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S
S
UPER
ERVER 8025C-3R User's Manual
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Serverboard Features
At the heart of the SuperServer 8025C-3R lies the X7QC3, a quad processor
serverboard based on the Intel 7300 chipset. Below are the main features of the
X7QC3. (See Figure 1-1 for a block diagram of the 7300 chipset).
Processors
The X7QC3 supports four Intel Xeon MP 7300/7200 Series processors. Please
refer to the serverboard description pages on our web site for a complete listing of
supported processors (www.supermicro.com).
Memory
The X7QC3 has 24 240-pin DIMM slots that can support up to 192 GB of ECC
FBD (Fully Buffered DIMM) DDR2-667/533 SDRAM. Single channel, two-channel
interleaved and four-channel interleaved memory are all supported. Modules of the
same size and speed should be used. See Chapter 5 Section 5 for details.
Serial Attached SCSI (SAS)
An onboard LSI-1068E Serial Attached SCSI (SAS) controller is integrated into
the X7QC3, which supports eight SAS hard drives with SES2. The SAS drives are
connected to a backplane that provides power, bus termination and confi guration
settings and are hot-swappable units. Note: The operating system you use must
have RAID support to enable the hot-swap capability and RAID function of the
SAS drives. RAID 0, 1 and 10 are supported. (RAID 5 is also supported with an
optional i-Button installed.)
Serial ATA (SATA)
A SATA controller is integrated into the South Bridge (ESB2E) section of the chipset
to provide a six-port Serial ATA subsystem, which is RAID 0, 1, 10 and 5 supported.
The Serial ATA drives are hot-swappable units.
PCI Expansion Slots
The X7QC3 has two PCI-Express x8 slots, one PCI-Express x4 slot and one PCI-X
133 MHz slot. Only low-profi le cards are supported.
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