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Need PCB Controller board for wd1000 100GB IDE

 
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lumbeetech
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PostPosted: Sat Jul 04, 2009 12:44 am    Post subject: Need PCB Controller board for wd1000 100GB IDE Reply with quote

new to forum but have a 100GB model WD1000 (need to get full model #) that apparently has a problem with a component on the PCB board. I don't fully understand the circuitry and what controls what but the drive doesn't spin up (seems like i hear a faint attempt but no go). I have a computer shop and have kept a number of bad drives for this reason to exchange boards when required. Problem is this 100GB seems like an odd ball and I'm having problems finding an exact match. I tried several boards (40gb with very similar almost exact match and and a 20GB) so far and a couple actually spin up but Windows recognized as 120GB not 100GB and the Dell BIOS that I'm using shows as "UnKnown". My thinking is that the Dell BIOS should recogize correctly before I have even a remote chance of reading it in Windows or Knoppix or whatever.

The board # is 0000 001092-200 G (Is this referred to as board or PCB number?)

1) Whats key components do I try to match up, chip number, motor control, etc?
2) The number on the white bar code label on top of back of drive. Is this important?
3) Does size matter? Matching up 100GB to 100GB. Noticed that many of the smaller drives have very similar chips and numbers.


My hope is that one of you gurus out there will point me in the right direction and tell me what I should be looking for.

Thanks in advance for your help!!

Lumbeetech
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Eric Lee
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PostPosted: Sat Jul 04, 2009 11:06 am    Post subject: Reply with quote

Hi,

You need to match the PCB No. which was printed in back side and have some words "REV" of your PCB.

If you could find a match new working PCB, then you could start to swap.

And before swap PCB, you have to swap the BIOS chip first.
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lumbeetech
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PostPosted: Sat Jul 04, 2009 12:57 pm    Post subject: PCB and BIOS Reply with quote

How do I identify BIOS chip? Thanks, Rod
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Eric Lee
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PostPosted: Sat Jul 04, 2009 2:35 pm    Post subject: Reply with quote

Hi, Rod,

The BIOS chip have 8 pins (4 pins in each two sides) and have some words "...25..." If you could not find it, send you high quality picture to my hotmail, I will show you.

P.S. Pls remember to match the exact PCB No. first.
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harddrivespecialist
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PostPosted: Sat Jul 04, 2009 3:57 pm    Post subject: Reply with quote

It is better if you will swap ROM chip from original board to a new one.
I believe, ROM chip is located in a top left conner and has 20 pins on each side. (IDE pins located on a bottom).
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Eric Lee
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PostPosted: Sun Jul 05, 2009 8:13 am    Post subject: Reply with quote

As harddrivespecialist said, I have not sure if I made a mistake.

Rod, pls post a high quality picture of front side of you PCB here if you don't mind... Let's double check carefully.
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Eric Lee
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PostPosted: Tue Jul 07, 2009 9:11 am    Post subject: Reply with quote

Hi, lumbeetech , harddrivespecialist

I am here to revise my mistake, yes, harddrivespecialist was correct as I confirmed with our engineer.

I am sorry for my mistake.

Thanks
Eric
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lumbeetech
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PostPosted: Tue Jul 07, 2009 6:58 pm    Post subject: Swap ROM chip Reply with quote

Thanks Mr. Lee! You are saying that you agree that i SHOULD swap ROM chip first, correct? Thanks, Rod
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Eric Lee
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PostPosted: Wed Jul 08, 2009 2:01 pm    Post subject: Reply with quote

Hi, Rod,

Yes, swap Rom is needed, and then swap PCB.

Thanks.
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Mikeluz
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Joined: 09 Feb 2010
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PostPosted: Thu Feb 25, 2010 4:51 am    Post subject: Re: Need PCB Controller board for wd1000 100GB IDE Reply with quote

lumbeetech wrote:
new to forum but have a 100GB model WD1000 (need to get full model #) that apparently has a problem with a component on the PCB board. I don't fully understand the circuitry and what controls what but the drive doesn't spin up (seems like i hear a faint attempt but no go). I have a computer shop and have kept a number of bad drives for this reason to exchange boards when required. Problem is this 100GB seems like an odd ball and I'm having problems finding an exact match. I tried several boards (40gb with very similar almost exact match and and a 20GB) so far and a couple actually spin up but Windows recognized as 120GB not 100GB and the Dell BIOS that I'm using shows as "UnKnown". My thinking is that the Dell BIOS should recogize correctly before I have even a remote chance of reading it in Windows or Knoppix or whatever.

The board # is 0000 001092-200 G (Is this referred to as board or PCB number?)

1) Whats key components do I try to match up, chip number, motor control, etc?
2) The number on the white bar code label on top of back of drive. Is this important?
3) Does size matter? Matching up 100GB to 100GB. Noticed that many of the smaller drives have very similar chips and numbers.


My hope is that one of you gurus out there will point me in the right direction and tell me what I should be looking for.

Thanks in advance for your help!!

Lumbeetech


Did you suceed on replacing the PCB? What were your steps? Did you match the PCB# (etched alongside on the green PCB itself) + swaped ROM chip?

Share with us your story.

Cheers
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