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spideroo7
 Post subject: what is a firmware?
PostPosted: June 21st, 2007, 17:38 
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Joined: June 21st, 2007, 2:19
Posts: 20
hi there can someone tell me what a firmware is ?
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Odiferous
 Post subject:
PostPosted: June 22nd, 2007, 14:28 
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Joined: November 28th, 2004, 1:54
Posts: 319
It is simply the device's operating system, and often specific to that unique device.
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sceggy
 Post subject:
PostPosted: June 27th, 2007, 11:00 
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Joined: June 27th, 2007, 9:47
Posts: 63
Location: UK
It is effectively the "operating system" for the drive - it is the commands for the microcontroller/processor that controls the voice coil position, PATA/SATA interface, onboard RAM, ECC etc calculations etc

As with any software it evolves, and is quite large. That is why a high percentage is stored on the magnetic platter, with a "bootstrap" or base code on a firmware PROM on the PCB.

scegs
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