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Control Port Functions
IC Ref. No Pin/Name
I/O
16
17
18
19
IC1822
2
3
4
5
6
7
8
9
IC1823
2
3
4
5
6
7
8
9
Signal Name
O
CTS
O
Not used
O
KEY_WE
O
DSINV_SW
I
KI1
I
KI2
I
KI3
I
KI4
I
M2/SEL0
I
M2/SEL1
I
LAMP_ERR
I
USB_VBUS
I
S_SW
I
CB_SW
I
CR_SW
I
CLK/SDATA
I
LAGO_SO
I
OPTION1
I
OPTION2
I
OPTION3
Function
Not used
Not used
Not used
Not used
Main Key Switch
Main Key Switch
Main Key Switch
Main Key Switch
Mouse Selection 0
Mouse Selection 1
Lamp Error Monitor
Not used
S-Video
Component
Component
Not used
Not used
OEM Option
OEM Option
OEM Option
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Note
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