USER’S MANUAL
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hapter
7
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BIOS
Upgrades, Clearing, and Screens
T
his chapter describes the BIOS configurations, including the default
settings as well as options that can be changed to improve performance in
particular applications.
7.1 BIOS Requirements
The initial BIOS supports the AMD Opteron™ processor, AMD-8131™
HyperTransport™ PCI-X tunnel, AMD-8111™ HyperTransport™ I/O hub, and
Winbond S I/O W83627HF. The BIOS code is contained in a 4-Mbit LPC Flash
ROM (Winbond W49V040P10 or SST49LF040-33-4C-NH) in a 32-pin PLCC
package with socket.
BIOS features include the following:
Compliant with Windows® Logo Program, Version 2.0 (Section A6.0,
"Server System Requirements" excluding IA-64 requirements)
Supports Headless Server (Microsoft® Server Design Guide 3.0)
Compliant with ACPI specification version 1.0b, with 2.0 CPU extensions
Compliant with System Management BIOS (SMBIOS) specification,
version 2.3.2
Compliant with Pre-boot Execution Environment (PXE), version 2.0
Supports memory configuration greater than 4 Gbytes
7-1
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