EASTERN ELECTRONICS COMPANY
IDC-747
| 
 
  | 
Data bus: 16-bit, ISA
Size: Full-length, full-height card
Hard drives supported: Four IDE (AT) Interface drives
Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB drives
| 
 CONNECTIONS  | |
| 
 Function  | 
 Location  | 
| 
 34-pin data cable connector-floppy drives  | 
 CN1  | 
| 
 40-pin IDE (AT) Interface connector-drives 1 & 2  | 
 CN2  | 
| 
 40-pin IDE (AT) Interface connector-drives 3 & 4  | 
 CN3  | 
| 
 4-pin connector-drive active LED  | 
 CN4  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Location  | 
 Setting  | |
| » | 
 Normal I/O decoder speed  | 
 JP1  | 
 pins 1 & 2 closed  | 
| 
 Fast I/O decoder speed  | 
 JP1  | 
 pins 2 & 3 closed  | |
| » | 
 Hard drive port address is 1F0-1F7h, 3F6-3F7h  | 
 JP3/jumper 4  | 
 closed  | 
| 
 Hard drive port address is 170-177h, 376-377h  | 
 JP3/jumper 4  | 
 open  | |
| » | 
 Floppy drive enabled  | 
 JP3/jumper 5  | 
 closed  | 
| 
 Floppy drive disabled  | 
 JP3/jumper 5  | 
 open  | |
| » | 
 Factory configured - do not alter  | 
 JP3/jumper 6  | 
 closed  | 
| » | 
 Factory configured - do not alter  | 
 JP3/jumper 7  | 
 N/A  | 
| 
 BIOS ADDRESS  | ||||
| 
 Address  | 
 JP3/jumper 1  | 
 JP3/jumper 2  | 
 JP3/jumper 3  | |
| » | 
 D800h  | 
 open  | 
 closed  | 
 closed  | 
| 
 D000h  | 
 open  | 
 open  | 
 closed  | |
| 
 C800h  | 
 open  | 
 closed  | 
 open  | |
| 
 Disabled  | 
 open  | 
 open  | 
 open  | |
| 
 INTERRUPT REQUEST  | |||||
| 
 IRQ  | 
 JP2/jumper 1  | 
 JP2/jumper 2  | 
 JP2/jumper 3  | 
 JP2/jumper 4  | |
| 
 IRQ5  | 
 closed  | 
 open  | 
 open  | 
 open  | |
| 
 IRQ12  | 
 open  | 
 closed  | 
 open  | 
 open  | |
| » | 
 IRQ14  | 
 open  | 
 open  | 
 closed  | 
 open  | 
| 
 IRQ15  | 
 open  | 
 open  | 
 open  | 
 closed  | |
| 
 MISCELLANEOUS TECHNICAL NOTES  | 
| 
 This card's cache feature supports 256KB, 1MB, or 4MB SIMM's; making the maximum cache capacity 16MB. The same size SIMM must be installed in each socket of a bank and Bank 0 must be filled for proper operation of the controller.  |