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A-1. ISA BUS PIN ASSIGNMENT
ISA1
D18
C18
A1
B1
ISA2
A31
B31
D1
C1
COMPONENT SIDE
There are two edge connectors (called
“
gold fingers
“
) on this CPU Card. On the right hand is the connector of
ISA Bus, beside 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 assignments are 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
Содержание AR-B1682
Страница 1: ...AR B1682 SOCKET 370 PENTIUM III GRADE CPU CARD WITH VGA LCD LAN SCSI Operation Manual Version 1 3 ...
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Страница 50: ... Page 44 APPENDIX A EXPANSION BUS This chapter includes n ISA BUS Pin Assignment n PICMG BUS Pin Assignment ...
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