Archived from groups: alt.sys.pc-clone.compaq (
More info?)
Interesting. I can't imagine how they can magically do address translation
without a performance hit, but.....
"Boenospam" <boebear@ynospamahoo.com> wrote in message
news:vjeWc.10305$wP7.758@newssvr27.news.prodigy.com...
> Tom thanks for your replies - they help.
>
> According to Seagate, the DDO does not affect performance. Here's their
> statement on it. So my question back to you is why do you say it's slow?
>
> "... Note: It is a common misonception that the DDO is some kind of
> memory
> resident program or that it has the potential to slow disc access by being
> in memory. Like all BIOS routines, the DDo is discarded from memory
> after
> about 4 seconds into the launch of the operating system when the 32-bit
> direct access device drivers take over. The DDO exists only to detect
> and then present the full capacity of the disc drive to these operating
> system device drivers...." Source: www.seagate.com
> "Windows 137GB Capacity Barrier Ver 1.0"
>
>
>
>
>
> Tom Scales wrote:
>> "Boenospam" <boebear@ynospamahoo.com> wrote in message
>> news:yr_Vc.6559$QJ3.4046@newssvr21.news.prodigy.com...
>>
>>>Thanks HH. It also seems like Compaq is not offering a BIOS upgrade to
>>>this system that does support LBA
.
>>>
>>>1. So what if I upgrade to XP - does that have native 48 bit LBA
>>>regardless of my BIOS or IDE controller?
>>
>>
>> No
>>
>>
>>>2. It appears that Seagate offers this DDO (Dynamic Drive Overlay). From
>>>what I can best tell, it gets around the lack of LBA support in the BIOS,
>>>but I'm still confused about the Win ME OS in this case. Any ideas?
>>>
>>
>>
>> Works, slowly
>>
>>
>>
>>>3. Would buying a ATA PCI controller card fix the problem for LBA
>>>support without any other changes?
>>>
>>
>>
>> Yes
>>
>>
>>
>>>HH wrote:
>>>
>>>
>>>>I doubt a Jan 2001 release PC would have the necessary 48-bit LBA to
>>>>allow
>>>>installation of a drive larger than 127GB, not 137GB, as you noted.
>>>>You're
>>>>probably limited to the 120GB drives.
>>>>HH
>>>>
>>>>"Boenospam" <boebear@ynospamahoo.com> wrote in message
>>>>news:eZZVc.6555$QJ3.5032@newssvr21.news.prodigy.com...
>>>>
>>>>
>>>>>to a 7000US system and of course get the full 160Gb (beyond the 137Gb
>>>>>37
>>>>>bit limit)? I understand a system needs to have LBA Addressing
>>>>>support,
>>>>>but I cannot determine if mine has that or not. I've looked at all the
>>>>>diagnostic reporting tools I could find and went through all the BIOS
>>>>>settings and displays, but nothing.
>>>>>
>>>>>Also, if I can get the hardware to recognize it, will WinME handle it
>>>>>with FAT32? If not, what XP file system should I be looking at?
>>>>>
>>>>
>>>>
>>>>
>>>>
>>
>>
>