A20 Debug: C806 done!
Posted 30 July 2012 - 04:56 PM
You need to enter into grub4dos by using syslinux and "kernel /grub.exe" and issue the "cat --hex (md)+1,128" command at the grub prompt.
do not start dos in any way during this test.
Posted 30 July 2012 - 05:21 PM
there is no problem with int0C. All hardware INTs from 08 to 0F are pointing to ROM F000:XXXX, so it should not fail at INT0C.
Could you please post a screen shot showing the hangup at 0C? Note: do not load device drivers or TSRs before grub.exe.
Posted 30 July 2012 - 05:32 PM
according to your picture, it should not fail at this point. So I need to see your failure screen and confirm it.
If you can confirm now, then you need not post the screen shot.
Can you confirm the following is the message at failure?
00 01 02 03 04 05 06 07 08 09 0A 0B 0C_
(Of course grub.exe should be started from FreeDOS and CONFIG.SYS / AUTOEXEC.BAT are both not present.)
Posted 30 July 2012 - 05:48 PM
can this error due to Atom +8gb of ram?
Posted 30 July 2012 - 05:54 PM
You failed pass the command-line parameter of --config-file=.... to grub.
You might have a typo.
It should have nothing to do with Atom CPU and your 8G RAM.
Posted 30 July 2012 - 05:58 PM
After i make others tests
Posted 30 July 2012 - 06:07 PM
good BIOSes can access USB with LBA mode and will seldom encounter failure.
An Not-So-Good BIOS can only access USB with CHS mode, and will have less ability to access the USB media, thus will encounter various problems.
CHS mode accessibility can only reach 8G of the USB media, or even much less.
Posted 30 July 2012 - 07:11 PM
This is an example
I added in autoexec.bat the line
and now works fine.
Posted 30 July 2012 - 07:33 PM
Works fine and...don't works fine ...as random
at first boot appears freezed, reboot...works very fine
Edited by davidecosta, 30 July 2012 - 09:52 PM.
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