1-6
X7DCA-3/X7DCA-i User's Manual
Motherboard Features
CPU
Dual Intel
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®
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)
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DDR2 667/533 Memory (*See Section 2-3 in Chapter 2.)
Chipset
Intel 5100 chipset, including: the 5100 Memory Control Hub (MCH), the ICH9R
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SouthBridge and PXH-V
Expansion Slots
Two PCI-Exp. x16 slots (Slot 4/Slot 6, Slot 4: x4 signal in x 16 slot)
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Two PCI-X 133/100 MHz slots (Slot 1/Slot 2)
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Two 32-bit PCI 33 MHz slot (Slot 3/Slot 5)
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One SIMLC IPMI Slot (Slot 7)
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BIOS
8 Mb Phoenix
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®
Flash ROM
DMI 2.3, PCI 2.2, ACPI 1.0, Plug and Play (PnP), USB Keyboard support,
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Hardware BIOS Virus Protection and SMBIOS 2.3
PC Health Monitoring
Onboard voltage monitors for CPU core voltage, Memory voltage, Chipset,
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+1.8V, +3.3V, +5V,
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12V,
−
12V, +3.3V standby, +5V standby and VBAT)
Fan status monitor with fi rmware 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
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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
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Chassis intrusion detection
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System resource alert via Supero Doctor III
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