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External
Since: Jan 06, 2004
Posts: 7
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(Msg. 1) Posted: Mon Jan 28, 2008 12:02 pm
Post subject: NF7-M - DVD drive won't run using DMA?
Archived from groups: alt>comp>periphs>mainboard>abit (more info?)
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The situation: NF7-M based box running Win2K Server and 1GB RAM. Board
is not OC'd. Main internal DVD drive is a Pioneer DVR-111, on the
secondary IDE channel, running as Master with another CD drive running
as Slave.
The DVD drive refuses to run properly unless the IDE channel is set to
PIO. When I reset it to DMA, Device Manager says it's working properly,
but it will not recognize a (commercially-pressed) DVD. It will
recognize an audio CD (at least, it can read the index on one), but will
not play it - it acts like it's going to, using Winamp, but then,
nothing.
I'd obviously prefer to use the faster DMA setting (google "DMA reverts
to PIO" for what got me started down this path in the first place). Am I
stuck with running the drive in PIO mode instead of DMA, or is there
something else I should be looking at? Do you have to enable DMA in the
BIOS? What about drivers - I could've sworn I'd installed factory
drivers for this drive a couple of years ago when I got it, but it
appears to be running generic MS drivers.
Thanks in advance,
Dave |
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External
Since: Oct 11, 2007
Posts: 178
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(Msg. 2) Posted: Mon Jan 28, 2008 1:10 pm
Post subject: Re: NF7-M - DVD drive won't run using DMA? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Dave Garrett wrote:
> The situation: NF7-M based box running Win2K Server and 1GB RAM. Board
> is not OC'd. Main internal DVD drive is a Pioneer DVR-111, on the
> secondary IDE channel, running as Master with another CD drive running
> as Slave.
>
> The DVD drive refuses to run properly unless the IDE channel is set to
> PIO. When I reset it to DMA, Device Manager says it's working
> properly, but it will not recognize a (commercially-pressed) DVD. It
> will recognize an audio CD (at least, it can read the index on one),
> but will not play it - it acts like it's going to, using Winamp, but
> then, nothing.
>
> I'd obviously prefer to use the faster DMA setting (google "DMA
> reverts to PIO" for what got me started down this path in the first
> place). Am I stuck with running the drive in PIO mode instead of DMA,
> or is there something else I should be looking at? Do you have to
> enable DMA in the BIOS? What about drivers - I could've sworn I'd
> installed factory drivers for this drive a couple of years ago when I
> got it, but it appears to be running generic MS drivers.
>
> Thanks in advance,
>
> Dave
Is the IDE cable you're using a 80 conductor cable? If it's an older 40
conductor cable, you may have problems running devices in DMA,
especially on a longer run. |
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External
Since: Jan 06, 2004
Posts: 7
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(Msg. 3) Posted: Mon Jan 28, 2008 1:10 pm
Post subject: Re: NF7-M - DVD drive won't run using DMA? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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In article <479e1aa0$0$1110$4c368faf@roadrunner.com>,
robv.TakeThisOut@nowhere.invalid says...
> Dave Garrett wrote:
> > The situation: NF7-M based box running Win2K Server and 1GB RAM. Board
> > is not OC'd. Main internal DVD drive is a Pioneer DVR-111, on the
> > secondary IDE channel, running as Master with another CD drive running
> > as Slave.
> >
> > The DVD drive refuses to run properly unless the IDE channel is set to
> > PIO. When I reset it to DMA, Device Manager says it's working
> > properly, but it will not recognize a (commercially-pressed) DVD. It
> > will recognize an audio CD (at least, it can read the index on one),
> > but will not play it - it acts like it's going to, using Winamp, but
> > then, nothing.
> >
> > I'd obviously prefer to use the faster DMA setting (google "DMA
> > reverts to PIO" for what got me started down this path in the first
> > place). Am I stuck with running the drive in PIO mode instead of DMA,
> > or is there something else I should be looking at? Do you have to
> > enable DMA in the BIOS? What about drivers - I could've sworn I'd
> > installed factory drivers for this drive a couple of years ago when I
> > got it, but it appears to be running generic MS drivers.
> >
> > Thanks in advance,
> >
> > Dave
>
> Is the IDE cable you're using a 80 conductor cable? If it's an older 40
> conductor cable, you may have problems running devices in DMA,
> especially on a longer run.
I'll have to check - it's been a while since I've had the case open, and
I don't remember. However, the CD drive running on the same channel runs
fine using DMA.
I forgot to mention that the CPU is an Athlon XP1700+. I don't have the
reference at hand now, but while I was searching for a solution to this
issue yesterday, I ran across a mention of a similar problem somewhere
which suggested that this was a known issue that was specific to certain
combinations of AMD CPUs and mobos, and that the only permanent solution
was to switch to an Intel CPU. Of course, it could've just been a post
from an Intel employee attempting to spread FUD. 
Dave >> Stay informed about: NF7-M - DVD drive won't run using DMA? |
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External
Since: Oct 11, 2007
Posts: 178
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(Msg. 4) Posted: Mon Jan 28, 2008 2:04 pm
Post subject: Re: NF7-M - DVD drive won't run using DMA? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Dave Garrett wrote:
> In article <479e1aa0$0$1110$4c368faf@roadrunner.com>,
> robv.TakeThisOut@nowhere.invalid says...
>> Dave Garrett wrote:
>
>>> The situation: NF7-M based box running Win2K Server and 1GB RAM.
>>> Board is not OC'd. Main internal DVD drive is a Pioneer DVR-111, on
>>> the secondary IDE channel, running as Master with another CD drive
>>> running as Slave.
>>>
>>> The DVD drive refuses to run properly unless the IDE channel is set
>>> to PIO. When I reset it to DMA, Device Manager says it's working
>>> properly, but it will not recognize a (commercially-pressed) DVD. It
>>> will recognize an audio CD (at least, it can read the index on one),
>>> but will not play it - it acts like it's going to, using Winamp, but
>>> then, nothing.
>>>
>>> I'd obviously prefer to use the faster DMA setting (google "DMA
>>> reverts to PIO" for what got me started down this path in the first
>>> place). Am I stuck with running the drive in PIO mode instead of
>>> DMA, or is there something else I should be looking at? Do you have
>>> to enable DMA in the BIOS? What about drivers - I could've sworn I'd
>>> installed factory drivers for this drive a couple of years ago when
>>> I got it, but it appears to be running generic MS drivers.
>>>
>>> Thanks in advance,
>>>
>>> Dave
>>
>> Is the IDE cable you're using a 80 conductor cable? If it's an
>> older 40 conductor cable, you may have problems running devices in
>> DMA, especially on a longer run.
>
> I'll have to check - it's been a while since I've had the case open,
> and I don't remember. However, the CD drive running on the same
> channel runs fine using DMA.
>
> I forgot to mention that the CPU is an Athlon XP1700+. I don't have
> the reference at hand now, but while I was searching for a solution
> to this issue yesterday, I ran across a mention of a similar problem
> somewhere which suggested that this was a known issue that was
> specific to certain combinations of AMD CPUs and mobos, and that the
> only permanent solution was to switch to an Intel CPU. Of course, it
> could've just been a post from an Intel employee attempting to spread
> FUD.
>
> Dave
I spent a lot of time on the NGs when I was building and rebuilding my
NF7-S and I never heard anything about that. My other system that
started with a XP 1500+ and now has a XP1600+ running @ 2.2 GHz on a
NF7-S Abit MB, nVidia nforce2 chipset. I never heard of any MBs with a
problem concerning DMA, unless it was due to using the wrong cable, as I
mentioned.
If the cable is 80 conductor (you can tell easily, as the 80 conductor
cable has really thin wires), maybe the DVD drive is at fault. Recheck
that you have the jumpers set correctly. Try removing the cable from
the CD drive so the DVD drive is the only thing on the cable, switch
drives on the cable (changing jumpers as needed). Lots of things to
try, but first confirm it's 80 conductor. >> Stay informed about: NF7-M - DVD drive won't run using DMA? |
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External
Since: Jan 06, 2004
Posts: 7
|
(Msg. 5) Posted: Mon Jan 28, 2008 8:39 pm
Post subject: Re: NF7-M - DVD drive won't run using DMA? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
|
|
|
In article <479e2724$0$1097$4c368faf@roadrunner.com>,
robv.TakeThisOut@nowhere.invalid says...
> Dave Garrett wrote:
> > In article <479e1aa0$0$1110$4c368faf@roadrunner.com>,
> > robv.TakeThisOut@nowhere.invalid says...
> >> Dave Garrett wrote:
> >
> >>> The situation: NF7-M based box running Win2K Server and 1GB RAM.
> >>> Board is not OC'd. Main internal DVD drive is a Pioneer DVR-111, on
> >>> the secondary IDE channel, running as Master with another CD drive
> >>> running as Slave.
> >>>
> >>> The DVD drive refuses to run properly unless the IDE channel is set
> >>> to PIO. When I reset it to DMA, Device Manager says it's working
> >>> properly, but it will not recognize a (commercially-pressed) DVD. It
> >>> will recognize an audio CD (at least, it can read the index on one),
> >>> but will not play it - it acts like it's going to, using Winamp, but
> >>> then, nothing.
> >>>
> >>> I'd obviously prefer to use the faster DMA setting (google "DMA
> >>> reverts to PIO" for what got me started down this path in the first
> >>> place). Am I stuck with running the drive in PIO mode instead of
> >>> DMA, or is there something else I should be looking at? Do you have
> >>> to enable DMA in the BIOS? What about drivers - I could've sworn I'd
> >>> installed factory drivers for this drive a couple of years ago when
> >>> I got it, but it appears to be running generic MS drivers.
> >>>
> >>> Thanks in advance,
> >>>
> >>> Dave
> >>
> >> Is the IDE cable you're using a 80 conductor cable? If it's an
> >> older 40 conductor cable, you may have problems running devices in
> >> DMA, especially on a longer run.
> >
> > I'll have to check - it's been a while since I've had the case open,
> > and I don't remember. However, the CD drive running on the same
> > channel runs fine using DMA.
> >
> > I forgot to mention that the CPU is an Athlon XP1700+. I don't have
> > the reference at hand now, but while I was searching for a solution
> > to this issue yesterday, I ran across a mention of a similar problem
> > somewhere which suggested that this was a known issue that was
> > specific to certain combinations of AMD CPUs and mobos, and that the
> > only permanent solution was to switch to an Intel CPU. Of course, it
> > could've just been a post from an Intel employee attempting to spread
> > FUD.
> >
> > Dave
>
> I spent a lot of time on the NGs when I was building and rebuilding my
> NF7-S and I never heard anything about that. My other system that
> started with a XP 1500+ and now has a XP1600+ running @ 2.2 GHz on a
> NF7-S Abit MB, nVidia nforce2 chipset. I never heard of any MBs with a
> problem concerning DMA, unless it was due to using the wrong cable, as I
> mentioned.
>
> If the cable is 80 conductor (you can tell easily, as the 80 conductor
> cable has really thin wires), maybe the DVD drive is at fault. Recheck
> that you have the jumpers set correctly. Try removing the cable from
> the CD drive so the DVD drive is the only thing on the cable, switch
> drives on the cable (changing jumpers as needed). Lots of things to
> try, but first confirm it's 80 conductor.
Just popped the case and checked, and it's the older cable (40-
conductor). No wonder I was having problems. I've located a spare 80-
conductor cable I had lying around here still in the package it came in,
so I'm going to swap out the cables and hopefully DMA will work properly
then. Thanks.
Dave >> Stay informed about: NF7-M - DVD drive won't run using DMA? |
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External
Since: Oct 11, 2007
Posts: 178
|
(Msg. 6) Posted: Mon Jan 28, 2008 10:40 pm
Post subject: Re: NF7-M - DVD drive won't run using DMA? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
|
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Dave Garrett wrote:
> In article <479e2724$0$1097$4c368faf@roadrunner.com>,
[snip]
>> If the cable is 80 conductor (you can tell easily, as the 80
>> conductor cable has really thin wires), maybe the DVD drive is at
>> fault. Recheck that you have the jumpers set correctly. Try
>> removing the cable from the CD drive so the DVD drive is the only
>> thing on the cable, switch drives on the cable (changing jumpers as
>> needed). Lots of things to try, but first confirm it's 80 conductor.
>
> Just popped the case and checked, and it's the older cable (40-
> conductor). No wonder I was having problems. I've located a spare 80-
> conductor cable I had lying around here still in the package it came
> in, so I'm going to swap out the cables and hopefully DMA will work
> properly then. Thanks.
>
> Dave
You're welcome.
That was the reason a 80 conductor cable became necessary, as the 40
conductor "leaked" too much signal at higher transfer (DMA) rates and
the signal would have a lot of noise, cross talk and all sorts of nasty
problems by the time it got from one end to the other. The extra 40
conductors are all grounds that help clean up the signal along the
length of the cable, allowing faster and more reliable data transfer at
the higher DMA speeds. I'd be very surprised if the new cable didn't
fix the problem. >> Stay informed about: NF7-M - DVD drive won't run using DMA? |
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External
Since: Jan 06, 2004
Posts: 7
|
(Msg. 7) Posted: Mon Jan 28, 2008 11:00 pm
Post subject: Re: NF7-M - DVD drive won't run using DMA? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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In article <479ea03d$0$17328$4c368faf@roadrunner.com>,
robv.DeleteThis@nowhere.invalid says...
> Dave Garrett wrote:
> > In article <479e2724$0$1097$4c368faf@roadrunner.com>,
>
>
> [snip]
>
> >> If the cable is 80 conductor (you can tell easily, as the 80
> >> conductor cable has really thin wires), maybe the DVD drive is at
> >> fault. Recheck that you have the jumpers set correctly. Try
> >> removing the cable from the CD drive so the DVD drive is the only
> >> thing on the cable, switch drives on the cable (changing jumpers as
> >> needed). Lots of things to try, but first confirm it's 80 conductor.
> >
> > Just popped the case and checked, and it's the older cable (40-
> > conductor). No wonder I was having problems. I've located a spare 80-
> > conductor cable I had lying around here still in the package it came
> > in, so I'm going to swap out the cables and hopefully DMA will work
> > properly then. Thanks.
> >
> > Dave
>
> You're welcome.
> That was the reason a 80 conductor cable became necessary, as the 40
> conductor "leaked" too much signal at higher transfer (DMA) rates and
> the signal would have a lot of noise, cross talk and all sorts of nasty
> problems by the time it got from one end to the other. The extra 40
> conductors are all grounds that help clean up the signal along the
> length of the cable, allowing faster and more reliable data transfer at
> the higher DMA speeds. I'd be very surprised if the new cable didn't
> fix the problem.
I've actually got two 40-conductor cables in this box - the primary IDE
channel which the hard drive is running off of is also connected with
one. It's also set to Ultra DMA, but I've never had any problems with
the hard drive before comparable to those I was having with the DVD
drive. I assume it'd probably be a good idea to swap out that cable with
an 80-conductor one as well while I'm at it.
Dave >> Stay informed about: NF7-M - DVD drive won't run using DMA? |
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External
Since: Oct 11, 2007
Posts: 178
|
(Msg. 8) Posted: Tue Jan 29, 2008 12:53 am
Post subject: Re: NF7-M - DVD drive won't run using DMA? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Dave Garrett wrote:
> In article <479ea03d$0$17328$4c368faf@roadrunner.com>,
> robv.TakeThisOut@nowhere.invalid says...
>
>> Dave Garrett wrote:
>>> In article <479e2724$0$1097$4c368faf@roadrunner.com>,
>>
>>
>> [snip]
>>
>>>> If the cable is 80 conductor (you can tell easily, as the 80
>>>> conductor cable has really thin wires), maybe the DVD drive is at
>>>> fault. Recheck that you have the jumpers set correctly. Try
>>>> removing the cable from the CD drive so the DVD drive is the only
>>>> thing on the cable, switch drives on the cable (changing jumpers as
>>>> needed). Lots of things to try, but first confirm it's 80
>>>> conductor.
>>>
>>> Just popped the case and checked, and it's the older cable (40-
>>> conductor). No wonder I was having problems. I've located a spare
>>> 80- conductor cable I had lying around here still in the package it
>>> came in, so I'm going to swap out the cables and hopefully DMA will
>>> work properly then. Thanks.
>>>
>>> Dave
>>
>> You're welcome.
>> That was the reason a 80 conductor cable became necessary, as the 40
>> conductor "leaked" too much signal at higher transfer (DMA) rates and
>> the signal would have a lot of noise, cross talk and all sorts of
>> nasty problems by the time it got from one end to the other. The
>> extra 40 conductors are all grounds that help clean up the signal
>> along the length of the cable, allowing faster and more reliable
>> data transfer at the higher DMA speeds. I'd be very surprised if
>> the new cable didn't fix the problem.
>
> I've actually got two 40-conductor cables in this box - the primary
> IDE channel which the hard drive is running off of is also connected
> with one. It's also set to Ultra DMA, but I've never had any problems
> with the hard drive before comparable to those I was having with the
> DVD drive. I assume it'd probably be a good idea to swap out that
> cable with an 80-conductor one as well while I'm at it.
>
> Dave
Yes, it would be a very good idea. You probably haven't had problems
with the hard drive because the cable is shorter than the one you're
using for the DVD drive (that's usually the case), and/or the hard drive
is the only device on that cable. Or, you're just lucky. The 80
conductor cables aren't expensive, or hard to get. Like you, I have at
least a few of them lying around from other computers I've built over
the years. And, of course, there's always the ubiquitous Radio Shack.
 >> Stay informed about: NF7-M - DVD drive won't run using DMA? |
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