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Arcade & Retro Repairs & Mods, all new recipe, with no added MSG...

1575860626365

Comments

  • Registered Users, Registered Users 2 Posts: 35,281 ✭✭✭✭o1s1n
    Master of the Universe


    Awh no, I saw you post on this thread and was hoping to see a photo posted of a lovely bright CRT in your Blast.

    I also sent something over to the UK around the same time and there's been no update since Anpost handed it over to whomever on the 8th of November.

    Am hoping it's just being held up by UK Customs.



  • Registered Users, Registered Users 2 Posts: 8,891 ✭✭✭Steve X2


    Parcelforce seem to have an issue at the moment with their tracking info/site. I have stuff that was sent over recently that was delivered(confirmed by receiver) and had delivery details on the site that now all show as "In Progress" or just "...".

    Have you confirmed with Grant that he didn't get it?



  • Registered Users, Registered Users 2 Posts: 9,245 ✭✭✭MrVestek


    I haven't actually, no. I'll reach out to him now on UKVac and ask. Cheers.



  • Registered Users, Registered Users 2 Posts: 9,245 ✭✭✭MrVestek


    Ohh brilliant! He just got back to me and said that it actually did turn up last week and that it's on his list of stuff to repair this week.

    Crisis (and anxiety) averted.

    Stupid Parcelforce...

    Not sure why I didn't think to just do that in the first place but thanks for the suggestion Steve!



  • Registered Users, Registered Users 2 Posts: 9,245 ✭✭✭MrVestek


    Incidentally the two screws for the monitor cavity in the back of the blast have seemingly gone walk about (I did manage to put all the screws for the chassis in a little baggie).


    I don't suppose that anybody knows what type of screws they are? I remember them being machine type screws but no idea of the size or whatever. I'd like to just replace them when the chassis arrives again and I have to put everything back together.



  • Registered Users, Registered Users 2 Posts: 8,891 ✭✭✭Steve X2


    I've been looking for a Mega Drive single rom cart for a while to use with hacks and translations and tried a few different versions of what people have. In the end I decided to make my own based on some older schematics available online so I could use any size EPROM I needed. I cleaned up the design quite a bit in Eagle and decided to go with a different PCB colour scheme than what most seem to use for these sorts of things. I really like having the option to use SMD or through-hole caps(and some small flexibility on where to position those caps is a bonus).

    After 2 small batches from PCBWay to make sure all works and looks ok, I'm happy with the result. I have a few that support saves / battery sourced from etsy, but for 99.9% of what I want a standard cart like this is all I need. I might have gone a bit overboard by getting 100+ made, but the price was right so I said feck it, maybe I'll stick them on my site at some stage or give a few away.

    I have Everdrives so I don't even need these. But I like the 1 game 1 cart idea and there's some cool and/or silly hacks out there I definitely want to make up a cart and box with artwork for (Fat Sonic for one 😀)


    Edit:

    I thought they might look cool in a white case. Nope, better in original black.




  • Registered Users, Registered Users 2 Posts: 3,725 ✭✭✭The Last Bandit


    Nicely done :)

    If you are planning on making more of these I'd recommend making a few minor changes.

    Add a 30 or 45 degree bevel to card edge, a build instruction for the fab house is all that should be needed.

    The 29Fxxx can't be programmed on board (I think) so I'd add another smaller pitch card edge connector on the top side or pin header with all the necessary pins to flash those chips on board and a few 0 Ohm jumpers for any pins needing to tied high/low for normal operation.



  • Registered Users, Registered Users 2 Posts: 9,245 ✭✭✭MrVestek


    Forgive the state of my workbench / coffee table but successfully modded my PAL N64 last night for full RGB Scart output using Tim Worthington's N64RGB 3.0 mod board.


    Had a few issues with it and once thinking that I had accidentally killed the DENC-NUS on board but I managed to get it going again as I had just accidentally lifted a few pins.

    Bit difficult to do as you need to solder directly to the legs on the DENC-NUS chip (and it's *so easy* to bridge those legs in such a small area) but all in all worth it and the picture quality towards the end is amazing.

    Didn't want to faff with the controller shortcuts for enabling / disabling deblur so I installed a physical switch for that instead and only mutilated the case for it a little bit.

    Appears to work well though!







  • Registered Users, Registered Users 2 Posts: 8,891 ✭✭✭Steve X2


    The edge connector is actually bevelled, 30 degrees. It's really just to be used with EPROMS rather than the NOR flash(the NOR flash is a leftover of the old schematic I used and more a bonus as it only supports 8Mbit 🙂). But good idea on the small edge connector to program them, I'll look into that if I decide I want more(or a different colour 🙂).



  • Registered Users, Registered Users 2 Posts: 3,725 ✭✭✭The Last Bandit


    Ah cool, hard to see the bevel in the pics.

    The flash is handy to have available as EEPROM are getting tougher to find - at least good ones anyway.



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  • Registered Users, Registered Users 2 Posts: 8,891 ✭✭✭Steve X2


    Yeah, I made a point over the last 6 months of finding decent sellers on ebay and aliexpress of eproms of various types. Took a few tries to find a reliable supply of non fakes. I even found genuine new old stock for a few types.

    I don't mind when they repaint, re-etch pulls etc as long as they advertise it as such. It's the guys who do all that and try to sell them as new when in fact its just a paint job, re-etch and usually to cover up a slower or more common eprom.

    I went way overboard as is my usual way and have enough stock for a shop now, when all i need is enough for my own personal use. At least I'm ok for the next couple decades anyway 🙂


    Edit:

    Slow moving the EPROMs from the tubes they come in to something a bit more manageable. I used conductive plastic for the 3D printed holders.




  • Registered Users, Registered Users 2 Posts: 35,281 ✭✭✭✭o1s1n
    Master of the Universe


    Nicely done! Really coming along with your modding skills.

    The guy who installed that on my N64 put the deblur switch on the bottom of the case.

    I didn't actually realise it was there until I tried installing my N64DD and they wouldn't fit together properly. Ended up breaking the switch off! 😂



  • Registered Users, Registered Users 2 Posts: 8,891 ✭✭✭Steve X2


    Has anyone switched over to USB C on their retro consoles? Any increase/decrease in audio or video interference?






  • Registered Users, Registered Users 2 Posts: 8,891 ✭✭✭Steve X2


    After the chassis making 2 trips over to Grant in the UK I now have a working Egret 3 as of tonight. When I got the chassis back the first time all I was getting was a clicking sound and no picture at all. Lots of testing and trying suggestions from Grant, but no joy. Sent it back to him and all that was wrong was the horizontal output transistor was shorted for some reason. An easy fix, but expensive with shipping again to the UK. Anyway, all is well now and the picture is better than ever.


    Of course all they want to play is Spyro on the PS1 emulator :0/




  • Registered Users, Registered Users 2 Posts: 9,071 ✭✭✭Doge


    I use USB C PD to power my Akai Force groovebox, it's 19v and I have a baseus 65W PD power bank so I can take it on the go. Also bought a usb c pd cable for my hp laptop which doesn't have power over usb c.

    I never thought of using it for retro consoles. Tbh I haven't touched my retro gaming setup in a few years, kind of went past that phase but who knows I met get suckered back into it.

    Myvolts Ripcord is another product that will use a normal USB A to DC barrell, that steps up the voltage but it's output is limited to a certain wattage. I presume it's not as efficient but will work with non USB PD chargers.



  • Registered Users, Registered Users 2 Posts: 2,030 ✭✭✭Colonel Panic


    Has anyone here made custom video cables? Looking for good shielded cables with multiple internal wired for assorted video lines.



  • Registered Users, Registered Users 2 Posts: 9,245 ✭✭✭MrVestek



    Got delivery from Grant last Tuesday but had been too busy to sort it out until now.

    After an hour or so of reattaching cables and anode cap... Double triple checking my work AND breaking my damn back getting the tube back into the main body of the machine.... She lives! I'm so bloody happy!


    Between postage, customs charges and repair fee it cost about €220 all in all. Definitely worth it.


    Turns out the horizontal IC was shorted but he replaced vertical and horizontal ICs and did a full capacitor replacement too.


    I'm very happy with the results and the image seems a lot better now too. No more random reds showing up on black screens like before.


    Now all I need is a kill switch bypass cable as I've noticed that there's an issue with my kill switch. It didn't always happen but seems bad now.


    The PSU will reset itself when I close / open the player control panel (where the secondary on / off switch and test buttons are) because the kill switch is being jolted by the vibration. I've verified it by tapping the wires going into the switch with a screwdriver.


    So... Kill switch bypass cable ordered from Arcaniac in France.


    Thank you so much everyone in here for the advice!

    Post edited by MrVestek on


  • Registered Users, Registered Users 2 Posts: 9,245 ✭✭✭MrVestek


    Got a question for folks.

    Got any tips for calibrating the CRT? The picture looks great but the blacks seem to be much more... grey than they used to be. Like the screen is too bright.

    I've adjusted the "screen" pot as much as I can along with the brightness pot on the remote board but I just can't seem to get the blacks to look... black. Does anyone know what I mean by this or am I being silly?



  • Registered Users, Registered Users 2 Posts: 2,030 ✭✭✭Colonel Panic


    There’s a guide on Arcade Otaku’s wiki to methodically set the cutoff and gain for each colour channel to get things looking nice.

    I had good success with this.



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  • Registered Users, Registered Users 2 Posts: 4,285 ✭✭✭KeRbDoG


    Dug out my Famicom which might have had a wrong PSU plugged into it once, casing was in good condition but mainboard was kaput.

    Many weeks later, another Famicom arrived with its case in not great condition but at least its working! I ordered up a replacement power/AV board from a lad in Ukraine. I think it was less than 10euro shipped. It does require a small mod to the case but ho-hum, composite'ness and it can now take a center pin positive power adapter from 7V~17V :D should be super safe from now on.

    Tbh, I didn't think it would arrive - it took a good but of backwards/forwards via Telegram, bit of an effort to send the lad funds (card2card transfers are popular there, but I think only being considered here)...and yea know, the war.

    I got a later version of the board from the lad, it has an option of a second set of composite outputs rather than an option for a smaller ballel jack power connector or micro-USB power input. Maybe useful for someone who'd want to stream the horror of composite?



  • Registered Users, Registered Users 2 Posts: 9,245 ✭✭✭MrVestek


    Thanks! Turns out it's just the Tekken Tag board being a bit weird.

    Hooked up the Naomi setup there earlier and everything looks fine. I guess Tekken Tag has always just looked a bit washed out and I've never noticed before.



  • Registered Users, Registered Users 2 Posts: 9,245 ✭✭✭MrVestek


    Also... I built an RS485 interface for OpenJVS earlier today.

    This will (eventually) enable me to use AimTrak guns and my steering wheel setup natively on the Naomi so that I can play Crazy Taxi, Confidential Mission etc.

    I'm using Chunskin's WiPi Netbooter Raspberry Pi image with built in OpenJVS to pull this off. Not sure if it's completely evident from the image here but I created a cable that taps 5v on the Naomi 2 board to power the Pi4 via GPIO pins, and have an RS485 module attached to the Pi that's translating inputs on the fly to the JVS interface on the Naomi 2.

    Quite a handy setup really. This Pi is also connected to the same network as the NetDimm on the Naomi 2 via Wifi so that it can push game images to it over the network.

    Played a bit of Crazy Taxi earlier via an Xbox 360 controller and it worked like a charm. Can't wait to get the racing sim setup hooked up so that I can play Initial D! :-)





  • Registered Users, Registered Users 2 Posts: 4,285 ✭✭✭KeRbDoG


    I've yet to test out a lightgun or the flightsim on the Naomi with OpenJVS.

    18 Wheeler didn't play nice for some reason.

    The 'WiPi Netbooter' I believe will change the OpenJVS config depending on the game launched.



  • Registered Users, Registered Users 2 Posts: 9,245 ✭✭✭MrVestek


    I've found that sometimes it can get stuck and you have to push the config manually. That's probably what's happening with 18 Wheeler.



  • Registered Users, Registered Users 2 Posts: 4,285 ✭✭✭KeRbDoG


    Now for more cowbell/photo;

    Yes, that is a janky applied Brother type label to remind me what power range of an adapter I can use :D I think I can use center or postive center adapter too.



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  • Registered Users, Registered Users 2 Posts: 734 ✭✭✭80s Synth Pop


    I believe 19 wheeler is fixed with the latest multibios. Old multibios was based off hotd2 beta. New multibios is based off the latest official bios.



  • Registered Users, Registered Users 2 Posts: 4,285 ✭✭✭KeRbDoG


    I actually don't know what BIOS I'm currently using on my N2. Need to check



  • Registered Users, Registered Users 2 Posts: 734 ✭✭✭80s Synth Pop


    Here is a link to the latest. It's fairly recent and resolves a lot of issues with the old multi bios such as with atomiswave conversions:

    https://www.arcade-projects.com/threads/naomi-multi-bios-fixed-with-proper-bootstrap.14842/



  • Registered Users, Registered Users 2 Posts: 7,759 ✭✭✭Inviere


    PC Engine Interface Unit RGB Mod complete, I didn't plan the cabling properly the first time and had an absolute 'mare trying to fit everything back in because of the thicker shielded/sleeved audio cable (this was recommended due to inherant hum with these units.)

    I ended up caving and abandoned it last night, and redid the whole thing today with more forethought in the wiring lengths etc.

    I'll throw a thread up tomorrow, happy with the results but I struggle to photo screens properly so it looks better in person. Also realised my Cdrom2 wouldn't spin up for a few mins, so the caps on it are likely in dire need of replacements. There's ALWAYS something...



  • Registered Users, Registered Users 2 Posts: 7,759 ✭✭✭Inviere




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  • Registered Users, Registered Users 2 Posts: 4,285 ✭✭✭KeRbDoG


    Cheers for the link/reminder.

    Cracked out the EmbeddedComputers(.net) programmer and programmed a new EPROM for the Naomi2. I didn't have any real issues with anything else NetDimm Atomiswave (though I had the relay), but sure it's updated now.



  • Registered Users, Registered Users 2 Posts: 7,759 ✭✭✭Inviere


    Just wondering if anyone here has the ability to burn/supply an Amiga rom chip for me? It's absolutely nuts what has happened with Amiga licensing, and there doesn't appear to be a single legitimate way to buy a license for the version I want....



  • Registered Users, Registered Users 2 Posts: 4,285 ✭✭✭KeRbDoG


    Interested what beyond what you can buy in stores below, you'd might be after;

    https://sordan.ie/search/?q=Kickstart&sort=name_a_z&view=icons&count=all



  • Registered Users, Registered Users 2 Posts: 7,759 ✭✭✭Inviere


    Yeah I've checked Sordan, 3.2 and 3.1 only...no 3.1.4 other than a rom burning service whereby you need to provide a license as proof of purchase (which you can't purchase anymore).

    I've messaged him through his site and through his eBay page for any other options, but like the majority of messages to him, they've gone ignored. Cheers the tip though



  • Registered Users, Registered Users 2 Posts: 3,725 ✭✭✭The Last Bandit


    Do you absolutely need to burn new roms ? Its nearly always a better option to softkick newer ROMS, 3.1.4.1 and 3.2.1 are both missing modules that cause problems with older OS versions if you're likely to be jumping between versions (they load these missing modules from disk on boot).

    Also running the kickstart from RAM is alot faster so better Workbench performance. For ACA cards you can use its maprom feature or skick if you've got a TF or other type of card.



  • Registered Users, Registered Users 2 Posts: 7,759 ✭✭✭Inviere


    Softkicking, didn't even know it was a thing tbh. Just chatting to Steve about 3.1.4 and he mentions similar, 3.1.4 comes with its own issues, so perhaps trusty 3.1 will fit the bill after all. I've read elsewhere that 3.2 chews up a lot of ram, which on something like a 600 with basic expansions, isn't ideal.

    Do you mean AGA, or is ACA a thing on expansion cards? If the former, this is a 600 with the ECS chipset, so no AGA this time around.



  • Registered Users, Registered Users 2 Posts: 3,725 ✭✭✭The Last Bandit


    3.1 is fine for a 600, the newer releases really just bring enhancements for Workbench & productivity stuff rather than games.

    have a look at the BestWB setups , they automate and preload a lot of useful stuff

    ACA are the accelerators by Individual Computers, good but expensive



  • Registered Users, Registered Users 2 Posts: 4,285 ✭✭✭KeRbDoG


    Just notice someone in Ireland on eBay offering to burn Kickstart 3.1.4 if you still had a need/want;

    https://www.ebay.co.uk/itm/113455675721



  • Registered Users, Registered Users 2 Posts: 7,759 ✭✭✭Inviere


    Cheers kerb, though @Steve X2 was able to point me in the right direction. I've since changed my mind and will go with 3.1 now too.

    Been meaning to ask here actually, is a stock A600 with its 68k cpu truly sufficient for whdload games? Am I likely to run into compatibility issues on the stock cpu? If so, is the Furia 020 a good option does anyone know? I really don't want to soup up a 600 to silly levels, and just want an enjoyable but compatible whdload setup (obviously aga excluded)



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  • Registered Users, Registered Users 2 Posts: 8,891 ✭✭✭Steve X2


    I would say that its not that enjoyable to use the basic A600 for whdload(I did for a long time). I stuck in a FuriaEC020 along with 1MB of extra chip memory in the trapdoor(with a clock) and its a completely different machine. The Furia itself comes with 9.5MB of Fast Ram, that paired with the 1MB of extra Chip RAM and its a very decent machine for relatively low money spent on upgrades.

    I picked up my Furia from lotharek.pl for about €100.



  • Registered Users, Registered Users 2 Posts: 7,759 ✭✭✭Inviere


    Cheers Steve, that's more or less what I'm thinking. I have the 1MB trapdoor ram here and ready to go, but I was mulling over something like the 608 Mini, which is a clip on fastram upgrade to 8MB (so 8MB fast, and 2MB chip). The 608 Mini doesn't upgrade the cpu though, so what's left is still the basic 68k. I think I'll go the Furia 020 route....did you have any compatibility issues with it and your cf/sd setup?



  • Registered Users, Registered Users 2 Posts: 8,891 ✭✭✭Steve X2


    I've not had any real compatibility issues with the games and utils I've run. I think maybe I had to disable the FPU for some older games or utilities I was using, but that was a quick temporary change using the FuriaTune tool. CF/SD IDE speed is also greatly improved when the "ide speed up function" is enabled and I've not had any compatibility issues with that and just leave it on.

    If you need to use the PCMCIA slot you have to do a reboot holding CTRL+A+A for 3 seconds to disable a small portion of the memory on the Furia.

    http://www.kuchinka.cz/furia/



  • Registered Users, Registered Users 2 Posts: 7,759 ✭✭✭Inviere


    OK, I'm sold. Cheers Steve 👍



  • Registered Users, Registered Users 2 Posts: 8,891 ✭✭✭Steve X2


    You'll need to decide if you want the active or passive cooled version. I went with passive as I decided I could always add a fan later. But so far I run at 33Mhz and its not been an issue.



  • Registered Users, Registered Users 2 Posts: 7,759 ✭✭✭Inviere


    I'd lean towards passive cooling in this case, I can't imagine switching an Amiga 600 on and hearing a fan...wouldnt be right 🙂 but as you say, the fan can be added in later if needs be.



  • Registered Users, Registered Users 2 Posts: 7,759 ✭✭✭Inviere


    Took a chance on a water damaged GBA SP there, no joy. Both fuses testing fine, EM8 testing fine, I did find and bypassed a corroded trace thinking that must be it...but alas no, no charging, no power, and with the multimeter on x2 separate ground points on the pcb I'm reading 5v....so I'm assuming a short to ground somewhere, likely inside the charging IC. Board completely cleaned and visually inspected for shorts, but nothing. Rest in Peace little GBA....



  • Registered Users, Registered Users 2 Posts: 7,759 ✭✭✭Inviere


    Finally got some time to look at the Amiga 600 today. The Furia does NOT like my Sandisk Extreme 32GB sd-card at all unfortunately. Have ordered a Sandisk Evo Plus instead. So now, we wait....

    I was able to boot the Amiga with the Furia installed using a workbench floppy, so I know the Furia is fine. Hopefully the change of SD card will make the difference, and it's not the ide to sd adapter...



  • Registered Users, Registered Users 2 Posts: 8,891 ✭✭✭Steve X2


    I've a SanDisk Standard SDHC 8GB in my A600. Plenty of space for my needs and usually very safe when it comes to compatibility. I'd say its just being fussy about the SD you used.



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  • Registered Users, Registered Users 2 Posts: 7,759 ✭✭✭Inviere


    Bought a faulty Game Gear on Adverts. Cracked it open today, the quintessential crust of leaky caps all over half of the board. Decapped the whole thing anyway, and I await arrival of this newer type ceramic cap kit - https://retrosix.co.uk/Game-Gear-Capacitor-Kit-p141462762

    If I can bring it back to life, I'll prob go the whole hog on it and replace the shell, screen, etc.



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