Date: Mon, 8 Dec 2003 06:22:28 -0500 From: "fbsd_user" <fbsd_user@a1poweruser.com> To: "JacobRhoden" <jrhoden@unimelb.edu.au>, "Jarrod" <bsd@say-10.net>, <freebsd-questions@freebsd.org> Subject: RE: Why would drive run at UDMA33? (Segate 80GB) Message-ID: <MIEPLLIBMLEEABPDBIEGAEOGEPAA.fbsd_user@a1poweruser.com> In-Reply-To: <200312081707.29617.jrhoden@unimelb.edu.au>
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ATA channel 0:
Master: ad0 <ST380021A/3.19> ATA/ATAPI rev 5
Slave: acd0 <CD-RW 24X10X40/Y.IW> ATA/ATAPI rev 0
ATA channel 1:
Master: ad2 <ST380011A/3.06> ATA/ATAPI rev 6
Slave: no device present
Here is your problem. On channel 0 You have an UDMA100 disk and an
UDMA33 cd-rw. The motherboard IDE controller steps down the speed to
the speed of the slowest device. You have to move the cd-rw device
to the channel 1. The motherboard will have printed next to the IDE
sockets, primary IDE and secondary IDE, which are channel 0 and
channel 1. Both HD's and the cd/rw have jumpers next to where the
ribbon connects. The jumpers have 3 positions, master, slave, and
cable select. If you look closely on the green board you will see
MA, SL, and CS to help you identify what jumper is located where. If
all three devices are jumpered with CS, then just swap the cd-rw
with the other HD. If your channel 0 HD is jumpered as master and
the cd/rw is jumpered as slave, them you have to change the cd-rw
jumper to master and swap it with the channel 1 HD, then jumper the
new HD to slave and plug it in where the cd-rw was on the channel 0
ribbon.
-----Original Message-----
From: owner-freebsd-questions@freebsd.org
[mailto:owner-freebsd-questions@freebsd.org]On Behalf Of JacobRhoden
Sent: Monday, December 08, 2003 1:07 AM
To: Jarrod; freebsd-questions@freebsd.org
Subject: Re: Why would drive run at UDMA33? (Segate 80GB)
> JacobRhoden <jrhoden@unimelb.edu.au> wrote:
> > I have just purchased a new 80GB drive, howerver i noticed it is
running
> > significantly slower than my current 80gb drive.
On Mon, 8 Dec 2003 04:38 pm, Jarrod wrote:
> Try 'man atacontrol'
I typed 'man atacontrol' and it didnt seem to help! (grin).
Seriously, i had a
look and worked out how to list/display the modes of drives, and i
am not
sure what commands i would type to help fix the speed? I can now
show people
this though:
ATA channel 0:
Master: ad0 <ST380021A/3.19> ATA/ATAPI rev 5
Slave: acd0 <CD-RW 24X10X40/Y.IW> ATA/ATAPI rev 0
ATA channel 1:
Master: ad2 <ST380011A/3.06> ATA/ATAPI rev 6
Slave: no device present
(The cable is the right way around, and the drive is the only drive
on the
cable, thanks for suggestions though).
Jacob Rhoden Phone: +61 3 8344 4478
ITS Division Email: jrhoden@unimelb.edu.au
Melbourne University Mobile: +61 403 788 386
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