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My Apple IIc has a 342-0033-B "MON" ROM (aka "ROM 0"). I asked several people how it differs from the 342-0033-A, but nobody knew. I was advised to READ out the content with my T48 universal programmer, so I did. I then downloaded the 342-0033-A ROM from an online archive and compared both in...

System 7.1

Interesting how this older thread popped into my view today. I missed it back when it was originally posted, so thank you, @trag ! I had a Brainstorm accelerator in my compact Mac back in the day. I ended up selling the machine to a co-worker when I was in college, I believe around 1990. I...

WarpSE Firmware 0.7e TESTING CONTINUES... I confirmed the SCSI Director Pro 4.0 problem affects BlueSCSI v1 & v2 only, and not a spinning platter drive: After that video, I put WarpSE on my stock Apple motherboard with IWM chip and it had the same problem with my BlueSCSI v1. So no one can...

@Zane Kaminski Lunch Break Test Completed, with GOOD & BAD news. (All testing was done with my SE Reloaded motherboard fitted inside the SE's metal chassis. SWIM chip installed.) GOOD NEWS Prince of Persia audio sounds great and the Demo was able to run all the way through with no freezing...

@Zane Kaminski I will try to make time to test firmware 0.7e and the Prince of Persia Demo on my lunch break today. LocalTalk should be still working fine, I assume? My last tests of LocalTalk involved opening Photoshop 4 on my networked SE/30, with the app being stored on the WarpSE...

MacEffects once sold an 8MB RAM Card for the Macintosh Portable. TechKnight did the original design and licensed it to MacEffects for mass distribution. That card went out of stock around 2021, and due to chip sourcing issues, it probably won't be in stock in the future. Some people who...

I have that card but didn't purchase it from MacEffects because it came inside a 5126 Portable I purchased. @techknight is the engineering wizard who created the original design and licensed it to MacEffects...

It's a great suggestion that works well! 👏 There's also another technique put forth by Thomas Lee, EE Professor at Stanford and author of the Classic Mac Repair Notes. Many years ago he shared his technique: Power on, crank up the brightness all the way, then yank out the power cord. Yep...

@SasquatcherGeneral I think @Paolo B makes an excellent point about the CRT neck, so you definitely want to give due consideration to that. I've made several videos about CRT discharge, and the one below (which leads you to the correct time stamp) shows the latest info, including the exact...

@MacEffects always comes out with some of the most incredible case recreation and this new one is no exception. This was originally a Kick Starter, and now that Mark has stock, the IIc clear cases being sent out supporters. I received one last night and made a video sharing my thoughts...

In 2007, 68kMLA member "Mac128" (David Sibley) and myself (JDW) discussed the creation of 800K "MFS" disks and floppy drives that would work with the Macintosh 128K and 512K, regardless of ROM version. Extensive testing was done to confirm what would and would not work. A month later, Mac128...

Two thousand smackers US! Wow. I say that because I have that very card and the original grayscale kit and wire harness, including the external monitor connector. I wasn't aware prices have risen to that level now. Probably would be hard to reverse engineer a video card that complex, but...

Seems you used System Picker and now you can only boot into Dark Castle and quitting restarts the Mac. Meaning, you seem unable to get to the Desktop in order to use System Picker and fix the problem. My advise is to not use BlueSCSI as a substitute for a FloppyEMU. I use my FloppyEMU for...

I made a quick and dirty 4K iPhone video showing a nifty graphics utility that Rob Kim, creator of the IIc "Tangy Pack" HDMI/VGA Adapter, made available on his Github page: DOWNLOAD: https://github.com/rowokii/A2C_TangyPack/blob/main/Software/A2_Graphics.dsk I first spotted his software...

Very interesting. Even though the problem is apparently fixed, it seems clear that we beta testers should probably test the Prince of Persia demo on every new firmware version release!

Problem confirmed while booted into both System 6 and 7.1. Rebooting with WarpSE disabled shows no problem at all, proving the problem is definitely WarpSE...

I've already gone home and the WarpSE machine is at the office, so I shall test that tomorrow!

@Zane Kaminski Just tested with BlueSCSIv2 while booted into System 7.1, and I get pretty much the same Disk score as you... I also tested Prince of Persia, both while booted from my BlueSCSI v1 and then the v2 (with the same SD card). I first booted from my BSv1 and got a freeze during...

How many minutes must we play PoP in order to see the bug?