Data bus:
ADAPTEC, INC.
ACB-2070AData bus: | 8-bit, ISA |
Size: | Full-length, full-height card |
Hard drives supported: | Two RLL ST506 drives |
Floppy drives supported: | None |
CONNECTIONS | |
Function | Location |
20-pin data cable connector -drive 0 | J0 |
20-pin data cable connector-drive 1 | J1 |
34-pin control cable connector-floppy drive | J2 |
BIOS DRIVE TYPE TABLE | ||||||
Table # | Hds | Cyls | MFM Cap. | RLL Cap. | MN-Drive 0 QR-Drive 1 | OP-Drive 0 ST Drive 1 |
| 0 | 4 | 615 | 21.41MB | 32.74MB | closed | closed |
| 1 | 2 | 612 | 10.65MB | 16.29MB | closed | open |
| 2 | 5 | 981 | 42.69MB | 65.29MB | open | closed |
| 3 | 4 | 612 | 21.30MB | 32.58MB | open | open |
USER CONFIGURABLE SETTINGS | |||
Function | Location | Setting | |
» | Factory configured - do not alter | AB | open |
» | Factory configured - do not alter | CD | open |
» | Drive 0 is a soft-sectored ST506-type drive | EF | open |
| Drive 0 is a removable cartridge Syquest SQ319R | EF | closed |
» | Drive 1 is a soft-sectored ST506-type drive | GH | open |
| Drive 1 is a removable cartridge Syquest SQ319R | GH | closed |
» | CN3 and CN2 normal setting | IJ | open |
| CN2 and CN3 drive swap | IJ | closed |
» | Normal operation | KL | open |
| Self diagnostics enable | KL | closed |
MISCELLANEOUS TECHNICAL NOTES |
| If Jumper IJ is set to "closed" then the data cable connector assignments are swapped- CN2 becomes drive 1 and CN3 drive 0. Other drives may be attached by use of the user-definable parameters through software. |
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