Motherboard Features - Supermicro X7DA3 User Manual

X7DA3 User's Manual

Motherboard Features

CPU
®
• Dual Intel 64-bit Xeon LGA 771 Quad-Core/Dual-Core processors at a front side
bus speed of 667 MHz/1.066 GHz/1.333 GHz
Memory
• Eight 240-pin DIMM sockets with support up to 32 GB ECC DDR2 FBD 667/533
Memory (*See Section 2-3 in Chapter 2 for DIMM Slot Population.)
Chipset
• Intel 5000X (Greencreek) chipset, including: the 5000X (Greencreek) Memory
Control Hub (MCH), the Enterprise South Bridge 2 (ESB2), and the I/O subsys-
tem (PXH-V).
Expansion Slots
Two PCI-E slots (one x16 signal on x16 slot, one x4 signal on x16 slot)
Three 64-bit PCI-X slots (*two: PCI-X-133 slots, one PCI-X-100 ZCR Slot)
One PCI-33 MHz slot
One Low Profi le IPMI slot
BIOS
®
• 8 Mb Phoenix Flash ROM
• DMI 2.1, PCI 2.2, ACPI 1.0, Plug and Play (PnP), SMBIOS 2.3, PCI-X 1.0
PC Health Monitoring
• Onboard voltage monitors for CPU cores, chipset voltage, 1.8V, 3.3V, +5V, +12V,
−12V, 3.3V standby and 5V standby
• Fan status monitor with fi rmware speed control
• CPU/chassis temperature monitors
• Platform Environment Control Interface (PECI)
• CPU slow-down on temperature overheat
• CPU thermal trip support for processor protection
• Power-up mode control for recovery from AC power loss
• Auto-switching voltage regulator for CPU core
• System overheat LED and control
• Chassis intrusion detection
• System resource alert
ACPI Features
• Slow blinking LED for suspend state indicator
• Main switch override mechanism
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