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About vanderk

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Date of Birth
December 28, 1974 (46)
About vanderk
Sebring, Florida
Classic computer, amateur radio, and classic cars
College administrator


"Programs that are easy to learn are called *user friendly.* I'm not sure what programs that are not easy to learn are called, but I've run into a few user unfriendly ones, and a couple that have been downright hostile"

~ Peter McWilliams, "The Personal Computer Book," page 61


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Last Activity
October 27th, 2020 10:46 AM
Join Date
June 10th, 2009

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Recent Entries

Kaypro II restoration almost done!

by vanderk on March 9th, 2013 at 02:49 PM
I picked up a dusty and dirty Kaypro II sometime ago on eBay for around $30.00 less shipping. It was in excellent cosmetic shape but had several electrical issues and some defective ICs. I installed all new electrolytic capacitors in the video and power supply boards (several were leaky), replaced a few resistors, and replaced two problematic 47uf electrolytic caps on the motherboard (C69 and C20). The Kaypro has been upgraded to accept a 2732 ROM (Micro-C), has the "speed up" mod to

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Updated March 9th, 2013 at 04:54 PM by vanderk


Kaypro 10 is alive!

by vanderk on March 2nd, 2013 at 11:21 AM
All is well! The ST-225 was a great replacement for the original ST-212 10MB that was in my Kaypro 10--and it is FAR more quiet! I ran FORMAT06.COM on the CP/M 2.2H #1 reload disk; about 19 bad blocks were found. The Kaypro 10 is loading its software to the HD at the moment. I didn't realize that the ST-212 was SO loud!

Updated March 7th, 2013 at 04:38 AM by vanderk


Kaypro 10 ST-212 drive failed... but all is good (hopefully)

by vanderk on March 2nd, 2013 at 09:16 AM
I recently was working on the my Kaypro 10. I had to swap out the 5.25 DSDD floppy from the 10 into my Kaypro IIX (the IIX had a failed A: Epson drive and the 10's Epson floppy drive matched). I picked up a DSDD floppy drive on "ePay" and installed it in the 10. Well, I powered the 10 and my ST-212 10 MB HD failed--it was fine before. I checked all the connections and the obvious stuff. I tested the ST-212 drive on my XT by using various low level formatting tools and DOS diagnostics.

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Updated March 7th, 2013 at 04:41 AM by vanderk