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Found 4 results

  1. Since my SE/30 Wi-Fi Mod was somewhat successful, I decided to apply a similar technique to my Colour Classic (I’m not a total Mac hoarder, I only have these two!). Here’s the result: (my Colour Classic is a Mystic with a 575 logic board, but this technique should also work on a stock Colour Classic) If you’ve got an SE/30 with a network card, then you’ll know that it is in fact 2 cards connected by a ribbon cable – this made my original Wi-Fi conversion easy as I could just re-arrange things inside the case. However, network cards in the Colour Classic butt against the case, so you’re restricted if you want to attach a Wi-Fi antenna. One solution would be to modify the network card itself – i.e. de-solder the RJ45 jack and replace it with an antenna. However, to me it seemed a travesty to butcher a vintage expansion card. Instead I came up with a non-destructive solution which involved mounting the antenna in the RJ45 port itself: Voila! The idea here is that the Ethernet connection feeds into the mac via a thin cable – and then the Wi-Fi signal feeds back out to the antenna (genius, I know...). I found these thin Ethernet cables on eBay, so I ordered a 1-metre one for just a few dollars: I stripped the wires off one end, and then I removed the plastic from the middle of an RJ45 jack using my Dremel: I crimped the cable back into the jack – but this time feeding the cable downward instead of outward. Then using some Epoxy Putty, I placed the antenna mount inside the jack. You need to work quickly as the epoxy putty sets like a rock in just a few minutes: With some fine sandpaper and a lot of patience, I got it looking pretty clean. A lick of paint: Now for the other end of the cable! The Vonets Wi-Fi card comes with some extra little bits for making your own connection: There are 6 pins on the Wi-Fi module for you to use: I soldered the 4 TX and RX wires from the ethernet cable onto the correct pins. The remaining 2 pins are for 5v power and Ground, so I soldered on another wire for the power. Here’s the finished assembly: I piggy-backed the Wi-Fi module onto the ethernet card using a 15mm M3 screw, nut & spacer: The final problem to solve was how to get power to the Wi-Fi card. I could use the same trick as my SE/30 project, whereby I pulled the power from the Molex drive cable using a splitter – however one nice thing about the Colour Classic is that you can easily slide the motherboard in and out via a single connector, I didn’t want to lose that. I noticed that the LC PDS slot on the motherboard was a bit longer than what the network card required. After a bit of research it turns out that there are 2 LC PDS connectors – a 96-pin connection and a 114-pin connection. I found the pinouts for the LC PDS slot on the Interwebs and lo-and-behold there is a free 5v+ and ground connection in the unused holes. I marked them using a Sharpie: Here’s the ethernet card and Wi-Fi module fully connected: With bated breath, I powered on the Mac expecting fireworks – but everything worked perfectly! The link light came on the Ethernet card, and you can see inside from the blue lights that the Wi-Fi card has power! Obligatory IP address screenshot Here’s my 2 Macs with their Wi-Fi Antennae
  2. LazarusNine

    CC (re-capped) Stopped Booting

    Hello all, The short version: The CC (re-capped) no longer boots. I seek guidance. The long version: I booted my Colour Classic earlier today after about 8 months of non-use and I ran into a series of issues. Let me start by saying that the CC has an LC 550 logic board. Both the logic board and the analogue board (integrated power supply) were fully recapped around two years ago (ceramics, tants, and electrolytics where necessary) with ONE exception. I had the wrong sized 330uf 400v, so had to resit the original (see photo). Nevertheless, the CC operated perfectly well after all that. Today is a different story. When I first booted the computer, I noticed that the screen was continually dimming and brightening, almost alongside the speed at which the hard drive was spinning. I initially thought there was an issue with the screen (flyback?). However, after rebooting twice and then trying a third time, the CC stopped booting altogether. When I flick the power switch, I hear the screen get a bit of juice, but soft power boot with the keyboard (tried multiple keyboards and different ADB ports) results in absolute silence - there's no indication whatsoever that a boot was attempted. So, now I'm wondering if it's a power issue. If so, what steps should I take to start discovering the culprit? Could it be that ONE remaining capacitor that needs changing (something I intend to do now anyway)? Might the fuse be blown as well? What's the rating on that? Thanks in advance.
  3. Hey folks. I remember reading about something similar to this some time ago. But I didn't pay that much attention to it as I wasn't really into CCs back then. Now I am though. I recently picked up a nice looking original CC. The seller advertised it as non working/for parts only and as it turns out, it boots up just fine. (apparently he had completely forgotten about soft power...) So that's good. What isn't though is this: NB: The flag in the top right section of the screen is supposed to be the French flag. Blue, White and Red. It's definitely not supposed to be green, white and blue. Interesting fact: when you give it a little whack on the side, the display becomes wavy for a couple of seconds then it goes back to the weird acid trip colours.... I know the last owner has been tinkering with its insides lately, so he could have messed things up a bit. But IIRC this problem can be caused by cold solder joints on the A/B or on the neck board PCB or simply by a completely shot CRT. That would suck. Or could it be just caps? I really doubt it though. Any clues to what I should look into first? Thanks in advance! Cheers, BGE
  4. Hi all, I'm trying to remove the analog board from my Colour Classic, so that I can send it off to have its caps replaced. I have all cables separated except for the thick red cable that connects the flyback transformer (I think that it is) to the CRT. I have only ever once removed this cable before - on my SE/30 - and it wasn't so difficult. I have read through the CRT guide in this manual and followed the procedure of pinch, push and twist. It's not coming out. Underneath the red cap I can see two pins. I am a tad apphrensive about using much force on the CRT proper. I also haven't discharged the CRT. There is conflicting advice as to whether this is necessary. The machine hasn't been turned on in at least a year. Is there anything different about the Colour Classic CRT ( aside that it's a colour Sony Trinitron ) in comparison to the usual B&W CRTs of the earlier compact macs? Thanks very much for any help that ye may have, aa
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