Apple IIgs motherboard diagnosis, repair and handmade ROM 01 upgrade

Apple IIgs motherboard diagnosis, repair and handmade ROM 01 upgrade


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Apple IIgs motherboard diagnosis, repair and handmade ROM 01 upgrade
In this video I diagnose, repair and test an Apple IIgs motherboard with a RAM problem. The board also comes with the “not-so-useful” ROM 0, so I make a custom adapter and upgrade it to ROM 01. Thanks to viewer Mike for sending in the IIgs board originally!

0:00 Intro
1:01 Motherboard diagnosis and repair
20:23 Handmade ROM 01 upgrade
35:55 Switching between PAL and NTSC
34:39 Testing some IIgs software
38:41 Outro

— Video Links

Mail Call where Mike sent in the IIgs motherboard:

Adrian’s Digital Basement ][ (Second Channel)

Support the channel on Patreon:

— Tools

Deoxit D5:

O-Ring Pick Set: (I use these to lift chips off boards)

Elenco Electronics LP-560 Logic Probe:

Hakko FR301 Desoldering Iron:

Rigol DS1054Z Four Channel Oscilloscope:

Head Worn Magnifying Goggles / Dual Lens Flip-In Head Magnifier:

TL866II Plus Chip Tester and EPROM programmer: (The MiniPro)

TS100 Soldering Iron:

EEVBlog 121GW Multimeter:

DSLogic Basic Logic Analyzer:

Magnetic Screw Holder:

Universal ZIP sockets: (clones, used on my ZIF-64 test machine)

RetroTink 2X Upconverter: (to hook up something like a C64 to HDMI)

Plato (Clone) Side Cutters: (order five)

Heat Sinks:

Little squeezy bottles: (available elsewhere too)

— Links

My GitHub repository:

Commodore Computer Club / Vancouver, WA – Portland, OR – PDX Commodore Users Group

— Instructional videos

My video on damage-free chip removal:

— Music

Intro music and other tracks by:
Nathan Divino
@itsnathandivino

Nguồn: https://lienket.vn/blog/

Xem thêm các Video Game khác tại: https://lienket.vn/blog/lap-trinh

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