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Hi, I have a Macintosh II here that I got as DOA. Recapped and cleaned everything, looks good so far. However, one issue remains: The device powers on as soon as voltage is supplied to the power supply. Also Soft-Power-Off does not work. Any hints on what I can check first? With kind...

Hi, is anyone in posession of a copy of Micro-Cap II for Macintosh? Since the company behind it has dissolved and released the software as freeware (available here), perhaps someone who still has a copy could share it. With kind regards, Egon

Hi, the speaker of my IIsi shows a interesting behavior: It's very quiet, no matter which level I set in the control panel. Essentially there are only two states: very quiet for all levels >0, and completely silent (as expected) for 0. Any ideas what could be the reason for this or which...

Hi, I got the following Nubus network card: Does someone know which model it is? Can't find anything about this one online, the closest match is a Farallon PN590 which has a extremly similar PCB layout but nontheless differs. Any help is greatly appreciated. With kind regards, Egon

Hi, as I intend to run System 6.0.7 on my IIsi - is there anything like the IIsi RAM-Muncher INIT, but only for System 6? The aforemention INIT needs System 7 as a minimum system requirement. Or am I better off with just creating a disk cache (or RAM disk) to fill up the onboard 1 MB RAM...

Hi, I'm looking for older versions of MacGhostView, especially versions of the 1.x and 2.x series. Unfortunately they seem to have vanished from the Internet and also archive.org hasn't archived the binaries and just the webpage from back then. Can anyone help out? With kind regards, Egon

Hi, has maybe someone already designed a 3D printable enclosure for a external fan attached to the PDS slot cover for the pizza box design Macs? I'm looking for one as I run a TokaMac LC in my LC and want to provide sufficient airflow to cool it properly. With kind regards, Egon

Hi, i got a Macintosh LC in excellent condition but with just 4 MB RAM and want to upgrade to 10 MB. I intend to buy PurpleRAM Sticks from Siliconinsider (https://www.tindie.com/products/siliconinsider/purpleram-16mb-4mb-x-4-30-pin-dram-simm-kit/) as I already have his SCSIknife and MacBatt -...

Hi, i intend to replace the stock fan of my Quadra 605 with a more silent one (Gelid Silent 6, 60x60x15 mm). The connector used to power the fan is J13 on the logic board and has three pins, but only two of them are connected and they are +12V (topmost pin, next to the silk screening J13) and...

Hi, as most of clips which holds the 30-pin SIMMs in place brake off by just looking at them, this has also happened to the previous owner of the Mac II logic board i'm currently working on. Has anyone a good working fix on how to secure the SIMMs in place when these tiny nibbles broke away...

Hi, i'm currently reworking a old Mac II logic board and think about how to best replace the two 1/2 AA batteries. How have you solved this? The most simple idea to me was to just wire and solder double battery clips on it and just use regular AA batteries in series: This will give the...

Hi, maybe a very noobish question - but how to change to keyboard layout on a US 7.1.1 to German? There isn't any option in the Keyboard settings: On 6.0.8 that was only possible when a International version was installed, but i thought that this changed in 7? Best regards, Egon

Hi, does anyone has the installation disks for MathWriter II? They are absolutely unable to find anywhere on the net. Someone over at the emaculation-Forum also directly contacted the author and he's also unable to provide them - he also told the poster that it would be OK to release them into...

Hi, i'm currently restoring a Quadra 650 back to it's fully glory and thinking about which heatsink to use for the 68040/33. I have two options: Option 1: Original Apple 68040 Heatsink: The stock one already on it. Option 2: Using one of these: (Aluminium, 50x50x11 mm, would glue it on top...

Hi, is there anywhere a specification on the physical dimensions of NuBus cards available? I want to create a 3D printed Nubus card which can hold a SCSI2SD (or ZuluSCSI) with the SD card available from the slot cover. As a last resort i could simply measure the Apple NuBus video card in my Mac...

Hi, i just picked up a Quadra 650 locally which is missing all of it's RAM except for the soldered 4 MiB. As i don't have any 72 Pin FPM SIMMs around, i think of buying "Offtek" branded ones which seem to be completely new sticks built out of new components. Has anyone already experience with...

Hi, are all B/W 9" Compacts using the same (e.g. interchangeable) CRT tubes? The CRT on my Plus is really worn out and i might be able to pick up one from a SE for small money, but don't know if it will fit. From pictures i saw they really look (absolutely?) similar. Cheers, Egon

Hi, i just swapped my GeForce 2MX in a DA for a (original Apple) Radeon 9000. The system boots into 9.2.2, but after it has been loaded, i'm unable to do anything with either the mouse or keyboard. The mouse can move, but no clicks are recognized. The keyboard does not work entirely. However...

Hi, i just started playing around with the IIgs (in Emulation) and have a few questions about this system, which eventually someone is able to answer: 1. As far as i understand, ProDOS is the base operating system with GS/OS as the graphical shell on top of it, similar to the combination of...

Hi, my Macintosh II seems to be dead in the water, power supply isn't starting up, even when using the jumpstart method of supplying 5 V between the white pin and ground. So my assumption is that the PSU itself has some issues. Are there any known issues with the Astec AAI3780 power supply which...