Appendix c. default system values, Accessing the motherboard – Comtrol DM ATS-XPe User Manual

Page 77

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Appendix C. Default System Values

77

Appendix C. Default System Values

The following section provides information for changing default configuration of
the DeviceMaster ATS motherboard. In most cases, it will not be necessary to
reconfigure the motherboard.

Note: The information in this document is for reference only. The DeviceMaster

ATS is pre-configured before shipment.

You may want to access the motherboard to perform the following tasks:

Change the watch-dog timer settings.

Clear CMOS setup. For example, to clear the BIOS password.

Apply +5V or +12V to AUX A serial port.

Before you can perform any of the above tasks, you should use the following
Accessing the Motherboard section.

This subsection contains the following information:

System I/O address map

First MB memory map

Accessing the Motherboard

Use this procedure to access the motherboard on the DeviceMaster ATS. A
detailed illustration of the motherboard is available on the following page.

1.

Follow standard ESD procedures (outlined below) to remove the two screws.

2.

Use the following motherboard illustration (on the next page) to locate the
jumper reference in the specific procedure that you are performing.

Caution

Some components of the motherboard

are very sensitive to static electric

charges and can be damaged by a

sudden rush of power. To protect

the motherboard from damage, use the

following precautions:
* Ground yourself to remove any
static charge before touching the

motherboard. You can do so by

using a grounded wrist strap or
by frequently touching any
conductive material that is

connected to ground.

* Handle the motherboard by its edges.
Do not touch the IC chips, leads, or

circuitry unless it is necessary.

* Do not plug any connector or jumper while the

unit is powered on.

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