User`s manual

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X8DTT/-F/-IBX/-IBXF/-IBQ/-IBQF User's Manual
Motherboard Features
CPU
Two Intel•
®
5500/5600 Series (LGA 1366) processors, 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
12 240-pin DIMM sockets support up to 192 GB of Registered ECC or up to •
48 GB of Unbuffered ECC/Non-ECC DDR3 1333/1066/800 MHz Memory (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).
Note: Intel 5500 Chipset is available for OEM only.
Expansion Slot
One PCI-E x16 Gen. 2.0 slot•
BIOS
32 Mb AMI SPI Flash ROM•
ACPI 1.0/2.0/3.0, Plug and Play (PnP), and USB Keyboard support•
PC Health Monitoring
Onboard voltage monitors for CPU1 VCore, CPU2 VCore, +5Vin, • 12Vcc (V),
VP1 DIMM, VP2 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•
ACPI Features
Slow blinking LED for suspend state indicator•
Main switch override mechanism•