ADAPTEC, INC.
ACB-2071Data bus: | 8-bit, ISA |
Size: | Half-length, full-height card |
Hard drives supported: | One RLL ST506 |
Floppy drives supported: | None |

CONNECTIONS | |
Function | Location |
| 5-pin power connector | J1 |
| 20-pin data cable connector | J2 |
| 32-pin control cable connector | J3 |
USER CONFIGURABLE SETTINGS | |||
Function | Location | Setting | |
| » | I/O port address is 320h | J5/jumper 7 | open |
| I/O port address is 324h | J5/jumper 7 | closed | |
| » | BIOS enabled | J5/jumper 8 | closed |
| BIOS disabled | J5/jumper 8 | open | |
BIOS DRIVE TYPE TABLE FOR DRIVE 0 | ||||||||
Table # | Capacity | Step Rate | Hds. | Cyl. | JP5/1 | JP5/2 | JP5/3 | JP5/4 |
| 0 | 31MB | 70msec | 4 | 615 | closed | closed | closed | closed |
| 1 | 31MB | 13msec | 2 | 1023 | closed | closed | closed | open |
| 2 | 90.3MB | 13msec | 7 | 987 | closed | closed | open | closed |
| 3 | 38MB | 13msec | 3 | 987 | closed | closed | open | open |
| 4 | 65MB | 13msec | 5 | 987 | closed | open | closed | closed |
| 5 | 62MB | 13msec | 5 | 980 | closed | open | closed | open |
| 6 | 105MB | 13msec | 10 | 830 | closed | open | open | closed |
| 7 | 31MB | 13msec | 4 | 615 | closed | open | open | open |
| 8 | 15.6MB | 70msec | 4 | 306 | open | closed | closed | closed |
| 9 | 15.5MB | 13msec | 2 | 612 | open | closed | closed | open |
| 10 | 68MB | 13msec | 8 | 640 | open | closed | open | closed |
| 11 | 15.6MB | 13msec | 4 | 306 | open | closed | open | open |
| 12 | 47MB | 13msec | 6 | 640 | open | open | closed | closed |
| 13 | 31MB | 13msec | 4 | 640 | open | open | closed | open |
| 14 | 31MB | 70msec | 4 | 612 | open | open | open | closed |
| 15 | 31MB | 13msec | 4 | 612 | open | open | open | open |
BIOS ADDRESS | |||
Address | J5/jumper 5 | J5/jumper 6 | |
| » | D800h | open | open |
DA00h | open | closed | |
MISCELLANEOUS TECHNICAL NOTES |
J4 is Not used. |