User`s manual

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X7SB4/X7SBE User’s Manual
Motherboard Features
CPU
•Single Intel® Xeon 3000 Series Processors at system bus speeds of 1333
MHz/1066 MHz/800 MHz.
•  Intel Virtualization Technology (VT), Execute Disable Bit, Enhanced Intel
SpeedStep (EIST) supported
Memory (Note: See Section 2-4 for details.)
• Four DIMM slots support Dual/Single Channel DDR2 800/667 MHz up 
to 8 GB of ECC/Non-ECC Unbuffered DDR2 SDRAM.
Chipset
• Intel3210
• IntelICH9R
• IntelPXH
Expansion Slots
• One(1)PCI-Expressx4slot(Slot4)
• Two(2)PCI-X64-Bit133MHzslots(Slot5/Slot6)
• Two(2)PCI-X64-Bit100MHzslots(Slot1/Slot2)(X7SBE)
One (1) PCI-X 64-Bit 100 MHz slots (Slot 1)/One (1) PCI-X 64-Bit 100 MHz
ZCRslot(Slot2)(X7SB4:GreenSlot-Slot2w/AOC-LPZCR1support)
• One(1)PCI-Expressx8slot(Slot7)
• One(1)SIM1UIPMIslot(J19)
BIOS
• 16MbSPIPhoenixBIOS 
• DMI 2.3, PCI 2.2, PCI-X 1.0,ACPI 1.0, Plug and Play (PnP), SMBIOS 2.3,
Hardware BIOS Virus Protection
PC Health Monitoring
• OnboardvoltagemonitorsforCPUcores,MemoryVoltage,+1.8V,+3.3V,+5V,
+5V Standby, +12V, −12V, and VBAT
• CPU4-phase-switchingvoltageregulator
• Statusmonitorforfanspeed&SystemOH/FanFailLED/Control
• PulseWidthModulationFanControl&Lownoisefanspeedcontrol
• EnvironmentaltemperaturemonitoringviaBIOS
• Power-upmodecontrolforrecoveryfromACpowerloss
• SuperoDoctorIII,NMI
• SystemResourcealertviaSuperoDoctorIII
• SlowblinkingLEDforsuspendstateindicator
• BIOSsupportforUSBkeyboard
• Mainswitchoverridemechanism