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jack23912 / grub4dos-chenall

Automatically exported from code.google.com/p/grub4dos-chenall
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MS-DOS 6.22 FAT16 63Hd/32spt does not boot using chainloader /io.sys #79

Closed GoogleCodeExporter closed 8 years ago

GoogleCodeExporter commented 8 years ago 
What steps will reproduce the problem?
1. See http://reboot.pro/16365/page__view__findpost__p__148787
2.
3.

Prepare DOS6.22 bootable drive.image with 63hd 32 secpertrack geometry
add IO.SYS, MSDOS.SYS, COMMAND.com - check it boots.
Now install grub4dos - boot - type chainloader /io.sys - boot - it will hang!
Repeat using 255x63 ptn geometry - it will boot.

What is the expected output? What do you see instead?
Should boot regardless of geometry.

What version of the product are you using? On what operating system?

Please provide any additional information below.

Original issue reported on code.google.com by Steve6375 on 22 Feb 2012 at 10:35

GoogleCodeExporter commented 8 years ago 
[deleted comment]
GoogleCodeExporter commented 8 years ago 
This issue only occurs under QEMU and is fixed by using
geometry --bios --sync
chainloader /io.sys

If use on real system then do not need geometry sync.

Original comment by Steve6375 on 22 Feb 2012 at 1:59

GoogleCodeExporter commented 8 years ago 
Can close this - it is a QEMU problem - older versions of QEMU work.

Original comment by Steve6375 on 23 Feb 2012 at 10:23

GoogleCodeExporter commented 8 years ago 
okay. Thanks.

Original comment by tinyb...@gmail.com on 23 Feb 2012 at 3:10