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shahij
 Post subject: WD5000BEVT-22ZAT0 ROM/MOTOR?
PostPosted: June 28th, 2013, 10:30 
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Joined: March 11th, 2008, 4:35
Posts: 1052
Location: Bangladesh
WD5000BEVT-22ZAT0
Date: 04 DEC 2008

The HDD is always BUSY, after long time, sometime it produces "Error", sometime it shows "NO DEVICE".

NO SPIN. My first suspect is ROM.

I need ROM & FW for this drive.
The ROM is embedded into the MCU, also I can't read ROM in safe mode. Read Fails.

PCB: 2060-701572-002 Rev A

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Last edited by shahij on June 28th, 2013, 10:34, edited 1 time in total.

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hddguy
 Post subject: Re: WD5000BECT-22ZAT0 ROM/MOTOR?
PostPosted: June 28th, 2013, 10:31 
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Joined: November 9th, 2006, 15:15
Posts: 2984
I would guess as a initial guess that ROM is bad. Try to access SA via non-native PCB/ROM. Find SA version as determined at overlays, then find suitable ROM version and write to donor PCB.

Does HDD spin if you isolate HSA contacts at PCB?
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shahij
 Post subject: Re: WD5000BEVT-22ZAT0 ROM/MOTOR?
PostPosted: June 28th, 2013, 13:55 
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Joined: March 11th, 2008, 4:35
Posts: 1052
Location: Bangladesh
In the next Run, I got READY after long time BUSY.
But NO SPIN still.

Used Donor Resource to LOAD parameters, then I have been able to read ROM (192KB Generated), but NO SA Access still.

I have attached the ROM file for your inspection if it is normal or corrupt please.

Attachment:
ROM.rar [179.26 KiB]
Downloaded 672 times

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shahij
 Post subject: Re: WD5000BEVT-22ZAT0 ROM/MOTOR?
PostPosted: June 29th, 2013, 1:23 
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Joined: March 11th, 2008, 4:35
Posts: 1052
Location: Bangladesh
No, the HDD doesn't spin even I keep off the HSA contact from the PCB.

Yes, PCB is original
Sticker doesn't contain FW version, but
DCM: HBCVJBBB
R/N: 701572
Product of Thailand

History how the drive is dead:
The Drive was working fine last time. For about 15 days the Laptop/HDD was not switched on, simply it was kept off. Then later it is found the HDD stopped working.

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fzabkar
 Post subject: Re: WD5000BEVT-22ZAT0 ROM/MOTOR?
PostPosted: June 29th, 2013, 4:13 
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Joined: September 8th, 2009, 18:21
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Location: Australia
You can check whether the PCB is original by comparing the date on the label against the YYWW and WWYY date codes on the ICs and on the PCB. They should be very close.

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fzabkar
 Post subject: Re: WD5000BEVT-22ZAT0 ROM/MOTOR?
PostPosted: June 29th, 2013, 4:46 
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Your ROM checks out OK.

I had to calculate the checksum for PMCBlks 7 and 8 separately because Nazyura's tool is limited to 128K ROMs.

I also carved out each MOD and verified them separately.

(Note to self: write my own ROM checking tool)

Code:
C:\WD\WD5000BEVT-2ZAT0>chksum2 -32 MOD_??.bin

MOD_0D.BIN:     72 bytes        checksum32 = 0x00000000
MOD_47.BIN:     1024 bytes      checksum32 = 0x00000000
MOD_4F.BIN:     172 bytes       checksum32 = 0x00000000
MOD_30.BIN:     1024 bytes      checksum32 = 0x00000000
MOD_0B.BIN:     208 bytes       checksum32 = 0x00000000
MOD_0A.BIN:     64 bytes        checksum32 = 0x00000000


Code:
Check Control Sum Flash Files For WD-Marvell
(C)NazYura Krasnodar 2006
Email: nazyura@rambler.ru

------------------------------------------------------------------------------
Flash Code File Name --> ROM.FLS     

LDSC:00 CS  + -->[D3-D3] - PMCBlk:00 Size:[0B09] Sign:[0000] CS  + -->[C0-C0]
LDSC:01 CS  + -->[77-77] - PMCBlk:01 Size:[7F91] Sign:[78A2] CS  + -->[4C-4C]
LDSC:02 CS  + -->[9D-9D] - PMCBlk:02 Size:[4721] Sign:[3C65] CS  + -->[BF-BF]
LDSC:03 CS  + -->[F4-F4] - PMCBlk:03 Size:[07F5] Sign:[D409] CS  + -->[FF-FF]
LDSC:04 CS  + -->[77-77] - PMCBlk:04 Size:[022D] Sign:[F402] CS  + -->[D0-D0]
LDSC:05 CS  + -->[7E-7E] - PMCBlk:05 Size:[062D] Sign:[B009] CS  + -->[2F-2F]
LDSC:06 CS  + -->[E3-E3] - PMCBlk:06 Size:[1979] Sign:[502F] CS  + -->[84-84]

LDSC:07 CS  + -->[E6-E6] -
LDSC:08 CS  + -->[B4-B4] -

PMCBlk:07 Size [1490D] CS + -->[C8-C8]
PMCBlk:08 Size  [7BD8] CS + -->[D9-D9]

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shahij
 Post subject: Re: WD5000BEVT-22ZAT0 ROM/MOTOR?
PostPosted: June 29th, 2013, 13:15 
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Joined: March 11th, 2008, 4:35
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Location: Bangladesh
It has been confirmed that the PCB is original.

I am trying to collect DONOR PCBs, not in stock right now.

I am wondered to see DRIVE comes to READY, ROM can be READ. But the PCB bad!!! Let's see after I collect the PCB first.

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shahij
 Post subject: Re: WD5000BEVT-22ZAT0 ROM/MOTOR?
PostPosted: July 21st, 2013, 3:36 
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Joined: March 11th, 2008, 4:35
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Location: Bangladesh
2 Donor PCBs has been collected and tested. Still No Spin.

Status Sometime PCB, sometime Busy then No Device... Never Ready

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labtech
 Post subject: Re: WD5000BEVT-22ZAT0 ROM/MOTOR?
PostPosted: July 21st, 2013, 9:21 
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Joined: August 18th, 2010, 17:35
Posts: 3669
Location: Massachusetts, USA
What does patient PCB with original ROM do on a known working donor drive?

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shahij
 Post subject: Re: WD5000BEVT-22ZAT0 ROM/MOTOR?
PostPosted: July 21st, 2013, 13:06 
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Joined: March 11th, 2008, 4:35
Posts: 1052
Location: Bangladesh
labtech wrote:
What does patient PCB with original ROM do on a known working donor drive?


Can't be confirmed. Only PCBs were collected, not Drive.

Do you think it's Stiction?

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shahij
 Post subject: Re: WD5000BEVT-22ZAT0 ROM/MOTOR?
PostPosted: July 21st, 2013, 16:19 
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Joined: March 11th, 2008, 4:35
Posts: 1052
Location: Bangladesh
Yes, it's Spindle...

No noise. no spin... nothing... silent n dead..

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fzabkar
 Post subject: Re: WD5000BEVT-22ZAT0 ROM/MOTOR?
PostPosted: July 22nd, 2013, 0:12 
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Joined: September 8th, 2009, 18:21
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Did you measure the resistances of the motor windings?

Did you measure the voltages at the motor terminals after power-on?

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shahij
 Post subject: Re: WD5000BEVT-22ZAT0 ROM/MOTOR?
PostPosted: July 23rd, 2013, 17:02 
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Location: Bangladesh
fzabkar wrote:
Did you measure the resistances of the motor windings?

Did you measure the voltages at the motor terminals after power-on?


didn't measure, but it was Spindle my friend

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Amarbir[CDR-Labs]
 Post subject: Re: WD5000BEVT-22ZAT0 ROM/MOTOR?
PostPosted: November 16th, 2015, 15:46 
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Joined: August 15th, 2006, 3:01
Posts: 3522
Location: CDRLabs @ Chandigarh [ India ]
shahij wrote:
fzabkar wrote:
Did you measure the resistances of the motor windings?

Did you measure the voltages at the motor terminals after power-on?


didn't measure, but it was Spindle my friend


Well,
How did You Solve It In The End ,Opened And Unstuck The Spindle Or was It Heads Outside On Surface

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