Adaptec 2940U - AHA Storage Controller Ultra SCSI 20 MBps Información técnica descargar pdf (Pagina 173)

Chapter 7 Troubleshooting the System 159

When you first start a MetaFrame server, the system loader (NTLDR) reads the

Boot.ini file in the system partition. Boot.ini defines what items will be listed in

the boot menu and how NTLDR will start each item. Here is a sample Boot.ini

file:

[boot loader]

timeout=30

default=multi(0)disk(0)rdisk(0)partition(1)\Winnt

[operating systems]

multi(0)disk(0)rdisk(0)partition(1)\Winnt="Microsoft Windows 2000

Advanced Server" /fastdetect

The line immediately following the [operating systems] section describes the path

NTLDR uses to boot this particular installation of Windows 2000. For the purpose

of this document, this line is referred to as the boot line. The boot line in this

example shows that the Windows 2000 server is installed in the \Winnt directory

on the first partition (partition 1) of the first disk (disk 0).

The target computer is placed in debug mode by setting one or more of the

following switches in the boot line in Boot.ini.

Boot.ini Debugger Switches

The following Boot.ini switches are used to enable the kernel debugger on the

target computer:

/Debug Causes the kernel debugger to be loaded during boot and kept in

memory at all times. This allows a support engineer to break into

the target computer at any time, even if the system is not

suspended at a kernel STOP (blue) screen.

/Crashdebug Causes the kernel debugger to be loaded during boot but swapped

out to the pagefile after boot. In this mode, a support engineer can

break into the debugger only if the target computer is suspended at

a kernel STOP (blue) screen.

/Baudrate=value Determines the speed at which the target computer communicates

with the host computer. The default value is 19200 bps. For a

remote debug configuration, set the value for 9600 bps. This

switch also forces /Debug mode.

/Debugport=COMx Specifies the serial port used for the kernel debugger on the target

computer, where x is the communications port to use. If no serial

port is specified, the kernel debugger defaults to COM2. Like

/Baudrate, this switch also forces /Debug mode.

Boot.ini Changes

Because the Boot.ini file usually has the Hidden, System, and Read-only file

attributes set, these attributes must be manually unset and then reset after editing.

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Adaptec 2940U - AHA Storage Controller Ultra SCSI 20 MBps Información técnica Pagina 173