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Intel 478 related (newbie) question.

post #1 of 9
Thread Starter 
Hey everyone,

Ok, I am brand new to Overclocking, and I am trying to follow all the information in FAQs and Guides, but I am not finding what I am looking for, most likely because it is such a simple question no one felt the need to spell it out. I have been in and around computers for years, but never thought or going outside the manufactures specs up until now.

I am running two Dell Servers, the first a PowerEdge 600SC, the second a PowerEdge 400SC. Both have basically the same Intel 478 Celeron CPU, and they have been up and running for... well years without a hitch. But now I need to push them both for more then just basic file serving, I need the 400SC to actually be a workstation of sorts.

Given that, the Intel 2.0Ghz/128/400 Celeron is a tad bit underpowered. (ok a lot underpowered) The specs from Dell are a bit less then helpful. But if I am reading the specs right, I should be able to upgrade to a 2.8/512/400. What I don't know or understand is can I go to a 3.0/1M/800 ? I know I can't use a 533. The 400SC at least can take advantage of the HT, which would seriously help out with the jobs I need the system to do.

I did try googling this (possibly badly worded), and trying to find the info, so any info/help/suggestions would be great.

Thanks,
MrCoffee
post #2 of 9
for starters going from a Celeron to a Pentium 4 will be a big improvement. I'm looking up the specs for each computer's respective mobo to check compatibility but they should support a 3.0/1M/800 P4
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post #3 of 9
Check out ebay for Pentium 4 processors.

There is a good range over there.
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post #4 of 9
Thread Starter 
Quote:
Originally Posted by harishgayatri View Post
Check out ebay for Pentium 4 processors.

There is a good range over there.
Thank you both for responding

@Harishgavatri: Yup, I get them there and an outfit in CA called Starmicro, great pricing and they haven't steered me wrong yet. FleaBay can be iffy some times.

Quote:
Originally Posted by selectstriker2 View Post
for starters going from a Celeron to a Pentium 4 will be a big improvement. I'm looking up the specs for each computer's respective mobo to check compatibility but they should support a 3.0/1M/800 P4
@selectstriker2: Well I looked it up in the manual: For the 400SC it says:
Processor

Processor type
One Intel® Celeron® with a minimum clock speed of at least 2.0 GHz, or one Intel Pentium® 4 with a minimum clock speed of at least 2.2 GHz

Front-side bus speed
From 400 MHz, depending on processor

Secondary cache
From 128 KB of L2, depending on processor

(Strange since my first 400SC had a 1.8Ghz Celeron CPU).

The 600SC says:
Microprocessor type
Intel® Pentium® 4 microprocessor with a minimum internal operating frequency of at least 2 GHz
or
Intel Pentium 4 Celeron® microprocessor with a minimum internal operating frequency of at least 1.7 GHz

Front side bus speed
At least 400 MHz

Internal cache
512-KB (Pentium 4) or 128-KB (Celeron) Level 2 cache

So doubling the FSB speed isn't going to effect it? I know from chatting with Dell support that the these systems will not support a 533FSB, but whne I asked for the best CPU to upgrade to I got a "ummmm I donnaknow".

Thanks!
MrC
post #5 of 9
It should be fine
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post #6 of 9
post #7 of 9
Thread Starter 
Quote:
Originally Posted by AMOCO View Post
Thats the same as this:? http://www.starmicroinc.net/product/...ott-CPU-SL79L/
post #8 of 9
Quote:
Originally Posted by MrCoffee View Post
Yes it is.
post #9 of 9
Alright, this might not be much help, but I built a budget 478 comp not too long ago, and it was a major headache. Such as, some boards would only support cpu's of a certain voltage. ei., the older p4's used a significant amount more than than later 478 p4. The motherboard can only support HT if it is built for it. The board can only utilize an 800fsb chip if the board is specifically built for it. like I said it was really a headache and I wouldn't want to do it again. With that said, you can get really good 478 chips all over the place for less than $10 US. If your looking for a deal, I've used www.geeks.com with great success, them even willing to cross-ship a replacement to me with a 30 day grace period to ship the defective part back. Great service. And good luck!
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