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My little proof-of-concept HyperCard RPG is up! https://macintoshgarden.org/games/rpg-demo-v0

From what I discovered, I was able to use 4 MB of the accelerator's RAM, and it uses the LB's RAM for maybe some caching. Being able to use 8 MB would be cool, but I'm with you on this one - I don't think it would be possible unless there were some new drivers made for it.

I wish there was a way to like posts! I'm learning a lot through these replies. :)

I extension and control panel gave me a hard time. In all the drivers I've come across, there was a HyperCharger 020 and HyperCharger INIT file. Installing both of those yielded these results: System 6.0.8 - Freeze when loading the extensions System 6.0.7 - Freeze when loading the extensions...

This is cool! I've never seen the pinouts detailed like this before! That's what I was thinking as well. :) The accelerator has been running great.

I wanted to drop by this thread and ask about something I had on my mind… I am well aware this is probably silly question. Is it possible to accelerate an accelerator? For instance, with this HyperCharger, upgrading the 68020 to a 68030 by dropping in a pin-compatible CPU? No plans to do this...

@cgp , you are a gentleman and a scholar. Thank you so much for providing these screens! It looks like I was right on the money with my settings, going by the notes you wrote on the cover! I got lucky! :) Thank you so much again for taking time to scan these!

Just a quick amendment/update to my previous post: I kept the jumper settings the same as I did in my previous post (Jumpers C, E, and F): …But I swapped the Logic Board's 4 MB of RAM with 1 MB of RAM, and re-soldered on the resistor. The result? The accelerator used its own 4 MB of RAM...

Alrighty, this should be the last post from me for a bit. I wanted to document what I discovered in the even that someone else picks up one of these cards and wants to know how to make it run a lot better! I actually ended up toying around with the jumpers, after finding another photo of my...

I got the HyperCharger 020 Accelerator running on par with an SE/30. :cool:

I'm sorry I keep bumping this thread, lol - this is my first accelerator, so I've been having a lot of fun trying different stuff out to see what I can find. I did some testing Tuesday evening and yesterday and found that these drivers for the Dove MaraThon gave me an impressive(?) 2.635 in...

That's exactly what I was thinking, too - a weird anecdote would be when I ran emulators on my DS or PSP for other consoles. If I had choppy/distorted sound, the emulated games would run perfectly, but when I fixed the sound, the framerate dropped, lol I'm just keeping the sound "distorted"...

I found this interesting snippet from an article I found archived from MacWorld: "… the HyperCharger ran at about 70 percent of the Prodigy’s speed. However, GCC shipped us an early version of an applica- tion that does load the ROM into the fast RAM. Using this application, the Hyper-...

I know this is a dead thread, but I thought I'd bring it back to ask if any folks here ever had any luck getting the RAM on this accelerator to work? I've got a new thread covering what I've done so far, but I'm stuck at trying to get this accelerator to use its RM (and copy the SE's ROM into...

Just a quick update - it was late last night, so I didn't post, but I made a bit of progress! (I think so, anyway, lol) I found that the GemStart 3.0 driver gave me a tiny bit more of a speed boost from what I can tell, and made the system a bit more stable. When I was using HyperCard's...

I saw something interesting after watching this video: Adrian appears to have a similar problem with the RAM that I'm having, and he noticed something interesting in one of the MacPeak Orion manuals: https://archive.org/details/orion-se-20-25-install-and-users-manual/page/n25/mode/2up

I tried all sorts of RAM combinations but didn’t make any progress. I clipped a leg from the resistor I installed (to make it easy to reinstall) and set my SE and accelerator back to the way it was before in the meantime.

Yep! I tested them in my Mac afterwards without the accelerator and they worked. I’m pretty sure at this point it’s the jumper.

Alrighty - I gave that a shot and nothing changed.

I’m going to give that a try right now - I just tried with 2.5 MB and nada - same error. I’ll keep you folks posted.