Chapter 5
87
Jumper Setting
This section explains how to set the jumper for correct configuration of the main board.
Jumpers with more than one pin are numbered. When setting a jumper, ensure that the jumper caps are
placed on the correct pins.
The following illustration shows the location of SW1.
The following table shows the settings of the 3-pin SW1 jumper. Place the jumper cap on pins 1 and 2 to close
or short the jumper. Place the jumper cap on pins 2 and 3 to open or clear CMOS.
Jumper
Type
Description
Setting (default)
SW1
3-pin
Clear CMOS
1-2: Close (default)
2-3: Open
Before clearing the CMOS, make
sure to turn off the system.
Summary of Contents for Aspire M3985
Page 1: ...Acer Aspire M3985 Service Guide PRINTED IN TAIWAN ...
Page 13: ...Chapter 1 5 Block Diagram ...
Page 46: ...38 Chapter 3 4 Pull the Pull the optical drive out of the chassis ...
Page 50: ...42 Chapter 3 7 Lift the power supply module out of the chassis ...
Page 53: ...Chapter 3 45 3 Lift the board from the chassis 4 Punching in IO Shield then you can remove it ...
Page 69: ...Chapter 3 61 Reinstalling the I O Shielding 1 Install I O shielding into chassis ...
Page 77: ...Chapter 3 69 3 Close the PCI Latch fix the three screws ...
Page 80: ...72 Chapter 3 3 Connect the cooler cable to the main board connector ...
Page 83: ...Chapter 3 75 Reinstalling the Side Panel 1 Install the side Panel then fix two screws ...
Page 91: ...83 Chapter 4 b Select Proceed with flash update and Press Enter ...