EASTERN ELECTRONICS COMPANY IDC-767 DISK ACCELERATOR Data bus: 32-bit, VL-bus Size: Three/quarter-length, full-height card Hard drive supported: Four IDE (AT) Interface drives Floppy drives Two 360KB, 720KB, 1.2MB, or 1.44MB drives supported: [Image] CONNECTIONS Function Location 40-pin IDE(AT) Interface connector - IDE-0 J1 40-pin IDE(AT) Interface connector - IDE-1 J2 34-pin control cable connector - floppy drive J3 4-pin connector - Drive active LED JP1 USER CONFIGURABLE SETTINGS Function Location Setting » IDE-0 (J1) read signal JP3 open damping enabled IDE-0 (J1) read signal JP3 closed damping disabled » IDE-1 (J2) read signal JP4 open damping enabled IDE-1 (J2) read signal JP4 closed damping disabled » IDE-0 (J1) write signal JP5 open damping enabled IDE-0 (J1) write signal JP5 closed damping disabled » IDE-1 (J2) write signal JP6 open damping enabled IDE-1 (J2) write signal JP6 closed damping disabled » Hard drive port address is JP7/jumper 4 closed 1F0-1F7, 3F6 & 3F7h Hard drive port address is JP7/jumper 4 open 170-177, 376 & 377h » Floppy drive enabled JP7/jumper 5 closed Floppy drive disabled JP7/jumper 5 open » Normal operation JP7/jumper 6 closed Test mode enabled JP7/jumper 6 open INTERRUPT REQUEST IRQ JP2/jumper 1 JP2/jumper 2 JP2/jumper 3 JP2/jumper 4 5 closed open open open 12 open closed open open » 14 open open closed open 15 open open open closed BIOS ADDRESS Address JP7/Jumper 1 JP7/Jumper 2 JP7/Jumper 3 DC000h closed closed closed D8000h open closed closed D4000h closed open closed D0000h open open closed CC000h closed closed open C8000h open closed open Disabled n/a open open LOCAL BUS CLOCK SKEW [Image] Select JP8 » Fastest skew pins 2 & 5 closed Medium skew pins 1 & 2 closed Slowest skew pins 2 & 3 closed