Data recovery and disk repair questions and discussions related to old-fashioned SATA, SAS, SCSI, IDE, MFM hard drives - any type of storage device that has moving parts
May 31st, 2026, 14:44
Hello everyone, I would like to ask how to convert Dell fwh firmware files into lod files.
- Attachments
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- EAL6.zip
- (1.41 MiB) Downloaded 7 times
May 31st, 2026, 15:27
Delete DEL header.
- Attachments
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- EAL6.zip
- (1.43 MiB) Downloaded 5 times
May 31st, 2026, 17:46
SWM wrote:Delete DEL header.
Does it matter that your edit effectively results in the digital signature (at the end of .fwh) now falling outside the range of the .LOD file?
- Code:
Offset(h) 00 04 08 0C
00000100 E71A0E59 01000200 00000000 00001900
00000110 00000000 00000000 00000000 00000000
00000120 00000000 00A02400 00000000 00000000
^^^^^^^^
size of payload = 0x24A000
00000130 00000000 00000000 00000000 0000CBEB
- Code:
Offset(h) 00 04 08 0C
00000140 00000000 00000000 00000000 00000700
00000150 40010000 00000000 00000000 00000000
00000160 00000000 009E2400 00000000 00000000
^^^^^^^^
size of payload = 0x249E00
00000170 00000000 00000000 00000000 00009560
June 1st, 2026, 1:03
SWM wrote:Delete DEL header.
Dear Mr. SWM, how do you do? I have deleted the DEL header according to your method, but I still can't update the firmware. Is this due to a lack of verification? Could you please check it for me? The lod file I generated is as follows.
- Attachments
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- EAL6 Modified.zip
- (1.41 MiB) Downloaded 3 times
June 1st, 2026, 11:25
I would strip off the first 0x100 bytes. That said, I wouldn't use Dell firmware on a standard retail drive or any non-Dell drive. A firmware update typically targets only a few of the many firmware modules, so you may introduce compatibility problems with existing modules.
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