ADAPTEC, INC.
ACB-2072
| 
 
  | |
| 
 Data bus:  | 
 8-bit, ISA  | 
| 
 Size:  | 
 Half-length, full-height card  | 
| 
 Hard drives supported:  | 
 Two RLL ST506 drives  | 
| 
 Floppy drives supported:  | 
 None  | 
| 
 CONNECTIONS  | |
| 
 Function  | 
 Location  | 
| 
 34-pin control cable connector-hard drive  | 
 J1  | 
| 
 20-pin data cable connector-drive 0  | 
 J2  | 
| 
 20-pin data cable connector-drive 1  | 
 J3  | 
| 
 4-pin connector-DC power  | 
 J4  | 
| 
 USER CONFIGURABLE SETTINGS  | |||
| 
 Function  | 
 Location  | 
 Setting  | |
| » | 
 BIOS enabled  | 
 BD  | 
 open  | 
| 
 BIOS disabled  | 
 BD  | 
 closed  | |
| » | 
 I/O port address is 320h  | 
 324  | 
 open  | 
| 
 I/O port address is 324h  | 
 324  | 
 closed  | |
| » | 
 Drive 0 is defined with Jumpers MN & OP  | 
 AB  | 
 open  | 
| 
 Drive 0 is a Syquest drive  | 
 AB  | 
 closed  | |
| » | 
 Drive 1 is defined with Jumpers QR & ST  | 
 CD  | 
 open  | 
| 
 Drive 1 is a Syquest drive  | 
 CD  | 
 closed  | |
| » | 
 Factory configured - do not alter  | 
 EF  | 
 open  | 
| » | 
 Factory configured - do not alter  | 
 GH  | 
 open  | 
| » | 
 Factory configured - do not alter  | 
 IJ  | 
 open  | 
| » | 
 Normal Operation  | 
 KL  | 
 open  | 
| 
 Self-diagnostics enabled  | 
 KL  | 
 closed  | |
| 
 BIOS ADDRESS  | |||
| 
 Select  | 
 Jumper WX  | 
 Jumper UV  | |
| » | 
 C800h  | 
 open  | 
 open  | 
| 
 CA00h  | 
 open  | 
 closed  | |
| 
 F800h  | 
 closed  | 
 open  | |
| 
 CC00h  | 
 closed  | 
 closed  | |
| 
 BIOS DRIVE TYPE TABLE  | |||||
| 
 
 Table #  | 
 
 Hds  | 
 
 Cyls  | 
 
 RLL Cap.  | 
 Jumper MN Drive 0 Jumper QR- Drive 1  | 
 Jumper OP- Drive 0 Jumper ST- Drive 1  | 
| 0 | 4 | 
 612  | 32.74MB | 
 closed  | 
 closed  | 
| 1 | 2 | 
 612  | 16.29MB | 
 closed  | 
 open  | 
| 2 | 5 | 
 981  | 65.29MB | 
 open  | 
 closed  | 
| 3 | 4 | 
 615  | 32.58MB | 
 open  | 
 open  |