Expansion Bus - AXIOMTEK SBC81870 Series User Manual

Intel pentium m w/ ddr/vga/dual lan
Table of Contents

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B
PIN
ASSIGNMENT
PIN
B1
GND
A1
B2
RESET
A2
B3
+5V
A3
B4
IRQ9
A4
B5
NC
A5
B6
NC
A6
B7
-12V
A7
B8
OWS
A8
B9
+12V
A9
B10
GND
A10
B11
-SMEMW
A11
B12
-SMEMR
A12
B13
-IOW
A13
B14
-IOR
A14
B15
-DACK3
A15
B16
-DRQ3
A16
B17
-DACK1
A17
B18
-DRQ1
A18
B19
-REFRESH
A19
B20
BCLK
A20
B21
IRQ7
A21
B22
NC
A22
B23
IRQ5
A23
B24
IRQ4
A24
B25
IRQ3
A25
B26
NC
A26
B27
T/C
A27
B28
BALE
A28
B29
+5V
A29
B30
OSC
A30
B31
GND
A31

Expansion Bus

®
SBC81870 Intel
Pentium
A
D
ASSIGNMENT
PIN
ASSIGNMENT
-I/O CH CHK
D1
-MEMCS16
SD07
D2
-I/OCS16
SD06
D3
IRQ10
SD05
D4
IRQ11
SD04
D5
IRQ12
SD03
D6
IRQ15
SD02
D7
IRQ14
SD01
D8
-DACK0
SD00
D9
DRQ0
-I/O CH RDY
D10
-DACK5
AEN
D11
DRQ5
SA19
D12
-DACK6
SA18
D13
DRQ6
SA17
D14
-DACK7
SA16
D15
DRQ7
SA15
D16
+5V
SA14
D17
-MASTER
SA13
D18
GND
SA12
SA11
SA10
SA09
SA08
SA07
SA06
SA05
SA04
SA03
SA02
SA01
SA00
®
M w/ DDR/VGA/Dual LAN
C
PIN
ASSIGNMENT
C1
SBHE
C2
LA23
C3
LA22
C4
LA21
C5
LA20
C6
LA19
C7
LA18
C8
LA17
C9
-MEMR
C10
-MEMW
C11
SD08
C12
SD09
C13
SD10
C14
SD11
C15
SD12
C16
SD13
C17
SD14
C18
SD15
87

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