Solve : 3 beeps?

1.	Solve : 3 beeps?
Answer» I built a system from scratch. This is what I have: Intel D915PGN motherboard Intel 3.0 P4 Processor WD SATA 80gb HDD 512mb x2 DDR nVIDIA GeForce 6600 256mb vid card 420w PS My problem When I cut the power on, all the fans turn but I hear 3 long beeps right after each other and no video is displayed. What I have done to try and fix it I disconnected everything I didnt need (floppy and cd), same problem. I TESTED each memory stick indvidually in all four DIMM slots, same problem. I have uninstalled and reinstalled my vid card numerous times, same problem. Could it be? I bought the memory from a trustworthy friend. It came from a Hewlett Packard. I've heard someone say that some memory has to be unbuffered and reg with the new mobo? What does this mean, and how do i do it. My motherboard takes DDR 400mHz and DDR 333mHz. I don't know how MANY mHz are on the sticks I have. This is what the sticker SAYS. In this exact order: 512MB, DDR, 266, CL2.5, ECC, REG Is this compatible or do I need to get my money back? I have 4 SATA headers on my mobo. I have been plugging the HD into number 1. Could this be a problem? I know my video card is seated correctly because i have taken it out and put it back in almost 20 times now. Could my video card be bad? I just bought it 3 days ago. Ok, I'm done. Any help would be greatly appreciated. Thanks. EDIT: Through further research into the memory that is compatible with my mobo, I dont think the memory he sold me will work. All over the web it says my mobo will only accept 333mHz and 400mHz. I don't know exactly what the rating of the ones he sold me are but I think it is 266 mHz. Also, all of the compatible memory sticks on the web say Non-ECC. The ones he sold me says ECC. Is ECC Error Checking? The memory he sold me says PC 2100. I think I need something like PC 2700 (i have no idea what that means.) Does it sound like I have a memory problem?The memory you have used is 266mhz (PC2100). PC2700 is you 333mhz and PC3300 is the 400mhz Quote The memory you have used is 266mhz (PC2100). PC2700 is you 333mhz and PC3300 is the 400mhz Ah, ok. So this memory will not work.What operating system are you trying to load on it..... Have these parts come from another pc.......? I was planning on loading XP on it . No, I bought all the parts brand new except the CD and Floppy drives. The memory he GAVE me came from a Hewlett Packard.That Intel motherboard does not take ECC memory. That is an important factor as well as speed, CAS, etc. Any old memory doesn't work in any old board (anymore). Here is what you need: http://www.crucial.com/store/listparts.asp?Mfr%2BProductline=Intel%2B+Motherboards&mfr=Intel&tabid=AM&model=D915PGN&submit=GoI thank you guys very much. I have ordered a gig from Tigerdirect.com and meeting the guy tomorrow to get my money back for the memory.Good for you. You had a learning experience and it cost you any money. Always a good combo.

Answer»

I built a system from scratch. This is what I have:

Intel D915PGN motherboard
Intel 3.0 P4 Processor
WD SATA 80gb HDD
512mb x2 DDR
nVIDIA GeForce 6600 256mb vid card
420w PS

My problem
When I cut the power on, all the fans turn but I hear 3 long beeps right after each other and no video is displayed.

What I have done to try and fix it
I disconnected everything I didnt need (floppy and cd), same problem.
I TESTED each memory stick indvidually in all four DIMM slots, same problem.
I have uninstalled and reinstalled my vid card numerous times, same problem.

Could it be?
I bought the memory from a trustworthy friend. It came from a Hewlett Packard. I've heard someone say that some memory has to be unbuffered and reg with the new mobo? What does this mean, and how do i do it.

My motherboard takes DDR 400mHz and DDR 333mHz. I don't know how MANY mHz are on the sticks I have. This is what the sticker SAYS. In this exact order:
512MB, DDR, 266, CL2.5, ECC, REG

Is this compatible or do I need to get my money back?

I have 4 SATA headers on my mobo. I have been plugging the HD into number 1. Could this be a problem?

I know my video card is seated correctly because i have taken it out and put it back in almost 20 times now. Could my video card be bad? I just bought it 3 days ago.

Ok, I'm done. Any help would be greatly appreciated. Thanks.

EDIT: Through further research into the memory that is compatible with my mobo, I dont think the memory he sold me will work. All over the web it says my mobo will only accept 333mHz and 400mHz. I don't know exactly what the rating of the ones he sold me are but I think it is 266 mHz.

Also, all of the compatible memory sticks on the web say Non-ECC. The ones he sold me says ECC. Is ECC Error Checking? The memory he sold me says PC 2100. I think I need something like PC 2700 (i have no idea what that means.) Does it sound like I have a memory problem?The memory you have used is 266mhz (PC2100). PC2700 is you 333mhz and PC3300 is the 400mhz Quote

The memory you have used is 266mhz (PC2100). PC2700 is you 333mhz and PC3300 is the 400mhz

Ah, ok. So this memory will not work.What operating system are you trying to load on it.....

Have these parts come from another pc.......?

I was planning on loading XP on it .

No, I bought all the parts brand new except the CD and Floppy drives. The memory he GAVE me came from a Hewlett Packard.That Intel motherboard does not take ECC memory. That is an important factor as well as speed, CAS, etc. Any old memory doesn't work in any old board (anymore). Here is what you need:

http://www.crucial.com/store/listparts.asp?Mfr%2BProductline=Intel%2B+Motherboards&mfr=Intel&tabid=AM&model=D915PGN&submit=GoI thank you guys very much. I have ordered a gig from Tigerdirect.com and meeting the guy tomorrow to get my money back for the memory.Good for you. You had a learning experience and it cost you any money. Always a good combo.

Solve : 3 beeps?

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