Motherboard Features - Supermicro X7DWA-N User Manual

X7DWA-N User's Manual

Motherboard Features

CPU
®
• Dual Intel 64-bit Xeon LGA 771 Quad-Core/Dual-Core Xeon 5400/5300/5200/5100
Series processors at a front side bus speed of 1.6 GHz/1.333 GHz/1.066 GHz
Memory
• Eight 240-pin DIMM sockets with support up to 64 GB ECC DDR2 FBD
800/667/533 Memory (See Section 2-3 in Chapter 2 for DIMM Slot Popula-
tion.)
Chipset
• Intel 5400 chipset, including: the 5400 Memory Control Hub (MCH) and the
Enterprise South Bridge 2 (ESB2)
Expansion Slots
• Two PCI-E x16 (Gen. 2) slots (Slot 4/Slot 6)
• Two PCI-X 133/100 MHz Slot (Slot 1/Slot 2)
• Two PCI-33 MHz (3.3 V) slots (Slot 3/Slot 5)
• One IPMI slot (Slot 7)
• One PCI-U slot (Slot 0) (For Supermicro's UIO card only)
BIOS
• 8 Mb Phoenix ® Flash ROM
• DMI 2.3, PCI 2.2, ACPI 1.0, Plug and Play (PnP) and SMBIOS 2.3
PC Health Monitoring
• Onboard voltage monitors for CPU cores, chipset voltage, memory voltage,
+1.8V, +3.3V, +5V, +12V, −12V, 3.3V standby, 5V standby and VBAT
• Fan status monitor with fi rmware speed on/off 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
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