[dba-Tech] Ghosting an old HD to a New HD

Erwin Craps - IT Helps Erwin.Craps at ithelps.be
Mon Mar 6 03:34:34 CST 2006


Hi Stuart

Finaly have an answer why a new ATA cable has 80-wires and only 40-pin
connectors.
It didn't make any sense to me until I read your posting...

Again one of those little and unimportant questions in my life that
never keep me awake, finaly got resolved.

Thank you Stuart

-----Original Message-----
From: dba-tech-bounces at databaseadvisors.com
[mailto:dba-tech-bounces at databaseadvisors.com] On Behalf Of Stuart
McLachlan
Sent: Monday, March 06, 2006 7:08 AM
To: Discussion of Hardware and Software issues
Subject: Re: [dba-Tech] Ghosting an old HD to a New HD

On 5 Mar 2006 at 23:14, Josh McFarlane wrote:

> How's that work?
> 
> I would have figured the bottleneck would be at the source of the 
> bottleneck. If you use a ATA 33 cable, you're capped at 33, if you use

> an ATA 66/100, you've got independant channels for each device, and 
> thus shouldn't have any problem between the drives, unless of course 
> you're using an old controller that doesn't support the higher 
> standards.
> 
> Can you post a link to somewhere that explains that the controllers 
> clock-down to the lowest device on the independant cables?
> 

I posted it over the weekend:
http://www.pcguide.com/ref/hdd/if/ide/conf_Performance.htm
for all the gory details and
http://www.storagereview.com/guide2000/ref/hdd/if/ide/confRecommendation
s.ht
ml for recommended configurations in different situations. 
--
Stuart


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