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Disappearing/re-appearing Hard Drive


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#1 Gothmog

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Posted 12 August 2006 - 01:03 PM

Whenever I boot my system up after some down-time my primary slave HD disappears on the initial cold-boot. Then when I restart everything comes up fine. This has happened 3 cold-boots in a row and now I'm sure its not just some co-incidenceThese are my HDs:
Drive #1 - ST380021A (74 GB) - has OS(winxp SP2) and programs in 1 partition, came w/ system in 01/03
Drive #2 - WDC WD3200JB-00KFA0 (298 GB) - contains mostly media files (music, video) in 3 equal partitions, added 03/06

The only system change I have made recently was trading up from an ATI Radeon 9000 AGP to an ATI Radeon x800 XL. This card requires a 4 pin molex for add'l power, could this be the reason my drive disappears? Other than this problem, which has only happened three times because my computer is always on, my system seems to be stable and not in power deficit although I'm probably pretty close. my PSU is rated at 300W and is 3 years old so I'm guessing that is a possibility

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#2 acklan

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Posted 12 August 2006 - 01:27 PM

Possibly the CMOS battery.
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#3 Gothmog

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Posted 12 August 2006 - 03:22 PM

at first I thought it was a BIOS problem, but when I checked everything was fine. I didn't think it would be related to that b/c all the settings were right. That was on a restart though, so maybe the battery was recharged or somethin. I'll try and pick one up.

#4 mooniniteman

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Posted 13 August 2006 - 09:43 PM

one question... how do you tell whther or not your HD is set to slave?

#5 usasma

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Posted 13 August 2006 - 10:16 PM

300 watts isn't very much for a system today. Although it may not be the power supply, I'd still suggest that you get one with at least 450 watts (more if you've got a whole pile of stuff plugged into it).

The system won't pull full power at all times - but at times it will demand a lot. If the power supply can't meet the demand - then you'll get errors.
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#6 acklan

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Posted 13 August 2006 - 10:57 PM

one question... how do you tell whther or not your HD is set to slave?

On the back of the drive you will have 4 clusters of 2 pins. I you look at the sticker on the side of the drive it will indicate which 2 need to be jumpered to set the drive slave. Also if your dive shows as C: in My Computer it is set as Master.
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