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 supported:  | 
 Two 360KB, 720KB, 1.2MB, or 1.44MB drives  | 
| 
 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 damping enabled  | 
 JP3  | 
 open  | 
| 
 IDE-0 (J1) read signal damping disabled  | 
 JP3  | 
 closed  | |
| » | 
 IDE-1 (J2) read signal damping enabled  | 
 JP4  | 
 open  | 
| 
 IDE-1 (J2) read signal damping disabled  | 
 JP4  | 
 closed  | |
| » | 
 IDE-0 (J1) write signal damping enabled  | 
 JP5  | 
 open  | 
| 
 IDE-0 (J1) write signal damping disabled  | 
 JP5  | 
 closed  | |
| » | 
 IDE-1 (J2) write signal damping enabled  | 
 JP6  | 
 open  | 
| 
 IDE-1 (J2) write signal damping disabled  | 
 JP6  | 
 closed  | |
| » | 
 Hard drive port address is 1F0-1F7, 3F6 & 3F7h  | 
 JP7/jumper 4  | 
 closed  | 
| 
 Hard drive port address is 170-177, 376 & 377h  | 
 JP7/jumper 4  | 
 open  | |
| » | 
 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  | ||
| 
 
  | ||
| 
 Select  | 
 JP8  | |
| » | 
 Fastest skew  | 
 pins 2 & 5 closed  | 
| 
 Medium skew  | 
 pins 1 & 2 closed  | |
| 
 Slowest skew  | 
 pins 2 & 3 closed  | |