ATHD

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Front of the card
Back of the card

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, Micropolis 2108

Non-working: Seagate ST31230N, Conner CFP1060S