SUPER MICRO Computer X6DHi-G2 - Manual (Page 18)

1-12
X6DH3-G2/X6DHi-G2 User's Manual
External Modem Ring-On
Wake-up events can be triggered by a device such as the external modem ringing
when the system is in the SoftOff state. Note that external modem ring-on can only
be used with an ATX 2.01 (or above) compliant power supply.
Wake-On-LAN (WOL)
Wake-On-LAN is defi ned as the ability of a management application to remotely power
up a computer that is powered off. Remote PC setup, up-dates and asset tracking
can occur after hours and on weekends so that daily LAN traffi c is kept to a minimum
and users are not interrupted. The motherboard has a 3-pin header (WOL) to con-
nect to the 3-pin header on a Network Interface Card (NIC) that has WOL capability.
Wake-On-LAN must be enabled in BIOS. Note that Wake-On-LAN can only be used
with an ATX 2.01 (or above) compliant power supply.
1-6 Power Supply
As with all computer products, a stable power source is necessary for proper and
reliable operation. It is even more important for processors that have high CPU
clock rates.
The SUPER X6DH3-G2/X6DHi-G2 accommodates ATX 24-pin power supplies.
Although most power supplies generally meet the specifi cations required by the
CPU, some are inadequate. You should use one that will supply at least 400W
of power. Your power supply must supply 1.5A for the Ethernet ports. The +12V,
4-pin power connector (J38) is required to ensure adequate power supply to the
system. Additionally, you should also use the onboard 12V 8-pin power connector
(J1D1) to support Intel Xeon CPUs. Failure to provide this extra power will result
in instability of the CPU after only a few minutes of operation. See Section 2-5 for
details on connecting the power supply.
It is strongly recommended that you use a high quality power supply that meets ATX
power supply Specifi cation 2.02 or above. It must also be SSI compliant (info at
http://www.ssiforum.org/). Additionally, in areas where noisy power transmission is
present, you may choose to install a line fi lter to shield the computer from noise. It
is recommended that you also install a power surge protector to help avoid problems
caused by power surges.
1-7 Super I/O
The disk drive adapter functions of the Super I/O chip include a fl oppy 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 genera-
tor, drive interface control logic and interrupt and DMA logic. The wide range of
functions integrated onto the Super I/O greatly reduces the number of components
required for interfacing with fl oppy disk drives. The Super I/O supports 360 K, 720K,