SUPER MICRO Computer X7DGU, X7DBU Motherboard Features, Memory, Chipset, Expansion Slots

X7DBU/X7DGU 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/667 MHz

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

*X7DBU:

•Intel 5000P chipset, including: the 5000P Memory Control Hub (MCH) and the Enterprise South Bridge 2 (ESB2).

*X7DGU:

•Intel 5000X chipset, including: the 5000X Memory Control Hub (MCH) and the Enterprise South Bridge 2 (ESB2).

Expansion Slots

*X7DBU:

•Two PCI-Express slots (SXB1: PCI-E x8 + x8 Single Slot, SXB2: PCI-E x8)

•One 64-bit PCI-X 133 MHz slot (J14)

*X7DGU (for OEM only):

•Two PCI-Express slots (SXB1: PCI-E x16, SXB2: PCI-E x8)

•One 64-bit PCI-X 133 MHz slot (J14)

BIOS

•8 Mb Phoenix® Flash ROM

•DMI 2.3, PCI 2.2, ACPI 1.0/2.0, Plug and Play (PnP), SMBIOS 2.3 and USB Keyboard support

PC Health Monitoring

•Onboard voltage monitors for CPU cores, chipset voltage, memory voltage, HT voltage, +1.8V, +3.3V, +5V, +12V, −12V, +3.3V Standby, +5V standby and

VBAT

•Fan status monitor with firmware control

•CPU/chassis temperature monitors

•Low noise fan speed control

1-6