Question about HP Compaq dc5100 PC Desktop

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Dc5100 processor upgrade

Curious whether the DC5100MT will support anything better than the Pentium 4 that is currently in it. Currently it has the Pentium 4 HT 650 @ 3.4Ghz, 2MB L2 Cache, 800Mhz FSB speed. I'd like to know if anyone knows if it will take a Pentium D (basically 2 P4's on the same die).

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  • HP Master
  • 5,660 Answers

NO!

Two Netburst based Processor cores on the SAME chipset?

Get outta' here!

When did they come up with that?





OH, I'M JUS KIDDIN'!

http://h18000.www1.hp.com/products/quickspecs/12145_na/12145_na.HTML

The HP Compaq dc5100 Desktop PC uses an Intel 915GV motherboard chipset.

Since we know that the Northbridge chip, of the motherboard chipset; handles the Faster capabilities of a computer;
i.e., Processor, Ram Memory, and HIGH-speed graphics; let's look at the Intel 915GV chipset,

http://en.wikipedia.org/wiki/List_of_intel_chipsets#Pentium_4.2FPentium_D.2FPentium_EE_chipsets

No sir/ma'am.
The Intel 915GV motherboard chipset only handles Single Core processors;
Intel Pentium 4,
and,
Intel Celeron,
and,
Intel Celeron D.
(With a 533MegaHertz Front Side Bus, or an 800MHz FSB)

The Celeron D is NOT a dual core processor,

http://en.wikipedia.org/wiki/Celeron#Prescott-256

"The D suffix actually has no official designation, and does not indicate that these models are dual-core. It is used simply to distinguish this line of Celeron from the previous, lower performing Northwood and Willamette series, and also from the mobile series, the Celeron M (which also uses 3xx model numbers) Unlike the Pentium D, the Celeron D is Not a dual core processor."

Yeah, I know. I'm just a 'Ray of Sunshine'.

You know you can pick up a motherboard pretty cheap nowadays, that WILL support the lowly Pentium D, for not much money.

Problem is you will need to replace Ram Memory also.

By the time you get a motherboard chipset that supports dual core Processors (CPU), you are going to be using DDR2 Sdram ram memory, instead of the DDR Sdram ram memory you are using now.

OK, Motherboard, CPU, and Ram Memory.

Oh, the Power Supply. Won't do either.
240 Watt unit, or 300 Watt unit?

Sure.............OK.

Back in the day those Power Supply's were made, Power Supply manufacturer's were 'fudging' the actual maximum rated Wattage.

True Wattage was more like 60 to 70 percent of what was stated.
Why?
SOLD more Power Supply's.

240 Watts?
Simply divide by 10. = 24.
For 60 percent, take 60 times 24. = 144 Watts
70 percent? 168 Watts.

300 Watts?
60 percent is 180 Watts.
70 percent is 210 Watts.

I wouldn't try to run a Barbie doll with that low a Wattage, of Power Supply. (Barbie doll? What?)

Need at least a decent 350 Watt power supply, from today's manufacturers.
80 percent constant duty cycle, for most good units; or higher.

So...............
Max out the Intel Pentium 4 CPU.

4GB's of 533MHz DDR Sdram ram memory.
(PC4200, or PC4300. Depends on the manufacturer as to how they name it)

By the time you spend that much money, you may as well buy another Motherboard, Processor, Ram Memory, and Power Supply.

Yes, may as well buy a better computer.

I know. Quit trying to cheer you up.

Around here we have Craigslist, and Ebay, for two places.
Could pick up a better computer, for around the same money, as you would pay for all the upgrade parts above.

Which is better? Upgrade the Processor, or upgrade the Ram Memory/
For the better 'Bang for the Buck', upgrade the Ram Memory.

The CPU (Processor) has a built-in cache.
L1 cache, and L2 cache. (Newer CPU's have an L3 cache)

The Cache is a small memory area for the CPU.
It is the FIRST memory area the Processor (CPU) reads.
This is because it operates at the same frequency rate, as the CPU does.
(Frequency rate = 'Speed'. Operates at the same 'Speed')

Next inline is the Ram Memory.
Ram Memory -> typically, operates at half of the Processor's Front Side Bus. (FSB)

This is why upgrading Ram Memory is a good idea.

It isn't so much of getting Ram Memory, that operates at a higher frequency rate ('Speed'), as it is to have MORE ram memory.

Example;
PC3200 compared to PC4200.
4GB's of PC3200 is better than 2GB's of PC4200.

(DDR Sdram at 400MHz = PC3200)

Moving on............

Motherboard chipset:

Chip and Chipset are slang terms for I.C.
Integrated Circuit,

http://en.wikipedia.org/wiki/Integrated_circuit

The motherboard chipset for your computer, consists of a Northbridge chip, and a Southbridge chip.

{Motherboards that support the Intel Core i technology, (Core i3, Core i5, Core i7, etc), do NOT use this motherboard chipset technology. Neither do some of the AMD CPU's }

http://en.wikipedia.org/wiki/File:Motherboard_diagram.svg

As stated previously, the Northbridge chip handles the Faster capabilities of a computer;
Processor (CPU), Ram Memory, and HIGH-speed graphics.

The AGP technology, and the PCI Express technology; ARE high-speed graphics.

Using a graphics card in a PCI slot, or using Integrated Graphics; is NOT high-speed graphics.

The slower capabilities of a computer are handled by the Southbridge chip.
1) PCI Bus / Integrated Graphics.

(Another term for Integrated Graphics, is OnBoard Graphics. A term that seems to have gotten lost.
It explains better; ON the motherBOARD )

2) IDE Bus
3) SATA Bus
4) USB Bus
5) Ethernet
6) Audio (Sound)

Point?
Look to see what the Northbridge chip is, as I have shown you; and you'll get a good idea of what Processor (CPU) support is.

For additional questions please post in a Comment.

Regards,
joecoolvette

(I get tired of looking on websites, that just say NO, and do not explain why )

Posted on Mar 08, 2013

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  • HP Master
  • 3,649 Answers

Endless long and crazy posts on such a simple question
and HYJACKED too boot.
first off the PC was not designed by Intel
2nd, only HP has qualified, CPU list, nobody else on earth has that but them, hint" There Design" nobody else.
1: that the BIOS will allow. (upgrade bios?)
2: that the chipset allows, (north and south bridges)
3: and more, (it is a comlex computer, not a toaster)
4: worse, the wasted time and $$$ doing this for no real performance gain. zero. (or so low you'd never see it)

others searching this see the reasons NOT to do this.
how ever if you found a ***** mobo in garage sale and not bios PW locked, the see the qualified CPU list at HP, for YOUR BOARD.

the word COMPAQ alone is 6 years old, just the name
the PC HP Compaq dc5100 is, 14 years old today
why mess with PCs this old? its junk zero value on the street
but full 64bit certified, PC, used, if money is tight?
one that has CORE processor, gen 6 or newer.
eg: intel CORE i5-6xxx (6 or higher ) for w10 full support and a FUTURE !!!

Posted on Feb 03, 2019

  • Larry Ng
    Larry Ng Feb 03, 2019

    Get at the least the DELL 990
    a win for good, and 100% real support at dell.
    dell has the best support of any PC maker on earth. a fact. (HP 2nd)
    see the deals here. (no sales/spam just words)
    http://www.pcdied.com/cheaper.html

    spec, read it
    https://i.dell.com/sites/doccontent/shar...

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SOURCE: pentium 4 upgrade

Hello,

The Compaq Presario SR2011WM supports following processors:

CPU/Processor

  • Socket: 775
  • Supports the following processors:
    • Pentium D 900 series Dual Core (Pressler, 65nm)
    • Pentium D 800 series Dual Core (Smithfield, 90nm)
    • Pentium 4 601 series (Cedar Mill, 65nm)
    • Pentium 4 600 series (Prescott, 90nm)
    • Pentium 4 500 and 501 series (Prescott, 90nm)
    • Celeron D series (Prescott, 90nm)
Hope it helped.

Posted on Nov 19, 2009

joecoolvette
  • 5660 Answers

SOURCE: What processor can use to upgrade my Pentium 4

HP Media Center M1270n desktop PC?

Here are the Product Specifications,

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00280666&tmp_task=prodinfoCategory&lc=en&dlc=en&cc=us&lang=en&product=443756

Here is the Motherboard Specifications,

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00297771&tmp_task=prodinfoCategory&lc=en&dlc=en&cc=us&lang=en&product=443756

The Asus PTGD1-LA motherboard, is a Proprietary motherboard, made Especially for HP.
HP's name is PufferM-UL8E

You won't find it on the Asus Support website.

Fortunately, HP listed basic information for CPU (Processor) Support.

When you look to the right of the CPU/Processor heading, you can see it states -
A) Socket LGA 775 (Processor socket)

Looks like this,

http://en.wikipedia.org/wiki/LGA_775

Processors that fit this processor socket, have the socket holes.
775 of them.
The LGA 775 processor socket, has the pins that go up into the socket holes of the Processor.
775 of them.

[The Socket 478 processor socket, that was before the Land Grid Array 775 processor socket, has the socket holes (478), and the processors that fit this processor socket, has the pins. {478 of them]

B) Supports processors with up to a 3.8GigaHertz frequency rate.
3.8GHz.

['Speed' is a slang term for Frequency Rate.
Giga = Approximately 1 Billion
Hertz stands for Cycles per Second.

3.8 Billion Cycles per Second.
Can also be stated as 3800 MegaHertz.
Mega = approximately 1 Million ]

C) Can support Intel Pentium 4 processors with HT.
Hyperthreading Technology.

D) Looking to the right of the Front-side bus (FSB) heading, you will see it states -
800MHz.

This means the Asus PTGD1-LA motherboard will support Pentium 4 processors with,
1) HT
2) UP TO a 3.8GHz frequency rate
3) Up to a FSB frequency rate of 800Megahertz.
4) Use an LGA 775 processor socket.

Now let's look at one example, of a chart of Pentium 4's with HT, that fits these specifications,

http://en.wikipedia.org/wiki/List_of_Intel_Pentium_4_microprocessors#Prescott_.2890.C2.A0nm.29_2


See the heading - Prescott (90nm)?
This means the processors in this chart, are based on the Prescott Core, and the 90nm architecture.

(nm stands for NanoMeter. Approximately 1 Billionth of a meter)

Looking at the headings in the chart, you will see Model Number, sSpec Number, Frequency, L2-cache, Front-Side Bus, Multiplier, Voltage, TDP, Socket, Release Date, Part Number/s, and Release Price.

At this point I would only concern myself with the,
Model Number, (If applicable),
sSpec Number,
Frequency,
FSB, (Front Side Bus),
Voltage,
Socket,
and Part Number(s)


1) Model Number:
The older Intel Pentium 4 HT processors did not have a Model Number.
Intel didn't start using a Model Number until later.
Model Number examples start with 517, 520, 520J, and so on.

Look for the sSpec Number, and the Part Number, for the older Pentium 4 HT's. They're printed on the top of the processor's case, and should be listed by the seller.

2) sSpec Number:
Intel brought this out.
Their way of marking a processor.
Another identifier for you to use.

3) Frequency:
The Maximum frequency rate, ('Speed'), that the Processor is supposed to be able to operate at.

4) L2-cache:
The small memory area for the Processor. The Processor accesses this small memory area first, because it operates at the same frequency rate as the Processor.

You can't change it, and 2MB of L2-cache, is the largest size for an Intel Pentium 4 with HT.
Just thought I would include this information.

(Ram Memory is next. Typically, Ram Memory operates at half of the FSB frequency rate. The Harddrive is next)

5) Front-Side Bus (FSB):
The frequency rate that the Processor transfers data (Information) to the Northbridge chip, and back from the Northbridge chip.
More on the Northbridge chip in a moment.

6) Voltage:
Pretty self-explanatory. The Voltage range the Processor will use.
You need the Voltage range of 1.25/1.4 Volts.
(1.25 Volts to 1.4 Volts)

Any Processor (That is Intel Pentium 4 HT, Socket LGA 775), that uses Voltage in this range will work.

7) Socket:
The type of processor socket that the Processor will fit in.
Has to be LGA 775.

8) Part Number(s)
Self-explanatory again.
The Part Number, that is stamped on top of the Processor's top case.

Part Number(s) is listed, because there may be more than one Processor in the Model Series, that fits the same specifications.

If there is no Model Number, refer to the sSpec Number, or Part Number.

The largest frequency rate (Speed) of Processor you can use, is a Pentium 4 HT that operates at 3.8GHz. (And fits in an LGA 775 processor socket)

Barring that a Pentium 4 at 3.8GHz cannot be found, you will know what Processors you Can use.

Scroll across the headings with your eyes, and start under the Frequency heading.

Find the frequency rate ('Speed') you wish to try.

Go across to the Front Side Bus heading. You should look for a processor listed that has an 800MHz listing.

Look at the Voltage.
All of the Intel Pentium 4 HT processors that fit in an LGA socket, use an 800MHz FSB, and are in THIS particular chart, fall within the same Voltage range.

Keep the Voltage range in your mind, as you look at the other charts below this one.

Socket.
You know you need a processor that fits in an LGA 775 socket.

Look at the chart below this Prescott Core (90nm) example.
Prescott 2M Core (90nm)

Use the above criteria above in this chart.

I wouldn't recommend any Pentium 4 HT's, in the Cedar Mill (65nm) chart.
It isn't that the architecture is smaller (65nm), but that the BIOS program,and version on your motherboard, may not be able to handle these processors listed.

I also do not see a BIOS update for one, and for two, if you make a mistake when performing a BIOS update, your motherboard becomes an expensive Frisbee, or doorstop.

You also do not want any of the processors listed under the Pentium 4 Extreme Edition heading.
$$$$$$$$$$$$$$$

(Mobile Processors are for laptops Laptops are M-O-B-I-L-E)


Northbridge chip.

1) The Northbridge chip, and the Southbridge chip make up the motherboard chipset.

(Does not apply to the new motherboards that support the Intel i3, i5, and i7 Core processors)

2) Chip and Chipset are slang terms for I.C.
Integrated Circuit.

http://en.wikipedia.org/wiki/Integrated_circuit

The Northbridge chip handles the faster processes of the computer.
Processor, Ram Memory, and High speed graphics.

(AGP or PCI Express. Not a graphics card in a PCI slot, nor Integrated Graphics on the motherboard. These are slower processes of the computer)

http://en.wikipedia.org/wiki/File:Motherboard_diagram.svg

(CPU = Processor
Memory Slots = Ram Memory slots)

Looking at the diagram, you can see the slower processes handled by the Southbridge chip.

Looking back at the Motherboard Specifications, look across from the Chipset heading.

Northbridge: i915P graphics and memory controller hub
(MCH)
Southbridge: ICH6 Intel I/O Controller Hub 6

Uses an Intel 915P Northbridge chip, and an Intel ICH6 Southbridge chip.


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