ATHD
A SCSI host adaptor card for the Atari ST. Has optional real-time clock functionality. No support for parity.
DMA connector pinout:
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
Pin 1 is marked on the board. Each pin connects directly to the corresponding pin on the DB-19 connector. Pin 20 is connected to shield ground.
Tested drives:
Working: Quantum ProDrive LPS 52S, Quantum Lightning 540S, Micropolis 2108
Non-working:
Seagate ST31230N, Conner CFP1060S
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