Dual Xeon question

rich73 · 05-08-2008, 07:21 PM

I came across two Xeon workstations today. Both are dual-capable, but only have one processor each, 3.4ghz, 64-bit processors each. They are both the same speed, but different stepping. Does this matter, or can I put them both in one machine and use them for a dual Xeon fast machine? The board in it supports PCIe 16x, and DDR2-3200 ECC Registered memory (there was none in it).

**=DdogG=** · 05-09-2008, 09:27 AM

i think you can try to boot without damage.

unless they are differet fsb/multiplier, then no... you can't use them together.

rich73 · 05-09-2008, 11:32 PM

They're both 3.4ghz, 800mhz FSB processors, with the same multiplier. Apparently they're not from the same batch, and therefore have a different stepping (one is F4A and the other is F43, according to their respective bioses). They both boot in their respective motherboards with 2gb of Registered ECC in them.
I'll try booting it with both in one of them and let you know. Thanks for the help.

rich73 · 05-12-2008, 11:21 PM

Ok, so it required them to be in the machine in a certain order (apparently one is "lesser" than the other), and then it would boot, and then I installed XP......wow is it fast. Funny thing....shows up as 4 processors in task manager. Was running Spybot S&D while having several other things open.....had only 30% processor usage.

ScratchMonkey · 05-13-2008, 12:17 PM

Xeon is hyper-threading (HT) and hence shows up as a dual-core. (It's not quite a dual-core, but does use the SMP features of the OS.)

05-08-2008, 07:21 PM	#1 (permalink)
rich73 Join Date: Nov 2007 Posts: 142	Dual Xeon question I came across two Xeon workstations today. Both are dual-capable, but only have one processor each, 3.4ghz, 64-bit processors each. They are both the same speed, but different stepping. Does this matter, or can I put them both in one machine and use them for a dual Xeon fast machine? The board in it supports PCIe 16x, and DDR2-3200 ECC Registered memory (there was none in it).

05-09-2008, 09:27 AM	#2 (permalink)
=DdogG= Join Date: Nov 2003 Location: Ennis, TX Age: 31 Posts: 1,693	Re: Dual Xeon question i think you can try to boot without damage. unless they are differet fsb/multiplier, then no... you can't use them together. __________________ Only two things are infinite, the universe and human stupidity, and I'm not sure about the former. -Albert Einstein The two most common elements in the universe are Hydrogen and stupidity. -Harlan Ellison If all else fails: "rm -rf /"

05-09-2008, 11:32 PM	#3 (permalink)
rich73 Join Date: Nov 2007 Posts: 142	Re: Dual Xeon question They're both 3.4ghz, 800mhz FSB processors, with the same multiplier. Apparently they're not from the same batch, and therefore have a different stepping (one is F4A and the other is F43, according to their respective bioses). They both boot in their respective motherboards with 2gb of Registered ECC in them. I'll try booting it with both in one of them and let you know. Thanks for the help.

05-12-2008, 11:21 PM	#4 (permalink)
rich73 Join Date: Nov 2007 Posts: 142	Re: Dual Xeon question Ok, so it required them to be in the machine in a certain order (apparently one is "lesser" than the other), and then it would boot, and then I installed XP......wow is it fast. Funny thing....shows up as 4 processors in task manager. Was running Spybot S&D while having several other things open.....had only 30% processor usage.

05-13-2008, 12:17 PM	#5 (permalink)
ScratchMonkey Join Date: Aug 2005 Location: San Pablo, California Posts: 4,276	Re: Dual Xeon question Xeon is hyper-threading (HT) and hence shows up as a dual-core. (It's not quite a dual-core, but does use the SMP features of the OS.) __________________

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