Apple IIe Motherboard X-Ray
Bryan Pope
bpope at wordstock.com
Fri Dec 29 08:41:18 CST 2006
And thusly were the wise words spake by Evan Koblentz
>
> >>>> cutting my Apple IIe motherboard in half
>
> Why?
>
Evan, Evan, Evan... Ever see the *Portable* Atari 2600?! :) It is
know as the VCSp and was done by Ben Heck. More info here:
http://www.benheck.com , then scroll down and click on
"VCSp Rev 1".
Cheers,
Bryan
>
>
> -----Original Message-----
> From: Grant Stockly [mailto:grant at stockly.com]
> Sent: Thursday, December 28, 2006 6:23 PM
> To: cctalk at classiccmp.org; cctech at classiccmp.org
> Subject: Apple IIe Motherboard X-Ray
>
> I posted this to CSA2 today. I figured you guys would want to download
> these files. If you're anything like me, then you're a digital pack rat. ;
> )
>
> In preparation for cutting my Apple IIe motherboard in half I decided it
> would help to have an x-ray of the board. This way it will be easy to
> determine the most efficient cut line.
>
> I've included an X-Ray of a Disk II card just for fun.
>
> The X-Rays are at 300dpi. I'm not an X-Ray tech so my calibration was a
> little off. Our resident X-ray guy is gone today. I'm not sure he would be
> interested in an Apple IIe motherboard any way. ; ) Some areas are dark.
> By adjusting "Levels" in photoshop you can bring them out.
>
> The motherboard received a dose rate of 17.84 R/min for the scans and
> calibration. About 27 minutes (for 3 scans and a calibration). This would
> have been a dose of 482 Rad.
>
> The Disk II card received the same dose rate, but it was in the vault for
> the whole time the motherboard was in there. It received radiation for a
> total of about 32 minutes. 571 Rad.
>
> To put it in perspective, if a group of people were exposed to that dose
> 50-90% would die after 30 days. (90% without intensive medical care).
> Primary cause of death is internal bleeding and infections.
> Females become permanently sterile.
>
> Motherboard:
> http://www.stockly.com/images2/061228-Apple_II_80kv6ma35ms36SFD-Cut%20Edges.
> jpg
>
> Disk II:
> http://www.stockly.com/images2/061228-Disk_II_80kv6ma35ms36SFD-Cut%20Edges.j
> pg
>
> Any comments?
>
> Grant
>
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