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Author Topic: E-bay..right place right time!!  (Read 7074 times)
coorslight115
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« on: January 10, 2012, 01:43:52 AM »
It pays to look around on E-bay for some strange stuff at off times. I nabbed this a little after midnight on New Years Eve. Buyer did not plan well with it being a holiday week and auction ending while the new year was ringing in. Also he did a first that he usually does not do and listed it at a real low teaser starting bid. $29 dollars !

I snatched it at the last minute as the only bidder. I know he had to be pissed.... frying pan bawling The cheapest I have seen one go for is over $300 and as high as $900!

Granted it is a little over kill for the average user but I do not have to worry about buying bulk chips that need erasing ever again !! Cry Laughing Cry Laughing
It will hold 84 average chips at a time and done in 15 minutes or less !!

Might cook a pizza to  Pizza Pie...have not tryed yet  Scratch Head Scratch Head

Great to get a steal now and then .... And it works perfectly

And best of all was his packaging....It came in a RubberMade storage tub full of styrofoam peanuts !! Can't say I have ever seen that before !!!!  no no

Just nice to post a positive E-bay outcome sometimes !

* IMG_1714.JPG (211.46 KB, 1600x1200 - viewed 382 times.)

* IMG_1715.JPG (313.55 KB, 1600x1200 - viewed 352 times.)
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stayouttadabunker
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« Reply #1 on: January 10, 2012, 02:06:04 AM »
wow! That thing must suck the juice from the sun!
Great find coors!  yes
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Goldfinger
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« Reply #2 on: January 11, 2012, 12:21:41 AM »
that was a good find i ll send you mine too to dlear lol applause applause applause
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If it's to big to fit, just get a bigger hammer
Hotrodslots69
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If all the smoke gets out it won't work anymore!
« Reply #3 on: January 11, 2012, 01:46:58 AM »
Hey can you turn it down I think you erased all my machines  arrow
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FORDSBS
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PET
« Reply #4 on: January 11, 2012, 01:57:27 AM »
Take the price of RubberMade storage tub & shipping off & you got it really cheap.  Clap Clap
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coorslight115
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« Reply #5 on: January 11, 2012, 02:07:05 AM »
Quote from: Goldfinger on January 11, 2012, 12:21:41 AM
that was a good find i ll send you mine too to dlear lol applause applause applause

Send them over...include one frozen pizza for me to cook along with them and it will be no charge !!
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coorslight115
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« Reply #6 on: January 11, 2012, 02:09:32 AM »
Quote from: FORDSBS on January 11, 2012, 01:57:27 AM
Take the price of RubberMade storage tub & shipping off & you got it really cheap.  Clap Clap

He lost his  Butt Wiggle Butt Wiggle on this one !!
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coorslight115
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« Reply #7 on: January 11, 2012, 02:11:55 AM »
Quote from: Hotrodslots69 on January 11, 2012, 01:46:58 AM
Hey can you turn it down I think you erased all my machines  arrow

Sorry Hot rod...maybe that was why it was in the rubbermade container !!! Insulation !!
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Frank A
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« Reply #8 on: January 11, 2012, 11:22:09 AM »
What is it ????
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Frank A
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PET
« Reply #9 on: January 11, 2012, 11:27:23 AM »
It's to erase the eprom chips in your machine so you can rewrite them.
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stayouttadabunker
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« Reply #10 on: January 11, 2012, 02:01:02 PM »
In a similar vein - I'm finding it extremely difficult to erase National NM UV eprom chips.
I've had both an NM27C64 and an NM27C512 in my eprom eraser for over an hour.
When read...they still show data on them and blank checks fail every time!  hissy fit
The checksums keep changing every time I read them so I'm corrupting the heck out of them
but I am failing to set all the internal logic gates back to the same number (one or zero... I am not sure really...)
What a PITA!!!!  knockout

* Inside an EPROM.jpg (168.56 KB, 754x600 - viewed 321 times.)
« Last Edit: January 11, 2012, 02:09:13 PM by stayouttadabunker » Logged
coorslight115
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« Reply #11 on: January 12, 2012, 02:15:31 AM »
Quote from: stayouttadabunker on January 11, 2012, 02:01:02 PM
In a similar vein - I'm finding it extremely difficult to erase National NM UV eprom chips.
I've had both an NM27C64 and an NM27C512 in my eprom eraser for over an hour.
When read...they still show data on them and blank checks fail every time!  hissy fit
The checksums keep changing every time I read them so I'm corrupting the heck out of them
but I am failing to set all the internal logic gates back to the same number (one or zero... I am not sure really...)
What a PITA!!!!  knockout

I have found the little window needs to be real clean, no spots or haze. The shadow cast by an imperfection on the lens affects many areas of the erasable media. Beyond that you have already spent more in the electric bill running the burner than the blank is worth!!
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stayouttadabunker
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« Reply #12 on: January 12, 2012, 03:16:12 AM »
That's a very likeable plausible possibility coors!
I think you're on the right track considering these ones have years of dried tape adhesive on the glass -
By the way is now case-hardened to the point where it could very well
withstand the load of Buzz's semi tractor-trailer standing on it!    hide3
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CaptainHappy
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I haven't met a Jackpot that I didn't like!!!
« Reply #13 on: January 12, 2012, 09:41:02 AM »
Quote from: stayouttadabunker on January 12, 2012, 03:16:12 AM
That's a very likeable plausible possibility coors!
I think you're on the right track considering these ones have years of dried tape adhesive on the glass -
By the way is now case-hardened to the point where it could very well
withstand the load of Buzz's semi tractor-trailer standing on it!    hide3

I usually scrape the eprom surface with a razor blade at a nearly flat angle to scrape the gunk off. And then I clean it up with a Q-Tip and alcohol.

My secret tip that I am willing to share here is..... When I am labelling an eprom I cut a little square of paper or label backing just a little bigger than the window and I put it under the label to keep the stickie stuff from getting on the window! Feel free to send royalties if you like my idea! Cry Laughing

CH CaptainHappy
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  Come sail away, Come sail away Come sail away with me..
stayouttadabunker
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« Reply #14 on: January 12, 2012, 02:49:28 PM »
Quote from: CaptainHappy on January 12, 2012, 09:41:02 AM
My secret tip that I am willing to share here is..... When I am labelling an eprom I cut a little square of paper or label backing just a little bigger than the window and I put it under the label to keep the stickie stuff from getting on the window!

You actually DO  that?   kilroy    Whoa! That is Awessome!  yes


I just use a 2 row paper labeller that is sticky as heck.
I'm always in a big hurry  Road Runner Snoopy Walking The Dog and just want to cover up that window ASAP & get it in the machine!  Tongue Out

So, I'm totally guilty of gunking up my UV windows!  bawling
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channelmaniac
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« Reply #15 on: January 16, 2012, 10:40:40 PM »
Goo-Gone in the little metal can works wonders on cleaning adhesive residue off of ICs. It comes in a can that looks like the old school Ronsonol lighter fluid.

Just wait until you try some Hitachi 27C4096G chips. The window is smaller than the die so they can be a bitch to erase as you need light coming in at an angle.

If those chips still don't want to erase, try programming them with all zeros then erasing them again.

Oh, and nice find! I have 3 of 'em here that I use since I sell so many EPROMs.

RJ
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