Appendix A Expansion Bus
Page: A-2
ISA-562LF USER
′
S MANUAL
ISA BUS PIN ASSIGNMENT
There are two edge connector (called
“
gold fingers
“
) on this CPU Card, on the
right hand is the connector of ISA Bus, followed up by PCI BUS connector. The
ISA-bus connector is divided into two sets : one consists of 62 pins; the other
consists of 36 pins. The pin assignment is as follows:
B A D C
PIN ASSIGNMENT PIN ASSIGNMENT PIN ASSIGNMENT PIN ASSIGNMENT
B1
GND
A1
-I/O CH CHK
D1
-MEMCS16
C1
SBHE
B2 RESET
A2 SD07
D2 -I/OCS16
C2 LA23
B3 +5V
A3 SD06
D3 IRQ10
C3 LA22
B4 IRQ9
A4 SD05
D4 IRQ11
C4 LA21
B5 -5V
A5 SD04
D5 IRQ12
C5 LA20
B6 DRQ2
A6 SD03
D6 IRQ15
C6 LA19
B7 -12V
A7 SD02
D7 IRQ14
C7 LA18
B8 OWS
A8 SD01
D8 -DACK0
C8 LA17
B9
+12V A9
SD00 D9
DRQ0 C9
-MEMR
B10 GND
A10
-I/O CH RDY
D10 -DACK5
C10
-MEMW
B11 -SMEMW
A11
AEN
D11 DRQ5
C11
SD08
B12 -SMEMR
A12
SA19
D12 -DACK6
C12
SD09
B13 -IOW
A13
SA18
D13 DRQ6
C13
SD10
B14 -IOR
A14
SA17
D14 -DACK7
C14
SD11
B15 -DACK3
A15
SA16
D15 DRQ7
C15
SD12
B16 -DRQ3
A16
SA15
D16 +5V
C16
SD13
B17 -DACK1
A17
SA14
D17 -MASTER
C17
SD14
B18 -DRQ1
A18
SA13
D18 GND
C18
SD15
B19 -REFRESH
A19
SA12
B20 BCLK
A20
SA11
B21 IRQ7
A21
SA10
B22 IRQ6
A22
SA09
B23 IRQ5
A23
SA08
B24 IRQ4
A24
SA07
B25 IRQ3
A25
SA06
B26 -DACK2
A26
SA05
B27 T/C
A27
SA04
B28 BALE
A28
SA03
B29 +5V
A29
SA02
B30 OSC
A30
SA01
B31 GND
A31
SA00