Acer Aspire SA80 Aspire SA80 and Power S280 Service Guide - Page 31

Jumper Setting This section explains how to set jumpers for correct configuration of the mainboard. Setting Jumper Use the motherboard jumpers to set system configuration options. Jumpers with more than one pin are numbered. When setting the jumpers, ensure that the jumper caps are placed on the correct pins. Description The illustrations show a 2-pin jumper. When the jumper cap is placed on both pins, the jumper is SHORT. If you remove the jumper cap, or place the jumper cap on just one pin, the jumper is OPEN. This illustration shows a 3-pin jumper. Pins 1 and 2 are SHORT Illustration SHORT OPEN Chapter 1 23