if no problems are detected Also causes a shorter form of the e3info output This is the default verbose Selftests always print messages as they proceed and e3info produces more output default Restore configuration to default values 38 Aleph One Ltd PC Expansion Card 8 Printing via the Archimedes You can optionally configure your PC Expansion Card to have a second parallel port via the Archimedes This port can only send data not receive it so it suits printers proper but not dongles or scanners To set up printing via the Archimedes you must select this in PC Config see Further options in PCConfig on page 13 above Direct laser printers attached to the Archimedes eg ArcLaser Laser Direct can be used when printing via Archimedes is selected and the direct laser printer is configured with an Epson compatible printer emulator Consult the documentation supplied with your direct laser printer for more information 8 1 Printing from the PC card D
40. isabling e More video options e Powersaving option e Debugging Most users will not need to change any of these Should you want to you will need to edit the ConfData text file inside the PCConfig application In this file options are prevented from appearing in the PCConfig window by a character at the start of the title string Removing the will enable the option for configuration with PCConfig Aleph One Ltd 13 User Guide Within the Config window is a series of configuration options which are discussed in detail below Note that the Config file is only read by the PC application when it starts up if you change these settings you must quit and re start PC before they will come into effect The default options which you will see unless you have altered the ConfData file are the following SPE Card Configuration ADFS Start up to lt Tcon bar lt Full screen lt gt Window iIDEDi scg Elyist50 IPEE oa ra Allow desktop operation Enable VGA mode support Use small font for text modes OII Use RISCOS printer strean S SLT OLT Coprocessor installed J i Use power saving features As described above there are many other options In most cases the default settings will be appropriate and you should not change them This is a list of all the options which will always appear and their purpose Allow desktop operation Select Allow desktop operation if you want to be able t
41. o run the PC in multi tasking mode on the RISC OS desktop This option switches the RISC OS window front end on and off When switched on the PC application will start up in a window and allow both windowed and single task operation When Aleph One Ltd PC Expansion Card switched off only single task operation ie full screen is available so when you leave the PC by pressing the middle mouse button there will be no PC window active on the RISC OS desktop only a PC icon on the icon bar Shrink PC window to fit screen Select Shrink PC window to fit screen if you want to scale the PC screen to fit your screen This option causes the window front end to attempt to keep the RISC OS window the same size regardless of PC display mode or RISC OS mode The best way to understand this effect is to try it in several PC and several RISC OS modes Enable VGA mode support Select Enable VGA mode support if your monitor is capable of displaying a VGA screen This option allows EGA and VGA modes to be selected If you do not have a monitor capable of displaying VGA modes Monitortype 1 3 or 4 required then the PC Card will revert to multitasking mode if a VGA or EGA mode is selected If you want to operate in single tasking mode you should turn this option off which will mean that CGA modes are always used and the PC Card will be able to remain in single tasking mode The VGA display requires an extra 512K of RAM to operate check that
42. on of the vertical retrace registers used by the display 0 Normal is most compatible and may be required to nake some games work for example Civilisation This option will make some software display very slowly on a CGA display for example Checkit If you experience slow CGA displays then try the 1 faster or 2 fastest options If you experience problems with games especially division by 0 errors then ensure that it is set to 0 Normal Click OK to confirm your settings You must quit and restart the PC program for the changes to take effect Aleph One Ltd 17 User Guide 5 Using your PC Expansion Card Once you have e Installed the PC Card hardware e Installed the PC and PCConfig programs e Used PCConfig to set up a hard disc partition or to enter details of your IDE or SCSI PC format hard disc e Checked any other setup requirements and additional options in PCConfig which apply to your system you are ready to start using your PC Expansion Card 5 1 Starting the PC Expansion Card 1 Run PC IPC 2 Click once on the PC icon on the icon bar or choose Single Task from its icon bar menu to start up the PC 3 You will see the Aleph One start up message followed by the results of a memory test on the card This is followed by the message Booting from and the floppy disk light will be illuminated briefly even if you are booting from a hard disc 4 If your DOS hard disk partition is not bootable or you h
43. phrase D name after this name is the name by which MSCDEX will know the device driver it should be no more than 8 characters long If you do not have D name the name will default to MSCDO00 ERROR Cannot find Aleph One BIOS services You are trying to run AICD SYS on a system which is not an Aleph One PC card e g anormal DOS system or the Acorn PC emulator This error will also occur with very old pre 0 79 versions of the PC application ERROR No CD ROM drives working The PC application has been unable to find any working CD ROM drives This may be because the drive is switched off or the Acorn CD filing system and driver CDFS is not loaded or you have not configured at least one CD ROM drive as noted above 11 2 Error messages from direct SCSI support 46 If there are problems with direct SCSI support try turning trace messages on PC might produce one of the following messages SCSI Reserve failed device X IPC has been unable to reserve the SCSI drive X is the device ID most often because it is in use by something else usually RISCOS Try using CONFIGURE SCSIFSdiscs to stop RISCOS attempting to use this drive SCSI Op Read failed device X SCSI Op Write failed device X IPC has been unable to read or write to the drive using the SCSI_Op SWI It will always use standard 10 byte SCSI Read or Write commands you should check that the drive supports these SCSI Initialise 2 failed
44. rge one accessible to the PC card but which cannot be accessed from the RISC OS desktop The 486PC in common with a real PC can only support two hard disk partitions The four hard disks allowed by Acorn s software PC Emulator are not supported by PC 4 The next section Start up to dictates what happens when you double click on the PC icon Select the option you prefer whether you simply wish the PC to appear on the icon bar or whether you 10 Aleph One Ltd PC Expansion Card want it to be operational in full screen or window Scroll down the PC configuration window to access further options You should select the options which are appropriate to your particular configuration or requirements Each option and its consequences are discussed more fully in section 4 4 on page 13 below When you have made all the choices you need click OK The PC card will be configured ready for use If it is already loaded on to the icon bar you must quit and restart for your changes to take effect 4 2 Direct IDE drives The 486PC 25 and 486PC 50 Expansion Cards permits up to two IDE hard disks to be connected directly to the PC card itself You may prefer to get your dealer to help you install and set up this drive If you have two drives they must be configured as master and slave Details of the link settings needed can be obtained from your drive supplier To set up an IDE drive do the following 1 Install the hard disk in
45. se to enable extended memory and load DOS into upper memory thus maximizing the amount of conventional memory available for programs DR DOS 5 or 6 DEVICE EMM386 FRAME NONE ROM F800 ffff BDOS AUTO HIDOS ON MS DOS 5 DEVICE HIMEM SYS DEVICE EMM386 EXE i COOO F7FF noems DOS HIGH UMB The above assume that no expanded memory is required Aleph One Ltd PC Expansion Card 6 The PC expansion card hardware The PC expansion card consists of a 486SLC or 486SLC2 processor a single chip PC motherboard RAM and several peripheral interfaces IDE connector serial port parallel printer port and the Acorn computer interface Several hardware upgrades are possible they are discussed below 6 1 Numeric coprocessor Some DOS programs using floating point numbers will require a numeric coprocessor to run many others will simply run faster if a numeric coprocessor is fitted There is no equivalent to the Floating Point Emulator for DOS programs so you may be forced to fit this chip to run certain programs at all An optional 387SX numeric coprocessor may be added simply by plugging it into the vacant socket on the PC card It must be inserted in a static free environment and in the correct orientation you should therefore ask your dealer to do this for you if you are in any way uncertain about the procedure Remember to select the option Coprocessor installed in
46. termine how many files can be open what languages can be displayed and what device drivers are installed to access memory CD ROMs etc It is consulted by DOS when the system in this case the PC card starts up AUTOEXEC BAT is a standard batch file see your DOS manual which contains executable DOS commands It is read by the system after CONFIG SYS once DOS is running It is here that any standard programs which you always want to be run are started for example mouse drivers disk recovery utilities Environment variables are also specified here 5 6 Using the keyboard with the PC expansion card If you have a standard UK Acorn keyboard it must be configured as a United States keyboard not as a UK English keyboard to get the correct symbols In practice almost all software that needs to know DOS Windows will assume an US keyboard by default so usually there is nothing specific that must be done This means that neither your AUTOEXEC BAT nor your CONFIG SYS file needs a KEYB command device e If you have a non UK Acorn keyboard set up for foreign language support for example German you should use the appropriate KEYB command for the language you wish to use 20 Aleph One Ltd PC Expansion Card 5 7 Using the mouse with the PC expansion card In order to use the Archimedes mouse with the PC card you will need an appropriate mouse driver The mouse is emulated as a bus mouse so any driver must understand this option an
47. tive which supports the same SWIs check with your SCSI adapter supplier you can use direct SCSI support The aim of this is to allow SCSI hard disks which have been formatted and used on a PC to be read and written to by the PC 12 Aleph One Ltd PC Expansion Card Card This support is built into versions 1 00 or later of the PC software If you want to connect a PC formatted SCSI disk just enter the device ID in PCConfig instead of the usual filename The software will configure itself automatically to the size of the drive You may experience desktop problems because RISC OS thinks that this disc is a SCSIFS drive which it cannot read properly To cure this the PC hard disk should have its SCSI ID set to a higher number than any other RISC OS drive on the SCSI chain and you should use Configure SCSIFSdiscs lt nnn gt to reduce the number of disks by one that is lt nnn gt should be the number of discs present on the SCSI chain minus one 4 4 Further options in PCConfig PCConfig supports many other options in addition to helping you set up your hard disc for use with the PC Card When you run PCConfig it will examine your whole computer system carefully and present you with any further configuration options Only the basic options are displayed in the default window Other options which you may wish to alter include e Floppy disc settings e Multitasking options e Interrupt number assignment e Bus mouse d
48. you get to the screen that displays your settings choose Display then Other display Requires disk from OEM which should be at the bottom of the list 3 Insert the DOS disk on to which you have copied the Aleph One Windows Drivers 4 Press Return to accept the default path of A or type in the drive letter if you have placed the disk in a different drive 5 Select the driver that you require 6 Continue with the installation supplying disks as prompted Using Setup after Windows is installed You can change the display driver at any time by running Windows Setup either from DOS with your Windows directory as the current Aleph One Ltd 23 User Guide directory or from within Windows You will also need to do this if you receive updated versions of the Windows Drivers 1 Select Change System Settings from the Options menu 2 Proceed from step 2 above You will have to restart Windows for the changes to take effect Manual installation To install the driver 1 Copy the driver file ARMVGA DRV or ARMSVGA DRY into your PC s WINDOWS SYSTEM directory 2 Load the file SYSTEM INI in your PC s WINDOWS directory into a text editor Find the line in the boot section which reads display drv vga drv and for the VGA driver replace it with the line display drv armvga drv or for the SVGA driver display drv armsvga drv Don t worry if your SYSTEM_INI file has something other than vga drv after the sign
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