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Yes your pictures show the config I am using. In my description DIMM 1, 2, 3 and 4 refer to the actual physical DIMM Regardless of whether using RISER A or B DIMMS are in Pairs in the slots nearest the edge connector so RISER A is populated in Slot 1 and Slot 2 and Riser B is populated in Slot...

Umm this is weird. first off, thanks go out to @phunguss for suggesting memory as that seems to be where there is a Bus issue. For clarity Riser A top, Riser B bottom DIMMs in riser A 1+2 and in riser B 3 and 4 Removed DIMMs 3 and 4 from riser b - machine runs fine Swapped DIMMs 1 and 2 for...

Thanks for the clarificatio.. I’ll pull the machine downstairs later and put it on the bench tomorrow and try with two DIMMs as per the data you provided. If it still reboots I will swap for the other pair. Hope it is just a simple DIMM failure.

Thanks for the quick response. That’s a good idea to start and involves no time… Will these work with just 1 DIMM? I thought (maybe incorrectly) that they had to be in pairs (top 1,2 then bottom 1,2 -top 3,4 and finally bottom 3,4 with position 1 inner most near gold riser edge connector).or...

Hi folks, I was gifted as part of a IT clearance I did, an Apple Mac Pro 1.1 in amazing cosmetic condition but there is a problem. The original owner said it just started rebooting after it had been on for a while. I removed the hard drive and fitted into her 5.1 MacPro so she has access to...

Thanks Kia, this subject needs greater exposure so in the slightly unlikely event that a greedy seller does research outside eBay they read this at least this provides a reality check, whether or not they accept that advice and knowledge is down to them or their stupidity. The price will show...

Here is another one. Not sure what this would work with and it does not like my LC or my supermac 8 or IIci internal video but I only have a single old 15” lcd so it may have been my display (image ghosts) sold it now but still have another without dips to sell.

This works on my IIci with onboard and supermac 8 card

Getting the socket off can be a pain and risks trace damage if you are not careful (I have just fixed a LC that someone tried recapping and destroyed the pads for the cap and resistor infront of the socket which they then tried to remove ripping traces off everywhere in the process) so be...

For anyone interested in recapping their Apple Design Speakers - I knocked these up when I did mine to cure an annoying hum (which recapping sorted out).

Umm - its got ridiculous. I would not mind having a 6100 or similar as a cross over or a Iivi for that matter but I ain't about to pay the stupid prices idiots think they are worth. OK so if your not a solder / rework kinda of enthusiast - fine buy a pre repaired / recapped machine and pay that...

It’s gone mad. This time last year I got a cap banged LCIII for £30.00 with some nice ram upgrades inside. Now people are asking stupid amounts. My IIci only cost me £90 delivered and it was full of the important cards Yet some sellers think these are worth £££. Admittedly they are not so...

Same here. Had a faulty recapped mac LC PSU sent in for repair and cap juice was under the ICs and the inductors but after a clean and reinstall of all the components worked fine. Hope yours is the same simple fix.

Ow, that’s kind of you. I will direct message you.

Hi all, Hope you are all enjoying your retro Mac’s Quick question if I may. Does anyone know of a 3 D printable replacement for the memory door/cover to fit the slot loading G3 iMacs that is available to download. Someone forgot to put the one on mine back when the decommissioned it. 😂😔...

The db25 blueSCSI is dead simple to use and maintain thanks to the fantastic work by its contributors. You will need to setup an emulator on a modern Mac ( there are tonnes of tutorials on line and even YouTube videos on how to do this). All the links to emulator stuff are on the blueSCSI...

Maybe add a link to the resources section to the psu replacements when they are available to make it eas to find.

I have some really good success mixing 6:1 Ammo MIG acrylics 965 Dunkeigalb Shine and 911 grey shine. sadly the numbers on my labels is wearing offf making it difficult to identify correctly but I am fairly sure that is right. I also add 1 part black or 1 part white to adjust for age. Regarding...

Hi, yes I replaced that capacitor as well. And repaired a small bit of trace damage leading to it.

Hi, Thanks for that information. Been busy with other stuff of late and a long winded trip to the Isle of Man in the middle of it all so PSU has been left alone for a while. I have since then now done the following: replaced,U1,2 and 3 UC3842AN Current Mode PWM Controller DIP8 and 2 xPC 817...