[SunHELP] U10 IDE controller limit?
markbenson at mac.com
Sat Apr 29 03:19:04 CDT 2006
On 29 Apr 2006, at 03:00, Luc I. Suryo wrote:
> correct, it's because the IDE controller used, it will allow 128GB
> max I
> posted this info years ago i forgot the exact detail but is due the
> of the HW addressing controller, it will allow up to 128GB so it's
> a physical limitation... but what you can do it get a supported
> SCSI and then use a smal disk (18GB ide for the root disk and
> else SCSI.. or even better a controller that support boot in the U10.
The reason is because the U5/U10 boards don't support UDMA ATA
versions. ATA100 is required to access drives up to 400GB, or ATA133
is able to access larger drives but I don't know what the upper limit
on it is.
You'd be much better throwing a PCI SCSI card in and using that with
some 68-pin drives, my Ultra 5 bogs down heavily on disc accesses
because of the constant CPU polling from the IDE controller.
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