Problems with USB Booting

Hi,

I am using a SiS chipset and an AMD processor. I followed the
procedure mentioned in the help files for USB booting but in vain.
When I try to boot from USB, I see a Win XP boot screen and the usual
0x7B bug check code. It doesn't even try to run the FBA. When I tried
searching I found the below post by Dietmar, but unable to understand
how to add registry entries before FBA. Can some one help me??
------------------------------------------------------------------------
Dietmar's Post:
------------------------------------------------------------------------
Hi all,

the message through boot


NTLDR: Bad boot.ini found


belongs to the i875 chipset AND the
HP format utility. This message is gone if you use the FAT16 from
XP.
You will have no luck if you try to boot from
USB with OHCI USB driver (SIS Chipset) because there is no entry in
the
CriticalDeviceDatabase for it.
Also there is no entry for booting from USB 1.1.


For those people, add (doubleclick) the following to the registry of
your
USB bootdevice
BEFORE FBA name it Critica.reg in system AND system.sav


Windows Registry Editor Version 5.00


[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control
\CriticalDeviceDatabase]


[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase
\pci­#cc_0c0300]
"ClassGUID"="{36FC9E60-C465-11CF-8056-444553540000}"
"Service"="usbuhci"


[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\CriticalDeviceDatabase
\pci­#cc_0c0310]
"ClassGUID"="{36FC9E60-C465-11CF-8056-444553540000}"
"Service"="usbohci"


And also you have to add named serv.reg


Windows Registry Editor Version 5.00


[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\USBUHCI]
"Start"=dword:00000000
"Type"=dword:00000001
"ErrorControl"=dword:00000001
"ImagePath"=hex(2):73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,
00,64­,00,\


72,00,69,00,76,00,65,00,72,00,73,00,5c,
00,55,00,53,00,42,00,55,00,48,00,43,­\
00,49,00,2e,00,53,00,59,00,53,00,00,00
"Group"="Base"
"DisplayName"="USB 2.0 Bus Driver"
"Description"="USB 2.0 Bus Driver"


[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\USBOHCI]
"Start"=dword:00000000
"Type"=dword:00000001
"ErrorControl"=dword:00000001
"ImagePath"=hex(2):73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,
00,64­,00,\


72,00,69,00,76,00,65,00,72,00,73,00,5c,00,55,00,53,00,42,00,4f,
00,48,00,43,­\
00,49,00,2e,00,53,00,59,00,53,00,00,00
"Group"="Base"
"DisplayName"="USB 2.0 Bus Driver"
"Description"="USB 2.0 Bus Driver"


After that, copy the drivers usbohci.sys and
usbuhci.sys to windows\system32\drivers.


Good luck
Dietmar
--------------------

Regards,
AGR

.

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