Retro Theory
@retrotheory.bsky.social
Playing with old computers, breaking them, maybe fixing them.
Picked up an old soldering station from a junk yard in Mos Eisley, seems to be stuck in Aurebesh mode.
January 7, 2025 at 5:31 PM
Picked up an old soldering station from a junk yard in Mos Eisley, seems to be stuck in Aurebesh mode.
It's the IBM 5151 monitor , shipped with the original IBM personal computer in 1981
December 30, 2024 at 4:33 PM
It's the IBM 5151 monitor , shipped with the original IBM personal computer in 1981
December 22, 2024 at 4:44 PM
Are, are you the puppeteer ? 😜
December 20, 2024 at 5:51 PM
Are, are you the puppeteer ? 😜
The possibilities ✨️
December 14, 2024 at 1:57 PM
The possibilities ✨️
Does seem have an improvised feel 🤔
December 13, 2024 at 11:29 PM
Does seem have an improvised feel 🤔
This board is from an old PAL test pattern generator
December 13, 2024 at 11:14 PM
This board is from an old PAL test pattern generator
Late 1960s early 1970s analog electronics was so colourful.
December 13, 2024 at 11:12 PM
Late 1960s early 1970s analog electronics was so colourful.
Thanks. Here is another shot in progress from underneath. The inside is reinforced with resin
December 12, 2024 at 12:58 PM
Thanks. Here is another shot in progress from underneath. The inside is reinforced with resin
No tube replacement , CRT all the way 😉
December 11, 2024 at 6:04 AM
No tube replacement , CRT all the way 😉
Best used with Stacker CPU management. Get the most from those stacked CPUs
December 9, 2024 at 2:59 PM
Best used with Stacker CPU management. Get the most from those stacked CPUs
STs are ok too I guess
December 8, 2024 at 6:01 PM
STs are ok too I guess
Is the fastest 68k Macintosh an Amiga? I'm just asking. 😉
December 8, 2024 at 12:51 PM
Is the fastest 68k Macintosh an Amiga? I'm just asking. 😉
Gotcha, I forgot that some of those had no video out.
December 3, 2024 at 2:51 PM
Gotcha, I forgot that some of those had no video out.
@ronscompvids.bsky.social , I guess this connector is video out, but cannot say I ever saw it done this way before
December 3, 2024 at 1:54 PM
@ronscompvids.bsky.social , I guess this connector is video out, but cannot say I ever saw it done this way before
8860 need I say more 😉
December 1, 2024 at 12:59 PM
8860 need I say more 😉
Apple's A/UX on a Quadra 700, console access over serial with the VT220 terminal.
November 30, 2024 at 7:19 PM
Apple's A/UX on a Quadra 700, console access over serial with the VT220 terminal.
It connects via DPI and level shifted up to TTL , I dont have the timing on me atm but will post it tomorrow
November 27, 2024 at 7:56 PM
It connects via DPI and level shifted up to TTL , I dont have the timing on me atm but will post it tomorrow
Raspberry Pi booting on the IBM 5151 monitor. This uses a phosphor that has high persistence, good for reducing monitor flicker, bad for motion. #retrocomputing
November 27, 2024 at 6:31 PM
Raspberry Pi booting on the IBM 5151 monitor. This uses a phosphor that has high persistence, good for reducing monitor flicker, bad for motion. #retrocomputing
bumper filler and epoxy + fibreglass on inside
November 27, 2024 at 6:16 PM
bumper filler and epoxy + fibreglass on inside
I sanded and used a textured paint , it's so close to looking like stock finish.
November 27, 2024 at 1:49 PM
I sanded and used a textured paint , it's so close to looking like stock finish.
If life gives you lemonade, make lemons , that's the saying right?
Some time back, I bought an IBM 5153 monitor, and it arrived smashed.
Some time back, I bought an IBM 5153 monitor, and it arrived smashed.
November 27, 2024 at 9:23 AM
If life gives you lemonade, make lemons , that's the saying right?
Some time back, I bought an IBM 5153 monitor, and it arrived smashed.
Some time back, I bought an IBM 5153 monitor, and it arrived smashed.