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X7DBX-8/X7DBX-i User's Manual
Motherboard Features
CPU
• Dual Intel
®
64-bit Xeon LGA 771 dual core processors at a front side bus
speed of 1.333 GHz/1.066 GHz/667 MHz
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 (*one PCI-E slot x8: JPCIE1, one PCI-E slot x4:
JPCIE2, and one SPEC-E12 slot at x8@4GB/sec: JPCIE3)
• Two 64-bit PCI-X slots (*one PCI-X-133 slot: Slot6, one PCI-X-100 w/ZCR
slot: Slot7)
BIOS
®
• 8 Mb Phoenix
Flash ROM
• DMI 2.3, PCI 2.2, ACPI 1.0, Plug and Play (PnP), USB Keyboard Support,
Hardware BIOS Virus Protection, SMBIOS 2.3
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 control
• CPU/chassis temperature monitors
• Platform Environment Control Interface (PECI) ready
• CPU fan auto-off in sleep mode
• CPU slow-down on temperature overheat
• CPU thermal trip support for processor protection, power LED
• 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
ACPI Features
• Slow blinking LED for suspend state indicator
• Main switch override mechanism
1-6
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