and turn the software-driven SASI port into a SCSI
port.
The software-driven SASI port of what?
The SASI port is internal -
there are two PCBs in the drive
enclosure, a "DOS board" (C='s term) with one processor to talk GPIB
to the outside world, and another processor to talk SASI to the other
board, a Xebec? SASI<->ST-506 board. The drive mech is either a
Tandon TM602S or a TM603S.
This...does not agree with the reality I find upon opening up the first
HP-IB disk that came to hand (a 7958). The HP-IB connector is soldered
to a board which speaks to the disk drive - a Micropolis 1355, not a
TManything - over two ribbon cables. Except for stuff internal to the
1355, the only other PCB in the box is the power supply.
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