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X7DB8-X/X7DBE-X 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 with a system clock speed of
333/267 MHz
Memory
• Eight 240-pin DIMM sockets with support up to 16 (32) GB DDR2 Fully Buff-
ered (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 PXH I/O subsystem (x2).
Expansion Slots
• Three PCI-X 133 MHz slots (*Slots 2/3/6)
• Three PCI-X 100 MHz slots (*two PCI-X-100 MHz slots: Slots 4/5, one PCI-X-
100 MHz w/ZCR slot: Slot 1) (*ZCR is available for the X7DB8-X only.)
BIOS
• 8 Mb Phoenix
®
Flash ROM
• DMI 2.3, PCI 2.2, ACPI 1.0, Plug and Play (PnP)
PC Health Monitoring
• Onboard voltage monitors for CPU cores, chipset voltage, +3.3V, +5V, +12V,
−12V 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
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