Non-Working Cruzer Flash Drive

[Jeff Liebermann]

On Fri, 19 Jun 2009 05:13:56 -0400, JW <none@dev.null> wrote:

On Thu, 18 Jun 2009 10:01:55 -0700 Jeff Liebermann <jeffl@cruzio.com
wrote in Message id: <p2sk359nc55s7qvh64ra9hmjtj8lojb9dv@4ax.com>:

Topic drift: I've been testing the speed of flash drives with
FDBench. It works but isn't really very useful. Most of the hard
disk benchmark utilities don't seem to recognize a flash drive as a
hard disk. Is there a Windoze program for benchmarking flash drives?

Try this freeware utility: http://www.steelbytes.com/?mid=20 This works
great with just about any disk drive. Note that the write tests are
destructive, so back up your data.

Ummm... Looks like exactly what I need. However, when I downloaded it
from the USA, German, and AUS sites, AVG 8.5 complained that it was
infected with WIN32/HEUR virus. SuperAntiSpyware, MalwareBytes, and
Spybot S&D didn't find anything wrong, so I think it's a false
positive. However, I don't wanna try running it on this machine as
the backups are about 2 months old. I'll try it later on some other
machine. Thanks.

 

[Meat Plow]

On 19 Jun 2009 14:33:01 GMT, Jim Yanik <jyanik@abuse.gov>wrote:

Meat Plow <meat@petitmorte.net> wrote in
news:2tcpdh.7pf.19.10@news.alt.net:

On 18 Jun 2009 16:26:58 GMT, Jim Yanik <jyanik@abuse.gov>wrote:

Meat Plow <meat@petitmorte.net> wrote in
news:2taapl.8io.17.4@news.alt.net:

On Wed, 17 Jun 2009 23:02:20 +0100, Baron
baron.nospam@linuxmaniac.nospam.net>wrote:

wmson364 wrote:

I have a 2 gb Cruzer flash drive that is no longer recognized by
computers. I've tried it in several and they do not see it and
the LED does not flash. When it was last connected to a cpu, the
screen gave me a USB overcurrent message and now the drive no
longer works.

Its no longer under warranty so...
Does the circuit board have a "fuse" on it that could be blown?
I've looked it over and don't recognize one. There's a osc
crystal, a couple of IC's and several trans/caps/res units.

You might be lucky and a cap has gone SC. More often the controller
chip is dead.

Well one of the most common (non physical abuse) problem is
corruption of the file system since there is a unique read/write
algorithm used to spread the usage of the file system over the
entire flash memory.

but his drive is not even recognized by the PC.

It won't be if there is not a recognizable file system.

hard drives are recognized even if they are brand new and no file system.

Yep

other USB devices get recognized without "recognizable file systems".

Yep.

And your point is what? That if other USB devices and hard drives get
recognized as hardware with no file systems this should hold true for
everything you plug into a USB port?

I suppose that's the average assumption.

 

[Jim Yanik]

Meat Plow <meat@petitmorte.net> wrote in news:2tfd02.qe4.19.2@news.alt.net:

On 19 Jun 2009 14:33:01 GMT, Jim Yanik <jyanik@abuse.gov>wrote:

Meat Plow <meat@petitmorte.net> wrote in
news:2tcpdh.7pf.19.10@news.alt.net:

On 18 Jun 2009 16:26:58 GMT, Jim Yanik <jyanik@abuse.gov>wrote:

Meat Plow <meat@petitmorte.net> wrote in
news:2taapl.8io.17.4@news.alt.net:

On Wed, 17 Jun 2009 23:02:20 +0100, Baron
baron.nospam@linuxmaniac.nospam.net>wrote:

wmson364 wrote:

I have a 2 gb Cruzer flash drive that is no longer recognized by
computers. I've tried it in several and they do not see it and
the LED does not flash. When it was last connected to a cpu, the
screen gave me a USB overcurrent message and now the drive no
longer works.

Its no longer under warranty so...
Does the circuit board have a "fuse" on it that could be blown?
I've looked it over and don't recognize one. There's a osc
crystal, a couple of IC's and several trans/caps/res units.

You might be lucky and a cap has gone SC. More often the controller
chip is dead.

Well one of the most common (non physical abuse) problem is
corruption of the file system since there is a unique read/write
algorithm used to spread the usage of the file system over the
entire flash memory.

but his drive is not even recognized by the PC.

It won't be if there is not a recognizable file system.

hard drives are recognized even if they are brand new and no file system.

Yep

other USB devices get recognized without "recognizable file systems".

Yep.

And your point is what? That if other USB devices and hard drives get
recognized as hardware with no file systems this should hold true for
everything you plug into a USB port?

I suppose that's the average assumption.

so when does a USB device NOT get recognized as hardware when plugged into
a USB port? How's that work??

(under Windows,not some other op system)

--
Jim Yanik
jyanik
at
kua.net

 

[Jeff Liebermann]

On Fri, 19 Jun 2009 20:45:13 -0700, Jeff Liebermann <jeffl@cruzio.com>
wrote:

On Fri, 19 Jun 2009 05:13:56 -0400, JW <none@dev.null> wrote:

On Thu, 18 Jun 2009 10:01:55 -0700 Jeff Liebermann <jeffl@cruzio.com
wrote in Message id: <p2sk359nc55s7qvh64ra9hmjtj8lojb9dv@4ax.com>:

Topic drift: I've been testing the speed of flash drives with
FDBench. It works but isn't really very useful. Most of the hard
disk benchmark utilities don't seem to recognize a flash drive as a
hard disk. Is there a Windoze program for benchmarking flash drives?

Try this freeware utility: http://www.steelbytes.com/?mid=20 This works
great with just about any disk drive. Note that the write tests are
destructive, so back up your data.

Ummm... Looks like exactly what I need. However, when I downloaded it
from the USA, German, and AUS sites, AVG 8.5 complained that it was
infected with WIN32/HEUR virus. SuperAntiSpyware, MalwareBytes, and
Spybot S&D didn't find anything wrong, so I think it's a false
positive. However, I don't wanna try running it on this machine as
the backups are about 2 months old. I'll try it later on some other
machine. Thanks.

I sent email to the author and just got a reply. He's tried to get
AVG to do something about the false positive. No luck.


--
Jeff Liebermann jeffl@cruzio.com
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558

 

[Jeff Liebermann]

On 20 Jun 2009 16:30:49 GMT, Jim Yanik <jyanik@abuse.gov> wrote:

so when does a USB device NOT get recognized as hardware when plugged into
a USB port? How's that work??

(under Windows,not some other op system)

When it's just powered by the 5VDC on the USB jack. My LED night
light runs on USB power and doesn't get recognized by Windoze. Same
with my USB massager:
<http://www.usbgeek.com/prod_detail.php?prod_id=0081>
However, a USB memory device will need to be recognized by Windoze in
order to work, so my examples don't really count.

I wonder if Windoze will recognize this USB device?
<http://gizmodo.com/5232951/usb-vibrator-brings-bodily-fluids-a-bit-too-close-to-your-ports>

--
Jeff Liebermann jeffl@cruzio.com
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558

 

[Meat Plow]

On 20 Jun 2009 16:30:49 GMT, Jim Yanik <jyanik@abuse.gov>wrote:

Meat Plow <meat@petitmorte.net> wrote in news:2tfd02.qe4.19.2@news.alt.net:

On 19 Jun 2009 14:33:01 GMT, Jim Yanik <jyanik@abuse.gov>wrote:

Meat Plow <meat@petitmorte.net> wrote in
news:2tcpdh.7pf.19.10@news.alt.net:

On 18 Jun 2009 16:26:58 GMT, Jim Yanik <jyanik@abuse.gov>wrote:

Meat Plow <meat@petitmorte.net> wrote in
news:2taapl.8io.17.4@news.alt.net:

On Wed, 17 Jun 2009 23:02:20 +0100, Baron
baron.nospam@linuxmaniac.nospam.net>wrote:

wmson364 wrote:

I have a 2 gb Cruzer flash drive that is no longer recognized by
computers. I've tried it in several and they do not see it and
the LED does not flash. When it was last connected to a cpu, the
screen gave me a USB overcurrent message and now the drive no
longer works.

Its no longer under warranty so...
Does the circuit board have a "fuse" on it that could be blown?
I've looked it over and don't recognize one. There's a osc
crystal, a couple of IC's and several trans/caps/res units.

You might be lucky and a cap has gone SC. More often the controller
chip is dead.

Well one of the most common (non physical abuse) problem is
corruption of the file system since there is a unique read/write
algorithm used to spread the usage of the file system over the
entire flash memory.

but his drive is not even recognized by the PC.

It won't be if there is not a recognizable file system.

hard drives are recognized even if they are brand new and no file system.

Yep

other USB devices get recognized without "recognizable file systems".

Yep.

And your point is what? That if other USB devices and hard drives get
recognized as hardware with no file systems this should hold true for
everything you plug into a USB port?

I suppose that's the average assumption.


so when does a USB device NOT get recognized as hardware when plugged into
a USB port? How's that work??

When it fails to communicate with the hotplug/automount hal daemon. Do
you think a USB flash drive Fairy sees your device being plugged in
then flips a magic switch inside your PC?

(under Windows,not some other op system)

Actually now it's done the same way in Linux and should be the same in
any OS running a hald with hotplug.

And no it doesn't hold true for everything plugged into a USB port,
just a NAND or NOR type EEPROM flash drive that was asked of in the
original subject.

 

[Jim Yanik]

Jeff Liebermann <jeffl@cruzio.com> wrote in
news:ee5q359oo0cm1bs1sh9cr62o87aoce37dp@4ax.com:

On 20 Jun 2009 16:30:49 GMT, Jim Yanik <jyanik@abuse.gov> wrote:

so when does a USB device NOT get recognized as hardware when plugged
into a USB port? How's that work??

(under Windows,not some other op system)

When it's just powered by the 5VDC on the USB jack. My LED night
light runs on USB power and doesn't get recognized by Windoze. Same
with my USB massager:
http://www.usbgeek.com/prod_detail.php?prod_id=0081
However, a USB memory device will need to be recognized by Windoze in
order to work, so my examples don't really count.

SHEESH,those are NOT personal computer devices.
you're just tapping the USB power supply.
Use some common sense,man.

I wonder if Windoze will recognize this USB device?
http://gizmodo.com/5232951/usb-vibrator-brings-bodily-fluids-a-bit-too-
close-to-your-ports

--
Jim Yanik
jyanik
at
kua.net

 

[Jim Yanik]

Meat Plow <meat@petitmorte.net> wrote in
news:2tfr91.p44.19.1@news.alt.net:

On 20 Jun 2009 16:30:49 GMT, Jim Yanik <jyanik@abuse.gov>wrote:

Meat Plow <meat@petitmorte.net> wrote in
news:2tfd02.qe4.19.2@news.alt.net:

On 19 Jun 2009 14:33:01 GMT, Jim Yanik <jyanik@abuse.gov>wrote:

Meat Plow <meat@petitmorte.net> wrote in
news:2tcpdh.7pf.19.10@news.alt.net:

On 18 Jun 2009 16:26:58 GMT, Jim Yanik <jyanik@abuse.gov>wrote:

Meat Plow <meat@petitmorte.net> wrote in
news:2taapl.8io.17.4@news.alt.net:

On Wed, 17 Jun 2009 23:02:20 +0100, Baron
baron.nospam@linuxmaniac.nospam.net>wrote:

wmson364 wrote:

I have a 2 gb Cruzer flash drive that is no longer recognized
by computers. I've tried it in several and they do not see it
and the LED does not flash. When it was last connected to a
cpu, the screen gave me a USB overcurrent message and now the
drive no longer works.

Its no longer under warranty so...
Does the circuit board have a "fuse" on it that could be
blown? I've looked it over and don't recognize one. There's a
osc crystal, a couple of IC's and several trans/caps/res
units.

You might be lucky and a cap has gone SC. More often the
controller chip is dead.

Well one of the most common (non physical abuse) problem is
corruption of the file system since there is a unique read/write
algorithm used to spread the usage of the file system over the
entire flash memory.

but his drive is not even recognized by the PC.

It won't be if there is not a recognizable file system.

hard drives are recognized even if they are brand new and no file
system.

Yep

other USB devices get recognized without "recognizable file
systems".

Yep.

And your point is what? That if other USB devices and hard drives
get recognized as hardware with no file systems this should hold
true for everything you plug into a USB port?

I suppose that's the average assumption.


so when does a USB device NOT get recognized as hardware when plugged
into a USB port? How's that work??

When it fails to communicate with the hotplug/automount hal daemon. Do
you think a USB flash drive Fairy sees your device being plugged in
then flips a magic switch inside your PC?

IOW,you have NO answer,and don't know. You should man up and just say so.

(under Windows,not some other op system)

Actually now it's done the same way in Linux and should be the same in
any OS running a hald with hotplug.

And no it doesn't hold true for everything plugged into a USB port,

Eveything that's a PC I/O USB device.(stuff that's MEANT for a PC to use.)
Not the power tappers like Lieberman cited.

just a NAND or NOR type EEPROM flash drive that was asked of in the
original subject.

--
Jim Yanik
jyanik
at
kua.net

 

[Meat Plow]

On 20 Jun 2009 21:59:18 GMT, Jim Yanik <jyanik@abuse.gov>wrote:

Meat Plow <meat@petitmorte.net> wrote in
news:2tfr91.p44.19.1@news.alt.net:

On 20 Jun 2009 16:30:49 GMT, Jim Yanik <jyanik@abuse.gov>wrote:

Meat Plow <meat@petitmorte.net> wrote in
news:2tfd02.qe4.19.2@news.alt.net:

On 19 Jun 2009 14:33:01 GMT, Jim Yanik <jyanik@abuse.gov>wrote:

Meat Plow <meat@petitmorte.net> wrote in
news:2tcpdh.7pf.19.10@news.alt.net:

On 18 Jun 2009 16:26:58 GMT, Jim Yanik <jyanik@abuse.gov>wrote:

Meat Plow <meat@petitmorte.net> wrote in
news:2taapl.8io.17.4@news.alt.net:

On Wed, 17 Jun 2009 23:02:20 +0100, Baron
baron.nospam@linuxmaniac.nospam.net>wrote:

wmson364 wrote:

I have a 2 gb Cruzer flash drive that is no longer recognized
by computers. I've tried it in several and they do not see it
and the LED does not flash. When it was last connected to a
cpu, the screen gave me a USB overcurrent message and now the
drive no longer works.

Its no longer under warranty so...
Does the circuit board have a "fuse" on it that could be
blown? I've looked it over and don't recognize one. There's a
osc crystal, a couple of IC's and several trans/caps/res
units.

You might be lucky and a cap has gone SC. More often the
controller chip is dead.

Well one of the most common (non physical abuse) problem is
corruption of the file system since there is a unique read/write
algorithm used to spread the usage of the file system over the
entire flash memory.

but his drive is not even recognized by the PC.

It won't be if there is not a recognizable file system.

hard drives are recognized even if they are brand new and no file
system.

Yep

other USB devices get recognized without "recognizable file
systems".

Yep.

And your point is what? That if other USB devices and hard drives
get recognized as hardware with no file systems this should hold
true for everything you plug into a USB port?

I suppose that's the average assumption.


so when does a USB device NOT get recognized as hardware when plugged
into a USB port? How's that work??

When it fails to communicate with the hotplug/automount hal daemon. Do
you think a USB flash drive Fairy sees your device being plugged in
then flips a magic switch inside your PC?

IOW,you have NO answer,and don't know. You should man up and just say so.

Ah, so that's your intent. You really couldn't give a shit about how
it works huh? Just that I'm wrong or have no answer

Tell you what fuckhead, it's you who doesn't know. Go Google and read
how flash storage works then apologize for your stupidity when you
laughably compared flash storage to that of a spinning drive LOL!

(under Windows,not some other op system)

Actually now it's done the same way in Linux and should be the same in
any OS running a hald with hotplug.

And no it doesn't hold true for everything plugged into a USB port,

Eveything that's a PC I/O USB device.(stuff that's MEANT for a PC to use.)
Not the power tappers like Lieberman cited.

Read the part above where I said Google. The way this shit is evolving
there really isn't one answer that can cover it from the time the USB
flash drives appeared to today's flash drives.

just a NAND or NOR type EEPROM flash drive that was asked of in the
original subject.

Nice creative snipping there Yankit.

 

[Jim Yanik]

Meat Plow <meat@petitmorte.net> wrote in
news:2ti30u.kde.19.2@news.alt.net:

On 20 Jun 2009 21:59:18 GMT, Jim Yanik <jyanik@abuse.gov>wrote:

Meat Plow <meat@petitmorte.net> wrote in
news:2tfr91.p44.19.1@news.alt.net:

On 20 Jun 2009 16:30:49 GMT, Jim Yanik <jyanik@abuse.gov>wrote:

Meat Plow <meat@petitmorte.net> wrote in
news:2tfd02.qe4.19.2@news.alt.net:

On 19 Jun 2009 14:33:01 GMT, Jim Yanik <jyanik@abuse.gov>wrote:

Meat Plow <meat@petitmorte.net> wrote in
news:2tcpdh.7pf.19.10@news.alt.net:

On 18 Jun 2009 16:26:58 GMT, Jim Yanik <jyanik@abuse.gov>wrote:

Meat Plow <meat@petitmorte.net> wrote in
news:2taapl.8io.17.4@news.alt.net:

On Wed, 17 Jun 2009 23:02:20 +0100, Baron
baron.nospam@linuxmaniac.nospam.net>wrote:

wmson364 wrote:

I have a 2 gb Cruzer flash drive that is no longer
recognized by computers. I've tried it in several and they
do not see it and the LED does not flash. When it was last
connected to a cpu, the screen gave me a USB overcurrent
message and now the drive no longer works.

Its no longer under warranty so...
Does the circuit board have a "fuse" on it that could be
blown? I've looked it over and don't recognize one. There's
a osc crystal, a couple of IC's and several trans/caps/res
units.

You might be lucky and a cap has gone SC. More often the
controller chip is dead.

Well one of the most common (non physical abuse) problem is
corruption of the file system since there is a unique
read/write algorithm used to spread the usage of the file
system over the entire flash memory.

but his drive is not even recognized by the PC.

It won't be if there is not a recognizable file system.

hard drives are recognized even if they are brand new and no file
system.

Yep

other USB devices get recognized without "recognizable file
systems".

Yep.

And your point is what? That if other USB devices and hard drives
get recognized as hardware with no file systems this should hold
true for everything you plug into a USB port?

I suppose that's the average assumption.


so when does a USB device NOT get recognized as hardware when
plugged into a USB port? How's that work??

When it fails to communicate with the hotplug/automount hal daemon.
Do you think a USB flash drive Fairy sees your device being plugged
in then flips a magic switch inside your PC?

IOW,you have NO answer,and don't know. You should man up and just say
so.

Ah, so that's your intent. You really couldn't give a shit about how
it works huh? Just that I'm wrong or have no answer

Tell you what fuckhead, it's you who doesn't know. Go Google and read
how flash storage works then apologize for your stupidity when you
laughably compared flash storage to that of a spinning drive LOL!

(under Windows,not some other op system)

Actually now it's done the same way in Linux and should be the same
in any OS running a hald with hotplug.

And no it doesn't hold true for everything plugged into a USB port,

Eveything that's a PC I/O USB device.(stuff that's MEANT for a PC to
use.) Not the power tappers like Lieberman cited.

Read the part above where I said Google. The way this shit is evolving
there really isn't one answer that can cover it from the time the USB
flash drives appeared to today's flash drives.


just a NAND or NOR type EEPROM flash drive that was asked of in the
original subject.


Nice creative snipping there Yankit.

So,essentially,you won't provide supporting evidence(instead wanting ME
to do that),and further resort to name calling,indicating you've lost the
argument.

--
Jim Yanik
jyanik
at
kua.net

 

[JB]

"Ron" <ron@lunevalleyaudio.com> wrote in message
news:Ir6dnZInpsiH8KfXnZ2dnUVZ8gdi4p2d@bt.com...

Meat Plow wrote:
On Wed, 17 Jun 2009 23:02:20 +0100, Baron
baron.nospam@linuxmaniac.nospam.net>wrote:

wmson364 wrote:

I have a 2 gb Cruzer flash drive that is no longer recognized by
computers. I've tried it in several and they do not see it and the
LED does not flash. When it was last connected to a cpu, the screen
gave me a USB overcurrent message and now the drive no longer works.

Its no longer under warranty so...
Does the circuit board have a "fuse" on it that could be blown? I've
looked it over and don't recognize one. There's a osc crystal, a
couple of IC's and several trans/caps/res units.
You might be lucky and a cap has gone SC. More often the controller
chip is dead.

Well one of the most common (non physical abuse) problem is corruption
of the file system since there is a unique read/write algorithm used
to spread the usage of the file system over the entire flash memory.

Probably the most common fault I've seen is a result of physical abuse,
and that is minute cracks in the print or soldered joints where the USB
connector meets the pcb. Repairable in some cases tho it requires the
touch of a midwife to be successful.

Ron

I mean really! The poster cited a USB overcurrent message. Do we really
need to guess what kind of flash drive would give an overcurrent message. I
could see this kind of thing with a portable Hard Drive. Gee, why not try
plugging it into one of the rear ports and see if it will pull the power
supply down? Lol! I like the joke about "too close to bodily fluids!"
Something about Cruisers and Hot Pockets!

 

[JW]

On Sat, 20 Jun 2009 09:54:04 -0700 Jeff Liebermann <jeffl@cruzio.com>
wrote in Message id: <9u4q351n6932lhu2vg9gakodnamcc6oagj@4ax.com>:

On Fri, 19 Jun 2009 20:45:13 -0700, Jeff Liebermann <jeffl@cruzio.com
wrote:

On Fri, 19 Jun 2009 05:13:56 -0400, JW <none@dev.null> wrote:

On Thu, 18 Jun 2009 10:01:55 -0700 Jeff Liebermann <jeffl@cruzio.com
wrote in Message id: <p2sk359nc55s7qvh64ra9hmjtj8lojb9dv@4ax.com>:

Topic drift: I've been testing the speed of flash drives with
FDBench. It works but isn't really very useful. Most of the hard
disk benchmark utilities don't seem to recognize a flash drive as a
hard disk. Is there a Windoze program for benchmarking flash drives?

Try this freeware utility: http://www.steelbytes.com/?mid=20 This works
great with just about any disk drive. Note that the write tests are
destructive, so back up your data.

Ummm... Looks like exactly what I need. However, when I downloaded it
from the USA, German, and AUS sites, AVG 8.5 complained that it was
infected with WIN32/HEUR virus. SuperAntiSpyware, MalwareBytes, and
Spybot S&D didn't find anything wrong, so I think it's a false
positive. However, I don't wanna try running it on this machine as
the backups are about 2 months old. I'll try it later on some other
machine. Thanks.

I sent email to the author and just got a reply. He's tried to get
AVG to do something about the false positive. No luck.

Hmm. Avira reports nothing, and I've been using it for quite awhile with
no problems. I uploaded the file to http://www.virustotal.com
which uses a large number of different virus scanner programs. Only three
reported it as "suspicious". The funny part is that AVG didn't see it as a
virus! Maybe see if there are any updates for your scanner?

Anyway, I think you're right about the false positive.

 

[Franc Zabkar]

On Fri, 19 Jun 2009 14:18:02 +1000, Bob Larter <bobbylarter@gmail.com>
put finger to keyboard and composed:

Meat Plow wrote:

Well one of the most common (non physical abuse) problem is corruption
of the file system since there is a unique read/write algorithm used
to spread the usage of the file system over the entire flash memory.

"Write-leveling"

I've always seen it called "wear leveling".

http://en.wikipedia.org/wiki/Wear_leveling

- Franc Zabkar
--
Please remove one 'i' from my address when replying by email.

 

[Franc Zabkar]

On Sat, 20 Jun 2009 09:16:16 -0400, Meat Plow <meat@petitmorte.net>
put finger to keyboard and composed:

And your point is what? That if other USB devices and hard drives get
recognized as hardware with no file systems this should hold true for
everything you plug into a USB port?

I suppose that's the average assumption.

AIUI, this MS utility will retrieve information from any USB device,
file system or no file system, even without any drivers being
installed:

http://www.users.on.net/~fzabkar/USB_IDs/UVCView.x86.exe

The device also reports its maximum rated current demand.

- Franc Zabkar
--
Please remove one 'i' from my address when replying by email.

 

[Franc Zabkar]

On Thu, 18 Jun 2009 22:23:23 +0100, Baron
<baron.nospam@linuxmaniac.nospam.net> put finger to keyboard and
composed:

However the OP reported an "Over Current Event" Which suggests SC ..

There looks to be a 3-terminal linear 3.3V (?) regulator at the rear
of the PCB in this example:

http://upload.wikimedia.org/wikipedia/commons/thumb/b/bc/DSCN0411.JPG/800px-DSCN0411.JPG

I wonder if it could be a possible suspect.

BTW, the NAND flash memory IC, K9K2G08U0M, is a 3.3V part:

http://www.datasheetarchive.com/pdf-datasheets/Datasheets-5/DSA-86237.pdf

- Franc Zabkar
--
Please remove one 'i' from my address when replying by email.

 

[JW]

On Mon, 29 Jun 2009 19:26:59 +1000 Franc Zabkar
<fzabkar@iinternode.on.net> wrote in Message id:
<v62h45pci0t7fmttri5gma3aemn6ij5t97@4ax.com>:

On Sat, 20 Jun 2009 09:16:16 -0400, Meat Plow <meat@petitmorte.net
put finger to keyboard and composed:

And your point is what? That if other USB devices and hard drives get
recognized as hardware with no file systems this should hold true for
everything you plug into a USB port?

I suppose that's the average assumption.

AIUI, this MS utility will retrieve information from any USB device,
file system or no file system, even without any drivers being
installed:

http://www.users.on.net/~fzabkar/USB_IDs/UVCView.x86.exe

The device also reports its maximum rated current demand.

Nice little program, hard to believe it was written by MS.
Thanks.

 

[Baron]

Franc Zabkar wrote:

On Thu, 18 Jun 2009 22:23:23 +0100, Baron
baron.nospam@linuxmaniac.nospam.net> put finger to keyboard and
composed:

However the OP reported an "Over Current Event" Which suggests SC ..

There looks to be a 3-terminal linear 3.3V (?) regulator at the rear
of the PCB in this example:


http://upload.wikimedia.org/wikipedia/commons/thumb/b/bc/DSCN0411.JPG/800px-DSCN0411.JPG

I wonder if it could be a possible suspect.

BTW, the NAND flash memory IC, K9K2G08U0M, is a 3.3V part:


http://www.datasheetarchive.com/pdf-datasheets/Datasheets-5/DSA-86237.pdf

- Franc Zabkar

If that device is indeed a 3.3V regulator it would definitely be
suspect. In the dead ones I've played around with there has never been
any markings to identify the small components.

--
Best Regards:
Baron.

 

[Franc Zabkar]

On Mon, 29 Jun 2009 09:08:35 -0400, JW <none@dev.null> put finger to
keyboard and composed:

On Mon, 29 Jun 2009 19:26:59 +1000 Franc Zabkar
fzabkar@iinternode.on.net> wrote in Message id:
v62h45pci0t7fmttri5gma3aemn6ij5t97@4ax.com>:

On Sat, 20 Jun 2009 09:16:16 -0400, Meat Plow <meat@petitmorte.net
put finger to keyboard and composed:

And your point is what? That if other USB devices and hard drives get
recognized as hardware with no file systems this should hold true for
everything you plug into a USB port?

I suppose that's the average assumption.

AIUI, this MS utility will retrieve information from any USB device,
file system or no file system, even without any drivers being
installed:

http://www.users.on.net/~fzabkar/USB_IDs/UVCView.x86.exe

The device also reports its maximum rated current demand.

Nice little program, hard to believe it was written by MS.

Maybe it was too good. MS appears to have removed it from their site.
In fact it's very hard to find it anywhere ... except on my web space.

For some reason the USB vendor IDs are encoded within the EXE file.
I've managed to decipher the code and have published the list here:

http://www.users.on.net/~fzabkar/USB_IDs/uvcview_vid_nam.txt



- Franc Zabkar
--
Please remove one 'i' from my address when replying by email.

 

[Bob Larter]

Franc Zabkar wrote:

On Fri, 19 Jun 2009 14:18:02 +1000, Bob Larter <bobbylarter@gmail.com
put finger to keyboard and composed:

Meat Plow wrote:

Well one of the most common (non physical abuse) problem is corruption
of the file system since there is a unique read/write algorithm used
to spread the usage of the file system over the entire flash memory.

"Write-leveling"

I've always seen it called "wear leveling".

http://en.wikipedia.org/wiki/Wear_leveling

Yep, my mistake.

--
W
. | ,. w , "Some people are alive only because
\|/ \|/ it is illegal to kill them." Perna condita delenda est
---^----^---------------------------------------------------------------

 

[Jeff Liebermann]

On Tue, 30 Jun 2009 09:35:52 +1000, Franc Zabkar
<fzabkar@iinternode.on.net> wrote:

On Mon, 29 Jun 2009 09:08:35 -0400, JW <none@dev.null> put finger to
keyboard and composed:

On Mon, 29 Jun 2009 19:26:59 +1000 Franc Zabkar
fzabkar@iinternode.on.net> wrote in Message id:
v62h45pci0t7fmttri5gma3aemn6ij5t97@4ax.com>:

On Sat, 20 Jun 2009 09:16:16 -0400, Meat Plow <meat@petitmorte.net
put finger to keyboard and composed:

And your point is what? That if other USB devices and hard drives get
recognized as hardware with no file systems this should hold true for
everything you plug into a USB port?

I suppose that's the average assumption.

AIUI, this MS utility will retrieve information from any USB device,
file system or no file system, even without any drivers being
installed:

http://www.users.on.net/~fzabkar/USB_IDs/UVCView.x86.exe

The device also reports its maximum rated current demand.

Note that this is not the actual current drain. It's the maximum
current specified by the manufactory when it was registered.

Nice little program, hard to believe it was written by MS.

Maybe it was too good. MS appears to have removed it from their site.
In fact it's very hard to find it anywhere ... except on my web space.

It's not UVCview.exe. That's a Quickcam tool. It should be called
USBview.exe. An old version of USBview can be found on the Windoze 98
CD under the tools directory. It might be on the ME disk, but I don't
have one handy to check.

There are bugs:
<http://support.microsoft.com/kb/838100>

The latest bug fixed release is mixed in with the Server 2003 DDK
(driver development kludge) SP1. See:
<http://www.microsoft.com/whdc/devtools/ddk/default.mspx>
All you have to do is download 230MBytes of driver development stuff,
in order to extract the lastest file. I'm tempted.

For some reason the USB vendor IDs are encoded within the EXE file.
I've managed to decipher the code and have published the list here:
http://www.users.on.net/~fzabkar/USB_IDs/uvcview_vid_nam.txt

Nice. Thanks.

- Franc Zabkar
--

Jeff Liebermann jeffl@cruzio.com
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558