User`s manual

1-6
X7DCA-L 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/1066 MHz
Memory
Six 240-pin DIMM sockets with support up to 48 GB ECC Buffered (Registered) •
DDR2 667/533 Memory (*See Section 2-3 in Chapter 2 for DIMM Slot Popula-
tion.)
Chipset
Intel 5100 chipset, including: the 5100 Memory Control Hub (MCH) and the •
ICH9R South Bridge
Expansion Slots
One PCI-Exp. x16•
One PCI-Exp. x8 (in x8 slot)•
One PCI-Exp. x4 (in x8) slot•
One 32-bit PCI 33 MHz slot•
BIOS
16 Mb Phoenix•
®
Flash ROM
DMI 2.3, PCI 2.2, ACPI 1.0/2.0, Plug and Play (PnP), USB Keyboard support, •
Hardware BIOS Virus Protection, and Real Time Clock Wake-up
PC Health Monitoring
Onboard voltage monitors for CPU core voltage, Memory voltage, Chipset, •
+3.3V, +5V, +12V, -12V, +3.3V standby, +5V standby and VBAT)
Fan status monitor with 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•