Supermicro SuperServer 6014H-i, Руководство пользователя

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Chapter 1: Introduction
I/O Backplane
The SC812i-420 is a 1U rackmount chassis. Its I/O backplane provides one
full-height full-length and one low-profile PCI expansion slots, one COM port
(the other is internal), one VGA port, two USB ports, PS/2 mouse and
keyboard ports and two Ethernet (LAN) ports.
Cooling System
The SC812i-420 chassis' revolutionary cooling design has been optimized to
provide sufficient cooling for dual Xeon configurations in a 1U space. The
SC812i-420 includes two heavy duty 10-cm blower fans located in the
middle of the chassis. The speed of these fans may be controlled by DC
via a BIOS setting (see below). If a fan breaks down, the ambient air
temperature inside the chassis will rise and activate the overheat/fan fail
LED.
A setting in BIOS (see p. 7-17) is used to control the speed of the fans.
The recommended setting is "3-pin (Server)".