User's and BIOS Manual (1.1a)

1-6

X7DA8+/X7DAE+ User's Manual

Motherboard Features

CPU

• Dual Intel

64-bit LGA 771 Quad-Core/Dual-Core Xeon 5300/5100/5000 Series

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 ECC DDR2 FBD 667/533

Memory (*See Section 2-3 in Chapter 2 for DIMM Slot Population.)

Chipset

• Intel 5000X chipset, including: the 5000X Memory Control Hub (MCH), the En-

terprise South Bridge 2 (ESB2), and the I/O subsystem (PXH-V).

Expansion Slots

• Two PCI-E slots (one x16 signal on x16 slot, one x4 signal on x16 slot)

• Three 64-bit PCI-X slots (*two: PCI-X-133 slots, one PCI-X-100 ZCR Slot)

• One PCI-33 MHz slot

• One SIM Low Proﬁ le IPMI slot

BIOS

• 8 Mb Phoenix

Flash ROM

• DMI 2.1, PCI 2.2, ACPI 1.0, Plug and Play (PnP), SMBIOS 2.3, PCI-X 1.0

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 speed on/off control

• CPU/chassis temperature monitors

• Platform Environment Control Interface (PECI)

• 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 core

• System overheat LED and control

• Chassis intrusion detection

• System resource alert