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Apologies if this is redundant, but I didn't see a similar post anywhere else in the forum, so I thought I'd share.. As I started to piece together my bill of materials for an MB-6582, I realized I would have to do a lot of sorting and counting from the tables in the wiki. I decided to copy & paste into a spreadsheet for easier pivoting and here's what I came up > Covers parts for the Base PCB only > Assumes 4xCore Modules & 4 x SIDs (either 6582 or 8580, not including regulator parts for 6581) > Uses power supply option E Description Value Qty. Part Sourcing Links Base PCB MB-6582-BS 1 https://modularaddict.com/midibox-6582bs-pcb Capacitor - Electrolytic (Radial) 100µF 25v 1 https://www.mouser.com/ProductDetail/140-RGA101M1EBK0611G 10µF 25v 9 https://www.mouser.com/ProductDetail/140-RGA100M1EBK0511G 1µF 50v 8 https://www.mouser.com/ProductDetail/140-SEA1R0M1HBK0407 2200µF, 16V (or 25V) 1 https://www.mouser.com/ProductDetail/140-REA222M1EBK1625P Capacitor - Metal Film 22nF 16 https://www.mouser.com/ProductDetail/667-ECQ-E4223RKF Capacitor - MLCC 100nF 36 https://www.mouser.com/ProductDetail/594-K104K15X7RF53H5 1nF 16 https://www.mouser.com/ProductDetail/594-K102M15X7RF53L2 33pF 8 https://www.mouser.com/ProductDetail/594-K330J15C0GF5TH5 470pF 8 https://www.mouser.com/ProductDetail/594-K471K15X7RF53H5 Crystal 10MHz 4 https://www.mouser.com/ProductDetail/815-ABL-10-B1U DIN Socket 5-Pin 2 https://www.mouser.com/ProductDetail/57PC5F 7-Pin 1 https://amzn.to/3bCe4cx (Amazon - hard to find these days) Diode 1N4148 5 https://www.mouser.com/ProductDetail/1N4148 Header 2-Pin 2 Any 3-Pin 9 Any 4-Pin 1 Any 4-Pin Dual row 1 Any 8-Pin Dual row 4 Any IC 24LC512 - 512K EPROM 8 https://www.mouser.com/ProductDetail/24LC512-I-P 6N138 Optocoupler 1 https://www.mouser.com/ProductDetail/630-6N138 74HC165 - Shift Reg (Parallel to Serial) 5 https://www.mouser.com/ProductDetail/595-SN74HC165N 74HC595 - Shift Reg (Serial to Parallel) 11 https://www.mouser.com/ProductDetail/595-SN74HC595NE4 PIC18F4685 Microcontroller 4 https://www.mouser.com/ProductDetail/PIC18F4685-I-P SID 6581/6582/8580 8 Check eBay or Etsy - Good luck! IC Socket 16-Pin 16 https://www.mouser.com/ProductDetail/485-2203 28-Pin 8 https://www.mouser.com/ProductDetail/485-2206 40-Pin 4 https://www.mouser.com/ProductDetail/485-2207 8-Pin 9 https://www.mouser.com/ProductDetail/485-2202 Potentiometer - Rotary 100K - Dual Gang 4 https://www.mouser.com/ProductDetail/313-1250F-100K Potentiometer - Trimmer 10K 5 https://www.mouser.com/ProductDetail/PT6KV-103A2020-PM Resistor 1.2K 1/4 1% 4 https://www.mouser.com/ProductDetail/271-1.2K-RC 100 Ohm 1/4W 1% 4 https://www.mouser.com/ProductDetail/271-100-RC 10K 1/4W 1% 25 https://www.mouser.com/ProductDetail/271-10K-RC 1K 1/4W 1% 34 https://www.mouser.com/ProductDetail/271-1K-RC 220 Ohm 1/4W 1% 20 https://www.mouser.com/ProductDetail/271-220-RC 5.6K 1/4W 1% 1 https://www.mouser.com/ProductDetail/271-5.6K/AP-RC Resistor network (5-pin or 6-pin) 10K 10 https://www.mouser.com/ProductDetail/264-10K-RC Stereo Phono Jack with Switch Neutrik - NMJ6HFD2 4 https://www.mouser.com/ProductDetail/550-20301 Toggle Switch Salecom T80-R 1 https://www.retroleum.co.uk/c64-misc-components-fuse-etc Transistor BC337 1 https://www.mouser.com/ProductDetail/610-BC337 BC547 16 https://www.mouser.com/ProductDetail/512-BC547ATA Voltage Regulator 5V SREG 1 https://www.mouser.com/ProductDetail/919-R-78B5.0-1.5 7809 1A 1 https://www.mouser.com/ProductDetail/511-L7809ABV-DG Component Grand Total 338 Cheers!

Not sure if this will help anyone but I recently made this mod to my mb6582 which worked brilliantly and is in my opinion the best option for powering the machine. I already had the switching vreg from back when altitude created the original post (thanks!). I had a couple of options for getting the 12v supply into the machine: 1. Put a c64 male power plug onto the end of a wall wart. This restricted me to a single (untested) supply that had to have the plug cut off and would create difficulties if I ever sold the machine, particularly over seas. 2. Put a barrel jack into the mb6582. Best option, but seemed too difficult given the mounting options and panel cutout is for the full size c64 jack. In the end I went with a third simple option and created an adaptor to convert any general wall wart into a usable supply. Pics included. I ended up using a wall wart from a Western Digital external drive to power the mb6582. This was an easy solution and cheap to make, and required no additional mods to the mb6582 or panel. The risk of course is someone plugging in a real c64 supply without the adaptor but no one will ever use it but me anyway. If I ever pass it on it'll come with a warning to always use the adaptor with a centre pin +ve 12v 1.5+a supply. Not sure what the effect would be if a c64 supply was plugged in directly but it may even be harmless. The adaptor only requires the +/- female barrel jack to be wired to the correct pins on the c64 male jack. Easy enough to figure out. I can't remember the exact pins off the top of my head but it'll be obvious when completing the mod. Get the plugs as close together as possible and heat shrink the lot and you're done. Cheers, Arkay. Wall wart female plug: To c64 male plug: bit of heat shrink completes the adaptor: