Lenovo PC 300PL Technical Information Manual 6275, 6285 - Page 67

of 3. ISA Connector Pin Assignments, Signal

Page 67 highlights

Appendix A. Connector Pin Assignments Figure 30 (Page 2 of 3). ISA Connector Pin Assignments Pin Signal I/O Pin B3 +5 V dc NA A3 B4 IRQ2 I A4 B5 -5 V dc NA A5 B6 DRQ2 I A6 B7 -12 V dc NA A7 B8 OWS# I A8 B9 +12 V dc NA A9 B10 Ground NA A10 B11 SMEMW# O A11 B12 SMEMR# O A12 B13 IOW# I/O A13 B14 IOR# I/O A14 B15 DACK3# O A15 B16 DRQ3 I A16 B17 DACK1# O A17 B18 DRQ1 I A18 B19 REFRESH# I/O A19 B20 CLK O A20 B21 IRQ7 I A21 B22 IRQ6 I A22 B23 IRQ5 I A23 B24 IRQ4 I A24 B25 IRQ3 I A25 B26 DACK2# O A26 B27 TC O A27 B28 BALE O A28 B29 +5 V dc NA A29 B30 OSC O A30 B31 Ground NA A31 D1 MEMCS16# I C1 D2 IOCS16# I C2 D3 IRQ10 I C3 D4 IRQ11 I C4 D5 IRQ12 I C5 D6 IRQ15 I C6 D7 IRQ14 I C7 D8 DACK0# O C8 D9 DRQ0 I C9 D10 DACK5# O C10 D11 DRQ5 I C11 D12 DACK6# O C12 D13 DRQ6 I C13 D14 DACK7# O C14 Signal I/O SD6 I/O SD5 I/O SD4 I/O SD3 I/O SD2 I/O SD1 I/O SD0 I/O IOCHRDY I AEN O SA19 I/O SA18 I/O SA17 I/O SA16 I/O SA15 I/O SA14 I/O SA13 I/O SA12 I/O SA11 I/O SA10 I/O SA9 I/O SA8 I/O SA7 I/O SA6 I/O SA5 I/O SA4 I/O SA3 I/O SA2 I/O SA1 I/O SA0 I/O SBHE# I/O LA23 I/O LA22 I/O LA21 I/O LA20 I/O LA19 I/O LA18 I/O LA17 I/O MEMR# I/O MEMW# I/O SD8 I/O SD9 I/O SD10 I/O SD11 I/O Appendix A. Connector Pin Assignments 55

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Appendix A.
Connector Pin Assignments
Figure 30 (Page 2 of 3). ISA Connector Pin Assignments
Pin
Signal
I/O
Pin
Signal
I/O
B3
+5 V dc
NA
A3
SD6
I/O
B4
IRQ2
I
A4
SD5
I/O
B5
-5 V dc
NA
A5
SD4
I/O
B6
DRQ2
I
A6
SD3
I/O
B7
-12 V dc
NA
A7
SD2
I/O
B8
OWS#
I
A8
SD1
I/O
B9
+12 V dc
NA
A9
SD0
I/O
B10
Ground
NA
A10
IOCHRDY
I
B11
SMEMW#
O
A11
AEN
O
B12
SMEMR#
O
A12
SA19
I/O
B13
IOW#
I/O
A13
SA18
I/O
B14
IOR#
I/O
A14
SA17
I/O
B15
DACK3#
O
A15
SA16
I/O
B16
DRQ3
I
A16
SA15
I/O
B17
DACK1#
O
A17
SA14
I/O
B18
DRQ1
I
A18
SA13
I/O
B19
REFRESH#
I/O
A19
SA12
I/O
B20
CLK
O
A20
SA11
I/O
B21
IRQ7
I
A21
SA10
I/O
B22
IRQ6
I
A22
SA9
I/O
B23
IRQ5
I
A23
SA8
I/O
B24
IRQ4
I
A24
SA7
I/O
B25
IRQ3
I
A25
SA6
I/O
B26
DACK2#
O
A26
SA5
I/O
B27
TC
O
A27
SA4
I/O
B28
BALE
O
A28
SA3
I/O
B29
+5 V dc
NA
A29
SA2
I/O
B30
OSC
O
A30
SA1
I/O
B31
Ground
NA
A31
SA0
I/O
D1
MEMCS16#
I
C1
SBHE#
I/O
D2
IOCS16#
I
C2
LA23
I/O
D3
IRQ10
I
C3
LA22
I/O
D4
IRQ11
I
C4
LA21
I/O
D5
IRQ12
I
C5
LA20
I/O
D6
IRQ15
I
C6
LA19
I/O
D7
IRQ14
I
C7
LA18
I/O
D8
DACK0#
O
C8
LA17
I/O
D9
DRQ0
I
C9
MEMR#
I/O
D10
DACK5#
O
C10
MEMW#
I/O
D11
DRQ5
I
C11
SD8
I/O
D12
DACK6#
O
C12
SD9
I/O
D13
DRQ6
I
C13
SD10
I/O
D14
DACK7#
O
C14
SD11
I/O
Appendix A.
Connector Pin Assignments
55