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utdr
 Post subject: Which chip holds the firmware? Calipso III
PostPosted: May 21st, 2007, 13:39 
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Joined: March 13th, 2007, 20:44
Posts: 39
This hard drive has a burnt smooth chip. I found an almost identical PCB but it didn't work. My question is is it better to pay someone $100 to swap out the smooth chip or can I swap out the Firmware chip myself. I believe its one of the 3 8 pin ic's but i don't know which one it is. Thanks, Ben

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darkforce1
 Post subject:
PostPosted: May 21st, 2007, 14:44 
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Joined: June 27th, 2005, 8:27
Posts: 615
Location: India
Rom IC is 25P10V on top right (U401)
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gsimon
 Post subject:
PostPosted: May 22nd, 2007, 6:24 
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Joined: October 7th, 2005, 2:03
Posts: 152
Location: serbia
darkforce1 wrote:
Rom IC is 25P10V on top right (U401)


Change only that IC
and must work!!!
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Doomer
 Post subject:
PostPosted: May 22nd, 2007, 7:31 
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Joined: September 29th, 2005, 12:02
Posts: 3577
Location: Chicago
It should work without resoldering
Something else has been broken
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Starling
 Post subject:
PostPosted: May 22nd, 2007, 11:44 
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Joined: January 29th, 2005, 22:58
Posts: 637
Location: Canada
What happens after swapping the PCB?
Does it ID? If yes, how? Do you get any clicking?
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utdr
 Post subject: when powered on
PostPosted: May 22nd, 2007, 14:35 
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Joined: March 13th, 2007, 20:44
Posts: 39
When I power it on it does not register in the BIOS and it clicks once.
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utdr
 Post subject: It worked
PostPosted: May 22nd, 2007, 19:38 
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Joined: March 13th, 2007, 20:44
Posts: 39
I swapped the chip and it worked. If any one els tries this a tip is to cut the chips off with a razor blade instead of trying to desolder them.
thanks for your help, Ben.
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pepe
 Post subject:
PostPosted: May 23rd, 2007, 2:51 
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Joined: October 3rd, 2005, 0:40
Posts: 4753
Location: Hungary
Hi,

there is no problem with desoldering the ICs, cutting sucks :)
though I'm glad U succeeded.

pepe
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rameez
 Post subject:
PostPosted: May 25th, 2007, 3:27 
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Joined: June 27th, 2006, 11:33
Posts: 2288
Location: In ur HDD !
Even if u tried resoldering the SMOOTH chip u wouldnt have suceeded because the prints are burned .
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