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

Try setting your hd and cd to Cable Select.
WD jumper setting for Master by itself on a cable is - No Jumper.

"Chris Metzler" <cmetzler@xxxxxxxxxxxxxxxxxxxxx> wrote in message
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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