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About JDW

  • Birthday 02/25/1971

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  • Location
    Aichi-ken, Japan
  • Interests
    Church, family, travel around Japan, Mac computing, graphic design, web design, photography, videography, Newton 2100 PDA, System 6 fun on an SE/30

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  1. I have a socketed 50MHz 68030 Daystar PowerCache accelerator in one of my SE/30's, which uses the Power Central control panel to enable caches. In the documentation it mentions that Enhanced Power Math can be enabled by holding down the OPTION & COMMAND keys while clicking the PowerMath switch in the control panel. I confirmed this works because that results in an underline beneath PowerMath. (Enhanced PowerMath makes FPU performance even better.) Being curious, I held down OPT & CMD while clicking the PowerCache switch in the same control panel. This is not documented in the manual. A little black dot appears in the bottom left corner when you do that, as marked by the arrow cursor in the following screenshot: My question is, what does that little black dot in the bottom left corner of the Power Central control panel signify? Thanks.
  2. JDW

    SE/30 CMD-CTRL-POWER Reset

    @Von In other words, you are using an NPN transistor (and resistors) to make a simple investor, such that when the transistor is OFF the output is HI (i.e., Seasonic PSU disabled), and when the transistor is switched ON the output is GND (i.e., Seasonic PSU enabled).
  3. Well it is "blank" for me because I don't have page 9. But now that I think about it... @techknight The fact you know what is on page 9 implies you have page 9. Would you mind posting it or sending it to me via Message? Sometimes you just can't sleep well until your kit is complete, worthless or not!
  4. JDW

    SE/30 CMD-CTRL-POWER Reset

    I'm game for an SE/30 motherboard hack to make it work! We hack/upgrade pretty much everything else on the SE/30, so why not, right?
  5. JDW

    SE/30 CMD-CTRL-POWER Reset

    Right. And since ADB is a standard feature of the SE/30, why then doesn’t it take full advantage of that in terms of the power key on the keyboard and the reset keystroke we’re talking about?
  6. Thank you for the information, @techknight!
  7. JDW

    SE/30 CMD-CTRL-POWER Reset

    My understanding was that control-command-power was an Apple II keyboard combination originally, and as we know the Apple II predates the Macintosh. Consider also photos of the MacIntosh SE/30 and it’s stock condition which shows a power key on the keyboard: https://apple-history.com/se30 Why put the power key on the keyboard if it’s not going to be used in some way on the particular Macintosh with which the keyboard shipped ?
  8. A good number of Macs can use the Command-Control-Power keyboard combination to reset, but as I recall the SE/30 cannot. Indeed, the power key (has an arrow pointed left) itself cannot be used to power on the machine which is why I purchased a Sophisticated Circuits PowerKey Classic about 10 years ago to enable that feature. But do any of you remember the technical reason why Command-Control-Power doesn't work on the SE/30?
  9. @trag That's the problem! I used a pair of precision Japanese digital calipers to measure my three ROMs as follows (measuring thickness at the pads): SE/30 Stock ROM: 1.26mm (no issues) IIsi ROM: 1.30mm (no issues, see photo below) ROM-inator II MEGA: 1.13mm (occasional freezes, especially after having warmed up) Previously, @Bolle said he added solder to BOTH SIDES of the ROM-inator only to find it made matters worse for him. He then suggested to me to add solder only to the BACK side, which I interpret as "the cross-bones side" (i.e., opposite the chip side). I then asked him why adding solder to the chip-side pads wouldn't be better, but he never replied. I asked why because when I view my ROM's back side (crossbones) side pads, I see little nicks in them to indicate they've made contact, but when I view the chip-side pads, I don't see the little nicks. So I'm unsure what to do at this point. But I do know that following the ROM-inator documentation (rubber bands, etc) does NOT work because you are just pushing on set of pads closer to the motherboard pins while creating a pin-gap on the opposite side. Thoughts?
  10. Here's a photo showing how 1024x768 looks on my VGA display at 16 colors (which are the max colors for the Xceed Color 30HR), and note how it is shifted to the left and up too much on the display: And here's a photo at 832x624, also with 16 colors and this time shifted up and to the right too much: And here's a side-by-side of my two Xceed video cards: Here is the Xceed Video Card Comparison Chart. I'd really like to test my MacroColor 30HR with the VGA display, but again, I need an adapter with DIP switches to do that. Any generous souls out there with a spare one, please Message me.
  11. @Bolle I am looking at my SE/30 now. Are you sure that adding solder to the BACK side of the ROM (not the chip-side, but the BACK side) is best? I would think the opposite would be true. The pins pressing on the back look locked in place whereas the pins on the chip-side of the ROM seem to move a little. There's no way I can apply fresh solder to all the pads evenly (some solder will be raised up very slightly higher on some pads than others), I would think doing that on the chip-side would be best, since the motherboard pins could probably accommodate that better. Again, please let me know your thoughts. I'm a bit afraid to do anything for feature of messing up my ROM-inator. Well, I tested with my Xceed MacroColor 30HR (the one with VRAM problems). My VGA display did not work at all with it. Not sure if that is related to the VRAM problem (I doubt it), or related to my DIP-less adapter. Since I don't have an adapter with DIP switches, I cannot know for sure. And silly Amazon sellers in the USA refuse to ship to me in Japan. So if any of you have a spare DB-15 to VGA adapter with DIP switches you are willing to part with, please send me a Message!
  12. So adding solder to only the back side will help but not entirely solve the problem. OK. Thank you for the first-hand experience. It's a crying shame there's no perfect fix because the ROM-inator II MEGA is superb otherwise.
  13. Sorry for my delayed reply, but being in Japan means a rather large time difference. I'm unable to touch my SE/30 right now, but tonight I will test again. Here's what I can say for now. 1. I've not yet tried to move a window from off the external VGA display past the display edge to see if it will appear on my SE/30's CRT. I will test that tonight. 2. I only tested booting off my ROM-inator II MEGA, so I didn't have the ability to change or confirm resolutions, nor was I able to choose more than 256 colors. Again, I'll examine that tonight by booting off my external HDD which has more software. 3. I couldn't test much last night because my SE/30 keep freezing. The PSU, Analog Board, and Motherboard are all recapped, so it's not a power issue. And all 8 16MB SIMMs are firmly fitted into their RAM sockets, and all the plastic tabs on those sockets are good. I think it's the infuriating ROM-inator II. That thing has a design flaw in that the PCB chosen for it is too thin. And again, that's why in the ROM-inator II Manual (scroll down in that PDF to the page just before the last) they talk about a paperclip shim or rubber bands to try to fix the problem, but that doesn't fix the problem in my experience. That's why I think adding fresh solder to all the pads front and back might help. I'm just a bit scared to try it. Anyone else try it? Sure, I already have a IIsi ROM that's 32-bit clean, but the ROM-inator disables the RAM check at cold boot, enables use of HD20 mode on the Floppy EMU (which is greatly needed when you want to transfer more files than can fit in a 1.44MB floppy disk image), and it can boot from ROM and you can access your own software too (I have the programmer). And heck, I paid for the thing, so I'd like to see it work without freezing my Mac. 4. I have two Xceed PDS video cards. My MacroColor 30HR is the one with the VRAM problem whereby a vertical line appears on the internal CRT, and no, I've not tested that yet. The card in my SE/30 last night does NOT have the VRAM problem, but it's a Color30 or Color30HR, I think, with noticeably fewer VRAM chips. I will try to make time to test my MacroColor 30HR tonight.
  14. Well, I'm skipping for joy because the DIP-less DB-15 to VGA adapter I purchased from Amazon arrived today and it works perfectly with my Xceed Video Card to display color on an external VGA monitor, as shown in the photo below... One question for you, @joethezombie. You said your SE/30's CRT loses grayscale capability, but my internal CRT displays nothing at all (what you see in my photo above)!! Is this what you see? I've not tried switching resolutions yet, as I booted off my ROM-inator II Mega for a quick test. But if you can use your SE/30's CRT along with an external display, I am curious as to why I cannot. I'd love to hear your thoughts. Thanks.
  15. There are 8 pages of SE/30 schematics available for download on Andreas Kann's website here, most of which we SE/30 owners have all seen before: https://museo.freaknet.org/gallery/apple/stuff/mac/andreas.kann/schemat.html But the bottom right corner of some of those schematics indicates there are actually 9 in total. Has anyone found the elusive page 9? (I sent an email to the two email addresses I found for Andreas, but they are both dead. Not sure if he is even alive.)