DOSCember 2024 - IBM 5150 Refurb, Pt. 1

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koz_tech

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Published on December 31, 2024 2:00:25 AM ● Video Link: https://www.youtube.com/watch?v=Uc0nXh0IB3U

Duration: 0:00

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So here's my late and only contribution to #DOSCember : The first part of my IBM 5150 refurb project! It's gonna be a longer video, and will end up having at least 2 parts, if not 3. Still a lot of work to do!

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Sources:
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https://www.minuszerodegrees.net/
https://texelec.com/product/picomem/
https://texelec.com/product/i2s-adlib-module/

DOS font:
https://www.dafont.com/perfect-dos-vga-437.font

DOScember Playlist:


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Timestamps:
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0:00 Intro and description
9:00 Checking for shorts
10:11 Signs of previous rework/repairs?
12:47 Cleaning up some corrosion
16:50 Removing the 8088
17:28 Oops...
19:09 Replacing one of the capacitors
23:18 Taking a look at the power supply
27:40 Testing the PSU
30:02 Initial motherboard test
31:30 Testing video
34:32 Testing an MFM hard drive and controller
35:32 Diagnosing error codes
38:29 Memory errors
39:05 HOW many bad RAM chips? - OR - a C64 to the rescue?
39:40 More hard drive testing
41:00 PicoMEM to the rescue!
44:57 WE HAVE DOS!
45:11 Messing around with DOS 3.30
49:39 Booting into DOS 6.22
49:54 Conclusion of pt. 1

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