Matt Schalit <[EMAIL PROTECTED]> on 04/01/2002 06:09:47 PM
To: Phillip Watts/austin/Nlynx@Nlynx
cc: [EMAIL PROTECTED]
Subject: Re: [Leaf-user] Flash Write Protect
I thought PC-Cards could be hot swapped. I haven't messed
with them in Linux yet, though. I thought the same was true
for CF chips. Is this not incorrect?
SanDisk Compact Flash(postage stamp size) is an IDE
emulation not a PC-CARd though the original flash cards
were PCMCIA form factor. IDE is not hot swapable.
But I am told you can use them on USB somehow
and they become hot swappable??
Anything software is not the holy grail because it can
be circumvented with time and skill. Or so goes the
argument.
True, but neither are burglar alarms and dead bolts.
But everything you do reduces the size of the population
who are intruder candidates.
I was just fantisizing maybe a really cool way to make
disk access damn hard.
For instance, just renaming and relocating mount would
help a tiny bit.
I don't quite understand what you're suggestion would be
from that one paragraph. If you're referring to using the
IOW and IOR strobes, that's what I'm claiming isn't possible.
I Know nothing about IDE and little about electronics.
Having said that, if you kill the whole cable with a switch,
you are write protected. IF you are running from ramdisk,
you don't need the drive after you see login.
I am curious if an IDE guru could kill the cable and electrically
fool the bus into thinking it still has a drive. ????
Haven't a clue but that would be cool.
By the way, I run all my routers and thin clients from Compact Flash.
A LOT faster than floppy and no moving parts.
16MB SanDisk can be found on the internet for as little as $8.
I bought one in Office Depot the other day for $12, normally $22.
Within a year you will only be able to find the 32MB.
Occasionaly we get a bad one. My boss takes it home and
formats it with his digital camera software and its okay.
The caveats:
Only about a million writes therefore no logging.
We mail our logs with Python smtplib.
Some BIOS's don't like them.
Not hot swappable.
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