H8DCE User’s Manual Serverboard Features CPU • Single or dual AMD Opteron 200 series 64-bit processors in 940-pin microPGA ZIF sockets Memory • Eight dual/single channel DIMM slots supporting up to 32 GB of registered ECC DDR266 or up to 16 GB of registered ECC DDR400/333 SDRAM Note: Memory capacities are halved for single CPU systems. Refer to Section 2-4 before installing.
Chipset • nVidia nForce Pro 2200/2050 Expansion Slots • Two (2) PCI-Express x16 • Two (2) PCI-Express x4 (can support x8 cards) • Three (3) 32-bit, 33 MHz PCI (5V) BIOS • 4 Mb Firmware Hub AMIBIOS ® Flash ROM • APM 1.2, DMI 2.3, PCI 2.2, ACPI 1.0 (ACPI 2.0 is BIOS supported), SMBIOS 2.3, Plug and Play (PnP) PC Health Monitoring • Onboard voltage monitors for two CPU cores, Hyper Transport (1.2V), two memory banks (2.5V), nVidia 2200/2050 chipset (1.5V) • Fan status monitor with fi rmware/software on/off and speed control • Watch Dog, NMI • Environmental temperature monitoring via BIOS • Power-up mode control for recovery from AC power loss • System resource alert (via included utility program) • Pulse Width Modulated (PWM) fan connectors • Auto-switching voltage regulator for the CPU core • Thermal Monitor 2 (TM2) support 1-6