Subject: Re: Good Question?
To: NetBSD/pmax <port-pmax@netbsd.org>
From: Iggy Drougge <optimus@canit.se>
List: port-pmax
Date: 02/16/2001 18:49:56
Peter C. Wallace skrev:
>On Fri, 16 Feb 2001 LFessen106@aol.com wrote:
>> I have a DecStation 2100 with a mono framebuffer - hence the good
>> question... Could I get a generic radioshack bnc to rca adapter and
>> just pipe the video through my vcr to my tv? It is after all just a
>> mono composite video isn't it? I just think it would be extremely
>> cool to be able to switch the channel to my NetBSD DecStation running
>> my browser, etc, at all.. -Linc.
>Well, not quite,
> Signal level wise you would be alright (RS-343?) but DS2100s video
>has 864 lines of vertical resolution (56 KHz horizontal) NTSC video has
>much lower vertical resolution: 525 lines and interlaced (15 KHz
>horizontal, alternate 262.5 line frames @ 60 Hz)
>Also might consider that the video bandwith of your TV = ~5 Mhz but the
>video coming out of the DS2100 is 70 Mhz...
This sounds interesting. Any more exact specs on the 2100 mono output?
I suppose this is the same as on the 3100? What is the vertical scan
frequency?
--
En ligne avec Thor 2.6.
We have support for the PMAGC-B's on pmax right? That is a PixelVision based
card right? I see Bt 463, that chip looks bigger than the 21164! Just looking
at it makes me want to write an Xserver!
Chris Tribo, NetBSD/pmax