1-6
X8DTG-DF User's Manual
Motherboard Features
CPU
Two Intel•
®
5500 Series (LGA 1366) processors with each processor supporting
two full-width Intel QuickPath Interconnect (QPI) links with a total of up to 51.2
GT/s Data Transfer Rate (6.4 GT/s per direction)
Memory
Twelve 240-pin DIMM sockets support up to 96 GB of Registered ECC or 24 •
GB of Unbuffered ECC/Non-ECC DDR3 1333/1066/800 MHz Memory. (For
Unbuffered ECC/Non-ECC memory, maximum of 2 GB per DIMM is supported.
See Pages 2-7, 2-8 in Chapter 2 for memory Population.)
Chipset
Intel 5520 chipset, including: the 5520 (IOH-36D) and the ICH10R (South •
Bridge).
Expansion Slot
One PCI-E x4 Gen. 2.0 in x16 slot•
SMC Proprietary Slots
Four SBX slots (SBX 1A/2A & SBX 1B/2B) for riser cards (Refer to www.super-•
micro.com/support/resources/riser/ for details.)
BIOS
32 Mb AMI SPI Flash ROM•
ACPI 1.0/2.0/3.0, Plug and Play (PnP), DMI 2.3, SMBIOS 2.3, and USB Key-•
board support
PC Health Monitoring
Onboard voltage monitors for CPU1 VCore, CPU2 VCore, +5Vin, • 12Vcc (V),
V P1 DIMM, V P2 DIMM, +3.3Vcc (V), and Battery Voltage
Fan status monitor with fi rmware control
•
CPU/chassis temperature monitors•
Platform Environment Control Interface (PECI) ready•
CPU fan auto-off in sleep mode•
CPU slow-down on temperature overheat•
Pulse Width Modulation (PWM) Fan Control•
CPU thermal trip support for processor protection, power LED•
Power-up mode control for recovery from AC power loss•
Auto-switching voltage regulator for CPU cores•
System overheat/Fan Fail LED Indicator and control•
System resource alert via Supero Doctor III•
