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I have a M848A motherboard and would like to know the largest processor I can use

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My amd sempron 2800+ 2ghz working now on 1,20 ghz m848a v5.0

Your Sempron 2800+ is working at 1.20GHz?

Let me state this;
The MAXIMUM operating frequency rate ('Speed') is 2.0GHz
This is when the Processor is operating at a Maximum 'speed'.
If it isn't under a full load, it won't be operating at a maximum 'speed'.

Again, if there is no program/application running that demands the full capability of the Processor, the Processor will be idling along.

[A Processor operates at a Frequency Rate. For folks to understand it better it is stated as 'Speed'
GHz stands for GigaHertz.
Giga is approximately 1 Billion
Hertz stands for Cycles per Second.

The maximum frequency rate for the Sempron 2800+, is 2.0 Billion Cycles per Second ]

An AMD processor is 'Double-Pumped'. (In comparison an Intel processor is 'Quad-Pumped' )

The 333MHz FSB is actually 166Mhz that is 'double-pumped'

I don't know which Sempron 2800+ you have.
Thoroughbred- B Core, or Thorton Core.

{Thoroughbred-B Core model has SDA2800DUT3D part number on the top of the Processor's case.
Thorton Core model has SDC2800DUT3D part number on the top of the Processor's case}

Both models fit in a Socket 462 processor socket. (Socket A is also known as Socket 462)
Both models have a 333MegaHertz Front Side Bus. (333MHz FSB)

Both models have a Multiplier of 10 times.
(Under the heading - Mult 1, is10X )

Voltage is 1.60 volts.

PC Chips Support > M848A(V5.0) motherboard,

Under the Downloads heading to the right, left-click on the Manual tab.
Now click on the country nearest yours, ( Taiwan, USA, Europe, China )

This motherboard manual is a PDF file. At the top of the PDF file is the page number box. It is to the Right of the Down Arrow.
Use the Down Arrow, go to Page 39.

In BIOS Setup I want you to go to the sub-menu -
Advanced Chipset Setup.

[When you start your computer, and before Windows loads, there is a manufacturer logo screen.
Right after the logo screen, and at the bottom of the screen, is stated on how to Enter BIOS Setup.
It will state, Hit if you want to run SETUP.

At this time you are supposed to press the DELete key to enter the BIOS Setup Utility.
(Full name for BIOS Setup)

The window of opportunity is usually VERY small. If you do not press the Delete key in time, Windows will load.

I suggest, that AS SOON as you press the Power On button to start your computer, start tapping on the Delete key in 2 second intervals.
This way you won't go past the window of opportunity.

(If you hear a beep each time you tap the Delete key, don't sweat it. It is a Stuck Key Error beep)

Go to Page 35 in the motherboard manual. This shows you the Main Menu for the BIOS Setup Utility.
In the list is Advanced Chipset Setup.
You can no longer use your mouse. In the BIOS Setup Utility you have to use the Keyboard to navigate around.

Use the Down Arrow key to highlight Advanced Chipset Setup.
Press the Enter key ]

In Advanced Chipset Setup the top line is - Detect CPU Frequency
To the right should be - Auto

The second line down is CPU Frequency. (Processor frequency)
For your processor it should state 166MHz.

At the Right side is the Available Options, and at the bottom is the navigation key.
(Available options shows you what options are available for what you are looking at.
The Navigation Key tells you how to navigate around, and how to change settings)

[Using CPU-Z from This is good for looking around, but the BIOS Setup Utility can change parameters, unlike CPU-Z ]

1) Is the Detect CPU Frequency set to Auto?
2) Is the CPU Frequency set to 166MHz?

If so everything is working fine.

If not state so in a Comment, and I'll guide you in setting CPU parameters manually.

When you are looking around in BIOS Setup, it is - Just That.
You are looking around, and have made no changes.

IF you make a change, you have to Save Changes.
Otherwise it will be as if you have done NOTHING at all.

IF you make a mistake in making changes, the computer will not work.
People fear this.
ALL you have to do is go back to BIOS Setup, and set everything back to the way it was, then Save Changes.
The computer will be as it was originally, and will work again.

BEFORE you make changes, write down the original settings )

A Sempron processor is a Budget processor. Also known as a Starter processor.
It is the bottom of the line. (Just like an Intel Celeron)

A Sempron processor has half of the Cache that a comparable Athlon processor has.

The first memory area that the Processor accesses.
The Cache operates at the same frequency rate as the processor does.
It is a small memory area for the Processor.
The more cache you have, the faster the Processor will operate.

The Cache is the first memory area that the Processor accesses, then the Ram Memory, then the Harddrive.

{Ram Memory usually operates at HALF of the frequency rate that the Processor does.
A Harddrive is a mechanical device, and operates MUCH slower than Ram Memory.
Even the solid state Harddrive's}

CPU Support for the PC Chips M848A(v5.0) { M848A version 5},

To the top left of the page is a red rectangle with the heading CPU Support Search in white.

1) Left-click on the blue down arrow, on the right side of the box under - Product Category.
In the list click on - Motherboard

2) There is another box underneath. Left-click on the blue down arrow to the right of this box.
Click on - Socket 462 (AMD.....

3) Left-click on the blue down arrow for the box under - Model
Scroll the list down, click on M848A
{V5.0 will pop-up in the box under Version}

4) Left-click on Submit

You are now looking at the AMD processors, that the PC Chips M848A(V5.0) motherboard will support.

{Where it states Status on the right.
This tells you whether the Processor will work with the current BIOS program, and version, that is on the computer now.

Your BIOS program was made by AMI
American Megatrends Incorporated.
It was made in 2001.
The version is 1.54.B1E

Under the Status heading you will see YES listed for all processors that are listed.
If there were a NO to the right of a processor, it means the current BIOS program would not work with it.
You would then need to upgrade the BIOS program.

Just thought you may want to know }

Why do I bring up CPU Support?
Because I would fly that 'Sempy' processor out the door like a Frisbee at the neighborhood cat.
Just sayin'.

For additional questions please post in a Comment.


Sep 17, 2011 | PC Chips M848A V5.0 Socket A and FSB400...

1 Answer

What is the latest AMD processor that fits GA-75748 motherboard

Will you be using the same motherboard? If so you need to know the board manufacturer and model. Check the manufacturers website to find out the largest processor supported. You may have to update your Bios. Use caution and follow all instructions very carefully or you will end up with a boat anchor!

Jul 12, 2009 | Computers & Internet

1 Answer

Dell Optiplex GX400 w/ 6F067 main board. What is largest processor can this handle? Currently P-4 1.3Ghz.

According to the motherboard's specs for the Dell Optiplex GX400, it's chipset is Intel 850. This chipset will support 1.7 GHz processor. Not sure whether it could support higher speed processors or not.

Jul 07, 2009 | Dell (6F067) Motherboard

1 Answer

Need drivers for PC Chips MB M848A

The MB you mention does not support SATA it has noSATA connectors

Jun 30, 2009 | ASUS P5LD2-VM Motherboard

2 Answers

Hi i have a problem with panel1 on M848A v5.0 motherboard i cnt seem to work out how to connect the case properly it looks like this ()()()() ()()()()() i have the power switch, reset switch, hdd led and...

OK, this is for all the idiots who reply and offer NOTHING. You need more info, model and ver? HE ALREADY GAVE ALL THAT INFO.
Type "M848A v5" in google and you will see it is a PCChips mobo AND the manual is here:
BUT the manual DOES NOT HAVE THE PIN-OUT, so the manual is worthless...
Here is the pin-out:

...and thanks to guntotenmadm
Aug 28, 2009 - The pin layout on the MB are color coded. There is green, orange, pink, and blue. I'll start with the green pins 2 and 4 these are for the power led wires, bottom pin #2 is the + pin (your green wire). Pin #4 is - (your white wire). Now the orange pins, pins 1 and 3 these are for the HDD led. The bottom pin #1 is the HDD + pin (your red wire). Pin #3 is the HDD - (your white wire). Now the pink pins, 6 and 8 these are for the power switch. Pin #6 is the + pin (your orange wire). Pin #8 is the - pin (your white wire). Now the blue pins, 5 and 7 these are for the reset switch. Pin #5 is the - (your white wire). Pin #7 is the + (your blue wire)."""

May 18, 2009 | PC Chips MB PCCHIPS SiS746FX M848A V5.0...

2 Answers

What is the largest and fastest hard drive that will run on the Intel 845PE motherboard?

That motherboard is so old I couldn't find any information about it except that it uses a Pentium 4 processor and has an AGP 4x slot. The processor itself is an immediate bottleneck and since you have an AGP slot, you most definitely are using ATA and not SATA.

To make use of the, "largest" and, "fastest" hard-drive(s), you would have to buy yourself an X58 motherboard with an i7 processor. Which I doubt you want to dish out that sort of money.

So instead, this is perhaps the fastest and the largest hard-drive your computer will be able to make use of:

If you want to view all available hard-drives, visit this website. Afterward navigate to Computer Hardware>Hard Drives. Now on the left select, "Internal Hard Drives." Now on the left select, "IDE Ultra ATA100" located under, "Interface."

Those are the only hard drives your system can use, and out of those I already showed you the fastest one.

Let me know if I can help you further or if I can explain anything I mentioned above in more detail. I'm sorry you can't use the latest and greatest, however those are designed for the fastest systems on the market.

Mar 16, 2009 | Gigabyte 845pe (GA-8PE800PRO-R)...

1 Answer

Cpu clockspeed

1.1 upwards is the same as 1666. 1666 is more than 1.1 with no specific speed based on what you may have running in the background.

Go to this link and download & run the program. It will tell you everything you need to know about your computer. (And More)

Feb 02, 2009 | ECS 945P-A (V3.0) Motherboard

1 Answer

Just installed new CPU on M848A v2.1 and pc will not POST

becose the processor not support that.replace it by a suitable one.

Jan 16, 2009 | PC Chips M848ALU Motherboard

2 Answers

PCChips M848A Motherboard

Ok well the simplest answer is to get ahold of an old pci (not pcie) video card and plug her in. If this doesn't get you video I don't know what will. If you're not getting vid with the pcie slot it could be disabled (idiotic I know) in your bios.

Aug 29, 2008 | Soltek SL-PT880E-RL Motherboard

1 Answer

Jack call-outs and drivers

hope that fixes it for you :)

Jan 06, 2008 | PC Chips MB PCCHIPS SiS746FX M848A V5.0...

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