Intel SC450NX Product Guide - Page 144
Keyboard, Parallel Port
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Keyboard and Mouse 6 5 4 3 21 OM04418 The PS/2-compatible connectors share a common housing; they are functionally equivalent. Table 39. Keyboard and Mouse Connector Pinouts Pin Keyboard signal Pin 1 KEYDAT 1 2 NC 2 3 GND 3 4 FUSED_VCC (+5 V) 4 5 KEYCLK 5 6 NC 6 Mouse signal MSEDAT NC GND FUSED_VCC (+5 V) MSECLK NC Parallel Port 13 1 25 14 OM04416 Table 40. Parallel Port Connector Pinout Pin Signal 1 STROBE_L 2 Data bit 0 3 Data bit 1 4 Data bit 2 5 Data bit 3 6 Data bit 4 7 Data bit 5 8 Data bit 6 9 Data bit 7 Pin 10 11 12 13 14 15 16 17 18−25 Signal ACK_L Busy PE SLCT AUFDXT_L ERROR_L INIT_L SLCTIN_L GND 144
144
Keyboard and Mouse
OM04418
1
2
6
4
3
5
The PS/2-compatible connectors share a common housing; they are functionally equivalent.
Table 39.
Keyboard and Mouse Connector Pinouts
Pin
Keyboard signal
Pin
Mouse signal
1
KEYDAT
1
MSEDAT
2
NC
2
NC
3
GND
3
GND
4
FUSED_VCC (+5 V)
4
FUSED_VCC (+5 V)
5
KEYCLK
5
MSECLK
6
NC
6
NC
Parallel Port
13
OM04416
1
25
14
Table 40.
Parallel Port Connector Pinout
Pin
Signal
Pin
Signal
1
STROBE_L
10
ACK_L
2
Data bit 0
11
Busy
3
Data bit 1
12
PE
4
Data bit 2
13
SLCT
5
Data bit 3
14
AUFDXT_L
6
Data bit 4
15
ERROR_L
7
Data bit 5
16
INIT_L
8
Data bit 6
17
SLCTIN_L
9
Data bit 7
18
-
25
GND