Tiny Core Base > TCB Talk
Disc errors when booting latest TC release from a CD
Rich:
Hi cast-fish
I can't rule out the possibility, but I think it's unlikely. I had an old CD drive that was a bit hit and miss
when it came to burning CDs. After opening it up and carefully cleaning the LASER diode with cotton
swabs and alcohol it behaved normally again.
[EDIT]: Before the cleaning it was also a bit touchy about booting CDs.
cast-fish:
Hello,
ah, so are you saying that an "older burning drive" could potentially begin to start creating
faulty burned discs and those discs "may or may not" continue to be effectively "readable"
in that drive...?
is there also a case, where a CDr disc that is burned in drive "a" also gets perfect
"reads" in drive "a" but may not be readable in other drives?
V.
cast-fish:
yes rich
this is a hunch here. (could be gobley -gook ....but)
is it possible that "burning drives", like you say, can be temperamental.
Say for example, you burn a CDr disc with a Linux OS. Right away you
start reading that disc in the same drive and things are fine.
Weeks go by where you don't read that Disc. But also, you don't use the drive
to do any burning, just reading of other discs. The heads in the drive get dirty.
Later on you try the same Linux disc in the same drive and it fails to be "readable". You throw
the disc away and immediately "burn" a new disc using the same drive. But the burning process
somehow cleans the internal drive heads...so the drive now correctly reads the recently
burned disc.
V.
Rich:
Hi cast-fish
In response to Reply#51
Yes and yes. If the LASER is weak or dirty it may not generate enough heat to write the bits properly.
By slowing the writing speed you can sometimes work around this, at least for a while. That's because
the disc spins slower and the LASER has more time to heat each bit.
In response to Reply#52
If the burn is marginal, anything can happen. A one may look like a one or a zero from one day to
another or one drive to another.
I think we've been off topic long enough on the inner workings of CD drives.
gadget42:
--- Quote from: Rich on September 11, 2011, 06:06:24 PM ---I think we've been off topic long enough on the inner workings of CD drives.
--- End quote ---
@Rich: perhaps this thread could be retitled to "inner workings of optical drives"
(since the current title is rather generic/non-descript)
sharing is caring
Navigation
[0] Message Index
[#] Next page
[*] Previous page
Go to full version