1-6
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
