This Commodore PET has 3096.01066 bytes free! That can't be right.

Описание: #commoore #rgb2hdmi #repair #diagnostics

It's time for a Commodore PET repair. This machine has an impossible amount off free RAM and some unusual problems. Let's try to figure out what's wrong so I can figure out how to find the exact problem with this machine.

Part 1: This part!
Part 2:    • Let's troubleshoot and fix this Commodore PET  

--- Video Links

RGB2HDMI profiles for the 40 col PET with CRTC: (these will be included in the RGB2HDMI release)
https://github.com/misterblack1/rgb2h...

Romulator RAM/ROM FPGA based Replacement: (VIC-20 video)
   • Replace your 6502 computer's RAM or ROM in...  

Commodore PET 2001 Series:
Part 1:    • The Commodore PET Rescue  
Part 2: https://www.youtube.com/watch?v=3Jyuk...
Part 3: https://www.youtube.com/watch?v=Y4BTf...
Part 4:    • PET Rescue Part 4 - It's done! (Fixing the...  

Zimmer's archive of PET schematics:
http://www.zimmers.net/anonftp/pub/cb...

Commodore PET Diagnostic clip on ROM:
http://www.6502.org/users/andre/petin...

RGB2HDMI Github repo:
https://github.com/IanSB/RGBtoHDMI

Buy RGB2HDMI:
https://texelec.com/product/rgbtohdmi... (includes the Raspberry Pi Zero)
https://retrohackshack.com/product/rg...

Adrian's Digital Basement ][ (Second Channel)
   / @adriansdigitalbasement2  

Support the channel on Patreon:
  / adriansdigitalbasement  

-- Tools

Deoxit D5:
https://amzn.to/2VvOKy1
http://store.caig.com/s.nl/it.A/id.16...

O-Ring Pick Set: (I use these to lift chips off boards)
https://amzn.to/3a9x54J

Elenco Electronics LP-560 Logic Probe:
https://amzn.to/2VrT5lW

Hakko FR301 Desoldering Iron:
https://amzn.to/2ye6xC0

Rigol DS1054Z Four Channel Oscilloscope:
https://www.rigolna.com/products/digi...

Head Worn Magnifying Goggles / Dual Lens Flip-In Head Magnifier:
https://amzn.to/3adRbuy

TL866II Plus Chip Tester and EPROM programmer: (The MiniPro)
https://amzn.to/2wG4tlP
https://www.aliexpress.com/item/33000...

TS100 Soldering Iron:
https://amzn.to/2K36dJ5
https://www.ebay.com/itm/TS100-65W-MI...

EEVBlog 121GW Multimeter:
https://www.eevblog.com/product/121gw/

DSLogic Basic Logic Analyzer:
https://amzn.to/2RDSDQw
https://www.ebay.com/itm/USB-Logic-DS...

Magnetic Screw Holder:
https://amzn.to/3b8LOhG
https://www.harborfreight.com/4-inch-...

Universal ZIP sockets: (clones, used on my ZIF-64 test machine)
https://www.ebay.com/itm/14-16-18-20-...

RetroTink 2X Upconverter: (to hook up something like a C64 to HDMI)
http://www.retrotink.com/

Plato (Clone) Side Cutters: (order five)
https://www.ebay.com/itm/1-2-5-10PCS-...

Heat Sinks:
https://www.aliexpress.com/item/32537...

Little squeezy bottles: (available elsewhere too)
https://amzn.to/3b8LOOI

--- Links

My GitHub repository:
https://github.com/misterblack1?tab=r...

Commodore Computer Club / Vancouver, WA – Portland, OR – PDX Commodore Users Group
https://www.commodorecomputerclub.com/

--- Instructional videos

My video on damage-free chip removal:
   • How to remove chips without damaging the c...  

--- Music

Intro music and other tracks by:
Nathan Divino
@itsnathandivino