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.
Working drives: Quantum ProDrive LPS 52S
Non-working drives: Seagate ST31230N