S y s t e m m o t h e r b o a r d
Changing the Jumper settings
MS660 OWNER'S HANDBOOK
Do not alter any jumper settings under normal operation. You may
cause permanent damage to the motherboard or its components.
All jumpers are factory set and should not normally be changed.
'1-2' = jumpers should be fitted across pins 1 and 2.
'2-3' = jumpers should be fitted across pins 2 and 3, etc.
'Open' or 'O' = no jumpers should be fitted.
'Closed' or 'X' = jumpers should be fitted
On the motherboard, pin 1 of each block is indicated by a small
PL3, PL4, PL6,