Datasheet

1-6

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

• 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