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Date:	Tue, 02 May 2000 23:49:47 +0100
To:	djgpp AT delorie DOT com
From:	Michelle Konzack <starone AT cybercable DOT fr>
Subject:	Re: Partition problem...
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At 13:46 02.05.2000 GMT, you wrote
--------> This was the original Message:
>	if exist f:\michelle.2nd goto OK_2nd_drive_is_there
>	
>	rem handle the problem, here
>	rem (may be impossible to handle, in which case you'll have to
>        rem  throw an error message and refuse to go on)
>
>	:OK_2nd_drive_is_there

Hi Hans-Bernhard,

I have done this already...
It give me a system error

A(bbrechen) W(iederholen) U(ebergehen)

And then I hab´ve found this on a Web-Site:

*Registers used:  (F)loppy  (H)ard drive
          AL - number of sectors to verify
          AH - (04h) service number for interrupt 13h
          CH - cylinder number (F)
                 low-order 8 bits of cylinder number (H)
          CL - sector number (F)
                 high-order 2 bits of cylinder number,
                 plus 6 bit sector number (H)
          DL - drive number
                 0 - A:, 1 - B:, 80h - first hard drive (C:)
          DH - head number
          BX - not used for verifying sectors

        On return, if carry flag then error.

*Using in a .bat file
          You can use this in a batch file.
          Chkdsk returns a 0 in DOS' ERRORLEVEL if disk ready
          Chkdsk returns a 1 in DOS' ERRORLEVEL if disk NOT ready
        Example:

          Chkdsk
          @if ErrorLevel == 1 goto error
           .
           .do normal disk operation
           .
          goto end
          :error
            .
            .do what ever error handling wanted
            .
          :end


Assemble with NBASM 00.23.xx


.MODEL tiny
.CODE
	org 100h
	
	mov	ah,04h		; Verify Disk Sectors
	mov	al,01h		; Amount to verify
	mov	ch,01h		; High order cylinder number (8 bits)
	mov	cl,01h		; Sector Number in bits 0-5
	xor	dl,dl		; use drive A:
	xor	dh,dh		;    remaining 6-7 bits are low order for CH
	int	13h		; DH is the head number
	xor	al,al 		; DOS' ERRORLEVEL
	jnc	Done		;
	mov	dl,07h		; simple beep
	mov	ah,02h		;
	int	21h		;
	mov	al,01h		; DOS' ERRORLEVEL
Done:	mov	ah,4Ch		; exit to DOS
	int	21h		;
.end				; End of assembly code


But I stand on my line and I do not know, how to use it...

Michelle


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----------------------------------------------------------------------------
Linux rebootet man in drei Fällen: 
Neuer Kernel, neue (Board-)Hardware, Stromausfall....

Aber Windows rebootet man auch in drei Fällen: 
Schutzverletzung, Bluescreen, keinen Bock...

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