Hardware Configuration Setting
ROBO-638 User’s Manual
2-12
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J21 : External USB Interface Connector
PIN No. Signal Description
PIN No.
Signal Description
1 +5V
2 N/C
3 SBD0-
(USBP0-)
4 Ground
5
SBD0+ (USBP0+)
6
SBD1+ (USBP1+)
7 Ground
8 SBD1-
(USBP1-)
9 N/C
10 +5V
■
J22 : PS/2 Keyboard Connector (6-pin Mini-DIN)
PIN No.
Signal Description
1
Keyboard Data
2
N/C
3
GND
4
+5V
5
Keyboard Clock
6
N/C
■
J23 : CPU Fan Power Connector
PIN No.
Signal Description
1
Ground
2
+12V
3
FAN_status (pull-up 5V)
■
J24 : Chassis Fan Power Connector
PIN No.
Signal Description
1
Ground
2
+12V
3
FAN_status (pull-up 5V)