DOS ain't dead

Considering DOS (now FreeDOS) Part 3 - LBA48 and > 128 GiB (Users)

posted by DOS386, 08.08.2011, 03:34

> So I shrunk my XP partition and created a FAT32 partition at the 'end' of
> the HD, this partition becoming D:

Is it a primary partition visible in the MBR, rather than a "logical" partition inside an extended partition ?

> I then tried to boot from the FreeDOS Base CD

What one ?

> and got the message
> "InitDiskWarning : Partition ID does not suggest LBA to access partition
> C:. Invalid Opcode" + a string of hex digits (obviously FreeDOS can't see
> the XP C: partition and is looking at the 'new' D: partition, as expected

BUG

> So, checking the documentation for my partition software regarding LBA, it
> basically stated that I needed to make changes in the BIOS, albeit with
> dire warnings about possible data corruption.

Size of your HD ? I suspect > 128 GiB, so the warn is about LBA48 vs LBA28 ...

> But, being an adventurous
> sort, I rebooted, had a look in the BIOS and there's no reference to LBA.
> However there is a reference to having SATA enabled with the message
> "Disabling SATA may be necessary when a legacy OS is used"

Your PC seem to be to new for CHS vs LBA issues ... but maybe FreeDOS could work with SATA too (via BIOS) ?

Anyone tested FreeDOS with LBA48 and > 128 GiB disks ? I don't have such stuff

The other solution is to get another HD, and put FreeDOS onto it (HD0 XP | HD1 FreeDOS).

---
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Complete thread:

• Considering MS-DOS (now FreeDOS) - Part 3 - paulrichards, 08.08.2011, 03:11 (Users)
  • Considering DOS (now FreeDOS) Part 3 - LBA48 and > 128 GiB - DOS386, 08.08.2011, 03:34
    • Considering DOS (now FreeDOS) Part 3 - LBA48 and > 128 GiB - paulrichards, 08.08.2011, 03:51
      • Considering DOS (now FreeDOS) Part 3 - paulrichards, 08.08.2011, 12:36
        • Considering DOS (now FreeDOS) Part 3 - SOLVED - paulrichards, 08.08.2011, 23:37
        • Considering DOS (now FreeDOS) Part 3 - DOS386, 08.08.2011, 23:39
          • Considering DOS (now FreeDOS) Part 3 - paulrichards, 09.08.2011, 04:18
            • Considering DOS (now FreeDOS) Part 3 - Rugxulo, 10.08.2011, 04:48
              • Considering DOS (now FreeDOS) Part 3 - paulrichards, 10.08.2011, 06:27
                • Considering DOS (now FreeDOS) Part 3 - Rugxulo, 10.08.2011, 14:32
                  • Considering DOS (now FreeDOS) Part 3 - paulrichards, 10.08.2011, 15:40
                • Considering DOS (FreeDOS) Part 3 | GAGA real/unreal "C:\" - DOS386, 17.08.2011, 09:20
                  • Considering DOS (FreeDOS) Part 3 - paulrichards, 17.08.2011, 23:02
                    • Considering DOS (FreeDOS) Part 3 - Rugxulo, 18.08.2011, 01:59
                      • Considering DOS (FreeDOS) Part 3 - paulrichards, 19.08.2011, 05:34