Intergraph TD-x10 System Reference Manual page 91

Note the following items on the combo drive.
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The ISA bus connector J3 uses cable MCBL084A and connects to J32 on the system board.
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The ISA bus connector J6 uses cable MCBL084A and connects to J33 on the system board.
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The converter connector J4 uses cable MCBLZ230 to J2 on the combo drive. The following table
shows the pinout of MCBLZ230.
Pin Signal
1 VCC
2 INDEX-
3 VCC
4 DRV1-
5 VCC
6 DSKCHG
7 No connect
8 No connect
9 RPM
Pin Signal
10 MTR1-
11 No connect
12 DIR
13 No connect
14 STEP-
15 Ground
16 WDATA-
17 Ground
18 WGATE-
Pin Signal
19 Ground
20 TRK0-
21 Ground
22 WRPRT-
23 Ground
24 RDATA-
25 Ground
26 HDSEL
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