retrotechtiveHad this for a while, but I've finally gotten around to ordering the parts.
The BFG 9060 will soon be built!
I haven't ordered a 68060 as yet, I really want to get a "full fat" one but I'm wary of the prices...
I do have an LC version in my TF1260 which I might borrow for testing...
If any of you have a good source for the full thing that won't cost me the earth, I'd be interested to know! 😎
And so it begins...
Freshly arrived parts. I think this is everything, bar the 060 (which is also on its way 😎 )
Nothing too exciting to show for the BFG9060 yet, but these tiny 0603 caps represent my first attempt ever at using solder paste.
I need to use it later for the CPLDs, so I thought I'd try it for the 24 of these caps.
Fun when it melts and automatically lines everything up 😎
Not so fun when the parts decide to go skating across the PCB 😬
First time I've done SMD resistor packs. Resorted to solder paste again because it made it easier, but my paste-fu is still a bit weak so it wasn't the sweeping victory I'd hoped for. Not the best joints I've ever done but they seem solid, if not pretty. Glad I've done all of those!
So, my attempt at doing the first CPLD with solder paste was an unmitigated disaster. Bridges everywhere and right up against the package too.
I tried to repair it with the iron, but it was just too awful to keep as it was - so I removed the chip with hot air and will do it again from scratch.
This time, I will do the usual drag soldering... so I decided to get a *proper* microscope to do that with.
I went with the Andonstar ADSM302. Hope it's good for the task.
Incidentally, my eyesight seems to be getting noticeably worse these last few years. I'm sure it's nothing to do with all this close up soldering work... 🤔
Holy someone or something!! It only frikkin worked first time!! 😱😱😱
Both CPLDs, updated and verified correctly on the first go for the #BFG9060 !!
This is all the more amazing because I was *convinced* I'd burnt the larger one during removal after the solder paste disaster.
Time will tell if it stays this way of course but... Wow.
Btw, new microscope is so much better than the cheap one I had before. I don't think I could have remotely managed to drag solder those things without it.
It does have an annoying habit of changing brightness depending on what's in view (so cleaning with a pure white cotton bud for example lowers the light level around it on the board, making it harder to see). I don't know if there's a setting for that yet, but it's the only mar on its operation so far.
Memory and memory buffers left to add, then just the sockets (ROM came pre-written too). I think I'll take a break for a bit though, don't want to get carried away and break it all 😁
Memory buffers added. I'm taking this slowly, can't test the memory until the 060 arrives anyway. But the new microscope plus improving drag soldering technique seems to be working out well so far.
Inken Paper 🇵🇸060 as is... Motorola 68060? is that a thing?
@crashglasshouses It is! 😎 I've actually got a non-FPU version in my A1200 (on the Terrible Fire 1260 accelerator), but the one I'm getting for this is the full version. They're not all that easy to obtain for a reasonable price these days though.
@retrotechtive i would imagine not, since the 040 and 050 are pretty rare as well afaik. never heard of the 060 till today.
@crashglasshouses was there an 050? I thought they skipped that number 🤔 I do have an 040 in my A2000, which I was lucky to get quite cheaply (I don't think the seller knew what they had!) - it's a speedy chip, but not entirely compatible with many Amiga programs unfortunately.
there is no 050, i'm mixing up numbers cause i couldn't remember if such a thing existed or not. the last time i saw any m86k stuff in person was with the Atari Falcon and TT, at the time they came out, at a computer show.