Operating System Boot, Sleep, and Wake ESB2 BMC Core TPS
Revision 1.0
Intel order number E18291-001
198
Additionally a USB HDD can only emulate a FDD (Forced FDD) if there is only a single partition
on the HDD. If the HDD has multiple partitions, it can only be set to Auto or Hard Disk and
cannot emulate a FDD. The Force FDD option only works for devices formatted with FAT12,
FAT16 or FAT32.
17.1.3 USB Boot Device Reordering
In order to facilitate priority boot of various external USB boot devices & media without the need
to enter the Setup Utility and reconfigure the saved Boot Options, BIOS adjusts Boot Options for
bootable USB devices. This automatic reordering of USB boot devices only occurs when a USB
device is newly detected and not found in the previous configured boot order. When that USB
boot device is removed, the configured order of Boot Options is restored.
If a standard boot device of the same type (Hard Disk, CDROM, Floppy) is already present in
the configured Boot Options, then the USB boot device of that type is given priority and moved
to the top of that device type boot order to boot before other devices of the same type. However,
the position of that device type in the Boot Manager order is not changed to preserve the
configured boot device type order. If a standard boot device of the same type is not already
present in the configured Boot Options, then that type is given priority and moved to the top
position in the Boot Manager order to boot before other device types already configured.
If the USB boot device is not intended for a one-time boot and remains configured, then the boot
order including the USB device can still be configured and saved in the Setup Utility and is
preserved as a permanent change to the boot order.
For security reasons, this USB boot device reordering does not occur if the User Password has
been installed via the Security Configuration Screen in the Setup Utility.
17.2 Operating System Support
17.2.1 Microsoft Windows* Compatibility
Intel Corporation and Microsoft Corporation co-author design guides for system designers using
Intel
®
processors and Microsoft* operating systems. The Hardware Design Guide for Microsoft
Windows 2000 Server, Version 3.0, Microsoft Corporation is intended for systems designed to
work with Microsoft Windows Server* class operating systems. The specification further
classifies the systems and includes sets of requirements based on the intended usage for that
system. For example, a server system that is used in small home / office environments has
different requirements than one used for enterprise applications.
This product supports the Hardware Design Guide for Microsoft Windows 2000 Server, Version
3.0 Microsoft Corporation enterprise requirements.
17.2.2 Advanced Configuration and Power Interface (ACPI)
The BIOS performs several functions to support ACPI:
Configure the system for ACPI mode when requested by the operating system.
Implement the Interrupt 15h, Function E820h memory map interface.
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