Is it Eye-rix, Ear-rix, i-rix, E-rix or what?
> Is it Eye-rix, Ear-rix, i-rix, E-rix or what?
Brent Casavant bcas...@sgi.com
Kernel Engineer http://reality.sgi.com/bcasavan
Silicon Graphics, Inc.
Well, us Brits (well, me anyway!) tend to say i-rix (short first
But then, Brent's in Minnesota, you know. Most of us out
here in Mountain View (where it all started) pronounce
it IRE-ix (which Steve might like, actually).
Rob Warnock, 31-2-510 rp...@sgi.com
SGI Network Engineering <URL:http://reality.sgi.com/rpw3/>
1600 Amphitheatre Pkwy. Phone: 650-933-1673
Mountain View, CA 94043 PP-ASEL-IA
> Well, us Brits (well, me anyway!) tend to say i-rix (short first
Do you also say i-ris (short first syllable)?
("Do you also say Froe-derik?")
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"Steve Kearney" <s...@the-neuk.demon.co.uk> wrote in message
Do you remember that first linux webpages/homepages? They all had that
this file linked:
Nobody knew about linux and so Linus had to tell them how to pronounce
Is IRIX already down to some stage where nobody knows about it anymore?
Do we really need to record a file with the correct pronunciation? :O)
Who is going to record it?
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> Who is going to record it?
SGI's CEO, Bob Bishop, has a pretty nifty Australian + European
"international" accent and a nice pronunciation of "IRIX".
Or maybe we could have Cosmos record a few choice words.
in turn, do you call people EYE-rritable? :)
I call it i-rix (short syllable) but hell, pronounce however it looks
good to you :)
Steve Kearney wrote:
> Brent Casavant wrote:
>> On Wed, 23 May 2001, Steve Kearney wrote:
>>> Is it Eye-rix, Ear-rix, i-rix, E-rix or what?
> Well, us Brits (well, me anyway!) tend to say i-rix (short first
It's just you I'm afraid, I haven't heard anyone call it that!
If you want to reply to this remove NOSPAM from the address.
A long time ago, Silicon Graphics used to build a graphics terminal and
then a workstation called "Iris" like the flower or the part of your
eye. IRIX is wordplay on "Iris" and "Unix".
It all started with the IRIS 1000 terminal.
I was wondering if anyone knows of a website with images of the above
mentioned machine. I'd be quite interested to see what it (and the other
pre-Mips machines) look like.
btw the IRIS 1000 used an 68K for it's processor, didn't it?
And that's it. I wonder if there are any other pictures around and if
there are some machines left...
> btw the IRIS 1000 used an 68K for it's processor, didn't it?
From an a recent post:
8MHz Motorola 68000 - PM1 (variant of Stanford UNiversity "SUN" board)
10MHz Motorola 68010 - PM2
10 MHz Motorola 68010 - PM2
that may well be, but I think i-rix sounds cooler and thats how I will
continue to pronouce it, after all, if thats what I think then it must
be correct :)
and one more thing... HOLY WAR! :)
Most of the IRIS machines were deskside, though a few were rackmount
(which worked out quite well, as large drives at the time could easily
be mounted on the same rack).
I've heard of "IP1" in passing, but I've never read about it. Perhaps
"IP1" refers to PM1 or PM2??
+ I was wondering if anyone knows of a website with images of the above
+ mentioned machine. I'd be quite interested to see what it (and the other
+ pre-Mips machines) look like.
As I recall, the SGI 3000 (? I first saw them in 1989) was a rather
large, square box with wheels, roughly the height of a two-drawer file
cabinet, and perhaps a tad wider..
+ btw the IRIS 1000 used an 68K for it's processor, didn't it?
The aforementioned 3000 used a 68010...or was it a 68020? and running
on the order of 10 MHz... ;)
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Anyway, nobody ever complained, so I guess everybody knows what I'm talking
"Steve Kearney" <s...@the-neuk.demon.co.uk> wrote in message
Gerhard Lenerz wrote:
I've got 3 IRIS 1400s still running (reasonably) happily in pretty good
condition - early prototypes that SGI released back in 1984. I've been
meaning to take photographs for the last decade or so (in the absence of any
decent ones out there on the net) - but I have the problem that the room
that they're currently in is so cluttered with other kit that I can't get
far enough away to do them justice. I promise that over the next few weeks
or so I'll wheel them out and take some exceptionally high resolution
snapshots, screenshots, pictures of the boards, etc.
In quick response to anyone's questions, they do indeed run 68010 chips on
the PM2 motherboard (which is different to the IP1 that was introduced for
the 3000 series machines) - the board itself is a slight modification of the
Stanford UNiversity "SUN" board that was around at the time. The boards
occupied a 20 slot Multibus card cage. My machines have 8Mb of RAM in them,
and 24-bit color (in single buffer mode - two sets of 4096 colormap in
double buffer mode). No Z-buffer (hardware or otherwise) was ever available,
although a hardware floating point board based on a Weitek chip was
available. They have 2 72Mb Vertex MFM discs each (which are easily the most
unreliable part of the system) - with System Software 1.6 and 1.7(beta)
installed. (ironically, in light of the name of this thread, this was way
before anyone ever thought of rewriting/rebranding the OS as IRIX - the
'System Software' was still the original 'System V with BSD Enhancements'
UNIX as provided originally for SGI by UniSoft. IRIX came slightly after the
transition to the MIPS architecture with the introduction of the 4D/60).
As the entire architecture is designed for wireframe manipulation and
rendering with no provision for bitblting between RAM and bitplanes,
interpolated shading is impossible (although I did port PovRAY to it in
years gone by, and write my own Phong shading renderer that used the
Geometry Engine pipeline for doing transforming model geometry to screen
coordinates and then writepixels() to rasterise). There is rather crippled
support in the GL for drawing solid filled polygons, but nothing
particularly usable. Nothing fancy like antialiasing - but none the less
they run a surprisingly creditable and complete implimentation of IRIS GL
(and C was even included as standard in the OS back then!). I still use them
for basic IRIS GL development work occasionally to keep them ticking over,
although the absence of TCP/IP (at the time of writing) makes file transfer
slightly nontrivial. Oh yes. And they run flight.
Anyhow, I'll write up as much information as I can on them sometime soon -
If anyone has any further questions in the interim I'd be happy to try to
Shouldn't you give credit to John Levine *somewhere* on your site
considering the amount of information on the IRIS xxxx series which you've
lifted verbatim from his excellent Silicon Graphics IRIS 2000/3000 FAQ?
Matthew Hodgson wrote:
Sorry about that - it's on there now.
I won't be running this server for much longer btw. So take a look while
Oh yes, pleeaaase, I'd just love to see some screenshots...
Emmanuel Florac | Kreode technologies
I'll do my best. During my POV-Ray days on the machines I wrote a little bit
of GL which used readpixels() to dump the bitplanes to disk at
(1024x768x24bit) to disk as a Targa file. The combination of readpixels(),
incredibly slow disk access and my reasonably flaky C skills at the time
meant that the program takes an amazingly long time to run. The end file
(without any rll compression) was several megabytes long and so took up a
considerable (i.e. 10%) of the /usr partition of the disk - hence making the
program something of a liability in the end.
I never tested it on taking screenshots of the console text-viewport display
mode (almost 100% analogous to the cyan-bordered text console of current day
IRISes) - but as far as I can remember ginit() doesn't touch the bitplanes
until a gconfig() or gclear() is called, which should be sufficient to run
readpixels() to grab a pretty picture of the text viewport to disk. (AFAIK,
no windowing system was ever available for the 1400s - although MEX may have
possibly run on the architecture. I have a demo for the 1500 running on the
machine which shows that the clipping & windowing architecture was certainly
in place for it to be possible. On my installation, however, you sit in text
mode all the time until you call a ginit() whereupon GL takes over the whole
screen until the appropriate gexit().). With a bit more intelligence, I
might also be able to intercept some of the demos in mid-graphics such as
'shuttle' (running the engine which eventually evolved into powerflip) and
take screenshots of those too - although it might some require ingenuity to
avoid corrupting the bitplanes with a return to the text viewport. Doing
such nonstandard things is liable to be slightly dubious, as GL was very
much under development back then - the list of bug fixes in the 1.7 Release
Notes is highly amusing.
I'm not going to get a chance to power the machines on and take a look for a
week or so, and I am painfully aware that the harddiscs in the machines are
on their last legs - and whilst I have the original distribution media of
the 1.6 and 1.7 System Software on QIC tape, I have a horrible feeling that
it may have degraded to the point of no return over the decades.
Does anyone have any tips on ressurecting elderly QIC tapes?
I'm going to try to read them on my Personal IRIS first in case the 1400s'
tape drives have decided to turn to the dark side - but I am fully expecting
much fun and games to ensue. So to conclude, it might take a bit longer than
expected to produce some pretty pictures, but I'll do my best.
> Oh yes, pleeaaase, I'd just love to see some screenshots...
Me Too! Especially if you have the OS up and running
Big thanks to the others that posted reply's to my question also.
I though I had the only SGI's in Dumfries and Galloway!!
<tries to detangle top/bottom posting meleé, gives up, and opts to middle
I'm definitely British and based in Oxford - yet I pronounce it Eyericks,
which seems to make to sense considering (as pointed out elsewhere on the
thread) that IRIX is a blatant pun on IRIS - which I've never heard
pronounced as anything but Eyeris. I know someone who hails from Leeds,
though, who pronounces it 'Irricks' - which sounds more like some kind of
eczema cream than a rather funky OS imo. As regards calling it I.R.ix - that
seems just as bizarre and perverse as referring to IRISes as I.R.I.Ses. Also
has vague terrorist overtones. (/me waves to the FBI). And 'E-rix' sounds
like like it should belong to someone called Eric. but I digress. :-)
To correct my post from further down the thread (and answer the question),
IP1 never officially existed. If anything, it was a relabelling of the PM2
board as used in the IRIS 1400, 1500, 2000, 2200, 2300, 2400 and 2500. The
first actually used IP series board was the IP2 as used in the 2300T, 2400T,
2500T and 3000 series machines. The main distinction between the PM and IP
boards were that the PM were based on reference boards developed at Stanford
University whereas the IP boards were (and still are, i hope ;) developed in
house by SGI themselves (although often based on reference boards from
MIPS - explicitly the case for the original IP4 boards used in the 4D/50;
the first of the MIPS machines).
Or perhaps the IP1 was a prototype of the "Turbo" 68020-based motherboard
that eventually became the IP2.
The antics of the IP numbering system are quite interesting, though - I've
got a Personal Iris 4D/20 which is labelled up as a IP6.5 - and appears to
be an IP12 complete with R3000@20MHz - but underclocked to 12MHz to render
it functionally equivalent to a IP6. Dave Olson states in the past that at
the end-of-life of the 4D/20 SGI ended up underclocking (possibly slightly
defective) 4D/25s and selling them as 4D/20s - although makes no reference
to changing the IP number on those boards. When I get a chance I intend to
replace the crystal with a 20MHz one and see what happens.
Does anyone know anything more about these IP6.5s before I blow up my
Though the most notable pronunciation I've ever heard came from a
Imagine if you will a fellow that looked like a cross between
Groundskeeper Willie and Mr. Burns with a strong but slow Scottish
accent mixed with a wheeze.
"So you use AhhhwwwwReeeekksssss?"
He scared the living daylights outta me. It was pure evil... I could
picture a 20D11 granite monitor with flames shooting up from behind, two
red eyes atop a black background on the display, and his voice saying
Needless to say, I avoided that scary dude.