Re: RGB card for IIe

["Bryan Parkoff" <nospam@nospam.com>]

"Knut Roll-Lund" <kr-lund@nogarbage.online.no> wrote in message 
n--dnaIYO9SMu4ve4p2dnA@telenor.com">news:n--dnaIYO9SMu4ve4p2dnA@telenor.com...
> Bryan Parkoff wrote:
>
>> "Martin Doherty" wrote in message
>>>Knut Roll-Lund wrote:
>>>
>>>>Hi,
>>>>
>>>>I'm considering to buy an RGB/80-columns card for my IIe.
>>>>
>>>>Will a card from USA would work for me in my European Apple IIe?
>>>>
>>>>I think of the frequencies... My IIe is for 50Hz power and outputs a 
>>>>50Hz signal for video. Americans use 60Hz for power and video. So would 
>>>>an RGB card from US output 60Hz video in my machine which would be 
>>>>incompatible with a European monitor?
>>>>
>>>>If this is a problem, would it be possible to modify the card to 50Hz 
>>>>(by changing a crystal or something like that)?
>>>>
>>>>Knut
>>>
>>>When you say "European monitor", which monitor are you intending to use?
>>>
>>>Do you have an AppleColor 100 RGB monitor (model A9M0308)?  As far as I 
>>>know, this is the only monitor that will work with the Apple //e Extended 
>>>80-column text/AppleColor adaptor card. This monitor uses digital TTL RGB 
>>>signals - you won't get good results if you try to use an analog RGB 
>>>monitor like the one sold for the IIGS.
>>>
>>>Unfortunately I don't have the manual for this monitor, but the label on 
>>>the back says "Model A9M0308, 115 VAC, 60Hz, 1 Amps"
>>
>>     Are you sure that AppleColor 100 RGB monitor (model A9M0308) will 
>> work Apple //e's RGB card with 80 column?  You may know that there are 
>> some CGA Mitsubishi monitor probably work with RGB card, but they can't 
>> be certain if it is TTL or analog signal.
>
> I'll try to get a proper AppleColor 100 RGB eventually.
>
> I do realize that this is a digital RGB signals.
>
> I have two monitors that possibly can be used. One is an IBM CGA monitor 
> and the other is an Olivetti M24 monitor.
Knut,

    If I use Mitsubishi CGA monitor with ISA card, I would require to use an 
adapter from DB-9 to Apple //e RGB Card's DB-15.  I don't need ISA Card 
unless I connect to PC motherboard for testing.
    Are you willing to sell one of your two monitors?

Bryan Parkoff