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X7DBR-8/X7DBR-i 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
• 8 240-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 Popula-
tion.)
Chipset
• Intel 5000P chipset, including: the 5000P Memory Control Hub (MCH) and
the Enterprise South Bridge 2 (ESB2).
Expansion Slots
• Three PCI-Express slots (*three slots at x8@4GB/sec.)
• One 64-bit PCI-X slot (*One PCI-X-100 MHz slot: Slot 6)
• One 64-bit PCI-X ZCR slot (*One PCI-X-100 MHz Zero Channel RAID slot:
Slot 7)
BIOS
®
• 8 Mb Phoenix
Flash ROM
• DMI 2.3, PCI 2.2, ACPI 1.0, Plug and Play (PnP), SMBIOS 2.3 and USB Key-
board 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
1-6
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