B686
J4- Power Supply Connector
Pin
1,2,11
3,5,7,13,15,16,17
4,6,19,20
8
9
10
12
14
18
U2- PS/2 Mouse Connector
Pin
1
2,6
3
4
5
Description
+ 3.3 V
Ground
+ 5 V
POWER GOOD
5VSB
+12 V
-12 V
PS-ON
- 5 V
Description
Mouse Data
N.C.
Ground
+5V
Mouse Clock
7
