Hardware Components
Connectors And Sockets
Chapter 5
109
Connectors And Sockets
IDE Drive Connectors
Battery Pinouts
Additional SCSI LED Connector
IDE Connectors Flexible Disk Drive Data Connector
Pin Signal Pin Signal Pin Signal Pin Signal
1 Reset# 2 Ground 1 Ground 2 LDENSEL#
3 HD7 4 HD8 3 Ground 4 Microfloppy
5 HD6 6 HD9 5 Ground 6 EDENSEL
7 HD5 8 HD10 7 Ground 8 INDX#
9 HD4 10 HD11 9 Ground 10 MTEN1#
11 HD3 12 HD12 11 Ground 12 DRSEL0#
13 HD2 14 HD13 13 Ground 14 DRSEL1#
15 HD1 16 HD14 15 Ground 16 DTEN0#
17 HD0 18 HD15 17 Ground 18 DIR#
19 Ground 7 20 orientation key 19 Ground 20 STP#
21 DMARQ 22 Ground 2 21 Ground 22 WRDATA#
23 DIOW# 24 Ground 3 23 Ground 24 WREN#
25 DIOR# 26 Ground 4 25 Ground 26 TRK0#
27 IORDY 28 CSEL 27 Ground 28 WRPRDT#
29 DMACK# 30 Ground 5 29 Ground 30 RDDATA#
31 INTRQ 32 IOCS16# 31 Ground 32 HDSEL1#
33 DA1 34 PDIAG# 33 Ground 34 DSKCHG#
35 DA0 36 DA2
37 CS1FX# 38 CS3FX#
39 DASP# 40 Ground 6
Battery Connections Battery Connections
Pin Signal Pin Signal
1 GROUND 1 VBAT1
2 VBAT1 2 GROUND
3 VBAT2
Additional SCSI LED
Connector (4-pin)
Pin Signal
1 Not used
2 LED out
3 LED out
4 Not used
