Re: Is it at all possible?

Date: Sat, 18 Feb 2017 21:25:44 +0100
Message-Id: <>
> On 2017-02-18, at 21:00, Gerrit Heitsch <> wrote:
>>>>> "The sweet spot is a 250466 board
>>>> Precisely…
>>>>> The VIC chip on those boards is a R5, which gives the clearest picture. "
>>> Not quite...
>> That's exactly what I mean. There may be some differences, which affect the perceived quality of the picture, like the luma levels on the early VICs or the traces running/not running where they shouldn't but other than that VIC is far behind other things when it comes to the quality of the picture.
> Only the 6569R1 has the luma level limitation with only 5 luma levels while all later revisions have 9.

I remember how once I was happy to put my hands on a ceramic R1. And how I was disappointed once I placed it in the socket and used it for a little while. I "luv" the ceramic chips but in this case I went back to the newer revision pretty soon.

> The differences between those are small.
> I still wonder what the problem with the 6569R4 was... It was only used for the short time, then they went back to the R3 until finally going with the R5.

I guess we won't be able to tell until somebody gets them stripped-naked and scrutinised.


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Received on 2017-02-18 21:00:02

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