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J3: LCD Backlight Connector
Pin # Signal Name
1 +12V
2 Backlight Enable
3 Brightness Control
4 Ground
J4, J5: +12V and +5V Output Power Connectors
J6: Printer Port Connectors
J7: SPI Flash Connector (factory use only)
J8: CD-In Pin Header
Pin # Signal Name
1 CD Audio R
2 Ground
3 Ground
4 CD Audio L
J9: PS/2 Keyboard/Mouse Connector
Signal Name Pin Pin Signal Name
Ground 1 2 Ground
Vcc 3 4 Vcc
MSDATA 5 6 KBDATA
MSCLK 7 8 KBCLK
NC 9 10 NC
IB957 User’s Manual 19