some BIOSes have already been replaced with UEFI. AMI has been using it for
years, and now it is the only kind of "BIOS" supported in their diags suite.
ack! I wanted to have that suite someday for testing systems...
http://www.ami.com/products/product.cfm?CatID=3&SubID=23&ProdID=147
some manufacturers may still use legacy BIOS possibly, but it looks like things
are definitely moving towards UEFI+GPT.
for the DOS folk, this is maybe a wake-up call to start implementing
additional partitioning schemes? (by the way, the last version of fdisk I used
is broken, it started creating empty partitions)
I still have some utilities that are written in DOS+BIOS calls. so I am not
sure what to do next. I don't have $2500 lying about to implement UEFI API
calls (or is it $2500 to implement UEFI rather than call the Interface?).
What
think ye?
someone (me?) probably needs to contact UEFI and ask them if calling the API
requires a $2500 fee or not, and whether or not a .c/.cpp+.h source files are
available for the Interface.
GPT allows up to 128 partitions on a disk, whereas MBR only allows 4. BIOS
has
a limited number of functions, whereas UEFI can have its functionality
expanded
by placing it partially on a disk using a certain type of filesystem such as
FAT32.
there is a backup copy of the partition table in GPT in case of something
catastrophic.
The Mac also uses UEFI+GPT.
------------
Jim Michaels
jmich...@yahoo.com
j...@jimscomputerrepairandwebdesign.com
http://JimsComputerRepairandWebDesign.com
http://JesusnJim.com (my personal site, has software)
http://DoLifeComputers.JesusnJim.com (group which I lead)
---
Computer memory/disk size measurements:
[KB KiB] [MB MiB] [GB GiB] [TB TiB]
[10^3B=1000B=1KB][10^6B=1000000B=1MB][10^9B=1000000000B=1GB][10^12B=1000000000000B=1TB]
[2^10B=1024B=1KiB][2^20B=1048576B=1MiB][2^30B=1073741824B=1GiB][2^40B=1099511627776B=1TiB]
Note: disk size is measured in MB, GB, or TB, not in MiB, GiB, or TiB.
computer
memory (RAM) is measured in MiB and GiB.
------------------------------------------------------------------------------
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