2.4Setting Jumpers
You may configure your card to match the needs of your application by setting jump- ers. A jumper is a metal bridge used to close an electric circuit. It consists of two metal pins and a small metal clip (often protected by a plastic cover) that slides over the pins to connect them. To “close” a jumper, you connect the pins with the clip. To “open” a jumper, you remove the clip. Sometimes a jumper will have three pins, labeled 1, 2 and 3. In this case you would connect either pins 1 and 2, or 2 and 3.
open | closed | closed |
The jumper settings are schematically depicted in this manual as follows:.
open | closed | closed |
A pair of
If you have any doubts about the best hardware configuration for your application, contact your local distributor or sales representative before you make any changes.
Generally, you simply need a standard cable to make most connections.
2.5Clear CMOS (J3)
Warning! To avoid damaging the computer, always turn off the power supply before setting “Clear CMOS.” Before turning on the power supply, set the jumper back to “3.0 V Battery On.”
This jumper is used to erase CMOS data and reset system BIOS information. The procedure for clearing CMOS is:
1.Turn off the system.
2.Push J3.
3.Turn on the system. The BIOS is now reset to its default setting.
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