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Unread postPosted: Tue Mar 08, 2011 9:08 pm 
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Any of u guys ever use the Ultra 25?

Any good/bad points? there's quite a few of em on ebay.

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Unread postPosted: Tue Mar 08, 2011 11:35 pm 
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The 45 seems to be well thought of, and I think there are fewer differences between the 25 and 45 then there are between the B1000 and B100.

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Unread postPosted: Wed Mar 09, 2011 6:43 am 
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A silver blade 2500 can be had for much less then a u25 / u45 and will get you the same cpu performance. I don't recommend the 1500s because of their crappy IDE disks though.

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Unread postPosted: Wed Mar 09, 2011 11:22 am 
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Thank you guys for the info.

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Unread postPosted: Wed Mar 09, 2011 2:59 pm 
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zmttoxics wrote:
I don't recommend the 1500s because of their crappy IDE disks though.


I don't recommend the 1500s due to flakey power supplies.

R.

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Unread postPosted: Fri Mar 11, 2011 7:54 am 
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Good point is that it's a LOT faster than my Ultra 5. If someone were to give me one, I sure wouldn't turn it away. :D

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Unread postPosted: Fri Mar 11, 2011 10:00 am 
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PymbleSoftware wrote:
I don't recommend the 1500s due to flakey power supplies.

I've had more trouble with my 2500's PSU than either of my 1500s, but I guess that could be luck. The good part is that the 1500 and 2500 use standard ATX boards, so I assume the PSUs are also just standard ATX.

ChristTrekker wrote:
Good point is that it's a LOT faster than my Ultra 5. If someone were to give me one, I sure wouldn't turn it away. :D

Those ATA disks in the Ultra5/10 are painfully, painfully slow. If you're close to NJ, I have a Blade 1500 red you can have, as they seem to have no resale value. When compared to the selling prices of those Ultra 25s that were on eBay (all three sold for over $1000 despite being the absolute lowest spec possible--single proc, minimum RAM, lowest-end framebuffer, single disk), I'd still sooner get behind a Blade 1500.

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Unread postPosted: Thu Mar 17, 2011 2:15 pm 
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I hear a lot of neg about the Blade 1500, however I have found mine a pretty good Single CPU UltraSPARC system.

Very quiet (remember to tune the power management config file!), as fast in practical terms as my V210 (2x1.34GHZ), dual drive, (80+120 in mine and the upper IDE limit is not really an issue for me on this system), and looks neat even today (the cool factor).

Have not had any reliability issues, and this is an 2004 production machine, so going strong for 7 years (5 of them in Glasgow University VLSI lab where it must have been plenty used).

If you really want a quiet, low power at <300W (MUCH lower than a 1000/2000 - which apparently run at 650W!) machine its not a bad choice.

I run headless so I can't comment on the XVR video cards though (mine has an XVR 100).

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Unread postPosted: Tue May 24, 2011 9:30 pm 
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The Ultra 25 is a great SPARC workstation overall. It's quieter than the Blade 1500 / 2500 series and has updated I/O. It can use standard SATA or SAS disks (in a SPUD bracket) as well as PCIe and PCI-X Cards. Video cards supported in it that work with Solaris 11 Express are the XVR-100, XVR-300, and XVR-2500. I have tested the XVR-100 and XVR-300 with Solaris 11 Express. The XVR-300 gives much better 2D performance.

The Ultra 25 and 45 are essentially the same machine. The Ultra 25 has one of the CPU sockets and its corresponding DIMM sockets and power components depopulated from the motherboard. Otherwise, it's exactly the same HW except it only came with a single 1.34 GHz US IIIi processor vs the single or dual 1.6 GHz US IIIi processors in the Ultra 45.

A single processor Ultra 45 can be upgraded to a 2nd processor by simply adding the processor and corresponding heatsink / fan combination. All of the Ultra 25's I've seen cannot be upgraded to a dual processor as the components for adding a 2nd processor are removed from the motherboard.


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