Jumpers; Clearing Cmos - Acer AB2x280 F1 Service Manual

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Jumpers

The jumpers present on the mainboard are used by the manufacturer only; there are no jumpers used to
configure the operation of the mainboard.

Clearing CMOS

JPT1 is used to clear CMOS and will also clear any passwords. JPT1 consists of two contact pads (item 11 in
the AB2x280 F1 mainboard).
1.
First power down the blade and remove it from the enclosure.
2.
Remove the blade cover to access the mainboard (see "Removing/Replacing the blade cover" on
page 38 for further details). Short the CMOS pads with a metal object such as a small screwdriver.
3.
Replace the cover, install the blade back into the enclosure and power it on.
30
Chapter 5

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