Technical data

78
Combo Drive (MESAM86)
The following figure shows the cable connectors on the combo drive MESAM86.
Converter
Connector
Floppy
Connector
J2
J5 J4
J6 J3
Power
Connector
ISA Bus
Connectors
The power connector uses power supply cable P9 from the power supply. Refer to Chapter 10,
“Power Supply and Fans,” for the cable pinout.
The ISA bus connector J3 uses MCBL084A and connects to J33 on the MSMT353 system board.
Refer to the table “J33, MCBL084A, PCMCIA ISA Bus” in Chapter 5 for the cable pinout.
The ISA bus connector J6 uses MCBL084A and connects to J32 on the MSMT353 system board.
Refer to the table “J32, MCBL084A, PCMCIA ISA Bus” in Chapter 5 for the cable pinout.
The floppy connector uses cable MCBLZ380 and connects to J30 on the system board. Refer to
Chapter 5 or 6 for the cable pinout. The floppy connector also uses cable MCBLZ230 to connect
to the converter connector J4 on the combo drive.
The following table shows the pinout of MCBLZ230.
Pin
Signal Pin Signal Pin Signal
1 VCC 10 MTR1- 19 Ground
2 INDEX- 11 No connect 20 TRK0-
3 VCC 12 DIR 21 Ground
4 DRV1- 13 No connect 22 WRPRT-
5 VCC 14 STEP- 23 Ground
6 DSKCHG 15 Ground 24 RDATA-
7 No connect 16 WDATA- 25 Ground
8 No connect 17 Ground 26 HDSEL
9 RPM 18 WGATE-