Chapter 1: Introduction

1-9

Motherboard Features
CPU Latest CPU technology!
• supports single, dual or quad 64-bit Intel® Xeon processor MP, 7000 Series and
7100 Series processors at front side bus speed of 800 or 677 MHz
• supports the dual system bus architecture with increased bus speeds and
bandwidth, especially designed or the 4-way server platform
(*Note: The X6QTE+ supports up to 95W CPUs.)
Memory
• 16 (Sixteen) 240-pin DIMM sockets supporting up to 64 GB Registered ECC
DDR2 533/400 SDRAM
Note: Interleaved memory: requires memory modules to be installed in pairs. See Section 2-3 for
details.
Chipset
• Intel E8501 chipset, including: E8501 Chipset (North Bridge) with E8501
Chipset External Memory Bridge (XMB), ICH5R (South Bridge) and PXH PCI
Controller Hub (*The PXH Controller is available for the X6QT8 only.)
Expansion Slots (*See Note 3 on Page 1-4.)
• Two PCI-Exp slots--Slot 5: PCI-Ex4 in x8 slot (x4 signal in x8 connector)
Slot 6: PCI-E x8 in x 16 slot (x8 signal in x16 connector)
• Four PCI-X slots (Slot 1:PCI-X 100MHz ZCR, Slots 2-4: PCI-X 133MHz)
(*Note: Slot 1 to Slot 5 are not available on the X6QTE+)
BIOS
• 8 Mb AMI® Flash ROM
• APM 1.2, DMI 2.3, PCI 2.2, ACPI 1.0, Plug and Play (PnP), SMBIOS 2.3, USB
Keyboard, and Hardware BIOS Virus protection
PC Health Monitoring
• Onboard voltage monitors for CPU cores, +3.3V, +5V, +12V,−12V and +3.3V
standby
• CPU 5-phase switching voltage regulator
• CPU/chassis temperature monitors
• Environmental temperature monitor and control via Supero Doctor III
• I2C Temperature sensing logic
• CPU fan auto-off in sleep mode
• 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 via Super Doctor III
• Thermal Management 2 support