anyone ever get 16:9 out of irix/O2?
#1
anyone ever get 16:9 out of irix/O2?
So Just got my vga to hdmi working and it works great with SOG. I set my res to 800x600 and it came upSmilet supports these vga inputs: VGA Input Format
800 x 600/1024 x 768/1280 x 720/1280 x 768/1280 x 800/1280 x 1204/ 1360 x 768/1600 x 1200/1920 x 1080 @60Hz 640*480 no idea why the seller has all the resolutions backwards lol anyway. Ill be using it on 16x9 monitors. Has anyone ever compiled a 16x9 res for irix? i'll be running this on an o2. I looked at the default res's really quick but I dont have a ps2 mouse so the toolchest was blocking a few. but if there arent any does anyone know of a git that maybe someones compiled for 16x9 res's? For anyone curious here is the adapter: https://www.ebay.ca/itm/VGA-to-HDMI-Adap...2749.l2649 20 bucks shipped Smile.
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02-22-2021, 03:58 AM
#2
RE: anyone ever get 16:9 out of irix/O2?
(02-22-2021, 03:58 AM)mamed Wrote:  So Just got my vga to hdmi working and it works great with SOG. I set my res to 800x600 and it came upSmilet supports these vga inputs: VGA Input Format
800 x 600/1024 x 768/1280 x 720/1280 x 768/1280 x 800/1280 x 1204/ 1360 x 768/1600 x 1200/1920 x 1080 @60Hz 640*480 no idea why the seller has all the resolutions backwards lol anyway. Ill be using it on 16x9 monitors. Has anyone ever compiled a 16x9 res for irix? i'll be running this on an o2. I looked at the default res's really quick but I dont have a ps2 mouse so the toolchest was blocking a few. but if there arent any does anyone know of a git that maybe someones compiled for 16x9 res's? For anyone curious here is the adapter: https://www.ebay.ca/itm/VGA-to-HDMI-Adap...2749.l2649 20 bucks shipped Smile.

16:9 resolutions are definitely possible in IRIX. Some of the Discreet software installs additional VFOs, including a nice 1920x1080 one for VPro cards. There are also some posts on the forums here that contain a couple of 16:9 VFOs, although nothing that would work with the O2's CRM graphics as far as I know.

There's some info specifically related to the O2 available here: https://virdir.ncsa.illinois.edu/slevy/o...ghres.html. 1280x720 is likely possible, though I don't know if the O2 would handle 1920x1080. That document indicated some issues with 1600x1200, so it may just be pushing the limits of what the hardware can manage.

My O2 is packed away for an upcoming move already, so I'm not able to test on my side. Hopefully that documentation in the link will be useful, though!

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(This post was last modified: 02-22-2021, 08:18 PM by kaigan.)
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02-22-2021, 07:28 PM
#3
RE: anyone ever get 16:9 out of irix/O2?
It's been covered here before that 1080p won't happen on an O2, it's system max is the 1600SW monitor max (which is lower than 1080p). I think people have pushed the older 16:10 resolutions like 1400x900 because that's under the SGI flat panel max res. I'd assume you can do 720p in Irix, but I wouldn't because you'd not have that res in the PROM during startup. So it wouldn't be consistent during startup (which is bother the heck out of me).

Please remember widescreen is a NEW THING and never a standard thing before like 15 years ago. Now people use 16:10 and really odd wide ratios. SGIs were formed on VESA standards (count yourself lucky they even did that) of the monitor resolutions of the time, which we MUCH HIGHER than the video resolutions of the time!

I'm not trying to be a jerk here, but I wish people would please stop trying to hook an SGI to their new desktop PC monitor using HiDef interfaces. I mean do you go around and try to hook a VCR or old DVD player to your HD TV and complain about it not being widescreen? You are lucky it even provides a picture at all (compared to early Apples and Amigas/Commodores, you can't even do that with normal VGA most of the time).

Understand what it is and just do what the system was designed for, your life will be easier. A bunch of cheap overseas dongles are just going to heat-up and burn out or be a mess over time. Either get a standard Dell or Samsung 17-19" LCD VGA monitor and run at the default 1280x1024 and understand that for 1996, that was a big deal.

I run all my systems among a few old, nice, Dell and Samsung LCD monitors that you get for like $20 at the recycle PC stores. Circa 2007-ish. Looks great, just works, problem over.
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02-22-2021, 09:55 PM
#4
RE: anyone ever get 16:9 out of irix/O2?
(02-22-2021, 09:55 PM)weblacky Wrote:  It's been covered here before that 1080p won't happen on an O2, it's system max is the 1600SW monitor max (which is lower than 1080p).  I think people have pushed the older 16:10 resolutions like 1400x900 because that's under the SGI flat panel max res.  I'd assume you can do 720p in Irix, but I wouldn't because you'd not have that res in the PROM during startup. So it wouldn't be consistent during startup (which is bother the heck out of me).

Please remember widescreen is a NEW THING and never a standard thing before like 15 years ago.  Now people use 16:10 and really odd wide ratios.  SGIs were formed on VESA standards (count yourself lucky they even did that) of the monitor resolutions of the time, which we MUCH HIGHER than the video resolutions of the time!

I'm not trying to be a jerk here, but I wish people would please stop trying to hook an SGI to their new desktop PC monitor using HiDef interfaces.  I mean do you go around and try to hook a VCR or old DVD player to your HD TV and complain about it not being widescreen?  You are lucky it even provides a picture at all (compared to early Apples and Amigas/Commodores, you can't even do that with normal VGA most of the time).

Understand what it is and just do what the system was designed for, your life will be easier.  A bunch of cheap overseas dongles are just going to heat-up and burn out or be a mess over time.  Either get a standard Dell or Samsung 17-19" LCD VGA monitor and run at the default 1280x1024 and understand that for 1996, that was a big deal.

I run all my systems among a few old, nice, Dell and Samsung LCD monitors that you get for like $20 at the recycle PC stores.  Circa 2007-ish.  Looks great, just works, problem over.
people always magnet right to 1080 lol. the o2 is limited to 1600 I mean any 16:9.for example 1280x720
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02-22-2021, 10:29 PM
#5
RE: anyone ever get 16:9 out of irix/O2?
Yep, O2s cannot really handle the higher resolutions. I did manage to compile a 1920x1200 VFO for my O2 ages back, but there was numerous graphical corruption. It ran OK at 1440x900 however.

In the end though, I just set up my SGIs to run through a SoG compatible 20" 4:3 display. The Indigo2 runs at 1280x1024 and my Fuel runs through it at 1600x1200. Far easier than messing around with VFO files all the time.

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02-23-2021, 08:37 AM
#6
RE: anyone ever get 16:9 out of irix/O2?
How many of you have had success with using modern monitors without getting your screen stretched out? One thing that I've been ignoring since I got my Indy is how it tends to stretch out across my Samsung monitor. This is a new monitor from like 2016. I understand that you can't be upset about not getting 1920x1080 out of an Indy... However, if I could get it to display at 1280x1080 without stretching the screen out to 1920px... That would be nice. 

Could using other resolutions possibly solve this? Just wondering.

Also, how can you tell if your machine is putting out a PAL or NTSC signal? The Indy came from Norway and I live in the USA. I've wondered if it is putting out a PAL signal.
(This post was last modified: 05-13-2022, 08:17 PM by TommyBoy.)
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05-13-2022, 08:16 PM
#7
RE: anyone ever get 16:9 out of irix/O2?
(05-13-2022, 08:16 PM)TommyBoy Wrote:  Also, how can you tell if your machine is putting out a PAL or NTSC signal? The Indy came from Norway and I live in the USA. I've wondered if it is putting out a PAL signal.
The Indy built-in hardware includes a vino device, "Video In, No Out". It is not capable of PAL or NTSC composite video output without the rare Indy Video card.

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05-13-2022, 09:23 PM
#8
RE: anyone ever get 16:9 out of irix/O2?
(05-13-2022, 08:16 PM)TommyBoy Wrote:  However, if I could get it to display at 1280x1080 without stretching the screen out to 1920px... That would be nice. 

That's a feature (or not) of the monitor.  Some high-end monitors give you the option of scaling to fit or letterboxing the image.  Other monitors just always scale the image.  Check your monitor's setup menu.

(05-13-2022, 08:16 PM)TommyBoy Wrote:  Also, how can you tell if your machine is putting out a PAL or NTSC signal? The Indy came from Norway and I live in the USA. I've wondered if it is putting out a PAL signal.

As robespierre alluded to, PAL vs. NTSC pertains to video rather than computer graphics.  Most SGIs have a native resolution of 1280x1024 which is much higher resolution (and higher frequency) than PAL or NTSC.  There's really no comparison.

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05-14-2022, 12:10 AM
#9
RE: anyone ever get 16:9 out of irix/O2?
I've been able to get 16:10 resolutions (1440x900 if I recall) out of an O2 by making/compiling the relevant VFOs. Haven't tried with 16:9 as I don't like it as an aspect ratio so avoid 16:9 monitors. To go back to the top of this thread, I did manage to compile a 1920x1200 VFO for my O2, but there was graphical corruption so I ditched it and went back to a lower resolution.

In the end though, I decided it was simply easier to hook up a second 4:3 screen (20" Dell monitor capable of 1600x1200) and use that instead.

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(This post was last modified: 05-14-2022, 10:14 AM by Trippynet.)
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05-14-2022, 10:12 AM
#10
RE: anyone ever get 16:9 out of irix/O2?
(05-13-2022, 08:16 PM)TommyBoy Wrote:  How many of you have had success with using modern monitors without getting your screen stretched out?

My Dell supports 4:3 and 5:4 forced in the menu. I run my Octane on it (it ignores sog - we discussed this in some other thread) and, honestly, it looks very good.

Bonus: it has HDMI, DP and VGA, so I can keep two other computers connected and easily switch inputs.
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05-15-2022, 04:51 PM


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