Displaying 4 results from an estimated 4 matches for "e00h".
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e000
2009 Mar 30
0
[PATCH 0/1] Add Diagnostic MBR for trouble-shooting
...rts the magic bytes and
and read-sector error code.
Holding down a shift key during boot will force CHS mode even if LBA is
detected.
Detailed information on reported data and usage is in the header commentary
of mbr/mbr-diag.S; here is an example:
DIAG L D80h C3FFh H10h S3Fh P1 O00000020 MAA55h E00h
which means:
[L]BA addressing mode (alternative is [C]HS),
[D]isk 0x80,
[C]ylinders 0x3FF,
[H]eads 0x10,
[S]ectors 0x3F,
[P]artition active 1,
[O]ffset to boot-sector 0x00000020,
[M]agic bytes (of boot-sector) 0xAA55,
[E]rror code (from AH=0x42/0x02, int 0x13) 0x00
TJ (1):
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2009 Mar 30
0
[PATCH 0/1] v3: Add Diagnostic MBR for trouble-shooting
...tected. Holding down a Ctrl key will force loading the boot-sector
from the first hard-disk regardless of the BIOS drive-number in DL.
Detailed information on reported data and usage is in the header
commentary
of mbr/mbr-diag.S; here is an example:
DIAG L D80h C3FFh H10h S3Fh P1 O00000020 MAA55h E00h
which means:
[L]BA addressing mode (alternative is [C]HS),
[D]isk 0x80,
[C]ylinders 0x3FF,
[H]eads 0x10,
[S]ectors 0x3F,
[P]artition active 1,
[O]ffset to boot-sector 0x00000020,
[M]agic bytes (of boot-sector) 0xAA55,
[E]rror code (from AH=0x42/0x02, int 0x13) 0x00
TJ (1):
Ad...
2009 Mar 30
2
[PATCH 1/1] v2 Add Diagnostic MBR for trouble-shooting
...e is reset to 0xDEAD before the sector is read
+ to avoid inheriting the MBR magic on error
+ E error error code returned by BIOS 'read sector' interrupt (0x02 or 0x42, int 0x13).
+ '??' if no active partition.
+
+ Examples:
+ L D80h C3D9h HFFh S3Fh P1 O00000020h MAA55h E00h
+ C D80h C3D9h HFFh S3Fh P1 O00000020h M0000h E04h
+
+ Usage:
+ # set device to write diagnostic MBR to
+ DEV=/dev/sdc
+ # back-up existing MBR
+ sudo dd if=$DEV of=mbr-backup.bin bs=440 count=1
+ # write diagnostic MBR to device
+ sudo dd if=mbr-diag.bin of=$DEV
+ # example: test in a virtual mach...
2009 Mar 30
0
[PATCH 1/1] Add Diagnostic MBR for trouble-shooting
...r (sector <offset> as read by BIOS)
+ value is reset to 0000 before the sector is read, to avoid inheriting the MBR magic on error
+ E error error code returned by BIOS 'read sector' interrupt (0x02 or 0x42, int 0x13)
+
+ Examples:
+ L D80h C3D9h HFFh S3Fh P1 O00000020h MAA55h E00h
+ C D80h C3D9h HFFh S3Fh P1 O00000020h M0000h E04h
+
+ Usage:
+ # set device to write diagnostic MBR to
+ DEV=/dev/sdc
+ # back-up existing MBR
+ sudo dd if=$DEV of=mbr-backup.bin bs=440 count=1
+ # write diagnostic MBR to device
+ sudo dd if=mbr-diagnostic.bin of=$DEV
+ # example: test in a virtua...