Supermicro X7DB3 - Motherboard Features

1-6
X7DB3 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 1.333 GHz/1.066 GHz/677 MHz with a system clock speed of
333/267/166 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 En-
terprise South Bridge 2 (ESB2), and the I/O subsystem (PXH).
Expansion Slots
• Three PCI-Express slots (*two slots at x8@4GB/sec, one slot x4@2GB/sec. on
x8 connector)
• Three 64-bit PCI-X slots (*two PCI-X-133 slots, one PCI-X-100 w/ZCR slot)
• One SPEC slot (*for Supermicro's 2U Active Riser cards)
BIOS
• 8 Mb Phoenix
®
Flash ROM
• DMI 2.3, PCI 2.2, ACPI 1.0, ACPI 2.0, Plug and Play (PnP), SMBBIOS 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
• 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
• Low noise fan speed control
• Pulse Width Modulated (PWM) fan control
• I
2
C temperature sensing monitoring
• Thermal Monitor 2 (TM2) support