1-6
X8DTU/X8DTU-F User's Manual
Motherboard Features
CPU
Two Intel•
®
5500/5600 Series (LGA 1366) processors; each processor supports
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 192 GB* of DDR3 Registered ECC •
or up to 48 GB of Unbuffered ECC/Non-ECC DDR3 1333 MHz/1066 MHz/800
MHz in 12 DIMM modules. (*Refer to Supermicro's memory recommendation
list posted on our website at www.supermicro.com. See Section 2-4 in Chapter
2 for DIMM Slot Population.)
Chipset
Intel 5520 chipset, including: the 5520 (North Bridge) and the ICH10R (South •
Bridge).
Expansion Slots
One PCI-E 2.0 x16 slot (J2: SXB1)•
One PCI-E 2.0 x8 slot (J1: SXB2)•
One PCI-E 2.0 x8 in x4 slot (J3: SXB3)•
BIOS
32 Mb AMI SPI Flash ROM•
PCI 2.3, ACPI 1.0/2.0/3.0, Plug and Play (PnP), DMI 2.3, USB Keyboard support, •
Hardware BIOS Monitoring, and SMBIOS 2.3
PC Health Monitoring
Onboard voltage monitors for CPU1 Vcore, CPU2 Vcore, CPU1 DIMM, CPU 2 •
DIMM, 5V, 5VSB, 12V, -12V, 3.3Vcc, 3.3VSB, VBAT and Vtt.
Fan status monitor with fi rmware control
•
CPU/chassis temperature monitors•
Platform Environment Control Interface (PECI) ready•
Thermal Monitor 2 (TM2) support•
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•
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