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I have to assume since the SE/30 is basically a modified IIx, that the GLU chip in the SE/30 that is detailed here is similar or identical to the one in the II? Except the two had a MMU chip which was connected between the 68020 and the address bus connected to the ram. The IIx and Se/30...

Redid the paste with AS5, currently got her running at 400. Someone wants to give me $50 for it though...I dunno whether to keep it or sell it and buy more 68k Macs. It is nice to have a decent marathon machine again. TBH, though, I enjoy trading Macs for other Macs I've never had almost as...

HOLY SHIT!!!!! http://dyne.org/museum/apple/stuff/mac/andreas.kann/schemat.html

Charlie, that was a good start, thanks. I know there is no Nubus Controller in these old macs, the CPU does all the work (I think). Dennis, the stack is intact, I mean that something other than the CPU is manipulating data in memory, and generally, by using the ISP and MSP, and keeping an eye...

Hi guys, hopefully someone can help me out here. A friend of mine working on their Mac II in MacsBug, debugging the sound for a game they wrote, is noticing that something keeps stealing interrupts. Like an interrupt will occur but stepping through it and trying to RTE from the interrupt will...

Yeah the Pismo fell thru, the kid wants more than I have at the moment. So G3 it is for a while. I am going to try and change the clock speed to 400 Mhz, and see what happens.

I used to be fascinated with the IIsi (hence my handle). I have every piece of information (just about) that you can have relating to these machines, from the pinouts of all the chips inside them to the locations of different things in the ROM. You name it, if it deals with a IIsi, I probably...

Thanks for all the suggestions guys, but I have a deal that I might not be able to pass up. Someone I know may sell me their 500 Mhz Pismo!!!!! omfg. I've wanted one of those for a while and I think that's the fastest one. If this goes through, I may or may not keep the G3 tower. Let me...

Oooh, overclocking. Neat. Well, maybe I'll try that. Can I get G4 zif upgrades for this thing? Also, I might hit the Radeon suggestion, the rage pro doesn't seem up to task to play Unreal at 1024x768. It skips. Also, a card that supported antialiasing would be nice but might be asking too...

I Liberated a B&W G3 yesterday. Except for some outer case dust, it is flawless....it looks like it came out of the box. G3 300, 512MB of PC133, 80+14GB Hard drives, and a 16 MB Rage pro. Anyone have suggestions for a CPU upgrade or a video card upgrade? I'd like to play Unreal...

If you set your disk cache to over 1 MB the iisi gets a speed boost, since the 1 MB built in ram is then used as VRAM, since you're pushing the VRAM data into the 1 MB of onboard memory, and this has a latch that the RBV chip can use to access that ram separately. ;)

I just realized who flyingtoasteroven is!! Haha, I'm slooow. You came to my house last weekend to get the 840AV. How's it doing by the way?

Never really got into the whole podcast thing. What's that about? Is it just a show you watch on the internet basically? or does it involve iPods? I had an iPod but I sold it...iPods are one of the few Apple products I hate....they are evil! > :)

Hmmm, interesting. I'll try it again after fiddling with those settings, I remember seeing them somewhere. Thanks.

LOL, braaaaaaains. hehe. No, I had the Lisa in 1983 my dad brought it home. I wasn't programming at that point yet I was only 4 years old ;) Sorry to make it seem like I've been hacking away since then, I'm only 29....but I did start using Macs by 1986 or so, and by 1989 I was...

Hello all. New user here. I have been a huge fan of Macs since before they were sold, I've been using them in one form or another since 1983 (Yes they existed before they shipped in 1984 ;) ) I started out with a Lisa, and moved to a Mac Plus for many years. I started hacking on that...

I have a 840AV that is in excellent shape electronicswise but the case is hurtin... Someone is supposedly coming to buy it off me on Monday but if they don't, you can have it for cheap. It is maxed, 128MB ram, 1 GB drive, 2 MB VRAM, etc. I always wanted one of these since 1993 pretty much and...

You're talking about a II board with a MC68851 PMMU chip in em, since these are hard to find. I used to have one but sold it. The chip replaced the HMMU Hochsprung MMU chip that simply bridged 24 to 32 bitness. the PMMU allowed Virtual memory to be used, and contained a root table pointer to...