ibm aptiva m40 2168 CPU jumper settings

June 29, 2011 at 05:00:46
Specs: Windows XP
I am Upgrading My IBM Aptiva M40 2168 75Mhz CPU to a Cyrix MII or MIII 200/233Mhz CPU.
Or an AMD 6-2 380Mhz or 1.4Ghz With Super Socket 7 CPU Adapter.

I also Have Intell Pentium 233Mhz, or Pentium III 667/866Mhz CPU's!

The Problem is the Volltage Jumpers are both Marked with the letter "D", and One has a Circle Around it, so what is the Voltages? And Does the VRM Connector Need to be Changed?

The CPU Buss Speed Jumpers for 50/60/66Mhz has a Reserved Jumper Position, could this be used for 80-95Mhz Buss Speed?

Also, What is the L2 256/512Kb Cache Memory Chips, and How Do I find Them?

See More: ibm aptiva m40 2168 CPU jumper settings

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June 29, 2011 at 05:12:58
How much are u going to spend?

We can not fight new wars with old weapons, let he who desires peace prepare for war - PROPHET.

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June 29, 2011 at 05:15:57

I believe that you are missing the 3 digit designation:

IBM Aptiva M40 2168-???

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June 29, 2011 at 06:31:17
If you have a socket 5 board I believe the max jumper setting was 3. 1.4 Ghz amd was not socket 7 and the pentium 3 is socket 370 so those are out. If your computer came standard with a 75 Mhz cpu I am quite sure you are using a socket 5 board. Dont bother wasting your time or money

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June 29, 2011 at 07:53:12
It's been a while since I tinkered with a system that old. I'm curious what your plans are for it?

It appears the max RAM supported is only 128MB & being that the board uses 72-pin SIMMs which must be installed in pairs, you would have to have 32MB x 2 + 32MB x 2. It's a Win9x/ME system at best, possibly a lightweight Linux distro. Win2K might work, but the performance will be bad. XP or better is out of the question.

Your current CPU is a Pentium "classic" P54C. The K6-2 & Pentium MMX are P55C "dual voltage" CPUs. With the P54C both the I/O voltage & CPU voltage are the same (3.3v or 3.52v). With the P55C, the I/O voltage is 3.3v but the CPU voltage varies depending on the CPU. 2.8v was common for the Pentium MMX, but K6-2 voltages were between 2.0-2.5v. Make sure the board supports the P55C, if it doesn't, you're restricted to P54C CPUs only. If the board has a socket 5, a P133 is the best you can do. If it's a socket 7 AND supports P55C/dual voltage, the best you can do would probably be a K6-2/400 using the "2x as 6x" jumper trick, but you would have to be able to set the CPU voltage low enough. The following link may help:

Which chipset is the board based on?

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