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
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One PCI-Exp. x8 (in x8 slot)
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One PCI-Exp. x4 (in x8) slot
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One 32-bit PCI 33 MHz slot
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BIOS
16 Mb Phoenix
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®
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 firmware control
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CPU/chassis temperature monitors
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Low noise fan speed control
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CPU fan auto-off in sleep mode
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Pulse Width Modulation (PWM) fan control
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I
•
2
C temperature sensing logic
Thermal Monitor 2 (TM2) support
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CPU slow-down on temperature overheat
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CPU thermal trip support for processor protection
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Power-up mode control for recovery from AC power loss
•
Chassis intrusion detection
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System resource alert via Supero Doctor III
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