ADAPTEC, INC.
ACB-2372
| 
 Data bus:  | 
 16-bit, ISA  | 
| 
 Size:  | 
 Full-length, full-height card  | 
| 
 Hard drives supported:  | 
 Two ST506/412, RLL drives  | 
| 
 Floppy drives supported:  | 
 Two 360KB, 720KB, 1.2MB, 1.44MB drives  | 

| 
 CONNECTIONS  | |
| 
 Function  | 
 Location  | 
| 
 34-pin control cable connector-floppy drive  | 
 CN1  | 
| 
 20-pin data cable connector-drive 0  | 
 CN2  | 
| 
 20-pin data cable connector-drive 1  | 
 CN3  | 
| 
 34-pin control cable connector-hard drive  | 
 CN4  | 
| 
 4-pin connector-drive active LED  | 
 CN5  | 
| 
 Serial Monitor Output  | 
 CN15  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Location  | 
 Setting  | |
| 
 »  | 
 Factory configured - do not alter  | 
 JP6 through JP11  | 
 open  | 
| 
 »  | 
 BIOS address is C800h  | 
 JP12  | 
 pins 1 & 2 closed  | 
| 
 
  | 
 BIOS address is CC00h  | 
 JP12  | 
 pins 2 & 3 closed  | 
| 
 
  | 
 BIOS disabled  | 
 JP12  | 
 open  | 
| 
 »  | 
 Factory configured - do not alter  | 
 JP13  | 
 open  | 
| 
 »  | 
 Hard drive port address is 1F0-1F7h  | 
 JP14/jumper 1  | 
 open  | 
| 
 
  | 
 Hard drive port address is 170-177h  | 
 JP14/jumper 1  | 
 closed  | 
| 
 »  | 
 Floppy drive port address is 3F0-3F7h  | 
 JP14/jumper 2  | 
 open  | 
| 
 
  | 
 Floppy drive port address is 370-377h  | 
 JP14/jumper 2  | 
 closed  | 
| 
 »  | 
 One Wait State enabled  | 
 JP14/jumper 3  | 
 open  | 
| 
 
  | 
 Zero Wait State enabled  | 
 JP14/jumper 3  | 
 closed  | 
| 
 »  | 
 Drive Recal (Track 0 minus 1) enabled  | 
 JP14/jumper 4  | 
 open  | 
| 
 
  | 
 Drive Recal (Track 0 minus 1) disabled  | 
 JP14/jumper 4  | 
 closed  | 
| 
 »  | 
 Not Used  | 
 JP14/jumper 5  | 
 open  | 
| 
 »  | 
 Serial Monitor Mode disabled  | 
 JP14/jumper 6  | 
 open  | 
| 
 
  | 
 Serial Momitor Mode enabled (2400 Baud)  | 
 JP14/jumper 6  | 
 closed  | 
| 
 »  | 
 Hard drive Interrupt is IRQ14  | 
 JP19  | 
 pins 1 & 2 closed  | 
| 
 
  | 
 Hard drive Interrupt is IRQ15  | 
 JP19  | 
 pins 2 & 3 closed  | 
| 
 »  | 
 Not Used  | 
 JP19  | 
 pins 3 & 4 closed  | 
| 
 »  | 
 Floppy drive DMA Acknowledge Is DACK2  | 
 JP20  | 
 pins 1 & 2 closed  | 
| 
 
  | 
 Floppy drive DMA Acknowledge is DACK3  | 
 JP20  | 
 pins 2 & 3 closed  | 
| 
 »  | 
 Floopy drive Interrupt is IRQ6  | 
 JP21  | 
 pins 1 & 2 closed  | 
| 
 
  | 
 Floopy drive Interrupt is IRQ10  | 
 JP21  | 
 pins 2 & 3 closed  | 
| 
 »  | 
 Floppy drive DMA Request is DREQ2  | 
 JP22  | 
 pins 1 & 2 closed  | 
| 
 
  | 
 Floppy drive DMA Request is DREQ3  | 
 JP22  | 
 pins 2 & 3 closed  | 
| 
 »  | 
 Factory configured - do not alter  | 
 JP23  | 
 N/A  |