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3. Hardware Installations
SPI-8451-LLVA, SPI-8452-LLVA, SPI-8451-LVA
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Keyboard / Mouse Connector: CN22
The CPU board provides a standard PS/2 keyboard/mouse connector for attaching a PS/2 keyboard/mouse.
You will connect with an add-on cable for a PS/2 keyboard/mouse. You can select that plug a PS/2
mouse directly, PS/2 keyboard directly or both (use Y-cable) by jumper setting.
The PS2 Connector pin definition is shown below:
Table 3.21. Keyboard / Mouse Connector (CN22)
Pin No.
1
2
3
4
5
6
Function
KB or MS Data
MS or KB DATA
GND
+5VSB
KB or MS Clock
MS or KB Clock
3
6
4
2
1
5
CN22
Table 3.22. K/B & M/S Select Jumpers: JKB1, JKB2, JKB3, JKB4
JKB1
Select the function
JKB2
JKB3
JKB4
Plug Keyboard
Plug PS/2 Mouse
Plug Keyboard
& Mouse *
(Y-cable to connection)
* Default factory setting
123
123
123
123
123 123 123 123
123
123
123
123
EXT. Keyboard Connector: CN23
This is a 5-pin connector for external keyboard.
Table 3.23. External Keyboard Connector
Pin No.
5
4
3
2
1
Function
VCC
GND
N.C.
KB Data
KBClock
CN23
Housing: XHP-5(JST)
Contact : SXH-001T-P06(JST)
5
4
3
2
1