Question:
computer question?
misssassyaz
2007-04-28 13:58:57 UTC
I was given a computer and would like to find out more about it. I went into the bios and found this info.
Processor pentium 4 1.5 ghz.
ram 64mb
all i find for the motherboard is intel type d854wn.
I run dxdiag and it says pentium 3 and also 64mb ram.

It did not have a hard drive or memory in it.
Funny thing is, I put 1 stick of ram in and was sure it was 32mb and that is what is shown on the first screen when booting up.

What's the deal here? Does the motherboard have built in ram? And what is the real processor 3 or 4?
Five answers:
watson101303
2007-04-28 14:02:45 UTC
id say6 its would be pentium 3
bradster1200
2007-04-28 21:04:29 UTC
you real processor is the 4. you should add more RAM 64mb is not a lot.--- i have a good computer and i have 2gig ---. As for your motherboard, they do have built in RAM, usually it's only 32mb. that is all that is needed to run. but you cant do much else with 32mb.
Ron Y
2007-04-28 21:37:05 UTC
Another free program is EVEREST Home Edition by Lavalyst. It will show some things that BELARC can't.
2007-04-28 22:06:43 UTC
64 mb of ram thats not much but for free I guess its ok











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Intel Pentium 4 1.5 GHz (m478) Review



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Abstract: With a street price of $240 CDN currently, the P4 1.5GHz is hardly cheap, but it is quite inexpensive compared to the top of the line Pentium4 models.



mfg'r link category date published author

Intel CPU / Processors Feb.07.02 C. Sun









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Intel Pentium 4 1.5 GHz (m478) Review

--------------------------------------------------------------------------------



When Intel released their Pentium 4 processor about 1-1/2 years ago, it was met with mixed emotions. While boasting an incredible clock speed of 1.5 GHz (which was a lot back then) it's performance was close to that of their Pentium 3 1.0 GHz CPU, even though it had a 500 MHz advantage! With a street price of $240 CDN currently, the P4 1.5GHz is hardly cheap, but it is quite inexpensive compared to the top of the line Pentium4 models.



Along side the introduction of the Pentium4, Intel stated the heart of the Pentium4 is powered by its NetBurst Micro architecture. What that incorporates is pictured below.











The 400 MHz system bus is really a quad pumped (QDR)100 MHz FSB. Meaning this, for every clock cycle it sends 4 pieces of data to the CPU delivering an incredible 3.2GB/s worth of bandwidth. That's about three times more bandwidth then what a Pentium 3 would get with a (1.06GB/s) 133 MHz FSB.



Hyper-pipelined technology: With better branch prediction / recovery for its 20 stage pipeline, over the Pentium 3's 10 stage pipeline, the Pentium4 significantly increases the frequency and scalability of the processor.



Rapid Execution engine: With two ALU's (arithmetic Logic Units) running at twice the processor speed, this allows the integer instructions such as Add, Subtract, Logical AND and Logical OR to run every 1/2 clock cycle speeding up everyday processes.



Advanced transfer cache: With extremely low latencies, the 8K data cache increases performance over it's predecessor because if its speed.



Advanced dynamic execution is a out-of-order speculative execution engine that reduces the number of branch mis-predictions by about 33% over the P6 generation.



With Enhanced Floating point/multimedia a second register has been added and the data pathway has been expanded to 128 bits.



Streaming SIMD (Single Instruction Multiple Data) Extensions2: With 144 new instructions, the 128 bit SIMD integer arithmetic and 128-bit SIMD double-precision floating-point operations will greatly enhance and accelerate video, audio, 3d rendering, etc.









Intel has always been a very innovative company, trying to introduce new things to the CPU sector. With it's longer pipeline, they hope Pentium4 architecture will drive their processors for the next few GHz.



The 400 MHz (100 MHz QDR) FSB alleviates the bus speed bottleneck the Pentium 3 had. Often, increasing the FSB to say 150 MHz would boost performance past CPU's that were two classes higher in terms of raw core MHz! Still, problems did arise with the 400 MHz FSB.



To be able to take advantage of the great amount of bandwidth, you would also need memory that could also deliver that same amount otherwise the processor would be starved of data. RDRAM was chosen to be standard issue with the P4's because of licensing agreements with Rambus Inc. Only dual channel RDRAM could deliver enough data to satisfy the Pentium4. Eventually Intel did release a chipset that did use SDRAM but the performance penalty for that was severe (about 30%!) and only now are DDR chipset starting to surface.



The Hyper-pipelined technology is the most controversial part of the P4. Since the pipeline in the P4 is 20 stages long over the P3's 10 stages, for a piece of data to be computed, it has a lot further to travel. What basically Intel's done is trade IPC (instructions Per Clock) for raw MHz.



Because of the performance penalty of longer pipelines, the Pentium4 uses branch prediction. What the processor does is see what software or operation will be needed next and load it into cache memory. With a 94% (what Intel claims) success rate, this helps hide the problem with longer pipelines most of the time, however when the processor predicts wrong, the whole cache must be flushed clean and refilled. The performance penalty for that is quite high relatively because of its deeper pipeline.



One of the biggest things that stick out when viewing the spec's of the Pentium4 is it's extremely small L1 cache. Because of it's small size 8KB, it has extremely low latency of 2 compared to a latency of 3 for the Athlon's 64KB L1 cache (50%). However as you'll see in the benchmarks, the small size despite it's lower latency doesn't help much.



SSE2 is very important to the Pentium4 and will go along way in determining how well the CPU does. SSE2 has 144 new instructions that take over for the FPU (Floating Point Unit), when developers use SSE2 (like its predecessor SSE) will allows for accelerated FPU operations. However the problem is, current applications have to be rewritten to take advantage of SSE2 otherwise they won't be benefit from it.



Intel doesn't really have to worry though, software developers were quick to adopt SSE and with their arch rival AMD seeing the value of SSE2, they've actually licensed that from Intel for their Hammer CPU's, SSE2 is here to stay.









On the right of each picture is a Socket 423 Processor and on the left of each picture is the Socket m478.



When the 42 million transistor P4 "Willamette" was originally released, it used a Socket 423 format, however everyone knew it would be short lived because it's replacement was already on the horizon, the Socket m478. The "Northwood" P4's built on .13 micron technology will only be produced on the Socket m478 packaging, so if one was buying a P4 system now, you'd be wisest going Socket m478, for upgradeability and peace of mind.



Still using OGA (Organic Grid Array) technology, one of the first things you'll notice is the rather large heat spreader on top of the CPU. Intel calls this FC-PGA2. Under the spreader is the flip chip core, but what the spreader does is protect the chip from damage. Intel really hasn't had the same problem as AMD and their weaker cores, my trusty P3 550E has a ton of cracks on it but still runs at 850 MHz like a charm! =)



On that note, were quite disappointed at the overclockability of our 1.5 GHz test sample, it would only reach 1.64 GHz in our test board the Shuttle AV45GTR, of course since the board didn't have CPU voltage controls, it made things a little more difficult.



© 2007 PCstats.com Next Page»



Page Index:



Page 1: — Intel Pentium 4 1.5 GHz (m478) Review

Page 2: Benchmarking the 1.5GHz Intel P4

Page 3: Gaming Benchmarks and Conclusion













28.04.07 | 6:05P



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searchin4sound
2007-04-28 21:03:15 UTC
This will give you a complete profile of your PC : http://www.belarc.com/free_download.html


This content was originally posted on Y! Answers, a Q&A website that shut down in 2021.
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