ide controller card (at bus card) model: ca8390 *** user`s manual
Contents
1. 23 HIOW 24 Ground 25 HIOR 26 Ground 27 IOCHRDY 28 HALE 29 Unused 30 Ground 31 IRQBUS 32 IOCS16 33 HAI 34 Unused 35 HAO 36 HA2 37 HCSO 38 HCSI SLV ACT Ground Page 4 The hard disk drive interface has two different configuration i ST412 506 interface amp ii AT bus interface ST412 506 interface has the hard disk drive controller built in the interface card While the AT bus interface does not have the hard disk drive controller embedded in the interface card The AT bus interface hard disk drive has its own embedded controller and does not require an external controller Connecting the ST412 506 hard disk drive to the AT bus interface could result in damage to the hard disk drive and or system Check your system manual to ensure the system has an AT bus interface hard disk drive before using the AT bus hard disk drive interface BLOCK DIAGRAM OF CA8390 IBM PC AT is registered trademarks of International Business Machines Corporation The above information represents the best of our knowledge We may have erroneous information and we reserve the right to change the specifications without prior notice Page 52. IDE CONTROLLER CARD AT BUS CARD MODEL CA8390 USER S MANUAL CONTENTS INTRODUCTION FEATURES INSTALLATION PROCEDURE JUMPER SETTING CONNECTOR DESCRIPTION FDD INTERFACE HDD INTERFACE PAGES 1 INTRODUCTION The CA8390 is an advanced interface adapter for IBM PC AT and compatible system The adapter supports up to two floppy disk drives with any combination of 360K 720K 1 2M and 1 44MB density The CA8390 can supports up to two AT bus hard disk drives with 16 bits data transfer interface Both FDD and HDD controller interface can be disabled according to your system requirements 2 FEATURE 16 bit data transfer which is fully compatible with IBM PC AT interface Supports two floppy disk drives of any combination of 360K 1 2MB 5 25 and 720K 1 44M 3 5 Controls two AT bus hard disk drives High bandwidth host interface works up to 16MHZ host 1 0 clock FDD and HDD controller ports can be disabled 3 INSTALLATION PROCEDURE I Switch off all power of your system including any connected peripherals Il Removes the cover of your system and the screw of a bracket from any empty expansion slot Sets jumpers of the CA8390 according to the FDD amp HDD to be connected IV Plugs the CA8390 into the empty slot as mentioned in 11 and line up the adapter with the screw hole in the rear plate of your system V Screws the bracket to fix the CA8390 and connect the signal
3. cables with the adapter and your FDD HDD interface connectors VI Replaces your system cover carefully and the installation proce dure is now completed Page 1 4 JUMPER SETTING J3 AT BUS hard disk drive controller SHORT Enable HDC J4 floppy disk drive controller SHORT Enable FDC 5 CONNECTOR DESCRIPTION Page 2 6 FDD INTERFACE The FDD have two types of interface control and DC power the following figure shows the signal and pin assignments for the control interface FLOPPY DISK DRIVE INTERFACE J5 Signal ground Reduced write Reserved Unused Signal ground Unused Signal ground INdex Signal ground Motor enable 1 Signal ground Drive select O Signal ground Drive select 1 Signal ground Motor enable O Signal ground Direction Select Signal ground Step Signal ground Write data Signal ground Write enable Signal ground Track O Signal ground Write protect Signal ground Read data Signal ground Head 1 select Signal ground Disk change Page 3 7 HDD INTERFACE The CA8390 provides the interface between the system and the bus hard disk drive through 40 pin connector cable AT BUS HARD DISK DRIVE INTERFACE J 1 1 Reset 2 Ground 3 HD7 4 HD8 5 HD6 6 HD9 7 HD5 8 HD10 9 HD4 10 HD11 11 HD3 12 HD12 13 HD2 14 HD13 15 HD1 16 HD14 17 HDO 18 HD15 19 Ground 20 Unused 21 Ground 22 Ground
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