China DOS Union

Ordinary Linux/Windows installation discs cannot be emulated and booted in this way because this mapping is based on real mode. After booting, it will be the same as isoemu in not finding the disc (for example, Windows installation will have a blue screen of 0x7b). Only DOS/win9x discs and PE discs based on ramdisk support such emulation.

By the way, Vista installation discs can also be emulated and booted (but it is very difficult to store such a large iso file continuously).

Just tested, there's no problem with booting from the hard drive, but when booting from the USB drive, Chinese characters are not visible and become garbled. I had no problem with versions 10-15. I would like to ask Brother Budian, what's the matter?

Mainboard 845GV
Cannot pass through on the hard disk, map (hd0,0)/myiso.iso (hd32) all have ERROR:60 uniformly
map --mem (hd0,0)/myiso.iso (hd32) all have ERROR:21
The system disk is in FAT32 format.
But with a USB flash drive, 1GB capacity, FAT format, map (hd0,0)/myiso.iso (hd32) can pass through, the same files are used before and after. They are respectively MS DOS71 installation disk, 1-key GHOST CD version, WINPE070408 CD version, and can normally enter the PE system. There is no problem of file continuity in any ISO image. It has been tried to delete or add files with ULTRAISO, and all can boot.

[ Last edited by loveheartrain on 2007-11-19 at 08:42 PM ]

Those reporting contiguous errors indicate that the file is non-contiguous. You need to organize the fragments.

Also, starting from November 5th, code for automatically adjusting disk CHS parameters has been added. This code is only preliminary, so it may also go wrong. It will be improved next.

WINPE070408 CD version can normally enter the PE system

Thank you for providing this information.

Test successful

In Deep Mountain Red Leaf V30, it just can't modify the built-in menu...

Depressed...

Support or not. Unexpectedly, my suggestion was implemented so quickly, but from the feedback of netizens, further improvement is still needed.

Finally support ISO emulation, strongly support

VIA P4X266

Laomaotao BootCD_070911.ISO

Based on Vista PE2.0 VistaPE.iso (184MB)

Determine that the 2 ISO files are continuous

find --set-root /BootCD_070911.ISO
savedefault --wait=2
map /BootCD_070911.ISO (hd32)
map --hook
chainloader (hd32)
boot

find --set-root /VistaPE.iso
savedefault --wait=2
map /VistaPE.iso (hd32)
map --hook
chainloader (hd32)
boot

The real location (hd0,7) both can be successfully booted

Today I tried the ISO function. It's great.
Tested Lao Maotao's version 111 WinPE (45MB) and Tianfeng's ramxp (209MB), all successful.
Found that the speed of booting Tianfeng's ramxp is much faster than Lao Maotao's PE, taking only 60% of the time of version 111.

Hehe, this function is really, really great. I'm liking grub more and more!

Test environment: HP 3145AU notebook, Phoenix BIOS, 1.18G physical memory

menu.lst settings:
title Run ISO
map --mem (hd0,0)/myiso.iso (hd32)
map --hook
chainloader (hd32)
boot

Report test results:
The old nine's winpe.iso, Microsoft's Winxp.iso, and the Ghost_XPSP2_V1.2.iso made by the Tornado Forum DOZ
When booting the three respectively, two lines of prompts appear:
Autodetect numer-of-heads failed. use default value 255
Autodetect Sectors-per-track failed. use default value 63

I don't understand, please the landlord teach.

Except that Microsoft's ISO cannot boot, the other 2 also although the above prompts appear, but can start and use normally.

Microsoft's ISO cannot boot, after restarting the computer, the action of Checking file system on C: appears, I don't know why.

Motherboard 845GV, memory 256MB
Used on the hard drive
map --mem /myiso.iso (hd32)
map --hook
chainloader (hd32)
boot
Can boot the CD image in the first partition and enter the WINPE system, no longer getting ERR:60 and ERR:21
Used on the hard drive
find --set-root /bf/myiso.iso
map --mem /bf/myiso.ISO (hd32)
map --hook
chainloader (hd32)
boot
Can boot the CD image in the BF folder of other partitions and enter the WINPE system, no longer getting ERR:60 and ERR:21
The size of the used CD image is 34.7MB, the boot menu is manually made with EZBOOT, and the boot object is WINPE.

[ Last edited by loveheartrain on 2007-11-21 at 08:12 PM ]

The winpe.iso on the USB flash drive can boot, and Tianfeng's ramxp.iso restarts automatically (the prompt is "iso9600..." which is not very clear).

Just now I tested grub4dos-0.4.3-2007-11-23,

Autodetect numer-of-heads failed. use default value 255
Autodetect Sectors-per-track failed. use default value 63

These two lines are no longer displayed.

Whether the ISO file is in the root directory of a FAT partition or an NTFS partition, booting with grldr is normal. GRUB is great!

[ Last edited by martin325 on 2007-11-23 at 04:19 PM ]

Report:
I have no problem booting PE and the boot disk made by EZboot from the hard disk with grub, but there is an error when booting from the USB flash drive.
My USB flash drive is formatted as USB-HDD boot, and menu.lst is written like this
title Run CD WinPE
map --mem (hd0,0)/BOOT/grub/winpe.iso (fd0)
map --hook
chainloader (fd0)
boot

First, two lines of English appear:
Autodetect number-of-heads failed Use default value 2
Autodetect sectors-per-trackds failed Use default value 63
After a few minutes, it prompts Error1: filename must be either an absolute pathname orblocrlist
press any key to continue...
Dear brothers, how to solve it, thank you first.......

[ Last edited by ad1234sl on 2007-11-23 at 08:30 PM ]

LS should be to change (fd0) to (hd32), right?