Chapter 1: Introduction
1-7
Motherboard Features
CPU
• Single Intel Xeon 3000 Series/Core 2 Quad/Core 2 Duo Processor with a system
bus speed of 1.33 GHz/1.066 GHz
• Supports Intel Dual Core Technology, Hyper-Threading, Wide Dynamic Execu-
tion, FSB Dynamic Bus Inversion (DBI), Advanced Digital Media Boost, Smart
Memory Access, and Thermal Management 2 (TM2)
Memory
• Supports unbuffered single or dual channel Non ECC Unbuffered DDR2 up
to 8GB/s (DDR2 800/667) for single channel mode or dual-channel Interleaved
mode.
Chipset
• Intel G33/P35 GMCH (North Bridge), ICH9/ICH9R (South Bridge)
Expansion Slots
• One (1) PCI-Express x16 (Slot 6)
• One (1) PCI-Express x4 (Slot 5)
• One (1) PCI-Express x1 (Slot 7)
• Four (4) 32-bit PCI 33MHz (Slot 1 to Slot 4) (Slot 4: Not available on the
C2SBA+II/C2SBA+)
BIOS
• DMI 2.3, PCI 2.2, ACPI 1.0/2.0, SMBIOS 2.3, and Plug and Play (PnP)
PC Health Monitoring
• Onboard voltage monitors for CPU Core Voltage, Memory Voltage,+1.8V, +3.3V,
+3.3V standby, +5V, Vbat (battery voltage) and ±12V
• Fan status monitor with rmware 4 pin fan speed control
• CPU 3-Phase-switching voltage regulator
• SuperDoctor III, Watch Dog, NMI
• Power-up mode control for recovery from AC power loss
• CPU/System overheat LED and control
• System resource alert via Supero Doctor III
• Auto-switching voltage regulator for the CPU core
• CPU Thermal Trip support
• Thermal Monitor 2 (TM2) support
• Trusted Platform Module (TPM) support
ACPI Features
• Slow blinking LED for suspend state indicator
• BIOS support for USB keyboard
• Main switch override mechanism
• External modem ring-on
