PT-5IT
SYSTEM BOARD
HARDWARE SETUP
4
1.
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 Mouse converted connector
Pin # Assignment
Pin # Assignment
Pin # Assignment
1
Mouse Data
3
Ground
5
Mouse Clock
2
No Connection 4
+5V DC
(D) CN3
IDE 2 connector (Secondary IDE Port, using MIRQ0)
(E) CN4
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
(F) CN5
AT Keyboard connector
Pin # Assignment
Pin # Assignment
Pin # Assignment
1
Keyboard Clock 3
No Connection 5
+5V DC
2
Keyboard Data 4
Ground
(G) CN6
Floppy Disk Control Port connector (Using IRQ6, DMA channel 2)
(H) CN7
IDE 1 connector (Primary IDE Port, using IRQ14)
