1-3
Chapter 1: Introduction
ATI Graphics Controller
The H8DMU+ features an integrated ATI video controller based on the ES1000
graphics chip. The ES1000 was designed specifi cally for servers, featuring low
power consumption, high reliability and superior longevity.
Other Features
Other onboard features that promote system health include onboard voltage moni-
tors, a chassis intrusion header, auto-switching voltage regulators, chassis and CPU
overheat sensors, virus protection and BIOS rescue.
1-3 Server
Chassis
Features
The following is a general outline of the main features of the SC825TQ-R700U
server chassis.
System Power
The SC825TQ-R700U features a redundant 700W power supply composed of two
separate power modules. This power redundancy feature allows you to replace a
failed power supply without shutting down the system.
Serial ATA Subsystem
The SC825TQ-R700U supports up to eight 3 Gb/s Serial ATA drives. The Serial
ATA drives are hot-swappable units and are connected to a backplane that provides
power and control.
Note:
The operating system you use must have RAID support to enable the hot-
swap capability of the Serial ATA drives.
PCI Expansion Slots
When confi gured as a 2021M-UR+ server, the SC825TQ-R700U suppports expan-
sion cards on both the left and right sides of the chassis:
Left side: UIO card and three PCI-Express x8 cards (with RSC-R2UU-UA3E8 riser
card.)
Right side: one PCI-E x8 card and one PCI-E x4 card in a x8 slot (with RSC-R2UU-
2E8R riser card). (Left and right refer to the side when viewed from the front of the
chassis.)
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