Mounting The Motherboard In The Chassis - TYAN Trinity ATX Motherboard S1598 User Manual

Chapter 2
Board Installation
ACPI Bi-Color LED Connector (J5)
This connector provides a bi-color (green / yellow) LED for your computer
chassis. When the computer system is On, the Green LED will light up. If the
system is on stand-by mode, the Yellow LED will light up. Whenever there is
an incoming message, the LED will flash on and off.
Soft Power Connector
The Soft Power Connector is located on pins 6 and 8 of jumper block J3.
Pressing the Soft Power Button will turn the sytem on and off. Holding this
button for more than four seconds (when the system is on) will power down
the system. Pressing it again will reboot the system.
Speaker Connector Installation
The Trinity ATX provides a 4-pin header to connect the speaker. The speaker
is connected to jumper block J4.
CMOS RTC
The VIA MVP3 AGPset includes a Real Time Clock (RTC) circuit, which
provides the date and time for the system. If the external battery for the RTC is
low, you will 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 (Sony CR2032).
USB
There are two ATX Universal Serial Bus ports on the back of the board. The
board also has an additional USB header (USB2, USB3) on the edge of the
board near the third PCI slot. This header can be used to connect a USB port
on the front of the chassis.
Flash EEPROM
The Trinity ATX uses flash memory to store BIOS programs. It can be easily
updated if necessary using the flash utility (see page 57). Tyan does not
recommend flashing the BIOS unnecessarily. Check the Tyan web site for the
latest BIOS revision.

2. Mounting the Motherboard in the Chassis

Follow the instructions provided by the case manufacturer for proper installa-
tion guidelines. TYAN recommends that you use only one screw to hold down
the motherboard. The rest of the mounting holes should be used for the plastic
standoffs. If your case does not have a hole for a standoff, simply cut off the
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