Tyan S1668 User Manual

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S1668-ATX-001 http://www.tyan.com

3.7  Hardware Reset Switch Connector Installation
The RESET switch on your cases' display panel  provides users with the
HARDWARE RESET function which is  the same as power on/off.  The
system will do a cold start after the RESET switch is pushed by the user.
The RESET switch is a 2 pin connector and should be installed on jumper
J45.

The S1668 uses flash memory to store BIOS data.  It can be updated as
new versions of the BIOS becomes available.  The flash utility will guide
you through the process step by step. If your system is functioning properly,
you may want to forego updating your BIOS in the event the new one
causes problems with your existing hardware and software.

 J32 determines which type of EPROM is used.  This jumper has been set to
match the on board BIOS chip. The factory default for the S1668 is on pins
1-2.

 (The following steps are valid provided the board has a DS12887A RTC)

If you have been locked out of your system because you forgot your pass-
word or set the CMOS incorrectly, follow the instructions below.

a. Power off the system

b. Short jumper J41.

c. Wait for 5 seconds then remove the jumper from J41.

d.Then power on the system again.

By doing the above procedures, your password will be erased and the CMOS
will be reset to the BIOS defaults.

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