Difference between deskside Origin 2000, 2100 and 2200

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jan-jaap
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Difference between deskside Origin 2000, 2100 and 2200

Unread postby jan-jaap » Tue Dec 20, 2005 1:23 am

So, I got myself an "SGI 2100".

Apparently, around the timeframe that the cube was abandoned, they split the Origin 2000 product line in "SGI 2100", "SGI 2200", "SGI 2400" and "SGI 2800". The 2400 and 2800 are racks. I'm a bit confused about the 2100, 2200 and their relation to the (deskside) Origin 2000.

According to the manual "The SGI 2100 server is similar in size to previous SGI deskside systems. However, there are some design differences between it and Origin systems, notably an upper limit of eight CPUs for a system", and "The SGI 2200 server is the exact size and architecture as the Origin 2000 deskside system. However, internal microprocessor features and speeds are different". So, this makes the 2200 a deskside O2k with faster CPUs and new style skins, and the 2100 it's somehow limited brother, right?

I've been reading up on the various router boards. There seem to be 3 (plus one for systems > 64 modules):
1) NULL router - for anything with up to 2 nodeboards
2) Star router - with one external NUMAlink connector.
3) Rack router - with 3 external NUMAlink connectors.

With 2 star router boards you can connect 4 node boards (connecting the external NUMA link ports with a NUMA "jumper"). This corresponds with a fully loaded Origin 2100, right? After all, it's "limited to 8CPUs / system", so not supposed to be craylinkable to another deskside / rack.

The thing is, it looks like I have 2 rack routers (each router has 3 NUMAlink ports, 2 of which are unused and 1 is used by the "jumper" between the 2 routers. Does that mean I really have an SGI 2200 (a.k.a. deskside Origin 2000) here, or are there other differences / limitations? I like the idea that I could eventually hook it up to an Onyx in the future 8)

Somewhat related to this: I don't think you can craylink a deskside without taking at least the front skin off. What's the purpose of this design?
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Unread postby foetz » Tue Dec 20, 2005 8:28 am

the main thing was that the 2100 was sold with these 350mhz boards limited to 8 cpus. it was the 'entry' deskside.

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Unread postby kshuff » Tue Dec 20, 2005 1:52 pm

My deskside Origin2000 has the two IR routers (what you call rack) with the numa link jumper. These routers have the three numa connectors on them.
-ks

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Unread postby joerg » Tue Dec 20, 2005 1:53 pm

foetz wrote:the main thing was that the 2100 was sold with these 350mhz boards limited to 8 cpus. it was the 'entry' deskside.


The SGI 2100 comes with r10k@250 OR r12k@350. Keep always in mind that these %$"§%&$% boards not worked in an real machine like a fine origin rack.

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Unread postby jan-jaap » Tue Dec 20, 2005 3:45 pm

joerg wrote:
foetz wrote:the main thing was that the 2100 was sold with these 350mhz boards limited to 8 cpus. it was the 'entry' deskside.


The SGI 2100 comes with r10k@250 OR r12k@350. Keep always in mind that these %$"§%&$% boards not worked in an real machine like a fine origin rack.


Hehe, I think I was lucky there, comparing part# between your system and mine, both have:

Code: Select all

            IP31 Board: barcode FXN068     part 030-1255-003 rev  A
        IP31PIMM Board: barcode FXP466     part 030-1313-002 rev  B

From the ´hinv´of 87porsche´s 2100:

Code: Select all

  IP31PIMMSG2100 Board: barcode LAY914     part 030-1572-001 rev  F
            IP31 Board: barcode LHW101     part 030-1523-001 rev  C

But I already knew this box was bought as an upgrade and the original node boards were ripped out. Guess i was lucky with what was put back in...

The midplane is another story, mine has

Code: Select all

       8P12_MPLN Board: barcode MFM465     part 030-1535-001 rev  C

Yours, and other o2k´s in the ´hinv´ section:

Code: Select all

       8P12_MPLN Board: barcode GCE760     part 030-0762-006 rev  K

I guess I´d have to swap out the midplane if I ever wanted to upgrade this to a "real" O2k. Ah, well. For now this will have to do :wink:
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To accentuate the special identity of the IRIS 4D/70, Silicon Graphics' designers selected a new color palette. The machine's coating blends dark grey, raspberry and beige colors into a pleasing harmony. (IRIS 4D/70 Superworkstation Technical Report)

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Unread postby foetz » Tue Dec 20, 2005 5:03 pm

joerg wrote:
foetz wrote:the main thing was that the 2100 was sold with these 350mhz boards limited to 8 cpus. it was the 'entry' deskside.


The SGI 2100 comes with r10k@250 OR r12k@350


yes but i only mentioned the major stuff.

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Unread postby artherd » Sun Dec 25, 2005 4:29 pm

covered, but the 350mhz boards in the O2100s won't work in a real system (over 8 CPUs) :(
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Unread postby foetz » Sun Dec 25, 2005 6:25 pm

artherd wrote:covered, but the 350mhz boards in the O2100s won't work in a real system (over 8 CPUs) :(


as i said "...limited to 8 cpus".
also they have 4mb cache.


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