Epson EL 486UC 用户手册

If you need to change any jumper settings, follow these steps:

1. Refer to the illustration on page 3-6 to locate the jumpers.

2. If there are any option cards installed in your computer, you

need to remove them to access the jumpers. See page 3-17.

3. A jumper’s setting is determined by where the jumper is

placed on the pins. Use the following table to identify the

pin settings for 2-pin, 3-pin, and 4-pin jumpers. To identify

pin 1, look at the system board under the jumper. You will

see a triangle traced on the board at pin 1.