P C L 5 1 0 0 f e a t u r e s a n d u p g r a d e s
18.Reconnect the
CAUTION
If the
19.Adjust the processor voltage and bus speed selection jumpers in block PL19 as described at the start of this chapter.
When you have finished, replace any expansion cards you needed to remove, then refit the system covers.
Replacing the configuration battery
The computer keeps a record of its current hardware configuration in a CMOS memory chip which is sustained by a small battery. This battery has a life of up to 5 years. If you find that you have to reconfigure the computer every time you turn it on, the battery is probably failing and needs to be replaced.
The battery is a 3 volt lithium type (CR2032 or equivalent) typically used in calculators and other small,
PCL5100 USER GUIDE 13