440EX/LX AT
MAINBOARD
HARDWARE SETUP
3-8
(H) CN9: Parallel Port Connector
CN4
CN 5
BAT 1
CN
1
SYS.
BI
OS
+
-
CN10
CN11
CN6
SL
O
T
1
CN
7
CN
9
CN 2
CN 16
CN
1
5
CN 1
4
CN17
CN18
RS
HL
TL
SL
PW
PL KBLOCK
SPKR
JP 7
JP 8
JP 9
JP 3
JP
4
JP
5
JP
6
JP 11
CN 8
CN
1
9
CN 9 Parallel Port
Pin assignment of parallel port:
1 14
Pin # Signal name
Pin # Signal name
1
STROBE
14
AUTO FEED
2
Data Bit 0
15
ERROR
3
Data Bit 1
16
INIT
4
Data Bit 2
17
SLCT IN
5
Data Bit 3
18
Ground
6
Data Bit 4
19
Ground
7
Data Bit 5
20
Ground
8
Data Bit 6
21
Ground
9
Data Bit 7
22
Ground
10
ACK
23
Ground
11
BUSY
24
Ground
12
PE
25
Ground
13
SLCT
26
N.C.
13 25
