Hewlett Packard A2094 Monitor (Standard RGB ?)

From: Richard Erlacher <edick_at_idcomm.com>
Date: Sat Dec 11 10:05:46 1999

I seriously doubt that the sync signals have any effect at all on the
"stereo" vision effect you may observe when playing some games, etc. In
fact, at the risk of saying "bah, humbug" about what's obviously a popular
feature, the monitor, as far as I can see, can do little to help what's
being displayed on it. Of course, being bright, sharp, well converged and
linearized, is always better than not.

Using a fixed ffrequency monitor on a PC is always a pain in the *ss. No
matter how diligently the vendor of these cards calining to make it work
have pursued the features, there's always some sort of problem, be it the
mouse, the floppy disk, something is going to screw up. I'd advise anyone
contemplating this sort of monitor to get an a/b switch as sold by MEI and
countless others and use the BIG monitor for WIndows or whatever they want,
and use a $10 vga from the thrift store for everything else. That should do
the trick with minimal pain. That way they must have a video card capable
of supporting their monitor, but don't have to have a custom BIOS rom on it
to support the BIG monitor. IF the card you are considering will support
the non-interlaced 1280 by 1024 at the vertical rate, or close to it, for
which the monitor was designed, you should consider yourself lucky. These
won't be cheap, because the video DAC has to be very fast, (run the
numbers!) to cough up pixels in 64k colors at 1.12x the product of the
horizontal rate and the number of pixels. That $160 card which was
mentioned yesterday on this thread was capable, but $160 is not an ordinary
price!

Dick

-----Original Message-----
From: Carlos Murillo <cem14_at_cornell.edu>
To: Discussion re-collecting of classic computers
<classiccmp_at_u.washington.edu>
Date: Friday, December 10, 1999 9:09 PM
Subject: Re: Hewlett Packard A2094 Monitor (Standard RGB ?)


>At 12:00 AM 12/9/99 -0500, you wrote:
>> Input Signal
>> Video Signal : Analog
>> H Frequency : 68.7
>> V Frequency : 75 Hz
>> Sync Signal : Green, Composite, Separate
>>
>> Input Connector
>> 5 BNC
>>
>> Maximum Resolution
>> Maximum : 1152x870, 75 Hz
>> Macintosh : 1152x870, 75 Hz
>> Flicker free :
>>
>> User Controls
>> Analog controls
>> BR, CT, CV, VE
>>
>> Plug and Play
>
>Plug and play? what!
>
>
>The a2094 is a very nice fixed frequency monitor for the hp9000-700 series
>circa 1992-1994. 72 Hz vertical, 1280x1024 NI resolution. Very dark, nice
>tube. Sync on green. I believe that it has extra sync stuff to do
>stereo vision effects with the right graphics card. The card in my 735
>has a stereo output, but the monitor that I have (A1097C) is nowhere
>as nice as the A2094.
>
>Looks like the person who wrote the data for that web site plugged
>it into a mac, it sort of worked, and then assumed that those were the
>original specs. Being sturdy, it probably will sync at 75Hz
>and survive, but it was designed for 72Hz.
>
>
>
Received on Sat Dec 11 1999 - 10:05:46 GMT