Jp4: clear cmos contents, Jp4 setting function, Pin 1-2 short/closed – IBASE MB930 User Manual
Page 16: Normal, Pin 2-3 short/closed, Jp5 setting function, Normal (default) pin 2-3 short/closed, Configure, Open, Jp9 setting function

INSTALLATIONS
JP4: Clear CMOS Contents
Use JP4, a 3-pin header, to clear the CMOS contents. Note that the
ATX-power connector should be disconnected from the motherboard
before clearing CMOS.
JP4
Setting
Function
Pin 1-2
Short/Closed
Normal
Pin 2-3
Short/Closed
Clear CMOS
JP5: Configure and Recovery (Factory use only)
JP5
Setting
Function
Pin 1-2
Short/Closed
Normal (default)
Pin 2-3
Short/Closed
Configure
Open
Recovery
JP8: ME (Management Engine) – Disabled / pin closed
The factory default setting of the 2-pin JP8 jumper is closed. This means
the management engine function is disabled.
JP9: COM4 RS232 +5V/+12V Power Setting
JP9
Setting
Function
Pin 1-2
Short/Closed
+12V
Pin 3-4
Short/Closed
Normal
Pin 5-6
Short/Closed
+5V
12
MB930-R User’s Manual