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error 21: disk not found after boot using plop

plop grub4dos xp iso

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#1 vlad2005

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Posted 01 January 2015 - 11:26 AM

Hi!

I make an usb flash with grub4dos and some iso linux, hiren and windows xp iso. My flash drive is kingston fury USB 3.0 (16Gb).

An older laptop boot slowly this flash so after some reading, I decide to use plop.

Everything is fine, my flash boot fast now, but only problem is with my xp iso.

When load windows xp iso without plop, everything work well (and of course slow).

When load first plop, then xp i got error 21: disk not found ....
I see that when boot with plop i have two drives pointing to usb flash drive, so maybe here is some catch.

This is menu part about booting windows xp:

title Start Windows XP setup (first stage)
map --mem /winvblock.ima (fd0)
map --mem /winvblock.ima (fd1)
map /winxp.iso (0xff)
checkrange 0x80 read 0x8280 && map (hd0) (hd1)
checkrange 0x80 read 0x8280 && map (hd1) (hd0)
map --hook
chainloader (0xff)


title Continue Windows XP setup (second stage)
map --mem /winvblock.ima (fd0)
map --mem /winvblock.ima (fd1)
map /winxp.iso (0xff)
checkrange 0x80 read 0x8280 && map (hd0) (hd1)
checkrange 0x80 read 0x8280 && map (hd1) (hd0)
map --hook
chainloader (hd0)+1

I try'it to change "(hd0) (hd1)" to "(hd1) (hd2)" but still got same error.

Any suggestion?

 

Thanks in advance!

 



#2 steve6375

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Posted 01 January 2015 - 12:02 PM

Try adding

find
map --status
pause

at the start of the menu and try without loading Plop and after loading Plop - do you see a difference?

 

Also try using grub4dos 0.4.6a and add

usb --init

to the first line (top) of your menu. This will use the grub4dos USB 2.0 driver instead of Plop.



#3 vlad2005

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Posted 07 January 2015 - 11:35 AM

Hi!

I apologize for the delayed response!

First, plop not work very well on my laptop (HP NX9420). Sometimes detec usb, sometimes no. Today did not work at all. But i try'it on another laptop and find that at first boot i have these drives:

hd(0,0)

hd(1,0)

hd(1,2)

hd(1,4)

hd(1,5)

At second boot, every entry with 1 change to 2.

Also i try'it grub 0.4.6 with usb --init option. On my laptop don't see any difference in speed. Still load very slow. 



#4 steve6375

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Posted 07 January 2015 - 11:40 AM

in your menu you have

 

map (hd0) (hd1)

 

but you say after loading Plop you do not have (hd1) - so you will get an error.

 

So try replacing all (hd1) with (hd2)

 

map (hd0) (hd2)

title Start Windows XP setup (first stage)
map --mem /winvblock.ima (fd0)
map --mem /winvblock.ima (fd1)
map /winxp.iso (0xff)
checkrange 0x80 read 0x8280 && map (hd0) (hd2)
checkrange 0x80 read 0x8280 && map (hd2) (hd0)
map --hook
chainloader (0xff)

It is common sense - is it not?



#5 vlad2005

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Posted 15 January 2015 - 11:34 AM

I try'it your suggestion but when boot to xp system freeze at "inspecting ......". Does not pass this stage.

So i give up, because plop sometimes work, sometimes not. Is not an solution.

I will use an older usb drive to install xp on older computers.

 

Thanks for your reply!







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