On Thu, Sep 23, 2021 at 6:41 PM Jonathan Stone via cctalk <cctalk@classiccmp.org> wrote: > I've read that there is circuitry in the expansion base (BA40A?) has > circuitry . Does anyone know what the circuitry does? Is it required for > SCSI operation? (I hope not, or I'll have to kludge one up to make use of > pk2k SCSI boot-roms!)
IIRC the DHT32 has a small board in the skirt and the external RD interface may have a board as well. SCSI (for a TK50Z-FA, originally) is just a cable. The 50-pin connector on the mainboard is correctly wired for SCSI. It may well have TERMPWR active and not current-limited though, if it matters to your target. -ethan
