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  1. There are times when you want to make a very long, custom cable so as to pull the SE/30 motherboard outside the chassis for easier testing while still being able to power up the machine. Until now I've been soldering wires onto testing points and pulling those wires outside the chassis, but that is fiddly, time-consuming, and prone to accidental shorts. Rather than mod an existing cable by making it longer, it's better to create a new cable. Surely someone here has done this before. If so, could you please provide the connector part number (or exact web page on Mouser or Digikey) as well a
  2. First, I'd like to thank @ttb, @aeberbach and others who contributed to my separate thread on SE/30 SONY Chip Voltages. The conclusion of that thread is that while most of the 47uF capacitors on the motherboard see only 5v, there are 4 which see about 12V. That is actually a problem for those 4 capacitors. I know that many people, myself included, recap very often with Solid Tantalum capacitors, myself having used 16V rated parts in the past. But there are important reasons why we need to stop using those 16V rated "solid" tantalums on the SE/30 motherboard, despite the fact that most of y
  3. From the album: Bits and Bobs

    Pulling the 16MHz 68030 off the motherboard.
  4. Destroyed a few pads on my CC and SE/30 boards. CC was the first board I tried to re-cap, with my rusty soldering skills and not the best iron. My electronics guru helped reconstruct most of the traces but we couldn't get this last one and I can't tell what it connects to. SE/30 recap went smoothly (I learned from my mistakes with the CC and took it slow) but I broke a pin off UF8 and then killed 4 traces trying to remove it!
  5. Have any of you ever measured voltages at UB10 or UB11 (Sony chips) on an SE/30 motherboard? I don't have a long enough cable to safely pull out the motherboard to test that. I am specifically curious if capacitors C3, C4 & C5 see a maximum of 5V or 12V. I suspect one or more of those 3 capacitors do see 12V since the SE/30 schematic shows 12V going into those SONY chips at more than one location. A datasheet on those SONY chips would be wonderful, but I can't find anything like that. The reason I ask about the voltages across C3, C4 & C5 is because I've be
  6. The Mac is being sold for 300€. The physical condition seems decent. But it has probably some analog board problems. Here's what the translated description says (original language is italian): The conditions can be seen from the images, working with small defects: at startup, a "recovery volume" disk image appears over its HD but the computer works normally; if it is turned on again immediately after switching off it does not work and the last active image is displayed ("Now you can turn off Macintosh"); if it is turned on again after a few minutes and for the next 10 minutes,
  7. To all interested parties. I have downloaded the SE/30 schematics and they appear to be a bitmap (black and white only) scan of what I gather are the original documents. I am more than willing to recreate the documents in Adobe Illustrator and upload them to the WIKI but before I take on the task. Are there already vector versions of the schematics floating around somewhere, in which case my effort would not be worthwhile. Could someone be so kind to fill in this gap of knowledge so that I can take on the task or abandon it for obvious reasons. Also, if schematic modernization
  8. Hi All, One of my SE/30s is getting its motherboard recapped and this is what is PSU looks like with leaky goo: The machine has a new old stock analog board and will have the following when completed: Micron Video card with grayscale adaptere Daystar 50 mhz accelerator that goes plugs into the socketed motherboard Asante Ethernet Given this planned configuration, would you recommend getting the PS recapped or heading down the path of hacking in an ATX power supply? FWIW, reecapping is not in my skill set but I think I could follo
  9. I need a new PSU for my SE/30, and it would be best if I got a modern one that supplies more power than the stock PSU. Any idea what ARTMIX could be using? (I doubt they made a custom designed power supply just for the SE/30. It certainly must be an off-the-shelf model, I would think.) http://www.artmix.com/hps_2009_EVO.html There are two +12V outputs, one being for the SWEEP. I assume these are isolated? For why offer two +12V output's instead of one powerful +12V unless they are needed to be isolated (to avoid noise issues)? I might be able to afford
  10. Hi, I'm new to this forum as a signed user, but I've read a lot of forum's postings due to my interest in SE/30 I would like to hear your opinion to a problem that I'm facing with my SE/30 and Daystar Turbo 040. First let me tell you the upgrades that my SE/30 has. I have replace the standard hdd with an Apples 2GB scsi. I put 8 x 16MB simms so total ram is 128MB I replace the power supply with one from Stratos The first card in the PDS slot is an Asante Ethernet. The second card is a Daystar Dualport iisi, which with a paper clip i have connect pi
  11. OK, so I recently recapped my SE/30 mainboard and it went smoothly, and it resolved a weak sound issue. Little guy worked just fine. Great, I thought, I'll get ahead of the curve and recap my (Astec) PSU and analog board. That goes smoothly as well, and I resoldered a few grey-looking connectors on the ab while I was at it. Reassemble, power on... thin vertical simasimac and no chime. Weird, but OK, time for some obvious checks: - checked voltages, all rock solid coming off the ab, and the usual checks on the mb - double checked the ROM SIM and make sure it's clean and se
  12. So I have a bit of a problem I recently acquired an SE/30 that was showing symptoms of vertical failure - on boot up it only displayed a single horizontal line. After reflowing the joints on the P1 connector, replacing the TDA1170 on the analog board without any improvement I finally put my SE logic board in the case to verify that it wasn't an analog board. What do you know it wasn't, the analog board on the SE/30 worked perfectly. After probing the logic board with a multimeter, I found that the video PAL IC responsible for generating Vsync (part number 341-0747-A) just w
  13. Since I am not too shy about asking for help with my myriad Quadra issues, one of the things that has been going great is my SE/30 (edit - until last week!) Here's my setup: SE/30 recapped running System 7.5.3, Mac OS 8.1 and A/UX 3.1.1 (the latter requires me to disable the 040 card) SCSI2SD (8 GB) 128 MB RAM ("new" 30-pin all purchased from MemoryX.com) BMOW ROM-inator II SIMM w/ Turbo040 driver courtesy of @olePigeon Bolle's "short" PDS adapter Asanté MacCon SE/30 Daystar Digital Turbo040 @33 MHz On my wish list: Some solderin
  14. Hi I've been having some issues with trying to replace the old IDE HDD on my 630CD with a Compact Flash drive. I acquired the following hardware: - IDE 2 CF adapter: http://www.sybausa.com/productInfo.php?iid=384(supports UDMA) - 4GB SanDisk Ultra Compact Flash card (works fine in DSLR camera and via USB to iMac). - 4 pin Molex (HDD->FDD) cable (to supply power to the adapter board). On the software side, I have used Apple's (IDE) Drive Setup software from my 7.5.3 install CD (and other versions). This will recognise the "IDE" or "ATA" bus and the attached compact flash card
  15. Hi there, Recently, I picked up two SE/30 boards to repair. So far, I’ve been having trouble repairing them as both seem to have Simasimac even after cleaning and recapping them. One of the boards has the early stages (artifacts across screen) with death chimes while the other one has zebra bars and no chimes whatsoever. Both persist even when ROM and RAM are pulled out, both have no batteries, and both persist after resetting (both power and buttons on board) What steps should I take next?
  16. Folks, let me be clear. MacEffects is worthy of your consideration.
  17. After finally getting around to looking at my second SE/30 and its SCSI problem I think I need a second opinion: The machine is fully recapped and other than the SCSI issue works perfectly. Symptoms: SCSI disks are seen but any filesystem found on the device gives an error "Invalid name". Initialisation hangs and then times out. I've buzzed out all the SCSI lines and the system data lines and they seem fine. Using an oscilloscope I can see data transfer on every SCSI data line. I'm using a known good SCSI device which works on other systems.
  18. I’ve had an idea for a while to add Wi-Fi to my Classic Mac. I finally got around to putting it together and I think it turned out really well! I thought I’d post my experiences here for anybody interested. There was no hope of me building a PDS Wi-Fi card from scratch - but I already had a DaynaPort E/SI30 Ethernet card so I thought that I might be able to attach a Wi-Fi Bridge to the existing card via the RJ45 port. My first thought was an Arduino Yun board, which has both an Ethernet port and Wi-Fi built in – but they’re expensive, and to me it seemed overkill to use an entir
  19. Hello everyone! I have a SE/30 that boots from the internal HDD only if a ZIP drive is connected. I initially thought it may have something to do with bad traces on the motherboard (and still haven't checked since it is not my area of expertise), but then I remembered: the HDD is a Seagate 8GB drive taken from an external Lacie enclosure. Is it possible that I have to terminate it with the switches present on the HDD? I found the manual for the drive but I am unsure on how to proceed. Maybe it has nothing to do with this, but the jumper plug on J2 is set to "term power from
  20. All – I'm genuinely flummoxed by this. Have any of y'all seen this happen before? I took a working, recapped SE/30 without a PRAM battery, installed a new PRAM battery off Amazon, and boom – simasimac on boot, no chime, even after waiting for RAM check to complete. Removed the PRAM battery, and I'm stuck with the same simasimac. Would y'all know what might have happened here, or how inserting a PRAM battery in an SE/30 that previously worked might lead to a simasimac? To make sure I hadn't accidentally unseated a ROM or RAM SIMM, I removed all of the SIMMs, soaked them and the logic
  21. Hello I am going to be reworking the logic board on an SE/30 and am looking for a list of capacitors for the board. The board I have has already gone through a repair by an unknown third party and I intend to remove all the caps he put in place. I would like to install the original electrolytic capacitors and other caps that the board hosted. I don't want to go with tantalum capacitors because of their very disruptive end of life characteristics, namely they can blow up. I would appreciate if someone in the know could provide me a list of caps and their respective locations.
  22. Hi everyone! After some time searching for one, I Irecently bought an Apple IIgs keyboard for my SE/30 (the seller lives just 2 km from here, what a coincidence!). It is quite yellowed but the keys are quite nice and not sticky. I plugged it to a SE/30 with a cord taken from a working AEK II but nothing happens. It appears to be totally dead. Either port doesn't seem to work. Am I missing something? Even the PCB doesn't appear to be too terrible. I really wouldn't want to resell it or buy another one - they are too hard to find and import to Italy.
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