PT-5IH
SYSTEM BOARD
HARDWARE SETUP
4.2.3 CONNECTORS
A connector is two or more pins that are used make connections to the system standard accessories (such as
power, mouse, printer,...etc.) The following is a list of connectors on board, as well as descriptions of each
individual connector.
(A) BAT1 Non-Rechargeable battery (Using 3 Vlots Lithium battery : CR2032)
Pin #
Assignment
Battery Positive
Ground
(B) CN1
Power connector
Pin #
Assignment
Pin #
Assignment
Pin #
Assignment
1
Power Good
5
Ground
9
-5V DC
2
+5V DC
6
Ground
10
+5V DC
3
+12V DC
7
Ground
11
+5V DC
4
-12V DC
8
Ground
12
+5V DC
(C) CN2
PS/2 Keyboard connector (option)
Pin #
Assignment
Pin #
Assignment
Pin #
Assignment
1
Keyboard Data
3
Ground
5
Keyboard Clock
2
No Connection
4
+5V DC
6
No Connection
(D) CN3
AT Keyboard connector
Pin #
Assignment
Pin #
Assignment
Pin #
Assignment
1
Keyboard Clock
3
No Connection
5
+5V DC
2
Keyboard Data
4
Ground
(E) CN4
Parallel Port connector
(Supports SPP/EPP/ECP mode, selected by BIOS setup,using IRQ7 or IRQ5,
ECP using DMA channel 3 or 1)
1 14
Pin # Assignment
Pin # Assignment
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. (No Connection)
13 26
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