Service Procedures Digital DECpc LPx/LPx+
40 MCS Logistics Engineering - Nijmegen
Main Logic Board Jumpers
Jumper pins allow to set specific computer parameters. They are set by changing the pin location of jumper
blocks. Note that the square pin of each jumper block is pin 1. A jumper block is a small plastic-encased
conductor (shorting plug) that slips over the pins. To change a jumper setting, remove the jumper from its
current location. Place the jumper over the two pins designated for the desired setting. Press the jumper
evenly onto the pins. Be careful not to bend the pins.
CAUTION
Do not touch any electronic component unless you are safely grounded. Wear a
grounded wrist strap or touch an exposed metal part of the system box chassis. A static
discharge from your fingers can result in permanent damage to electronic components.
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