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Themis Computer
RES-21XR3 for X8SAX Installation Manual
1.5.2
BIOS Support for USB Keyboard
If the USB keyboard is the only keyboard in the system, it will function like a nor-
mal keyboard during system boot-up.
1.5.3
Main Switch Override Mechanism
When an ATX power supply is used, the power button can function as a system sus-
pend button. When the user presses the power button, the system will enter a SoftOff
state. The monitor will be suspended and the hard drive will spin down. Pressing the
power button again will wake-up the whole system. During the SoftOff state, the
ATX power supply provides power to the system to keep the required circuitry
“alive”. In case the system malfunctions and you want to turn off the power, just
press and hold the power button for 4 seconds. The power will turn off and no power
will be provided to the motherboard.
1.5.4
Wake-On-LAN (WOL)
Wake-On-LAN is defined as the ability of a management application to remotely
power up a computer that is powered off. Remote PC setup, up-dates and asset track-
ing can occur after hours and on weekends so that daily LAN traffic is kept to a min-
imum and users are not interrupted. The motherboard has a 3-pin header (WOL) to
connect to the 3-pin header on a Network Interface Card (NIC) that has WOL capa-
bility. In addition, an onboard LAN controller can also support WOL without any
connection to the WOL header. The 3-pin WOL header is to be used with a LAN
add-on card only.
1.6
Super I/O
The disk drive adapter functions of the Super I/O chip include a floppy disk drive
controller that is compatible with industry standard 82077/765, a data separator,
write pre-compensation circuitry, decode logic, data rate selection, a clock generator,
drive interface control logic and interrupt, and DMA logic. The wide range of func-
tions integrated onto the Super I/O greatly reduces the number of components
Note:
Wake-On-LAN requires an ATX 2.01 (or above) compliant power supply.
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