User`s manual

1-6
X7SB3/X7SB3-F User's Manual
Motherboard Features
CPU
Single Intel•
®
Xeon® LGA 775 Quad-Core/Dual-Core 3000 Sequence or Core™
2 processor at a front side bus speed of 1333/1066/800 MHz
Memory
Four 240-pin DIMM sockets with support of up to 8 GB ECC/Non-ECC Unbuf-•
fered DDR2 800/667 MHz Memory with DIMM size of 2 GB/1 GB/512 MB/256
MB @ 1.8V (See Section 2-4 in Chapter 2 for DIMM Slot Population.)
Chipset
Intel® 3210 chipset, including: the 3210 Memory Control Hub (MCH), and the •
ICH9 South Bridge
Expansion Slots
One PCI-E x8 slot (J8) (Not for a graphics card)•
One PCI 33MHz slot (PCI1)•
BIOS
16 Mb Phoenix•
®
SPI Flash EEPROM
DMI 2.3, PCI 2.2, APM 1.2, ACPI 1.0/2.0/3.0, Plug and Play (PnP), USB Key-
•
board support, and SMBIOS 2.3
PC Health Monitoring
Onboard voltage monitors for CPU cores, Memory, Chipset, +1.8V, +3.3V, +5V, •
+12V, −12V, +3.3V standby, Vcore and VBAT
Fan status monitor with fi rmware control
•
CPU/chassis temperature monitors•
CPU 4-phase switching voltage regulator•
CPU slow-down on temperature overheat•
CPU thermal trip support for processor protection•
Thermal Monitor 2 (TM2) support•
CPU fan auto-off in sleep mode•
PECI Ready (Platform Environment Control Interface)•
Low noise fan speed control •
Fan status monitor for on-off control•
Pulse Width Modulation (PWM) fan control•
Tachometer monitoring•
Power-up mode control for recovery from AC power loss•
Chassis intrusion detection•