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1. mw ERX EP P80P PCI Diagnostic amp Troubleshooting Card TRADEMARKS All products and company names are trademarks or registered trademarks of their respectives holders These specifications are subject to change without notice Manual Revision 1 0 July 1 1999 EP P80P User Notice No part of this product including the product and software may be reproduced transmitted transcribed stored in a retrieval system or translated into any language in any form without the express written permission of EPoX Com puter Company hereinafter referred to as EPoX except for documentation kept by the purchaser for backup purposes We provide this manual as is without warranty of any kind either ex pressed or implied including but not limited to the implied warranties or conditions of merchantability or fitness for a particular purpose In no event shall EPoX be liable for any loss of profits loss of business loss of use or data interruption of business or for indirect special incidental or consequen tial damages of any kind even if EPoX has been advised of the possibility of such damages arising from any defect or error in the manual or product EPoX may revise this manual from time to time without notice For updated product release information you may visit our websites at http www epox com http www epox com tw or http www epox nl Products mentioned in this manual are mentioned for identificatio2. 5V 3 3V 12V 12V C BE3 C BE2 C BE1 C BEO BIOS Code Display PCI Bus Connector Page 7 Card Feature Page 8 EP P80P EP P80P Diagnostic Card Usage Chapter 3 Diagnostic Card Usage System Voltages Detected These LED s represent the voltages they represent being present on the PCI bus The diagnostic card is capable of detecting 5 43 3 12 and 12V from the PCI bus PCI Bus C BE 3 0 Description Note A binary 1 below would represent the diagnostic card s corresponding LED being enabled on while 0 would be the LED disabled off BEQ PCI Bus 3 2 Command Type Interrupt Acknowledge Special Cycle T O Read T O Write Reserved Reserved Memory Read Memory Write Reserved Reserved Configuration Read Configuration Write Memory Read Multiple Dual Address Cycle Memory Read Line Memory Write and Invalidate ocoocoooooo o o o o o o o o o ocoocoo c oooo ooc oco oo ecoco For more information about the PCI Bus C BE signal please refer to PCI Local Bus Specification Revision 2 0 or Intel datasheets Page 9 Diagnostic Card Usage EP P80P AMI BIOS v6 24 Codes Following is the checkpoint list in AMIBIOS in order of execution Uncompressed INIT code checkpoints DO NMI is Disabled CPU ID saved Init code Checksum verification starting D1 Todo DMA init
3. Keyboard controller BAT test start memory refresh and going to 4GB flat mode D3 To start Memory sizing D4 To comeback to real mode Execute OEM patch Set stack D5 E000 ROM enabled Init code is copied to segment 0 and control to be transfered to segment 0 D6 Control is in segment 0 To check lt CTRL gt lt HOME gt key and verify main BIOS checksum If either CTRL2 HOME is pressed or main IOS checksum is bad go to check point EO else goto check point D7 D7 To pass control to Interface Module D8 Main BIOS runtime code is to be decompressed D9 Control to be passed to main BIOS in shadow RAM Boot Block Recovery Code Check Points EO OnBoard Floppy Controller if any is initialzed To start base 512K memory test El Toinitialise interrupt vector table E2 Toinitialise DMA and interrupt controllers E6 To enable floppy and timer IRQ enable internal cache ED Initialize floppy drive EE Start looking for a diskette in drive A and read Ist sector of the diskette EF Floppy read error FO Start searching AMIBOOT ROM file in root directory F1 MIBOOT ROM file not present in root directory F2 Start reading FAT table and analyze FAT to find the clusters occupied by MIBOOT ROM file F3 Start reading MIBOOT ROM file cluster by cluster F4 MIBOOT ROM file not of proper size F5 Disable internal cache FB Detect Flash type present Page 10 EP P80P Diagnostic Card Usage FC FD F
4. Reserved Detect CPU information including brand SMI type Cyrix or Intel and CPU level 586 or 686 Reserved Reserved Initial interrupts vector table If no special specified all H W interrupts are directed to PURIOUS_INT_HDLR amp S W interrupts to SPURIOUS_soft_HDLR Reserved Initial EARLY_PM_INIT switch Reserved Load keyboard matrix notebook platform Reserved HPM initialization notebook platform Reserved 1 Check validity of RTC value e g a value of 5Ah is an invalid value for RTC minute 2 Load CMOS settings into BIOS stack If CMOS checksum fails use default value instead 3 Prepare BIOS resource map for PCI amp PnP use If ESCD is valid take into consideration of the ESCD s legacy information 4 Onboard clock generator initialization Disable respective clock resource to empty PCI amp DIMM slots 5 Early PCI initialization Enumerate PCI bus number Assign memory amp I O resource Search for a valid VGA device amp VGA BIOS and put it into C000 0 Reserved Reserved Reserved Page 17 Diagnostic Card Usage EP P80P 27h Initialize INT 09 buffer 28h Reserved 29h 1 Program CPU internal MTRR P6 amp PII for 0 640K memory address 2 Initialize the APIC for Pentium class CPU 3 Program early chipset according to CMOS setup Example onboard IDE controller 4 Measure CPU speed 5 Invoke video BIOS 2Ah Reserved 2Bh Reserved 2Ch Reserved 2Dh 1 Initialize
5. below C3h Expand compressed BIOS code to DRAM C5h Call chipset hook to copy BIOS back to E000 amp F000 shadow RAM Ohl Expand the Xgroup codes locating in physical address 1000 0 02h Reserved 03h Initial Superio Early Init switch 04h Reserved 05h 1 Blank out screen 2 Clear CMOS error flag 06h Reserved 07h 1 Clear 8042 interface 2 Initialize 8042 self test 08h 1 Test special keyboard controller for Winbond 977 series Super I O chips 2 Enable keyboard interface 09h Reserved OAh 1 Disable PS 2 mouse interface optional 2 Auto detect ports for keyboard amp mouse followed by a port amp interface swap optional 3 Reset keyboard for Winbond 977 series Super I O chips OCh Reserved ODh Reserved OEh Test F000h segment shadow to see whether it is R W able or not If test fails keep beeping the speaker OFh Reserved 10h Auto detect flash type to load appropriate flash R W codes into the run time area in F000 for ESCD amp DMI support Page 16 EP P80P Diagnostic Card Usage 11 12 13 14 15 16h 17 18i 19 1Ah 1Bh 1Ch 1Dh 1Eh 1Fh 20h 21h 22h 23h 24h 25h 26h Reserved Use walking 1 s algorithm to check out interface in CMOS circuitry Also set real time clock power status and then check for override Reserved Program chipset default values into chipset Chipset default values are MODBINable by OEM customers Reserved Initial Early_Init_Onboard_Generator switch
6. multi language 2 Put information on screen display including Award title CPU type CPU speed 2Eh Reserved 2Fh Reserved 30h Reserved 31h Reserved 32h Reserved 33h Reset keyboard except Winbond 977 series Super I O chips 34h Reserved 35h Reserved 36h Reserved 37h Reserved 38h Reserved 39h Reserved 3Ah Reserved 3Bh Reserved 3Ch Test 8254 3Dh Reserved 3Eh Test 8259 interrupt mask bits for channel 1 3Fh Reserved 40h Test 8259 interrupt mask bits for channel 2 41h Reserved 42h Reserved 43h Test 8259 functionality 44h Reserved 45h Reserved 46h Reserved Page 18 EP P80P Diagnostic Card Usage 47h Initialize EISA slot 48h Reserved 49h 1 Calculate total memory by testing the last doubleword of each 64K page 2 Program write allocation for AMD K5 CPU 4Ah Reserved 4Bh Reserved 4Ch Reserved 4Dh Reserved 4Eh 1 Program MTRR of MI CPU 2 Initialize L2 cache for P6 class CPU amp program CPU with proper cacheable range 3 Initialize the APIC for P6 class CPU 4 On MP platform adjust the cacheable range to smaller one in case the cacheable ranges between each CPU are not identical 4Fh Reserved 50h Initialize USB 51h Reserved 52h Test all memory clear all extended memory to 0 53h Reserved 54h Reserved 55h Display number of processors multi processor platform 56h Reserved 57h 1 Display PnP logo 2 Early ISA PnP initialization Assign CSN to every ISA PnP device 58h Reserved 59h Initial
7. supported If errors occur report errors amp wait for keys If no errors occur or F1 key is pressed to continue wClear EPA Page 20 EP P80P Diagnostic Card Usage 80h 8th or customization logo Reserved Reserved E8POST ASM starts 82h 83h 84h 85h 86h 87h 88h 89h 90h 91h 92h 93h 94h 95h 96h 1 Call chipset power management hook 2 Recover the text fond used by EPA logo not for full screen logo 3 If password is set ask for password Save all data in stack back to CMOS Initialize ISA PnP boot devices 1 USB final Initialization 2 NET PC Build SYSID structure 3 Switch screen back to text mode 4 Set up ACPI table at top of memory 5 Invoke ISA adapter ROMs 6 Assign IRQs to PCI devices 7 Initialize APM 8 Clear noise of IRQs Reserved Reserved Reserved Reserved Reserved Reserved Reserved Read HDD boot sector information for Trend Anti Virus code 1 Enable L2 cache 2 Program boot up speed 3 Chipset final initialization 4 Power management final initialization 5 Clear screen amp display summary table 6 Program K6 write allocation 7 Program P6 class write combining 1 Program daylight saving 2 Update keyboard LED amp typematic rate 1 Build MP table 2 Build amp update ESCD 3 Set CMOS century to 20h or 19h Load CMOS time into DOS timer tick gt Page 21 Diagnostic Card Usage EP P80P 5 Build MSIRQ routing t
8. your questions online From our website you can find answers to many common questions drivers BIOS updates tech notes and important technical bulletins If you are still unable to locate the solution you are seeking you always have the option to contact our support technicians directly North American website English language ttp www epox com sales epox com support epox com European website Multi language ttp www epox nl sales epox nl support epox nl Taiwan website Chinese language ttp www epox com tw sales epox com tw support epox com tw Thank you for using EPoX products Copyright 1999 EPoX Computer Company All rights reserved EP P80P Table of Contents Chapter 1 Introduction Component Checklist Overview of EP P80P Chapter 2 Card Features Directions 7 Detailed Board Layout Chapter 3 Diagnostic Card Usage System Voltages Detected ssssss 9 PCI Bus C BE 3 0 sse 9 AMI BIOS v6 24 Codes Award BIOS v6 0 Codes Additional Sources of General Information EPoX http www epox com http www epox com tw http www epox nl Intel Corporation http www intel com http developer intel com EP P80P Introduction Chapter 1 Introduction Components Checklist A EP P80P User s manual B EP P80P PCI Diagnostic Card UT TAA B Page 5 Introduction EP P80P Overview
9. F 03 05 06 07 08 OB 0C 0E OF 10 11 12 13 14 19 1A 23 24 25 27 28 2A 2B 2C 2D 2E 2F 30 Erase Flash Program Flash Flash program successful BIOS is going to restart Runtime code is uncompressed in F000 shadow ram NMI is Disabled To check soft reset power on BIOS stack set Going to disable Cache if any POST code to be uncompressed CPU init and CPU data area init to be done CMOS checksum calculation to be done next Any initialization before keyboard BAT to be done next KB controller I B free To issue the BAT command to keyboard controller Any initialization after KB controller BAT to be done next Keyboard command byte to be written Going to issue Pin 23 24 blocking unblocking command Going to check pressing of INS END key during power on To init CMOS if Init CMOS in every boot is set or END key is pressed Going to disable DMA and Interrupt controllers Video display is disabled and port B is initialized Chipset init about to begin 8254 timer test about to start About to start memory refresh test Memory Refresh line is toggling Going to check 15us ON OFF time To read 8042 input port and disable Megakey GreenPC feature Make BIOS code segment writeable To do any setup before Int vector init Interrupt vector initialization about to begin To clear password if necessary Any initialization before setting video mode to be done Going for monochr
10. able FFh Boot attempt INT 19h For more information about Award BIOS please refer to the Award website at http www award com tw Page 22
11. ize the combined Trend Anti Virus code 5Ah Reserved 5Bh Optional Feature Show message for entering AWDFLASH EXE from FDD 5Ch Reserved 5Dh 1 Initialize Init Onboard Super IO switch 2 Initialize Init Onbaord AUDIO switch 5Eh Reserved 5Fh Reserved 60h Okay to enter Setup utility i e not until this POST stage can users enter the CMOS setup utility 61h Reserved Page 19 Diagnostic Card Usage EP P80P 62h Reserved 63h Reserved 64h Reserved 65h Initialize PS 2 Mouse 66h Reserved 67h Prepare memory size information for function call INT 15h ax E820h 68h Reserved 69h Turn on L2 cache 6Ah Reserved 6Bh Program chipset registers according to items described in Setup amp Auto configuration table 6Ch Reserved 6Dh 1 Assign resources to all ISA PnP devices 2 Auto assign ports to onboard COM ports if the corresponding item in Setup is set to AUTO 6Eh Reserved 6Fh 1 Initialize floppy controller 2 Set up floppy related fields in 40 hardware 70h Reserved 71h Reserved 72h Reserved 73h Optional Feature Enter AWDFLASH EXE if AWDFLASH is found in floppy drive ALT F2 is pressed 74h Reserved 75h Detect amp install all IDE devices HDD LS120 ZIP CDROM 76h Reserved 77h Detect serial ports amp parallel ports 78h Reserved 79h Reserved 7 Ah Detect amp install co processor 7Bh Reserved 7Ch Reserved 7Dh Reserved 7Eh Reserved 7Fh 1 Switch back to text mode if full screen logo is
12. n purposes only Product names appearing in this manual may or may not be registered trademarks or copyrights of their respective companies The product name and revision number are both printed on the diagnostic card itself Handling Procedures Static electricity can severely damage your equipment Handle the EP P80P and any other device in your system with extreme care and avoid unnecessary contact with system components on the motherboard or converter card Al ways work on an antistatic surface to avoid possible damage to the motherboard from static discharge Always have the power supply unplugged and powered off when inserting and removing devices within the computer chassis EPoX assumes no responsibility for any damage to the EP P80P that results from failure to follow instruction or failure to observe safety precautions Wy CAUTION A U The EP P80P card is subject to damage by static electricity Always observe the handling procedures EP P80P Technical Support Services If you need additional information help during installation or normal use of this product please contact your retailer Your retailer will have the most current information about your configuration If your retailer cannot help you may visit our online technical support website and or contact our support technicians at the locations listed below Contacting Technical Support EPoX technical support is working hard to answer all of
13. of EP P80P EP P80P is a PCI based Diagnostic amp Troubleshooting card for PCI local bus motherboards allowing realtime feedback of system boot status and current state of the PCI Byte Enable Command signals e The EP P80P can help IT professionals and system engineers in the troubleshooting and repair of non responsive systems by obtaining system status direct from port I O 80H The card is also capable of decoding from the PCI bus C BE as well checking the presence of 5 43 3 12 and 12V power lines The EP P80P manual includes a comprehensive list of common AMI and Award BIOS POST codes see chapter 3 LED 5v 33v 12v 412v gt 0000 BEQ3 BEQ2 BEG BEQO Page 6 EP P80P Card Feature Chapter 2 Card Features Directions Thank you for using EPoX products This chapter will discuss some general steps needed in order to get your new diagnostic card installed and operational Safety precautions Static electricity can severely damage your equipment Handle the EP P80P and any other device in your system with extreme care and avoid unnecessary contact with system components on the mainboard Always work on an antistatic surface to avoid possible damage to the mainboard from static discharge Always have the power supply unplugged and powered off when inserting and removing devices within the computer chassis Detailed Board Layout System Voltages Detected PCI Bus C BE 3 0 Status
14. ome mode and color mode setting Different BUSes init system static output devices to start if present To give control for any setup required before optional video ROM check To look for optional video ROM and give control To give control to do any processing after video ROM returns control If EGA VGA not found then do display memory R W test EGA VGA not found Display memory R W test about to begin Display memory R W test passed About to look for the retrace checking Page 11 Diagnostic Card Usage EP P80P 31 32 34 37 38 39 3A 40 42 43 44 45 46 47 48 49 4B 4C 4D 4E 4F 50 51 Display memory R W test or retrace checking failed To do alternate Display memory R W test Alternate Display memory R W test passed To look for the alternate display retrace checking Video display checking over Display mode to be set next Display mode set Going to display the power on message Different BUSes init input IPL general devices to start if present Display different BUSes initialization error messages New cursor position read and saved To display the Hit DEL message To prepare the descriptor tables To enter in virtual mode for memory test To enable interrupts for diagnostics mode To initialize data to check memory wrap around at 0 0 Data initialized Going to check for memory wrap around at 0 0 and finding the total system memory size Memory wrap around test done Mem
15. ory size calculation over About to go for writing patterns to test memory Pattern to be tested written in extended memory Going to write patterns in ase 640k memory Patterns written in base memory Going to findout amount of memory below IM memory Amount of memory below 1M found and verified Going to findout amount of memory above 1M memory Amount of memory above 1M found and verified Check for soft reset and going to clear memory below 1M for soft reset If power on go to check point 4Eh Memory below 1M cleared SOFT RESET Going to clear memory above 1M Memory above 1M cleared SOFT RESET Going to save the memory size Goto check point 52h Memory test started NOT SOFT RESET About to display the first 64k memory size Memory size display started This will be updated during memory test Going for sequential and random memory test Memory testing initialization below 1M complete Going to adjust displayed memory size for relocation shadow Memory size display adjusted due to relocation shadow Memory test above 1M to follow Page 12 EP P80P Diagnostic Card Usage 52 54 57 58 59 60 62 65 66 TF 80 81 82 84 85 86 87 88 89 8B Memory testing initialization above 1M complete Going to save memory size information Memory size information is saved CPU registers are saved Going to enter in real mode Shutdown successful CPU in real mode Going to di
16. rd keyboard ID and num lock Keyboard ID command to be Going to display any soft errors Soft error display complete Going to set keyboard typematic rate Keyboard typematic rate set To program memory wait states Going to enable parity NMI NMI and parity enabled Going to do any initialization required before giving control to optional ROM at E000 Initialization before E000 ROM control over E000 ROM to get control next Returned from E000 ROM control Going to do any initialization required after E000 optional ROM control Initialization after E000 optional ROM control is over Going to display the system configuration To build MP table if needed To uncompress DMI data and execute DMI POST init System configuration is displayed Going to copy any code to specific area Page 14 EP P80P Diagnostic Card Usage 00 Copying of code to specific area done Going to give control to INT 19 boot loader For more information about AMI BIOS please refer to the AMI website at http www ami com Page 15 Diagnostic Card Usage EP P80P Award BIOS v6 0 Codes Following is the checkpoint list in Award BIOS in order of execution CFh Test CMOS R W functionality COh Early chipset initialization Disable shadow RAM Disable L2 cache socket 7 or below Program basic chipset registers Clh Detect memory Auto detection of DRAM size type and ECC Auto detection of L2 cache socket 7 or
17. sable gate A20 line and disable parity NMI A20 address line parity NMI disable successful Going to adjust memory size depending on relocation shadow Memory size adjusted for relocation shadow Going to clear Hit lt DEL gt message Hit lt DEL gt message cleared lt WAIT gt message displayed About to start DMA and interrupt controller test DMA page register test passed To do DMA base register test DMA 1 base register test passed To do DMA 2 base register test DMA 2 base register test passed To program DMA unit 1 and 2 DMA unit 1 and 2 programming over To initialize 8259 interrupt controller Extended NMI sources enabling is in progress Keyboard test started clearing output buffer checking for stuck key to issue keyboard reset command Keyboard reset error stuck key found To issue keyboard controller interface test command Keyboard controller interface test over To write command byte and init circular buffer Command byte written Global data init done To check for lock key Lock key checking over To check for memory size mismatch with CMOS Memory size check done To display soft error and check for password or bypass setup Password checked About to do programming befoe setup Programming before setup complete To uncompress SETUP code and execute CMOS setup Returned from CMOS setup program and screen is cleared About to do programming after setup Programming after setup complete Going to di
18. splay power on screen message First screen message displayed WAIT message displayed PS 2 Mouse check and extended BIOS data area allocation to be done Page 13 Diagnostic Card Usage EP P80P 8C 8D 8F 91 95 96 97 98 99 9A 9B 9c 9D 9B A2 A3 A4 A5 A7 A8 A9 AA AB AC BO Bl Setup options programming after CMOS setup about to start Going for hard disk controller reset Hard disk controller reset done Floppy setup to be done next Floppy setup complete Hard disk setup to be done next Init of different BUSes optional ROMs from C800 to start Going to do any init before C800 optional ROM control Any init before C800 optional ROM control is over Optional ROM check and control will be done next Optional ROM control is done About to give control to do any required processing after optional ROM returns control and enable external cache Any initialization required after optional ROM test over Going to setup timer data area and printer base address Return after setting timer and printer base address Going to set the RS 232 base address Returned after RS 232 base address Going to do any initialization before Coprocessor test Required initialization before Coprocessor is over Going to initialize the Coprocessor next Coprocesor initialized Going to do any initialization after Coprocessor test Initialization after Coprocessor test is complete Going to check extd keyboa
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