Re: My new A8N-SLI Premium: IDE detection problems, DMA failure. Hardware fault?

Seems that the jumpers on the back of the HD are not set
correctly. One Master, One slaveé (Or both
Cable Sekect,

"Chris Metzler" <cmetzler@xxxxxxxxxxxxxxxxxxxxx> a écrit dans le message de
news: pan.2006.01.18.02.01.29.321709@xxxxxxxxxxxxxxxxxxxxxxxx
>
> Hi. I'm posting this to a forum at my vendor's website, but I've obtained
> a lot of very good help here so figured I'd try here too. I just got my
> parts this past week, assembled the machine this weekend after months of
> anticipation, and now I'm sitting here hoping like hell I'm not going to
> have to return my mobo.
>
> ASUS A8N-SLI Premium, Athlon 64 3800 (Venice), 2x1GB Corsair 3200
> (DDR400).
>
> Initially, this machine was set up with a DVD-ROM as Master on the 1st IDE
> channel, a WD1200JB 120GB as master on the 2nd IDE channel, and a WD2500KS
> 250GB on the first SATA port. Upon attempting to boot this configuration,
> it took a very long time to recognize IDE devices; when it finished, the
> WD1200JB 120GB as the 2nd Master was not detected.
>
> I knew this drive was OK because I had just taken it out of a machine in
> which it was working fine. So, I changed its jumper from "master" to
> "slave", moved it onto the first IDE channel as slave behind the DVD-ROM
> master, and rebooted. It was recognized and the BIOS initialization/IDE
> detection stuff took place quickly. However, it was incorrectly
> identified as being addressed by CHS, when in fact it should have been
> LBA.
>
> So, I got another WD1200JB 120GB drive (I have a bunch), jumpered it as
> "master", and put it in as master on the 2nd IDE channel. Result: once
> again, it took forever to recognize IDE devices; when it finished doing
> so, the drive in that position was not detected.
>
> On the chance that the problem with the second IDE channel was a cable
> issue, I swapped in another 80-pin cable for that IDE channel. No change:
> IDE detection took forever and the master on the second IDE channel was
> not detected (but both DVD-ROM master and HD slave on the first channel
> were detected OK). I swapped cables yet again, this time using the cable
> that had just come with the motherboard. Still no change.
>
> Next, I rebooted the machine several times, trying to see if it would find
> the drive one of those times. Finally, after three attempts, each of
> which included a very long wait to detect IDE devices, it did detect the
> drive sitting on the master on the second IDE channel. Problems persist,
> however: all IDE disk accesses -- not just the IDE device detection at
> boot-time -- take forever, for both IDE channels. For instance, during OS
> install, I put a bootloader in the MBR of the HD sitting as slave on the
> first IDE channel; on boot, it takes over a half-minute to load that code
> and run it. Once the OS is up, I have no DMA on any drives, and can't
> turn DMA on even though it's explicitly enabled in the BIOS. (and here
> again, not being able to get DMA, despite the BIOS telling me that DMA is
> enabled and OS-level diagnostics querying the drive and reporting that the
> drive can do UDMA5 would suggest a cable issue; but since I'm experiencing
> problems with both channels, that'd be *four* bad cables, including the
> new one that came with the mobo? Very doubtful.)
>
> Any advice on this would be greatly appreciated. I put most of a day into
> assembling this box -- I'm always slow doing this, out of caution -- and
> don't wanna have to disassemble, ship, wait, and reassemble if I don't
> have to.
>
> Thanks.
>
>


.

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