VOGONS


First post, by NUVIOLAJORGE

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I took a cabinet from an xt, and it occurred to me to use a 5-inch green phosphor tube, which are normally used in medical instruments, I disassembled an old 9-inch monochromatic vga monitor, and with your logic I made the 5-inch tube work . then with parts of a mini tv, cut the front and add it to the front of the xt, some paint, new screws and a mother of a 386, they completed the job.
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video, in red

https://www.youtube.com/watch?v=47V_sWV64YU

Last edited by NUVIOLAJORGE on 2021-07-30, 20:36. Edited 2 times in total.

Reply 2 of 7, by Caluser2000

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Excellent work there old chap!

There's a glitch in the matrix.
A founding member of the 286 appreciation society.
Apparently 32-bit is dead and nobody likes P4s.
Of course, as always, I'm open to correction...😉

Reply 3 of 7, by luckybob

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f0iQA.jpg

I love this! Keep going!

#1 you are going to want to shield the entire monitor section from the computer. With metal, and grounded. This serves 2 functions, it keeps things safe, AND the high voltage will collect dust, so it keeps the rest of the chassis cleaner.
#2 use shielded cable for the video signal.

It is a mistake to think you can solve any major problems just with potatoes.

Reply 4 of 7, by BitWrangler

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Cool stuff, reminiscent of the https://en.wikipedia.org/wiki/IBM_Portable_Personal_Computer or maybe the Osborne portables that had 5" tubes. Is there somewhere selling surplus medical CRTs? ... coz my 5155 has a sick CRT and I dunno if it would be easier to replace than get it fixed.

Unicorn herding operations are proceeding, but all the totes of hens teeth and barrels of rocking horse poop give them plenty of hiding spots.

Reply 5 of 7, by NUVIOLAJORGE

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BitWrangler wrote on 2021-07-30, 22:04:

Cool stuff, reminiscent of the https://en.wikipedia.org/wiki/IBM_Portable_Personal_Computer or maybe the Osborne portables that had 5" tubes. Is there somewhere selling surplus medical CRTs? ... coz my 5155 has a sick CRT and I dunno if it would be easier to replace than get it fixed.

good idea!! you right! more for protection

Reply 6 of 7, by NUVIOLAJORGE

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NUVIOLAJORGE wrote on 2021-07-31, 01:14:
BitWrangler wrote on 2021-07-30, 22:04:

Cool stuff, reminiscent of the https://en.wikipedia.org/wiki/IBM_Portable_Personal_Computer or maybe the Osborne portables that had 5" tubes. Is there somewhere selling surplus medical CRTs? ... coz my 5155 has a sick CRT and I dunno if it would be easier to replace than get it fixed.

good idea!! you right! more for protection

yes, i used a crt from medical equipment, find new in box, never used, i buyed 60, 30 green, and 30 white, but the last has gosthing, like the ibm 5150 tubes, all 5 inch

Reply 7 of 7, by Vynix

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BitWrangler wrote on 2021-07-30, 22:04:

Cool stuff, reminiscent of the https://en.wikipedia.org/wiki/IBM_Portable_Personal_Computer or maybe the Osborne portables that had 5" tubes. Is there somewhere selling surplus medical CRTs? ... coz my 5155 has a sick CRT and I dunno if it would be easier to replace than get it fixed.

Monochrome CRTs are generally interchangeable (as long the socket and voltages match), so if you can find a tube of the same size, it should be a drop-in replacement, mind you, you'd have to take off the original tube's yoke out and install it on the replacement tube.

Proud owner of a Shuttle HOT-555A 430VX motherboard and two wonderful retro laptops, namely a Compaq Armada 1700 [nonfunctional] and a HP Omnibook XE3-GC [fully working :p]