750GB limit? Why?

  • Thread starter Thread starter larry moe 'n curly
  • Start date Start date
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larry moe 'n curly

Why do some older hard drive controller BIOSes have problems with
drives larger than about 750GB or 1TB? IOW why are there limits at
750GB and 1TB, as there are at 8.4GB and 137GB?

Some affected controllers use the VIA 6420, 6421, and 8237x SATA chips
or Silicon Image 680 PATA chip. Silicon Image released a BIOS update
to take care of a 1TB limit on RAIDs.
 
larry moe 'n curly said:
Why do some older hard drive controller BIOSes have problems with
drives larger than about 750GB or 1TB? IOW why are there limits at
750GB and 1TB, as there are at 8.4GB and 137GB?
Click to expand...
Some affected controllers use the VIA 6420, 6421, and 8237x SATA chips
or Silicon Image 680 PATA chip. Silicon Image released a BIOS update
to take care of a 1TB limit on RAIDs.
Click to expand...

There should not be a limit in that range. The next one
is 32 bit (SCSI) sector numbers with 512 byte sectors,
i.e. 2TiB. I am not disputing your statement, I just do not
see a good explanation. Maybe planned obsolence?

Arno
 
There should not be a limit in that range.
Click to expand...

There is anyway.
The next one is 32 bit (SCSI) sector numbers with 512 byte
sectors, i.e. 2TiB. I am not disputing your statement, I just
do not see a good explanation. Maybe planned obsolence?
Click to expand...

Mindless conspiracy theory. Its MUCH more likely that someone ****ed up.
 
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