Motherboard Features - Supermicro X7DBR-3 User Manual

X7DBR-3/X7DBR-E User's Manual

Motherboard Features

CPU
®
• Dual Intel 64-bit Xeon LGA 771 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 DDR2 Fully Buffered
(FBD) ECC 667/533 Memory (*See Section 2-3 in Chapter 2 for DIMM Slot
Population.)
Chipset
• Intel 5000P chipset, including: the 5000P Memory Control Hub (MCH), the
Enterprise South Bridge 2 (ESB2), and the I/O subsystem (PXH-V).
Expansion Slots
• Three PCI-Express slots (*three slots at x8@4GB/sec.) (*riser card required)
• One 64-bit PCI-X slot (*One PCI-X-133 MHz slot: Slot 6) (*riser card required)
• One 64-bit PCI-X ZCR slot (*One PCI-X-100 MHz Zero Channel RAID slot:
Slot 7) (*riser card required)
BIOS
®
• 8 Mb Phoenix Flash ROM
• DMI 2.3, PCI 2.2, ACPI 1.0/2.0, Plug and Play (PnP), SMBIOS 2.3 and USB
Keyboard support
PC Health Monitoring
• Onboard voltage monitors for CPU cores, chipset voltage, +1.8V, +3.3V, +5V,
+12V, −12V, +3.3V Standby, +5V standby and VBAT
• Fan status monitor with fi rmware control
• CPU/chassis temperature monitors
• Low noise fan speed control
• Platform Environment Control Interface (PECI) ready
2
• I 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
• Auto-switching voltage regulator for CPU cores
• System overheat/Fan Fail LED Indicator and control
• Chassis intrusion detection
• System resource alert via Supero Doctor III
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