1-6
Introduction
X6DHT-G User's Manual
Motherboard Features
CPU
• Single or dual Intel
®
Xeon
TM
EM64T processors at 800 MHz front side
(system) bus speed.
Memory
• Eight 184-pin DIMM sockets supporting up to 16 GB (DDR 333) or 32
GB (DDR 266) Registered ECC DDR 333/266 (PC2700/PC2100) SDRAM
Chipset
• Intel E7520 Lindenhurst chipset
Expansion Slots
• Two x8 PCI-E slots
• Three 64-bit PCI-X (3.3V) slots (*One PCI-X-133 MHz slot, One PCI-X-
100 MHz/ZCR slot, One PCI-X-100 MHz slot)
• One 32-bit (5V) 33MHz PCI
BIOS
• 8 Mb Phoenix
®
Flash ROM
• APM 1.2, DMI 2.1, ACPI 2.0, Plug and Play (PnP), SMBIOS 2.3
PC Health Monitoring
• Onboard voltage monitors for CPU cores, chipset voltage, 3.3V, +5V,
+12V, −12V and +5V standby
• Fan status monitor with firmware/software on/off control
• CPU/chassis temperature monitors
• Environmental temperature monitor and control
• CPU fan auto-off in sleep mode
• CPU slow-down on temperature overheat
• CPU thermal trip support for processor protection, +5V standby alert
LED
• 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
