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x68000:hard_disk

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All models of X68000 (even SASI-based models) seem to have standard pinouts for the external hard disk connector:

*Original model, Ace, Expert, Pro: Centronics 50-pin with /ATN and PARITY unconnected.

*Super, XVI: Standard Centronics 50-pin.

*Compact XVI, X68030, X68030 Compact: DH-50.

All X68000 machines have a custom internal hard disk connector. The pinout for the SASI-based machines is as follows:

  1-DB0
  2-DB1
  3-GND
  4-DB2
  5-DB3
  6-DB4
  7-GND
  8-DB5
  9-DB6
10-DB7
11-GND
12-Unknown (possibly for the HD access LED?)
13-/BSY
14-/ACK
15-/RST
16-/MSG
17-/SEL
18-/C/D
19-/REQ
20-/I/O
PinDescriptionPinDescription
1 DB0 11 GND
2 DB1 12 Unknown(Possibly for the HD access LED)
3 GND 13 /BSY
4 DB2 14 /ACK
5 DB3 15 /RST
6 DB4 16 /MSG
7 GND 17 /SEL
8 DB5 18 /C/D
9 DB6 19 REQ
10 DB7 20 /I/O
x68000/hard_disk.1223267074.txt.gz · Last modified: 2019/08/27 20:44 (external edit)