NF7-M - DVD drive won't run using DMA?
in [Abit]
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From: Dave Garrett on 28 Jan 2008 13:02 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
From: RobV on 28 Jan 2008 13:10 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.
From: Dave Garrett on 28 Jan 2008 13:43 In article <479e1aa0$0$1110$4c368faf(a)roadrunner.com>, robv(a)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
From: RobV on 28 Jan 2008 14:04 Dave Garrett wrote: > In article <479e1aa0$0$1110$4c368faf(a)roadrunner.com>, > robv(a)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.
From: Dave Garrett on 28 Jan 2008 21:39 In article <479e2724$0$1097$4c368faf(a)roadrunner.com>, robv(a)nowhere.invalid says... > Dave Garrett wrote: > > In article <479e1aa0$0$1110$4c368faf(a)roadrunner.com>, > > robv(a)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
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