http://www.tyan.com
18
Chapter 2
Board Installation
Hardware Reset Switch Connector Installation
The Reset switch on your cases display panel provides you with the Hard-
ware Reset function, which is the same as power on/off. The system will do a
cold start after the Reset button is pushed.
CMOS RTC
The Real Time Clock (RTC) circuit, which provides the date and time for the
system is integrated into the i840 AGPset. If the external battery for the RTC is
low, you will most likely lose your BIOS settings. Normally the life span of an
external battery is 2 years. If yours is running low, you will need to replace it
with a new 3V lithium battery (CR2032).
Flash EEPROM
The Thunder 2400 uses flash memory to store BIOS firmware. It can be
updated as new versions of the BIOS become available. You can upgrade your
BIOS easily using the flash utility (see page 82).
2. Mounting the Motherboard in the Chassis
Follow the instructions provided by the case manufacturer for proper installa-
tion guidelines. TYAN recommends that you make use of all mounting holes to
screw down the motherboard. The adapter cards and the screws holding them
down will keep your board flat. The fastening screw should not short any of
the traces on the motherboard. Make certain that you do not overtighten the
screw, as it will damage the motherboard and possibly break internal traces in
the surrounding area. The hole you should use is located at the top-center of
the board where the adapter cards are fastened to the case.
