I'm not myself a SCSI expert.
I sought advice on what to buy (before I purchased my LVD drive)
from the aic7xxx mailing list and was told specifically that I
should buy an LVD drive to get more performance later on when if
I get a new controller (perhaps with a new computer). I was
assured
Not a driver bug. Western Digital's technical support spake thusly. Foo.
OTOH, a Tekram DC390U2W dual-channel would knock me back about $160.
Kernel config suggests this should be an NCR 8xx-based controller, so I'm
happy with that.
On Wed, 24 May 2000, Peter S Galbraith wrote:
I'm not
Sorry, but this is rubbish! The SCSI controller will have no effect on the
disk rotational velocity. However this is not what the poster asked! If
you put an Ultra 2 wide on a non wide channel the transfers will be eight
bits at a time instead of 16, i.e. half the speed, but it will work
fine.
On Tue, May 23, 2000 at 11:05:42AM +0100, John Gould wrote:
Sorry, but this is rubbish!
Yep.
The only thing that I had to add is that if you hang a UW device on
the same chain as your U2W device, your U2W device will transfer at UW
rates.
(which is why I had to send back my plextor-40wide,
On Tue, 23 May 2000, John Gould wrote:
Sorry, but this is rubbish! The SCSI controller will have no effect on the
disk rotational velocity. However this is not what the poster asked! If
you put an Ultra 2 wide on a non wide channel the transfers will be eight
bits at a time instead of 16,
Sorry,
I misspoke, I meant the data rate not the spin of the hard disk.
Dan
Nathan E Norman [EMAIL PROTECTED] wrote:
[Non text/plain message body suppressed]
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Yes, I believe you can. You can set the transfer speed in the
setup of the AHA2940 card from CNTRL-A at boot up. You can also use SCA
drives with either UW or U2W, if you can obtain these. They have 80 pins
and need external termination and ID setting, but there is an adaptor that
you can buy for
Isn't ultra2 usually LVD interface? If it is LVD you probably won't be
able to use it on the narrow channel. If it isn't LVD, where do you find
these drives?
On Tue, 23 May 2000 [EMAIL PROTECTED] wrote:
On Tue, 23 May 2000, John Gould wrote:
Sorry, but this is rubbish! The SCSI controller
[EMAIL PROTECTED] wrote:
Isn't ultra2 usually LVD interface? If it is LVD you probably won't be
able to use it on the narrow channel.
Not true.
My Seagate Barracuda ST39173LW is LVD and works fine on my 50 pin
2940U adapter (using to 68-to-50 pin adapter).
(scsi0) Adaptec AHA-294X Ultra
Oh the other hand, my WDE 18310 SCA LVD drive won't talk to my Adaptec
controller, or (when I tested it at work with a dual-channel drive) it
worked on the LVD connector but not on the ultrawide connector (using a
SCA adapter. I have been told that in general LVD drives will not work on
normal
Hello
This is not a Debian linux question per se, but I
know someone on this list will know for sure.
Can you mix scsi disks on a Adaptec 2930u2 adapter
and not have the slower disk slow down the faster one?
I.e, I have a computer which currently has a u2w disk
with a u2w card and I want to
By default the SCSI card will slow the rpm to the slowest hard disk ie..
if you have one disk at 1rpm and one at 7200rpm both hard disks will
be at 7200 rpm
John F. Davis [EMAIL PROTECTED] wrote:
Hello
This is not a Debian linux question per se, but I
know someone on this list will
On Mon, May 22, 2000 at 12:37:01PM -0700, Dan Hutchinson wrote:
By default the SCSI card will slow the rpm to the slowest hard disk ie..
if you have one disk at 1rpm and one at 7200rpm both hard disks will
be at 7200 rpm
Um, no. 1 rpm disks will always spin at 1 rpm. That's a
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