Supermicro H8SGL-F User Manual download pdf (Page 20)

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H8SGL(-F) Serverboard User’s Manual

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 access

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 connect to the 3-pin header on a Network Interface Card (NIC) that has

WOL capability. Wake-On-LAN must be enabled in BIOS.

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 H8SGL(-F) serverboard requires the use of proprietary power supplies. Please

refer to the pinout information for the power connectors in Section 6 of Chapter 2

for detailed information on power requirements.

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.

Warning: To prevent the possibility of explosion, do not use the wrong type of

onboard CMOS battery or install it upside down.

1-7 Super I/O

The disk drive adapter functions of the Super I/O Winbond® BMC chip includes 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 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 provides two high-speed, 16550 compatible serial communication

ports (UARTs), one of which supports serial infrared communication. Each UART

includes a 16-byte send/receive FIFO, a programmable baud rate generator,

complete modem control capability and a processor interrupt system. Both UARTs

provide legacy speed with baud rate of up to 115.2 Kbps as well as an advanced

speed with baud rates of 250 K, 500 K, or 1 Mb/s, which support higher speed

modems.

The Super I/O provides functions that comply with ACPI (Advanced Conﬁ guration

and Power Interface), which includes support of legacy and ACPI power management

through a SMI or SCI function pin. It also features auto power management to reduce

power consumption.

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Supermicro H8SGL-F User Manual Page 20