Appendix A Expansion Bus
ISA-562LF USER
′
S MANUAL
Page: A-3
PC-104 CONNECTOR PIN ASSIGNMENT
104AB, 104CD : PC-104 Connector
The PC-104 can support multi-pieces of PC-104 modules. It has two
connectors : one (104AB) consists of 64 pin; the other one (104CD) consists
of 40 pin, both of them are dual-in-line headers
The pin assignments for connector 104AB & 104CD are as follow:
PIN
ASSIGNMENT
PIN
ASSIGNMENT
PIN
ASSIGNMENT
PIN
ASSIGNMENT
A1 IOCHK
B1 GND
C1 GND
D1 GND
A2 D7
B2 REST
C2 SBHE
D2 MEMCS16
A3 D6
B3 VCC
C3 LA23
D3 IOCS16
A4 D5
B4 IRQ9
C4 LA22
D4 IRQ10
A5 D4
B5 -5V
C5 LA21
D5 IRQ11
A6 D3
B6 DRQ2
C6 LA20
D6 IRQ12
A7 D2
B7 -12V
C7 LA19
D7 IRQ15
A8 D1
B8 OWS
C8 LA18
D8 IRQ14
A9 D0
B9 +12V
C9 LA17
D9 DACK0
A10 IOCHRDY
B10
GND
C10
MEMR
D10
DRQ0
A11 AEN
B11
SMEMW
C11
MEMW
D11
DACK5
A12 A19
B12
SMEMR
C12
D8 D12
DRQ5
A13 A18
B13
IOW
C13
D9
D13
DACK6
A14
A17 B14
IOR C14
D10 D14
DRQ6
A15
A16 B15
DACK3
C15
D11 D15
DACK7
A16
A15 B16
DRQ3
C16
D12 D16
DRQ7
A17
A14 B17
DACK1
C17
D13 D17
VCC
A18
A13 B18
DRQ1
C18
D14 D18
MASTER
A19
A12 B19
REFRESH
C19
D15 D19
GND
A20 A11
B20
CLK
C20
KEY
PIN
D20
GND
A21
A10
B21
IRQ7
A22
A9
B22
IRQ6
A23
A8
B23
IRQ5
A24
A7
B24
IRQ4
A25
A6
B25
IRQ3
A26
A5
B26
DACK2
A27
A4
B27
TC
A28
A3
B28
BALE
A29
A2
B29
VCC
A30
A1
B30
OSC
A31
A0
B31
GND
A32
GND B32
GND