IBM
IBM PS/2 55 SX restoration and repair
IBM PS/2 55 SX restoration and repair
#IBM #PS2 #restoration #repair
“Epictronics”
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If you ever restore up a 35SX or 40SX, do note there's a newer BIOS that needs to be burned to their EPROMs! the one from September 1991 is the one to have, but if you have the BIOS revision from 1992, it's not backed up anywhere yet and needs to be dumped and sent to the runners of ardent-tool. it's even more desirable but I'm not sure what enhancements the 1992 BIOS ROMs have over the 1991 ones. Probably 486SLC native stuff? SLC upgrades work with the September 91 BIOS just fine but do still need an enabler in DOS.
I learned a while ago on Adrian's channel that a RTC is required or you get nothing. Also any SMD cap from before 2008 will be bad. Anything after 2010……case by case basis. It would be cool to see if 2010 caps will go 40 years like through hole ones have done, but yeah those early SMD's were trash.
If Egypt was too hit, I suggest the Canadian Prairies in winter 🥶
How come you always work on PS/2 when I'm also working on a PS/2?? 🙂 I'll re-assemble it today, fingers crossed!
Awful design the PSU with rivets!!! Mine has two on the power switch too. I used screws though to put it back. Very nice job and very nice machines! The "bad floppy" struck again 🙂
I love watching your videos. Really showcases how the newer stuff we have now has evolved and gotten better. Going from AT power to ATX power was a huge upgrade for PC's! I was born in 1985 so if I get something old like this I might blow it out with compressed air and wipe it down with a towel, but any more than that it goes to recycle. I love how you show us that anything is possible. Of course, when this PS/2 was brand new it would appear normal to take it apart and do stuff with it 😉
Suggestion for your bucket-list: Climb Mt Fuji
You might want to invest in an impressioning tool for those locks.
I love these PS/2s so much that I can't get enough videos about them ! 🙂 Good job !
So many PS/2s! You must have the biggest PS/2 collection around. Great work keeping them running!
So gutted I thrown our 55sx out many years ago. It had 8 megabytes of RAM and a 60MB HDD, back then just for fun I was able to install Windows 95 on it with a parallel port ZIP drive. It ran quite well even dispite it being a 386.
Wow Roman! Looks like new species are arising in that case! I've seen filthy machines but this?! Holy cow!
Ayyy he's back!
That Chip quick or something sounds like Rose's metal or Wood's metal.
Word of advice: If you see brown or yellow colored dust, it's most definitely nicotine coated from a smoking household. You should wear PPE like gloves because it's absolutely nasty and will spread everywhere if you don't clean properly, not to mention it's terrible for your health.
❗ No RAM installed!
Question: is there a way to install molex power connectors (for a SCSI hard-drive) in these machines? Thanks.
Nice work dude. Was pretty amazed you blamed 4 floppy drives before suspecting the disk though.
I have one of these!
I like how IBM thought they would bypass the clone market by making everything proprietary and closed in the PS/2. Instead they created a path to irrelevance in the PC market. At least the 25, 30 and 30 286 kept the standard ISA bus. One advantage is that they were all quite well built.
Yes! I LOVE PS/2s! Can't wait for more PS/2 content.
might as well see the moai on easter island next
fascinating i thought ibm skipped the 386
From stinkin' hot pyramids to stinkin' fishy capacitors, welcome back!
Thanks for cheering me up with this video. I found a mouse nest with the mouse in my PowerMac 7100/88 today. Pretty crappy especially since I hate mice! 🙁
Ough, that looks like smoker dust, that stuff is so awful.