Conventional Memories

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Index

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TECHNICAL NOTE (90000)

Summary: PARTITION ZAPPER
Date: September 29, 1995
Problem / Issue: Use of DOS Utility
Additional Information: None

HARD DISK PARTITION ZAPPER

For use by qualified computer service personnel only. This debug procedure will wipe out all disk partition(s) and data on a hard disk, including DOS, Xenix, and Novel Netware partitions. After Verifying you really want to do this enter DEBUG and duplicate the following exchange of entries and responses. When completed, reboot on a Toshiba DOS boot diskette, re-partition the drive using FDISK, and then format the drive (or go through the toshiba MS-DOS installation procedure as outlined in the manual).

****WARNING****

THIS PROCEDURE WILL ERASE ALL DATA ON THE HARD DISK

DEBUG EXCHANGE

COMMENTS
C> DEBUG ;type DEBUG from DOS and press enter
-a 100 ;type a 100 at debug hyphen and press enter
XXXX:0100 int 13 ;type int 13 and press enter
XXXX:0102 ;press enter
-rax ;type rax and press enter
AX 0000  
:0301 ;type 0301 and press enter
-rbx ;type rbx and press enter
BX 0000  
:200 ;type 200 and press enter
-f 200 L 200 0 ;type f 200 L 200 0 and press enter
-rcx ;type rcx and press enter
CX 0000  
:0001 ;type 0001 and press enter
-rdx ;type rdx and press enter
DX 0000  
:0080 ;type 0080 and press enter
-p ;type p and press enter (register contents displayed)
-q ;type q and press enter (quit)

Toshiba America Information Systems Inc. (" TAIS ") shall not be liable for damages of any kind for use of this information, Which is subject to change without notice. Copyright 1994, 1995 TAIS.