BIOS Quick Reference

5.4Configuring Boot Actions

Embedded BIOS supports up to six different user-defined steps in the boot sequence. When the entire system has been initialized, POST executes these steps in order until an operating system successfully loads. In addition, other pre-boot features can be run before, after, or between operating system load attempts. The following actions can be used:

Drive A: - K:

Boot operating system from specified drive. If “Loader” is set to “BootRecord”

 

or “Unused”, then the standard boot record will be invoked, causing DOS,

 

Windows95/98, Windows NT, or other industry-standard operating systems to

 

load. If “Boot Method” is set to “Windows CE”, then the boot drive’s boot

 

record will not be used, and instead the BIOS will attempt to load and execute

 

the Windows CE Kernel file, NK.BIN, from the root directory of each boot

 

device.

Debugger

Launch the Integrated BIOS Debugger. To return to the boot process from the

 

debugger environment, type “G” at the debugger prompt and press ENTER.

MFGMODE

Initiate Manufacturing Mode, allowing the system to be configured remotely

 

via an RS232 connect to a host computer.

WindowsCE

Execute a ROM-resident copy of Windows CE, if available. This feature is not

 

applicable unless properly configured by the OEM in the BIOS adaptation.

DOS in ROM

Execute a ROM-resident copy of DOS, if available. This feature is not

 

applicable unless an XIP copy of DOS, such as Embedded DOS-ROM, has been

 

stored in the BIOS boot ROM. Copies of Embedded DOS-ROM may be

 

obtained from General Software.

None

No action; POST proceeds to the next activity in the sequence.

5.5Custom Configuration Setup Screen

The system’s hardware-specific features are configured with the Custom Setup Screen

(Figure 5-4). All features are straightforward except for the Redirect Debugger I/O option, which is an extra embedded feature that allows the user to select whether the Integrated BIOS Debugger should use standard keyboard and video or RS232 console redirection for interaction with the user. If no video is available, the debugger is always redirected.

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Celeron™ Processor Development Kit Manual

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Intel 273246-002 manual Configuring Boot Actions, Custom Configuration Setup Screen