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With the headphone socket removed your going to need to jump pins 1 and 2 on the headphone socket or you'll get no audio, there is a normaly closed switch between those pins that disconnects the internal speaker when headphones are plugged in

The firmware needed can be extracted form FirmTek's updater for their SeriTek/1S2 card available here: https://www.firmtek.com/download/

I really hate the way the windows 10 (and presumably 11) home don't let you set up a local account when you install it unless you (a) disconnect the PC from the internet or (b) enter "user" as a MS account, then enter a junk password at wich point it comes up with a error saying "something went...

You would need to jump the pads that correspond to the switch or you'll get no audio at all, there isn't really any need to remove the headphone socket to so this Assuming the 475 uses the same headphone socket as the I/II/III this is a suitable replacement...

someone on 68kmla made clones of those (I can never remember who, the name ti springs to mind but I can't find the messages from when I brought one) I don't think the design was ever released though Edit: just found my (still unassembled) board, it was tt who made them

Another possible culprit is the headphone connector, it has a little switch in it that switches between the internal speaker and the headphones so it is possible that if the inside of the port is corroded neither the internal speaker no headphones will work correctly

You and me both! In fact if I had to option to buy a unitron or a twiggy mac i'd pick the unitron over the twiggy any day.!

Oh cool, that looks really damn easy, thanks!

Was it easy to export the required manufacturing data from sprint? I'm very tempted to get my next batch of LC boards assembled...

Ooooh, very nice :)

I brought one of these recently: https://uk.farnell.com/tenma/72-8710a/oscilloscope-2-ch-100mhz-1gsps/dp/2499520 It seems to work well enough for checking clocks and bus activity on retro computers It did however cost £130 less when I brought it!

Ian's fork is the one I used (and is the same one he uses in the video) I will say I didn't have any luck with the preset Adrian has made and ended up having to recreate it, I was testing this with a Plus board but my understanding is the video signal on all the compacts are pretty much the...

@Elemenoh have you had any issues with the IIx draining the CR2032's fast? My IIx drains a 2032 in about a month!

Just giving this LC PSU a nice hot bath :)

yep it's a standard 96pin din41612 e.g: https://cpc.farnell.com/multicomp/41612-96abc-fs/socket-din41612-c-96way/dp/CN20552?st=din41612

Personally for 30pin vertical SIMM sockets I always use Winslow WS3130SMRRC form https://uk.rs-online.com/web/p/memory-sockets/3789419/ I can verify these fit in SE/30, IIx and LC boards just fine

I think so, part number should be 343S0164 :)

Yeah I have had that before.... I'm still annoyed that the LC475 memory controllers they listed as in stock weren't! Though saying that most of what I have tried to order that they have listed as in stock has actually been in stock at the price they listed. They are a useful source of obscure...

I'm almost more impressed you actually got a quote back from UTSource! I don't think a single one of my inquiry's has actually resulted in me getting a quote.....