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Allow Boot Item to insert MBR entries from GPT.
Posted: Tue Mar 10, 2026 8:32 am
by geos_one
Is There a way to add Support for GPT/MBR to bootIT UEFI as there is now CSMWrap; it is now possible to start dos and windows 98 windows me ...
but for this to work the DOS based systems only can handle MBR but new motherboards only boot uefi on gpt motherboards so a circular problem.
adding GPT to MBR in Boot Item would be a cool addition.
Re: Allow Boot Item to insert MBR entries from GPT.
Posted: Tue Mar 10, 2026 4:17 pm
by TeraByte Support
Yes, we have plans to change boot edit to allow filling the MBR entries (up to 3 since the GPT Reserved will stay) that fit within 2TiB.
However, right now you can still do it via Partition Work / View MBR. Don't forget to set it active.
Re: Allow Boot Item to insert MBR entries from GPT.
Posted: Wed Apr 08, 2026 2:11 pm
by geos_one
thx bit its a little complicated to do it via partitonworks
mbr:
dos
os2
windows98
winxp
gpt:
linux
windows 10
switchiong the mbr for all the os is complicated
a retro machine
Re: Allow Boot Item to insert MBR entries from GPT.
Posted: Wed Apr 08, 2026 2:15 pm
by TeraByte Support
the gpt reserved will have to remain so you'd have up to 3. if you do have an mbr/embr drive boot edit will already allow filling / changing entries.
Re: Allow Boot Item to insert MBR entries from GPT.
Posted: Sun Sep 20, 2026 12:45 pm
by geos_one
is there a timeframe when the uefi loade gets the set active / hybrid mbr
Re: Allow Boot Item to insert MBR entries from GPT.
Posted: Sun Sep 20, 2026 3:29 pm
by TeraByte Support
you can already setup the boot item with mbr entries a couple of versions ago.
https://www.terabyteunlimited.com/upgra ... otit-uefi/