Question about Compaq ( 277498-001) Motherboard

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Please tell me settings jumpers about this mb 227498-001-socket 478, sdram, cpu p4, thank you for help!

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The truth is that I cannot give, not even an idea of how to set the jumpers. The way that the manifacturer gives orders to his employees is a well kept secret. The way that the jumpers are set is to give a very precise voltage to the CPU chip. Tha danger that everybody is worried about is that a vey small rise in the voltage, for instance going from 1.8 to 1.9 volts, may cause that much of an increase in the current through the chip that the temperature may increaseenough to destroy the chip. The voltage for the CPU chip is adjusted for a pre-set frequency and at that frequency the heat generated in the CPU chip is calculated to be dissipated through the heat sink, which may even have a blower. Increasing the frequency of a CPU than what the manufacturer intended is called "overclocking" and up until now it has the hobby of some amateurs, who experimented and actually have had good results. But look at the sequence: the voltage on the CPU is raised slowly, watching the temperature of the chip, not to exceed the point of no return. Once the heat sink is unable to maintain the safe temp., the system is dismantled and a new heat sink perhaps with a more efficient blower, will place the chip within its thermal limits. If your CPU has not burned out already ask the manufacturer of the mother board for information and get figures that will help you to increase the frequency and still, up to a point, avoid the destruction of the chip. As a point of information Compaq never has manufactured any mother boards. They specify them to their favorite supplier and he delivers the quantity they need. The same holds true with the mother company HP. Tell me if you are out of business with your computer and I can do an inquiry and there is the chance that we get some onfirmation. One alternative, not very cheap, is to buy a MB that has a provision for gaming and has adjustments and control of the heat dissipated by the CPU chip. I desire to help all I can that we can have your computer running, under the limitations said above.
We tahnk you very much for considering our service...
My name is Constantin (arzconst)

Posted on Jun 03, 2009

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Hi! I just made a cpu swap on my asrock p4 combo from socket 478 - 775, the new cpu is the 570J 3.8 ghz 800 mhz fsp 1 mb chache ofcourse i looked at the manual and changed the jumper settings from...


According to the Asrock site, the CPU you chose should work in your board. You are going to have to check the jumper settings, (see the manual page 11) jumpers J1,J2,J3,J4,J5,J6,J8,J9,J10,J11,J12,J13,J18,J21 only. You indicated that you also changed J7,J14,J15,J16,J17,J19,and J20 since your statement was "i looked at the manual and changed the jumper settings from J1-J21"

Also make sure you do not have a jumper block on the CLR CMOS down near the battery. If you left a jumper on, it will not boot

Also, make sure you installed the CPU correctly and did not accidentally bend a pin on the underside. see 2.2 on page 12 Installing the 775.

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According to PCChips, the maximum CPU & memory supported for all three is the Intel P4 Northwood (HT) 3.06 GHz 512K,533FSB,Socket 478 and 2GB (2 x 1GB) DDR 266.

Be sure you have the latest BIOS version for your motherbaord.

M925ALU (V7.3) must have BIOS : 030703s
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1 Answer

Motherboard 277498-001 setting jumpers - help please


Visit http://www.compaq.com and select the product then download the user's manual. Such informations are usually given in the users mnual. Although Compaq is presently owned by HP, but user support is still there. (ehteshamhusain@gmail.com)

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1 Answer

SDRAM REPLACEMENT


No not compatible! Your system is obsolete, almost impossible to upgrade anything. Socket 478, P4 cpu stuff, is the oldest system with any chance of upgrading or maintenance.Get a 'barebones' new system for $250/300 from the Inet [ ebay or simillar ]/ You will then get some value from the cost of the windows Xp if it is the full version or alternatively you have both original OS disc and windows Xp ugrade disc. If what you buy has an IDE hard drive. you can also install your current hard drive too, keeping what you have on it, as a slave drive after you have put your OS on your new machine plus any cd or dvd on your old machine.All this is simple and within widows framework and tools, no tech skill needed, just a screwdriver and a manual with your new barebones motherboard. Plug the old ide drive into the right socket from the conncecting braid, set the jumpers as per hard drive diagram on the back plate on both drives. One master, one slave.Remember NOT to format your old drive/ LOL/

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Upgrade cpu


According to the product website your board supports all intel socket 478 cpu's. Maybe you bought a faulty cpu ?
M266A
  1. Socket 478 for Intel® P4 processor
  2. VIA® P4M266A chipset
  • FSB 533MHz
  • Supports Hyper-Threading Technology
  • Hybrid Booster - a safe overclocking feature
  • 2xDDR 266/200
  • Integrated ProSavage8 3D Graphic
Socket 478, Intel® Pentium 4 / Celeron
- FSB 533/400MHz

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What can I upgrade in a laptop? Below is a listing of common laptop upgrade questions and the answers to each of the questions regarding laptop and portable computer upgrades.


Laptop questions and answers CH000618, What can I upgrade in a laptop? CH000780, How do I clean my laptop? CH000917, My PC Card (PCMCIA) does not fit in my laptop.

Computer questions and answers listing 900 - 1000 CH000910, Determining what type of memory to use in a memory upgrade.

Save to file / partition information. In addition, if your laptop did not support PHDISK or HDPREP unless there is an available BIOS update you cannot upgrade to PHDISK or HDPREP.

Hope theses links can be helpful for ya, read and follow instructions.

Good Luck, Please dont for get to Vote/Thank you.Merry Christmas

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1 Answer

Cpu upgrade


To upgrade the cpu, you will still need to use the same type of cpu. A socket 478 motherboard will not work with a socket 775 processor. The pin configuration is different.

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1 Answer

P4 ugrade required


Sadly you wont find any 1066Mhz FSB processors for the Socket 478. The best you can find is the 3.4Ghz with 800Mhz FSB. It might be cheaper and also better value for you to get a Socket 775 based motherboard and Core2 Duo processor. The value range E2160/2180 processors or the E4300/4400 processors have been tested to be even faster than the Socket 775 Pentium Dual 3.4Ghz and they also use less power.

An article on socket 478 for you http://www.xbitlabs.com/news/cpu/display/20040123103754.html

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I see that you have already had this answered at Techspot.com They were right when they answered you, you need to check your MB manual to see if it is capable of upgrading to the CPU that you want to use, not all MB support all CPU's just because they both have 478 pins. I looked on the ASUS website and they don't even list your MB model on there.

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1 Answer

I have a Boot Problem with my INTEL P4 3.0Ghz. 800Mhz FSB,1M L2 Cache, Socket 478 CPU


I have experienced something similar with my new Core2Duo processor and a fairly new Socket 775 processor. Troubleshooting it led me to believe the CPU simply wasn't compatible with the motherboard. Although it's a shot in the dark, I suggest that you try out some of the following: - Did you try pulling out the graphics card to see if you got it to POST then? The graphics card or the monitor may need replacing. - Did you remove the RAM? - Are you sure all cables are attached properly? - Try to take out the CPU, talk to a friend with a socket 478 motherboard and replace his CPU with your CPU. Does it work now? If yes, motherboard needs to be replaced.

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