i was wondering, would it be cool to replace a nand chip found in usb flash drives. I recently came upon a flash drive of mine and wanted to know if replacing nand chip is ok or practical; the original chip seems loose.
also how many pins do these chips have, i tried counting, to no avail.
If you can't count the pins how do you expect to solder them? I'm not sure it's "cool" to replace the device but it is possible with the right equipment but I suspect it would be easier to find a couple of dollars (why do I get the impression you're American?) for a new flash drive.
Yes, its easy to re-solder the loose chip. You just need a reflow soldering station for 10 minuties. You can rent ours for $10 a day, as long as you put in a $10 deposit 30 times. We can ship it to you for $10 each way. Actually, it might be cheaper to ship us the drive to fix it.
Wow. I've just been flamed by someone posting from yahoo.com. I guess that must be a really important someone whose opinion is valued here in comp.arch.embedded. I should go commit suicide right now, yes?
fix (vb.): 1. to paper over, obscure, hide from public view; 2. to work around, in a way that produces unintended consequences that are worse than the original problem. Usage: "Windows ME fixes many of the shortcomings of Windows 98 SE". - Hutchison
Are you noticing a pattern here? When you ask a stupid question, you can expect a stupid answer. Most people in this group (including Lewin, a.k.a. larwe) are either professionals, or serious hobbiests. They told you that trying to change the flash chips on your USB flash disk is a daft idea, and to all intents and purposes, impossible for an amateur like yourself. It won't even satisfy your curiosity much.
If you want politer answers, then try posting more politely. That means reading this newsgroup for a little while to get the feel of the group, and following the unwritten style rules (which are actually pretty much standard Usenet rules). In case you are impatient (or a slow learner), this means writing in English, which as close to correct spelling and grammar as you can manage according to your language skills, but definitely with correct capitalisation, and no SMS pre-teen contractions. It also means being polite, especially to the group's experts, and learning to use the horrendous Google interface properly (or, preferably, using a real news server).
Hey Lewin, ever read Cryptonomicon? Stephenson has it pegged:
"Arguing with anonymous strangers on the Internet is a sucker's game because they almost always turn out to be -- or to be indistinguishable from -- self-righteous sixteen-year-olds possessing infinite amounts of free time."
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