Acer Aspire X1920, Service Manual

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Aspire AX1920 Service Guide 71
Jumper Setting
The section explains how to set jumper for correct configuration of the mainboard.
Use the motherboard jumpers to set system configuration options. Jumpers withmore than one pin are
numbered. When setting the jumpers, ensure that the jumpercaps are placed on the correct pins.
The illustrations show a 2-pin jumper.When the jumper cap is placed on bothpins, the jumper is SHORT. If you
re-move the jumper cap, or place the jumpercap on just one pin, the jumper is OPEN.
This illustration shows a 3-pin jumper. Pins 1 and 2 are SHORT.
15 AUDIO1
Rear audio jacks (microphone, line-out, and line-in jacks)
16 SYS_FAN1 System fan cable connector
17 ATX12V1 4-pin ATX power connector
18 USBLAN1 USB 2.0 and Ethernet ports
19 VGA1 Monitor port
20 PSKBM2 PS/2 keyboard and mouse ports
Item Code Component