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X8DAL-3/X8DAL-i User's Manual
Motherboard Features
CPU
Two Intel•
®
5500 Series (LGA 1366) processors, each processor supporting two
full-width Intel QuickPath Interconnect (QPI) @6.4 GT/s with a total of up to 51.2
GB/s Data Transfer Rate (6.4 GB/s per direction)
Memory
Six 240-pin DIMM sockets support up to 24 GB of DDR3 Buffered ECC or •
Unbuffered ECC/Non-ECC Memory (See Section 2-4 in Chapter 2 for DIMM
Slot Population.)
Chipset
Intel 5500 chipset, including: the 5500 North Bridge and the ICH10R South •
Bridge.
Expansion Slots
One PCI-E 2.0 x16 slot (Slot 6)•
One PCI-E 2.0 x4 slot in x16 slot (Slot 3)•
One PCI-E x4 (in x8) slots (Slot 2)•
Two 32-bit PCI 33 slots (Slot 4 and Slot 5)•
BIOS
4 MB AMI SPI Flash ROM•
PCI 2.2, DMI 2.3, ACPI 1.0/2.0/3.0, Plug and Play (PnP), DMI 2.3, USB Keyboard •
support, and SMBIOS 2.3
PC Health Monitoring
Onboard voltage monitors for Vcore1, Vcore2, 1.5V, 5VDD, 5VSB, 12V, -12V, •
3.3Vcc, 3.3VSB, VBAT and Vtt.
Fan status monitor with fi rmware control
•
Tachometer Monitoring •
Pulse Width Modulation (PWM) fan control.•
Low-noise fan speed control•
CPU/chassis temperature monitoring•
Platform Environment Control Interface (PECI) ready•
Thermal Monitor 2 (TM2) support•
CPU fan auto-off in sleep mode•
CPU slow-down on temperature overheat•
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•
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