Question about PC Chips M825G Motherboard

1 Answer

Problems with m825g

I have an m825g v9.2c motherboard. there are no jumpers to change the bus frequency on my board. recently i have acquired an amd athlon 2000+ from a relative. i reset the bios and put the heatsink on it.(i originally had an amd duron overclocked to 1.37ghz from 1.2). when i plugged it in and tried to turn it on, the fans spun a bit, but that was it. the system did not power on. there are no manuals that i can find. all the manuals for the straight m825g v9.2a all have the jumpers on them. i cannot find this board on the pcchips website except for in the old news archives saying that it is a hardwired board(which it isn't) socket 462, 333mhz, ddr. has a 450watt ps. 768mb ram, 1x320gb, 1x30gb, 1x10gb hdds. lg supermultidrive. has a floppy drive. i have not tried to put the duron back in and reboot, flash the bios etc.

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  • crabbypup May 21, 2008

    i have not yet reinstalled the duron, but i am sure it will work fine. umm. i found the jumpers. they are hardwired and they controll the clk speed(what it said on board) it is set to 100mhz right now but also has options for 133 and 166mhz. i will have to unsolder and then resolder them to get the new jumper settings. the athlon uses a 133mhz speed(said so in the spec sheet) while the duron uses(duh) 100mhz.i can post pics if you would like.

  • crabbypup May 22, 2008

    i put the duron back in, and as expected, it worked fine. i will try to tackle the jumper issue on the weekend when i have more time. thaks for the advice, but you ar right, it was redundant. when i do it i will make sure i can adjust the jumpers without having to solder again. i'll just get jumpers off an old mb and put them in the place of the hardwired jumpers. let you know on sunday or saturday.

  • crabbypup Jun 09, 2008

    i haven't actually tried it yet, but since the processors don't work, i guess they aren't compatible(even though the site says that the one is for sure compatible)

  • crabbypup Jun 09, 2008

    i haven't tried it yet. but even though the site says that it can work, it doesn't! i don't know why, but it doesn't.

  • rick00001 Aug 09, 2008

    I have a p4 titan series motherboard supports intel pentium 4 processor

    Model name: GA-8SDX

    SIS 645 + 961 AGPSET

    Socket 478 CPU



    My problem is it gives the following error when I start it up and goes no further than the error,

    Award bios bootblock v1.0

    please insert system disk and press enter.



    My second problem is I want to flash my bios to see if that would help but my motherboard doesnt have any jumpers? what am i to do?

    I even took the battery out for 55 min but that didn't help either.



    I downloaded tons of system disks and non of them worked either.

    it just gives me invalid system disk, put in a system disk and press enter.



    Please help me because it would spare me thousands of bucks to replace

    my motherboard.



    Help urrrrrrrrrrrrrrrrrrrrrrrrrgen!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

  • Glenn Rogers
    Glenn Rogers May 11, 2010

    Hello,

    No need to post pics on your board. I understand exactly what you are facing.

    This is your board and if you want to hard solder the jumpers feel free to experiment. However, keep this in mind, there are times that the jumpers aren't available for some other reason such as the board failing QA under higher front side bus speeds. Still, don't let that stop you as there are more reasons to remove the jumpers that are intended to keep you from over clocking and your board dates back to the days when Athlon and Intel did NOT want end users to over clock.

    I DO want to know how you succeed at this as I am routing for you to succeed at this.

    If you haven't started yet, I would only underscore the obvious, so my apologies in advance, use a low wattage soldering iron and a vacuum solder extractor (cheap parts at any Radio Shack) and ground your motherboard with clips out to a known to be grounded power outlet. Keep yourself grounded and work on a piece of cardboard. As I said, don't be offended if this seems redundant to you, others may be reading this out of interest and these procedures may be old hat to you but new to others.

    The specs on the rest of your machine sound more than adequate to run not only a Socket A but drive a newer generation board as well, including PCIe vga cards as long as you have the supplemental power plug off your PS which I have no doubt you do.

    So, if you would, keep me posted with your progress as I'm routing for you.

    Regards,
    Worldvet


  • Glenn Rogers
    Glenn Rogers May 11, 2010

    Did I read your post wrong or have you reinstalled the Duron and booted up okay?
    Worldvet


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  • 68 Answers

STOP!! Don't do it!

The M825G uses the KM266 Pro and , if the BIOS is correct, auto detect the CPU and its speed. That BIOS has a built-in OC utility, and that is why the jumpers are disabled.

The odds are you have an incompatible core. Just because the CPU fits the socket, doesn't mean it can work with the MB/chipset.

Check this link for that MB just to make sure.

http://www.cpu-upgrade.com/mb-PC_CHIPS/M825G(v9.2a).html

Posted on Jun 09, 2008

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What is max new cpu speed to change for old cpu ? k7sv266ad


The KT266A is a VIA motherboard chipset,

http://en.wikipedia.org/wiki/List_of_VIA_chipsets#Slot_A_and_Socket_A

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

The Northbridge is a VIA 8366A
The Southbridge is a VIA VT8235

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

[Note*
CPU = Central Processing Unit. Another term used is Microprocessor, or Processor for short ]

The Northbridge chip handles the faster capabilities of a computer.
Handles the Processor, Ram Memory, and HIGH-speed graphics.

[A graphics card installed into a PCI expansion slot is Not high-speed graphics.
Integrated Graphics is Not high-speed graphics.

AGP and PCI Express are high-speed graphics.
If you have an AGP graphics expansion slot, it is handled by the Northbridge chip.
If you have a PCI Express expansion slot, it is handled by the Northbridge chip ]

The Southbridge chip handles the slower capabilities of a computer. This is shown in the diagram.

The VIA KT266A's Northbridge chip, (VT 8366A) supports AMD processors with UP TO a 266MHz Front Side Bus.
(266MHz FSB)

In the chart you see under the FSB heading -> 100 - 133MHz
100MHz to 133Mhz.

AMD processors are 'Double-Pumped'.
Therefore 133MHz becomes 266MHz.

233Mhz with the jumpers at their present positions?

Weird!

Looking at the motherboard, as it is mounted in the computer case; Processor to the Top, Ram Memory slots to the Right,
5 White PCI slots to the Bottom;

The J4 jumper is above the CMOS battery.
The CPU Frequency Select jumper.

(The J1 jumper is right next to the CMOS battery. To the left. That is the Clear CMOS jumper)

The jumper has 3 pins. Number 1 pin is on the LEFT.
From Left to Right; Pins 1, 2, and 3.

With a jumper block,

http://en.wikipedia.org/wiki/File:Jumperblock-shunts.jpg

,on Pins 1 and 2, you have a 100MHz FSB.

With a jumper block on Pins 2 and 3, you have a 133MHz Front Side Bus.

Processor you pick have a broken pin?

You can use AMD Athlon processors with up to a 133Mhz FSB, or AMD Duron processors with up to a 133MHz FSB.

[Actually 200MHz FSB, and 266MHz FSB. Remember what I stated about Double-Pumped ]

Example,

http://www.weirdstuff.com/cgi-bin/item/13160

Here is a link to a free User Manual, for the Syntax SV266A motherboard,

http://www.scribd.com/doc/41762039/Manual-Sv266a

(Just keep scrolling down)

For additional questions please post in a Comment.
Regards,
joecoolvette

Aug 24, 2010 | Syntax SV266A SKA KT266A Motherboard

1 Answer

Amd athlon tm 2400+ recognised as a athlon 1800+ why


Make sure your FSB(FrontSide Bus, aka 'CPU External clock is set to 166MHz both in BIOS and via jumper on your motherboard - refer to your manual for details.
i should be jumpered accordingly.

Jun 03, 2010 | EPoX EP-8KRA2+ Motherboard

1 Answer

Looking for jumper map settings for motherboard v70ma 98101-1 48 35802 011


here is the settings


http://www.uktsupport.co.uk/acer/mb/v70ma.htm


http://www.uktfs.co.uk/images/acer/v70ma.jpg

Switch / Jumper Setting Function
JP1 1-2*
2-3 VGA Interrupt Enabled
VGA Interrupt Disabled
JP2 1-2
2-3* Wake-on LAN Active low
Wake-on LAN Active high
JP4 1-2, 4-5
2-3, 5-6* Audio Line-in Source - AMC connector
Audio Line-in Source - Line-in connector
JPX1 1-2
2-3* CPU Type - AMD K6S-300
CPU Type - Other CPUs
SW3-B1 On*
OFF AMD K65-300 Voltage Select 3.45 V
AMD K65-300 Voltage Select - 3.60 V
SW3-B2 On
OFF* Check password
Bypass password
SW3-B3, SW3-B4 Off, Off
On, Off
On, Off
On*, On* M1542 Bus Frequency - 66
M1542 Bus Frequency - 75
M1542 Bus Frequency - 95
M1542 Bus Frequency - 100


SW2 Settings
CPU Core Clock Multiplier
B1 B2 B3 K6
Off Off Off 3.5
On Off On 4.0
Off* On* Off* 3.0*
On On Off 2.5
On On On 4.5
On Off Off 2.0
Off On On 5.0
Off Off On 5.5


SW2 Settings
CPU Core Voltage
B4 B5 B6 B7 B8 Voltage
Off On On Off On 3.3
Off On On Off Off 3.2
Off On Off Off On 2.9
Off On Off Off Off 2.8
Off Off Off On On 2.3
Off* Off* Off* On* Off* 2.2*

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1 Answer

2600+ with ASUS MB A7V266-E/AA


Here is the CPU Support list from Asus Support, for the Asus A7V266-E,
http://support.asus.com/cpusupport/cpusupport.aspx?SLanguage=en-us&model=A7V266-E/AA&product=1&os=17

Scroll down the list. 34th one down, that is listed.

1.Did you get the Athlon XP 2600+ that has a 266MegaHertz, (MHz), Front Side Bus? (FSB)
The AXDA2600DKV3C?

There is an Athlon XP 2600+ that has a 266MHz FSB, and one that has an FSB of 333MHz. <-This one Won't work.
Model number ->AXDA2600DKV3D will Not work.
Both are Thoroughbred A/B Core models.

The AXDA2600DKV3C has a 12.5x multiplier.
Your 1900+ has a 12x multiplier. (AXDA1900DUT3C) They both have an FSB of 133MHz. (Shown as 266MHz because AMD processors are 'Double-Pumped')

A.The AXDC2600DKV3C will not work. It has a 16x multiplier. (Thorton Core)
B.The AXDC2600DKV3D will not work. It has a 333MHz FSB. (Thorton Core)
C.The AXDA2600DKV4C will not work. It has a 15x mulitplier. (Barton Core)
D.The AXDA2600DKV4D will not work. It has a 333MHz FSB. (Barton Core)
E.The AXDA2600DKV4E will not work. It has a 400MHz FSB. (Barton Core)

2.Are the jumper blocks -> CPU RATIO, and SYSCLK, still set in the Jumper Free Mode?

By the factory default settings these jumper blocks, (DIP switches), should already be set to Jumper Free Mode.
The white DIP switches should be in the OFF position. (The white switches will be DOWN, towards the numbers on the jumper block CPU RATIO. They will be UP, away from the numbers, on the jumper block SYSCLK))

The CPU RATIO jumper block is right above the processor. It is a blue rectangular block.
The SYSCLK jumper block is down the motherboard, right below the AGP graphics card expansion slot. (And above the first PCI expansion slot)

If those two jumper blocks are not set to Jumper Free Mode, set the DIP switches in the jumper blocks to this setting.

Now go into BIOS Setup. In the main menu use the Right Side Arrow key on your keyboard, and highlight Advanced.
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1.CPU:System Frequency Multiple should be
12.5X
2.System/PCI Frequency (MHz) should be
133/33
3.System/DRAM Frequency Ratio should be
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5.CPU Level 1 cache, and Level 2 cache should be (Enabled)
6.CPU Level 2 cache ECC Check should be (Disabled)
7.BIOS Update should be (Enabled)
8.PS/2 Mouse Function Control (Auto)
9.USB Legacy Support (Auto)
10.OS/2 Onboard Memory >64M (Disabled)

Leave the rest alone.

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4e82fec.jpg

7e40332.jpg
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