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noglin's latest activity
N
noglin
replied to the thread
How does the upscaling work for the Apple TV Tuner Card?
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@joevt: reverse engineering it and making your own driver based on it, that's very cool. Kudos. Out of curiosity, if you don't mind me...
Yesterday at 4:15 PM
N
noglin
replied to the thread
How does the upscaling work for the Apple TV Tuner Card?
.
joevt, aha that would explain why I recalled SNES not looking worse on 5200. Thanks! "Power Mac 8500/8500 has a few options for video...
Tuesday at 1:32 PM
N
noglin
replied to the thread
How does the L2 cache work on NuBus (PowerPC)
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Actually, I think I had this part the wrong way about the RAM accesses: - I think the typical time it should take is 32 cycles, and then...
May 10, 2024
N
noglin
replied to the thread
How does the L2 cache work on NuBus (PowerPC)
.
Some insights: - the L2 cache is (as expected) not split. Data can use all of the 256kB. - I have not checked N-way yet (I think...
May 10, 2024
N
noglin
replied to the thread
External monitor cable for Performa 5200
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Thanks everyone! I actually managed to find one by chance on marktplaats, boxed new. Once I have it home I'll post picture here as well...
May 8, 2024
N
noglin
replied to the thread
How does the upscaling work for the Apple TV Tuner Card?
.
NJRoadfan, We are probably saying more or less the same thing. "mixes the output of the video data frame buffer and the graphics data...
May 8, 2024
N
noglin
replied to the thread
Performa 6200 Cache/ROM DIMM Error
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This is very likely the infamous 5XXX/6XXX specific issue. I *think* that issue is actually with the CPU itself, a hardware bug in how...
May 8, 2024
N
noglin
posted the thread
How does the L2 cache work on NuBus (PowerPC)
in
NuBus Power Mac, LC & Performa
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There is detailed information about L1 (as it is part of the CPU), i.e. N-Way (on 603 it is 2-way), cache policies, that it is LRU, what...
May 8, 2024
N
noglin
replied to the thread
How does the upscaling work for the Apple TV Tuner Card?
.
Where does that overlay function reside if not on the Valkyrie chip?
May 8, 2024
N
noglin
replied to the thread
How does the upscaling work for the Apple TV Tuner Card?
.
That's interesting! I had not researched this aspect very much as my main goal was to figure out if I could use the Valkyrie for...
May 8, 2024
N
noglin
replied to the thread
How does the upscaling work for the Apple TV Tuner Card?
.
I presume the following is what happens: - video card writes to the back-buffer (a) - system software gets a hint that the video card is...
May 8, 2024
N
noglin
replied to the thread
How does the upscaling work for the Apple TV Tuner Card?
.
So I actually have a quite deep understanding of this now. Thanks to the references and comments in here. I'll share it and hopefully it...
May 8, 2024
N
noglin
replied to the thread
External monitor cable for Performa 5200
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Thanks! Do you know if these are considered rare? I would prefer to wait and see if I can get one within EU to avoid the customs...
May 3, 2024
N
noglin
replied to the thread
Which 68k series can take a 5200/6200 logic board?
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Thanks! I suppose the opposite would work as well? Put a 630 series in a 5200?
May 2, 2024
N
noglin
replied to the thread
Which 68k series can take a 5200/6200 logic board?
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Thanks nixontheknight for confirming! Are those the only ones?
May 2, 2024
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