S y s t e m m o t h e r b o a r d
Jumpers and connections
Do not alter any jumper settings under normal operation. You may
cause permanent damage to the motherboard or its components.
All jumpers are set at the factory and should not 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
LS/VS660 OWNER'S HANDBOOK
PL3, PL4, PL6,