After trying a Sabayon Linux LiveCD and having all users ~/.mozilla
bookmarks and email (Thunderbird) overwritten, I have been cautious to
mess with LiveCD's. I did contact the folks at Sabayon, but things
weren't clear between his language and mine.

Now I have the hard drive data cable disconnected whenever using a
LiveCD. But started to wonder if anything from a live session remains in
DIMM RAM after a power down - that is, a complete removal of power to
the computer... the electric plug-in.

From my Net reading, the answer *seems* to be NO, but I'm contacting you
all for assurance. Is all data from the LiveCD RAM-only session totally
lost from all recovery? That is, it cannot act on my users' data under
the circumstances I've outlined?

Thank you!
--
sk8r-365
Thy sun shall no more go down; neither shall thy moon withdraw
itself: for the LORD shall be thine everlasting light, and the days
of thy mourning shall be ended. -- Isaiah 60:20

sk8r-365 <sk8r-365@sk8r.debian.etch.invalid.org> writes:

>After trying a Sabayon Linux LiveCD and having all users ~/.mozilla
>bookmarks and email (Thunderbird) overwritten, I have been cautious to
>mess with LiveCD's. I did contact the folks at Sabayon, but things
>weren't clear between his language and mine.

Weird. It should not do tha

>Now I have the hard drive data cable disconnected whenever using a
>LiveCD. But started to wonder if anything from a live session remains in
>DIMM RAM after a power down - that is, a complete removal of power to
>the computer... the electric plug-in.

What DIMM ram. The standard RAM looses all data when switched off. In fact
it looses data if the lines are not regularly read-- the charge leaks off
the little capacitors.



>From my Net reading, the answer *seems* to be NO, but I'm contacting you
>all for assurance. Is all data from the LiveCD RAM-only session totally
>lost from all recovery? That is, it cannot act on my users' data under
>the circumstances I've outlined?

Yes it is all lost.

Horton heard a Who named Unruh saying:
> sk8r-365 <sk8r-365@sk8r.debian.etch.invalid.org> writes:
>
>>After trying a Sabayon Linux LiveCD and having all users ~/.mozilla
>>bookmarks and email (Thunderbird) overwritten, I have been cautious to
>>mess with LiveCD's. I did contact the folks at Sabayon, but things
>>weren't clear between his language and mine.
>
> Weird. It should not do tha

Agreed! I was mightily surprised.

>>Now I have the hard drive data cable disconnected whenever using a
>>LiveCD. But started to wonder if anything from a live session remains in
>>DIMM RAM after a power down - that is, a complete removal of power to
>>the computer... the electric plug-in.
>
> What DIMM ram. The standard RAM looses all data when switched off. In fact
> it looses data if the lines are not regularly read-- the charge leaks off
> the little capacitors.


Here's *everything* I could find:

The short of it:
(2) Kingston ValueRAM KVR333x64c25/256, 256MB 333MHz DDR Non-ECC CL2.5 DIMM
and
(1) KVR266X64C25/512, 512MB 266MHz DDR Non-ECC CL2 DIMM

Total of 1 GB RAM.

The long of it:
KVR333X64C25/256
256MB 32M x 64-Bit DDR333
CL2.5 184-Pin DIMM

DESCRIPTION:

This document describes ValueRAM's 32M x 64-bit (256MB) DDR333 CL2.5
SDRAM ( Synchronous DRAM) memory module. The components on this module
include eight 3 2 M x 8-bit (8M x 8-bit x 4 Bank) DDR333 SDRAM in TSOP
packages. This 184-pin DIMM uses gold contact fingers and requires
+2.5V. The electrical and mechanical specifications are as follows:


FEATURES:
Clock Cycle Time (tCK) 6ns (min.) / 12ns (max.)
Row Cycle Time (tRC) 60ns (min.)
Refresh Row Cycle Time (tRFC) 72ns (min.)
Row Active Time (tRAS) 42ns (min.) / 70,000ns (max.)
Single Power Supply of +2.5V (+/- .2V)
Power (IDD0) 1.800 W (operating)
UL Rating 94 V - 0


DESCRIPTION: This document describes ValueRAM's 64M x 64-bit (512MB),
CAS Latency 2.5 SDRAM ( Synchronous DRAM) DDR266 memory module. The
components on this module include sixteen 32M x 8-bit (8M x 8-bit x 4
Bank / 133MHz, 7.5ns, CL2.5 components) SDRAM in TSOP packages. This
184-pin DIMM uses gold contact fingers and requires +2.5V. The
electrical and mechanical specifications are as follows:

FEATURES:
Clock Cycle Time (tCK) 7.5ns (min.) / 15ns (max.)
Row Cycle Time (tRC) 65ns (min.)
Refresh Row Cycle Time (tRFC) 75ns (min.)
Row Active Time (tRAS) 45ns (min.) / 12,000ns (max.)
Single Power Supply of +2.5V (+/- .25V)
Power 4.400 W (operating)
UL Rating 94 V - 0

>>From my Net reading, the answer *seems* to be NO, but I'm contacting you
>>all for assurance. Is all data from the LiveCD RAM-only session totally
>>lost from all recovery? That is, it cannot act on my users' data under
>>the circumstances I've outlined?
>
> Yes it is all lost.

Still hold to that opinion? I hope so! :)

Thanks for your thoughts,

-sk8r-365
--
Let them bring them forth, and shew us what shall happen: let them
shew the former things, what they be, that we may consider them,
and know the latter end of them; or declare us things for to come.
-- Isaiah 41:22

Horton heard a Who named sk8r-365 saying:

> The short of it:
> (1) KVR266X64C25/512, 512MB 266MHz DDR Non-ECC CL2 DIMM

Should be "333Mhz".

--
sk8r-365
And he hath made my mouth like a sharp sword; in the shadow of his
hand hath he hid me, and made me a polished shaft; in his quiver
hath he hid me; -- Isaiah 49:2

sk8r-365 <sk8r-365@sk8r.debian.etch.invalid.org>:
> After trying a Sabayon Linux LiveCD and having all users ~/.mozilla
> bookmarks and email (Thunderbird) overwritten, I have been cautious to
> mess with LiveCD's. I did contact the folks at Sabayon, but things

I've used a lot of live CDs and I've never seen anything like that.
Most that I've seen may mount existing partitions they find, but
they're mounted read only. They don't touch the hard drive until you
tell them to.

> Now I have the hard drive data cable disconnected whenever using a
> LiveCD. But started to wonder if anything from a live session remains in
> DIMM RAM after a power down - that is, a complete removal of power to

Certain things like the real time clock is battery backed up, and some
special sorts of RAM (BIOS, NVRAM) retain their contents across boots,
but regular RAM loses everything it had. nvram is usually used to
store system hardware settings, not user data.


--
Any technology distinguishable from magic is insufficiently advanced.
(*) http://blinkynet.net/comp/uip5.html Linux Counter #80292
- - http://www.faqs.org/rfcs/rfc1855.html Please, don't Cc: me.