User`s manual
1-6
X8DAH+/X8DAH+-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) @6.4 GT/s with a total of up to
51.2 GB/s Data Transfer Rate (6.4 GB/s per direction) (See Note 2 on P. 1-3.)
Memory
18 240-pin DIMM sockets support up to 192 GB of Reg. ECC or up to 48 GB of •
Unbuffered ECC/Non-ECC DDR3 1333/1066/800 MHz Memory modules (See
Section 2-4 in Chapter 2 for DIMM Slot Population.) (See Note 2 on P. 1-3.)
Chipset
Intel 5520 chipset, including: two IOH-36D (I/O Hub) •
One ICH10R (South Bridge)•
Expansion Slots
Three PCI-E 2.0 x8 slots (Slot 1/Slot 3/Slot7)•
Two PCI-E 2.0 x16 slots (Slot 2/Slot 6)•
One PCI-E 2.0 x4 (in x8) slots (Slot 5)•
One PCI-E 2.0 x8 (in x16) slots (Slot 4)•
BIOS
32 Mb AMI SPI Flash ROM•
PCI 2.2, ACPI 1.0/2.0/3.0, Plug and Play (PnP), DMI 2.3, USB Keyboard sup-•
port, and SMBIOS 2.3
PC Health Monitoring
Onboard voltage monitors for CPU0 Vcore, CPU1 Vcore, 1.5V, 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•
Chassis intrusion detection•