User`s manual

1-6
X7DCA-3/X7DCA-i User's Manual
Motherboard Features
CPU
Dual Intel•
®
64-bit Xeon LGA 771 Quad-Core/Dual-Core 5400/5300/5200/5100
Series processors at a front side bus speed of 1333 MHz/1067 MHz
Memory
Six 240-pin DIMM sockets with support up to 32 GB ECC Buffered (Registered) •
DDR2 667/533 Memory (*See Section 2-3 in Chapter 2.)
Chipset
Intel 5100 chipset, including: the 5100 Memory Control Hub (MCH), the ICH9R •
SouthBridge and PXH-V
Expansion Slots
Two PCI-Exp. x16 slots (Slot 4/Slot 6, Slot 4: x4 signal in x 16 slot) •
Two PCI-X 133/100 MHz slots (Slot 1/Slot 2)•
Two 32-bit PCI 33 MHz slot (Slot 3/Slot 5)•
One SIMLC IPMI Slot (Slot 7)•
BIOS
8 Mb Phoenix•
®
Flash ROM
DMI 2.3, PCI 2.2, ACPI 1.0, Plug and Play (PnP), USB Keyboard support,
•
Hardware BIOS Virus Protection and SMBIOS 2.3
PC Health Monitoring
Onboard voltage monitors for CPU core voltage, Memory voltage, Chipset, •
+1.8V, +3.3V, +5V, +12V, −12V, +3.3V standby, +5V standby and VBAT)
Fan status monitor with fi rmware control
•
CPU/chassis temperature monitors•
Low noise fan speed control •
CPU fan auto-off in sleep mode•
Pulse Width Modulation (PWM) fan control•
I•
2
C temperature sensing logic
Thermal Monitor 2 (TM2) support
•
CPU slow-down on temperature overheat•
CPU thermal trip support for processor protection•
Power-up mode control for recovery from AC power loss•
Chassis intrusion detection•
System resource alert via Supero Doctor III•