Chapter 1: Introduction
1-7
Motherboard Features
CPU
Dual AMD Opteron 2000 series (Socket F type) processors
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Note: Supports 237x, 238x, 235x and 24xx processors. Please refer to our web site for further
details on supported processors.
Note: This serverboard requires that two CPUs be installed to have full function support.
Memory
Sixteen single/dual channel DIMM slots supporting up to 128 GB of DDR2-
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800/667/533 registered ECC SDRAM
Note: Due to a CPU specifi cation, f
ully populating DIMM slots with DDR2-800/667 memory downgrades
the speed to DDR2 533 MHz (see our web site for possible updates to this).
Refer to Section 2-4 before
installing memory and our web site for recommended DIMMs.
Chipset
Two AMD SR5690 and one AMD SP5100 chipsets
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Expansion Slots
Four (4) PCI-Express x16 Gen 2 slots
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Two (2) PCI-Express x4 (in x8) Gen 2 slots
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One (1) PCI slot
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BIOS
16 Mb AMIBIOS
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®
SPI Flash ROM
APM 1.2, DMI 2.3, PCI 2.2, ACPI 1.0 (ACPI 2.0 is BIOS supported), SMBIOS 2.3,
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Plug and Play (PnP), BIOS Rescue hot keys, USB Keyboard support, Hardware
BIOS Virus protection, RTC Wakeup
PC Health Monitoring
Onboard voltage monitors
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Fan status monitor with fi rmware/software on/off and speed control
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Watch Dog
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Environmental temperature monitoring via BIOS
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Power-up mode control for recovery from AC power loss
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System resource alert (via included utility program)
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Auto-switching voltage regulator for the CPU core
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CPU thermal trip support
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I
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2
C temperature sensing logic
