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ISA Connector
Pin
Signal
A1
IOCHK_L
A2
SD7
A3
SD6
A4
SD5
A5
SD4
A6
SD3
A7
SD2
A8
SD1
A9
SD0
A10
IOCHRDY
A11
AEN
A12
SA19
A13
SA18
A14
SA17
A15
SA16
A16
SA15
A17
SA14
A18
SA13
A19
SA12
A20
SA11
A21
SA10
A22
SA9
A23
SA8
A24
SA7
A25
SA6
C-10 Connectors
ISA Connector Pinout
Pin
Signal
Pin
B1
GND
A26
B2
RESET
A27
B3
+5V
A28
B4
IRQ9
A29
B5
-5V
A30
B6
DRQ2
A31
B7
-12V
Connector key
B8
SRDY_L
A32
B9
+12V
A33
B10
GND
A34
B11
SMEMW_L
A35
B12
SMEMR_L
A36
B13
IOW_L
A37
B14
IOR_L
A38
B15
DACK3_L
A39
B16
DRQ3
A40
B17
DACK1_L
A41
B18
DRQ1
A42
B19
REFRESH_L
A43
B20
BCLK
A44
B21
IRQ7
A45
B22
IRQ6
A46
B23
IRQ5
A47
B24
IRQ4
A48
B25
IRQ3
A49
Signal
Pin
Signal
SA5
B26
DACK2_L
SA4
B27
TC
SA3
B28
BALE
SA2
B29
+5V
SA1
B30
OSC
SA0
B31
GND
Connector key
SBHE_L
B32
MEMCS16_L
LA23
B33
IOCS16_L
LA22
B34
IRQ10
LA21
B35
IRQ11
LA20
B36
IRQ12
LA19
B37
IRQ15
LA18
B38
IRQ14
LA17
B39
DACK0_L
MEMR_L
B40
DRQ0
MEMW_L
B41
DACK5_L
SD8
B42
DRQ5
SD9
B43
DACK6_L
SD10
B44
DRQ6
SD11
B45
DACK7_L
SD12
B46
DRQ7
SD13
B47
+5V
SD14
B48
MASTER16_L
SD15
B49
GND
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Troubleshooting
