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Alex

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  1. Alex

    How to tell if SE/30 has been recapped?

    Personally, I think that those caps are not original from the sourced photos. They are not perfectly straight, they look like they were placed by hand. If you believe they are leaking replace them. Unless it is some flux that was not cleaned off. Whatever you do, DO NOT use a set of pliers to grip and twist the caps, there is a very high probability that pads can get ripped off the board which involves nothing but more labor. Personally I add heat on each side and go back and forth with the iron from + lead to - lead until I can feel that enough heat has started to help loosen the cap at which point, with pliers in the other hand I grip the cap and very slowly and lightly begin to lift the cap and use my senses to determine if I can pull on side up. The key is to use flux to create a pool of heat. I set my iron to 400°C. What else, well let me know if this helps. Oh, by the way, if you can, buy yourself a dead logic board or computer, any device really, that has caps on it, use it to practice on if you are not confident of your skills. I did this when I was starting off, which I feel that I am still in the midst of. I guess one never stops learning. Also, my method, at least with my skills does mean time gets taken up, it will take a while to get the cap of as things take time to get hot enough. In RED These definitely look like someone installed these by hand and it looks like flux residue. I guess you could check if it is flux which I am fairly convinced that it is but I would replace these with tantalum caps. In GREEN I would add some flux around any of the legs on chips and then hold the soldering iron at the end of the leg (attached to the board) to reflow that solder. The flux will help destroy the corrosive look. It should look shiny by the end. Flux helps clean and cause nice reflows of solder. Clean post reflow with isopropyl alcohol on a cotton swab, repeat if necessary and add a tiny amount of solder if you believe it is need. Alternatively, add flux to the green area and use a soldering braid to remove solder over that corrosive looking area then clean, then add more flux and return some solder back to that spot. You will know you have it right when you finally clean it and see a nice shiny finish to the solder. Don't put too much or too little. If you ask me, PACE has some of the best videos on soldering, this 9 part series, if you ask me is a prerequisite and will go through good soldering practice. I hope I of some use to you and the repair journey you are on.
  2. Alex

    SE/30 Symtom ID

    I am revisiting this thread because I just spent the last two days repairing the original board that shipped with this Mac. I purchased another MOBO which I replaced caps on and it's all good but I felt sorry for the original MOBO so I thought I should try to repair it as meticulously as I can. I still need to install BT1 (battery holder), axial capacitors C1 and C11. It still needs to be cleaned a little further as there are still traces of cotton threads from the Q-tips. What I found wrong with this board: Two pulled pads, some damaged traces (continuity broken) There were about 5 traces whose overcoat of epoxy was found to be peeled away leaving copper exposed and one trace without proper continuity so I had to add a copper wire to fix continuity. I do not have CW2500 (https://www.chemtronics.com/content/msds/CW2500TDS.pdf) to use as an undercoating to adhere new pads so eventually I will order CW2500 and finish the work properly. C12 and C6 missing pads C12 was temporarily fixed to the board using a thin Cooper wire in place of a pad, continuity is good. C6 also had a missing pad and part of the trace leading from the pad was broken. In this case I simply used a jumper cable from the negative side of the tantalum cap to the chip. I left some pics of the progress. I have yet to test the board in the SE/30 two axial caps to install and I need to clean up the cotton residues that I carelessly left behind. I am taking a few days off this project but will report back as I progress a little further.
  3. Alex

    Color Classic retrobrighting

    I tried saran wrap but will never EVER do it again, that's what it does, it causes those issues. I sit there with brush in hand leave the Saran Wrap far away from the retrobrite situation.
  4. Alex

    Sonnet 68030 PDS accelerator driver ?

    A very healthy section on benchmarking. Very detailed. Find it over on archive.org mac_MacWEEK_Upgrading_and_Repairing_Your_Mac_1995
  5. Alex

    The Sonnet Card Drivers Thread

    I don't know the dates. If you have a machine nearby you should be able to expand them.
  6. Alex

    Sonnet 68030 PDS accelerator driver ?

    I found a Sonnet full page ad in MacAddict 010_199706
  7. Alex

    Sonnet 68030 PDS accelerator driver ?

    I did a "contents" search for "030" and I am attaching what came up. Maybe this helps you narrow down the search to something more concrete. As I understand it, the card (called an Allegro by Sonnet) is installed in a Mac (please mention which Mac it is and the OS installed) but the card is not operating and/or visible by the system and therefore not working as expected so you've come to the conclusion that you might need a driver. Is this correct? Also, if possible, please attach photos of the card itself. It might help gather more details. As mentioned, include the Mac you inserted the card into and what OS version it is running as this too can shed some light on why the card is not operational but I am going to attach what I find here: I included a PDF that mentions an Allegro card. I also attached what I believe is the related software. I am searching some MacWorld and other Magazines from '94 to see if the name Allegro comes up. Whatever else I find I will let you know. chart.pdf allegro_v11_se30.hqx allegro_v11_se30.sit.hqx allegro_v12_macii.hqx allegro_v12_macii.sit.hqx allegro_v28_se_lc.sit.hqx Allegro.hqx
  8. Alex

    The Sonnet Card Drivers Thread

    Could you add a photo of the card you need software for? Please take photos of both sides of the card if possible. If it's too much trouble to uninstall the card, something from google image could suffice. So it is a tempo/tabgo card from sonnet that you need software for correct? Redundant question I know. It's funny that a few months ago I scraped the waybackmachine for sonnet stuff. If you want I can make it all available to you on my private FTP server. Just let me via a PM and I'll give you read access to the whole lot.
  9. Alex

    Sonnet 68030 PDS accelerator driver ?

    I have no idea if these help but if one or more of them relate could I ask you to Kindly name the one that solved it. That way it will help others. These files came from various sites including a wget on sonnet via the waybackmachine Clean Allegro Startups (8….sitClean Allegro Startups (8….sit Allegro v1.1 (for Mac SE30).sit Allegro v1.2 (for Mac II).sit Allegro v2.8 (for SE & LC).sit ce_install_v144.hqx crescendo_installer_v14.hqx presto8_updater_v31.sit.hqx presto_v31.sit.hqx Presto_v301.hqx allegro_v28_se_lc.sit.hqx crescendo_v124.sit.hqx Allegro.hqx apple_sys_prof_211.hqx apple_sys_prof_22.hqx crescendo_v136b2.hqx lw300_ls12s.hqx speedster_v15up.hqx appleshare_mmgr_init.sit.hqx metronome_v144.hqx metronome_v135.hqx metronome_v136.hqx metronome_v134.hqx metronome_v124.sit.hqx metronome_v101.sit.hqx allegro_v12_macii.sit.hqx allegro_v11_se30.sit.hqx 54xx_64xx_l2_cache_reset.hqx
  10. Alex

    Sonnet 68030 PDS accelerator driver ?

    I know it has been a while. I did a quick search, this is what I have online, I searched for Sonnet. I also checked my massive optical collection and attached a txt file with the results. Sorry I did not go through the results but maybe something is there for you. If you know the precise name of the file I might have it but I need a file name to be more effective. hypercard_sonnets hypercard_sonnets_meta.sqlite hypercard_sonnets_meta.xml pr071609_sonnettakescaiou.html Sassys Sonne.ttf Sonne.ttf Sonnet Technologies, Inc. Sonnet Technologies, Inc..webarchive sonnet_bkgnd-jp.pdf sonnet_bkgnd.pdf sonnet_blk.eps.hqx sonnet_blk.eps.zip sonnet_clr_rvrs.eps.hqx sonnet_clr.eps.hqx sonnet_clr.gif.hqx Sonnet_Crescendo_7200_1.0.hqx Sonnet_Crescendo_7200_1.0.hqx Sonnet_Crescendo_7200_1.0.hqx Sonnet_Crescendo_7200_1.0.hqx sonnet_firmware_updater_v31.pkg.zip sonnet_firmware_updater_v32.dmg.zip sonnet_ipodbattery.eps.zip sonnet_logo.sit sonnet_logos_and_products sonnet_pci_x_update_v126.hqx sonnet_sata10.pkg.sit sonnet_sata12.pkg.zip sonnet_sata202.pkg.zip sonnet_sata203.pkg.zip sonnet_sata204b1.pkg.zip sonnet_ships_2nd_gen_g3_pr.pdf sonnet_warranty0608.pdf sonnet_wht.eps.hqx sonnet_wht.eps.zip sonnet_x_tuneup_v127.hqx sonnet_y2k.pdf sonnetcache_pnthr_btn.gif sonnetcache_v13.pkg.sit sonnetcache_v131.pkg.sit sonnetcache_v131.pkg.zip SonnetCache1.4b1RM.pdf sonnetcache14.pkg.zip sonnetcache14.pkg.zip sonnetcache14b1.pkg.zip sonnetlogo sonnetlogo.eps.hqx sonnetlogo.gif.hqx sonnetraid_linux318.zip sonnetraid_linux321.zip sonnetraid_mac321.zip sonnetraid_win318.zip sonnetraid_win321.zip Sonnets.hqx wayback sonnet www.sonnettech.com Sonnet Search Results.txt
  11. Alex

    SE/30 RAM speed. <120ns ok?

    Judging from the "warning" in the screenshot I posted, I think it would be fair to assume that the SE user guide would mention a similar warning on 150 nS or faster RAM.
  12. Alex

    SE/30 RAM speed. <120ns ok?

    Two SE types and the Plus use 150ns. See the Apple memory guide PDF I posted, they are mentioned as 150ns.
  13. Alex

    SE/30 RAM speed. <120ns ok?

    I may as well add this general Macintosh memory guide from Apple Service Source. memguide.pdf
  14. Alex

    SE/30 RAM speed. <120ns ok?

    ok I found the answer. It is in the "Macintosh_SE_30_Owners_Guide_1988". I guess I should RTFM. I wanted to attach the owner's guide but I don't have enough space so I am attaching page 83 of the guide (page 101 of the PDF). Macintosh_SE_30_Owners_Guide_1988 PAGE 101.pdf
  15. @tanaquil I sincerely appreciate your very thorough response and the summary of experiences you faced. It's helpful to know that my case is not isolated.
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