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NEX 6620A User's Guide
CN1 : Dual High PC99 Complied PS/2 Connector
Pin No.
K1
K2
K3
K4
K5
K6
K7
K8
CN2 : ATX Power Connector
Pin No.
1
2
3
4
5
6
7
8
9
10
CN3 : Dual High PC99 Complied USB Connector for USB1, USB2
Pin No.
1
3
5
7
Switches and Connectors
Description
Keyboard Data
NC
Chassis Ground
+5V Standby
Keyboard Clock
NC
Chassis Ground
Chassis Ground
Description
+3.3V
+3.3V
Ground
+5V
Ground
+5V
Ground
PWR_OK
5V_Standby
+12V
Description
+5V Standby
USB1 Minus
+5V Standby
USB2 Minus
Pin No.
M1
M2
M3
Chassis Ground
M4
M5
M6
M7
Chassis Ground
M8
Chassis Ground
Pin No.
11
12
13
14
15
16
17
18
19
20
Pin No.
2
4
Chassis Ground
6
8
Chassis Ground
Rev. B0
0301
Description
Mouse Data
NC
+5V Standby
Mouse Clock
NC
Description
+3.3V
-12V
Ground
PS_ON
Ground
Ground
Ground
-5V
+5V
+5V
Description
USB1 Plus
USB2 Plus
2-3
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