re: Using a Hard Disk exceeding 137GB with USB
Friday, May 22, 2009 at 3:40 pm Windows Me Annoyances Discussion Forum
Posted by C K
(6525 messages posted)
I've had one more expensive USB enclosure that seemed to work well with a 200 gig
drive on Win 98/ME with USB 2.0 drivers installed for the card. The cheaper/generic
enclosures had a tendancy to corrupt the entire drive so that nothing was recoverable.
http://www.48bitlba.com/usbharddrives.htm
WIN 9X doesn't natively support 48 bit addressing from IDE or USB. The drivers that
come with an enclosure to support Win 98 aren't all that stable I have found.
Without proper 48 bit support in drivers, it makes no difference to partition since
anything above the 137 limit needs 48 bit addressing to be available. Partitioning
120 and 80 won't help as part of the 80 gig will be above the 137 gig addressing
limit. you could start out on the 80 just fine and then sometime down the road the
drive corrupts when you start addressing where 48 bit is required to work, at least
in my tests.
DDO is designed for a non 48 bit controller as it is software that must run between
your controller and it's drivers. DDO was made for IDE contollers on the motherboard
and since a USB drive (with a PATA drive) will already have a 48 bit controller in
it, DDO will not even do any good, and may in fact cause some issues.
I have used a USB 2 card with fairly stable drivers (for Win 98) to connect a USB
2 enclosure with a SATA drive, and it functioned the same as a PATA drive. Problem
is that I have found no USB 2 drivers for Win 98 or ME that I would trust long term.
Win 9X can be so unstable sometimes that I wouldn't count on it for non-replaceable/critical
data long term. It is a matter if when, not if a case of corruption will occur IME.
Manufacturers just aren't concerned enough to spend a lot of time on drivers for
out of date op systems and the hardware may not be conpatible at all in the future.
Much of it isn't now for Win 9X. It's not just a driver issue anymore.
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 |  | re: Using a Hard Disk exceeding 137GB with USB (C K: Fri, May 22, 2009, 3:40 pm) |
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