User`s manual

Chapter 1: Introduction
1-7
Motherboard Features
CPU
Dual AMD Opteron 2000 series (Socket F type) processors•
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-•
800/667/533 registered ECC SDRAM
Note: Due to a CPU specifi cation, fully 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•
Expansion Slots
Four (4) PCI-Express x16 Gen 2 slots•
Two (2) PCI-Express x4 (in x8) Gen 2 slots•
One (1) PCI slot•
BIOS
16 Mb AMIBIOS•
®
SPI Flash ROM
APM 1.2, DMI 2.3, PCI 2.2, ACPI 1.0 (ACPI 2.0 is BIOS supported), SMBIOS 2.3,
•
Plug and Play (PnP), BIOS Rescue hot keys, USB Keyboard support, Hardware
BIOS Virus protection, RTC Wakeup
PC Health Monitoring
Onboard voltage monitors•
Fan status monitor with fi rmware/software on/off and speed control•
Watch Dog•
Environmental temperature monitoring via BIOS•
Power-up mode control for recovery from AC power loss•
System resource alert (via included utility program)•
Auto-switching voltage regulator for the CPU core•
CPU thermal trip support•
I•
2
C temperature sensing logic