Athlon XP 2600+ and ECS KT600-A?

  • Thread starter Wiley Q. Hacker
  • Start date
W

Wiley Q. Hacker

Need some help with this PC I am building. It has an Athlon XP 2600+ and
KT600-A. I am having trouble. When the machine boots up, the machine hangs
during the initial RAM check.

I have the CPU frequency jumper on the mobo was set to 200 MHz. The RAM is
PC3200 (800 MHz?).

Questions:
1. I heard Athlon XP 2600+ work with multiple FSB speeds (266 MHz or 333
MHz). What would it work with? How do I know which kind I have?
2. Am I getting RAM that is too fast? Will it adjust to the slower speed?

Please help.
 
F

Fitz

The Athlon 2600 was made in 266 and 333 FSB- not in 400, which yours is set
at. To determine which one you have, look at the OPN number on the back of
the processor. If the last letter is a "C", it has a FSB of 266 MHz, and a
"D" would be 333 MHz.

If yours is a "C", set the motherboard jumper to 133 MHz and if a "D", set
to 166 MHz

Here's a link on how to ID the processor:
http://www.amd.com/gb-uk/assets/content_type/DownloadableAssets/Processor_Recognition_Rev05_ENG.pdf

Your memory will work in the system- it's rated at 400 MHz, but will run at
the slower speeds.

Fitz
 
W

Wes Newell

Need some help with this PC I am building. It has an Athlon XP 2600+ and
KT600-A. I am having trouble. When the machine boots up, the machine hangs
during the initial RAM check.

I have the CPU frequency jumper on the mobo was set to 200 MHz. The RAM is
PC3200 (800 MHz?).

Questions:
1. I heard Athlon XP 2600+ work with multiple FSB speeds (266 MHz or 333
MHz). What would it work with? How do I know which kind I have?
2. Am I getting RAM that is too fast? Will it adjust to the slower speed?

Please help.

There's 2 models of the XP 2600+. Both are designed to run on a 166MHz
FSB. The Tbred multiplier is 12.5x166 and runs at 2083MHz at defualt with
a 256K L2 cache. The Barton multiplier is 1.5x166 and runs at 1916Mhz at
default with a 512K L2 cache. Setting the FSB to 200 with the Tbred model
would overclock the cpu to a point that it probably wouldn't even boot
(2500Mhz) without a lot of luck. Setting the Barton to 200 would be more
likely to boot at 2300MHz, but you may need more vcore to get it stable.

For the ram, PC3200 is rated for a 200MHz bus. That's the real clcok
speed, not some bogus data using MHz BS. While the ram you have should
work at 200Mhz, it may need more voltage also to be stable. It never hurts
to buy faster ram, as the rating is the max speed, not the only speed it
is rated to run at. Some PC3200 ram have trouble actually working at
200MHz so that may also be a problem.

To start, you should set the FSB to 166 and try agian running the cpu at
the stock value. Once you have it running at stock speeds, then experiment
if you want to overclock it.
 
F

Fitz

There were some 2600+ processors made that were designed to run at:
2600+ 2.13 Ghz 1.65V 16x 266 Mhz 84mm^2


Which is why I told him to check the OPN on the chip.

Fitz
 

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