memory problem

[rabt]

I have a PII MMX 166MHZ Celeron
my prob is I have upgraded my memory from 32meg to 128meg but on bootup it only shows 32meg I put a smaller module in ie. 8meg and bootup reads it ok
What am I doing Wrong ?

Rabt

[YODA74]

Pentium-II - The RAM Depends on the chipset!

Your motherboard is controlled by a 'chipset'. These are the chips that soldered directly into your board. Who makes the chipset, and the chipset generation (usually identified by an alpha or alpha-numeric name) is very important in determining what RAM your system needs.

The first P-II motherboards originally would only take EDO ram because they were based on the older Intel FX chipset, which was developed for Pentium-Pro chips. Almost all FX chipset based Pentium-II motherboards had sockets for 168-pin EDO DIMMs only. Very few were designed to take EDO SIMMs.

Starting at approximately February 1998, P-II motherboards began shipping with the newer Intel LX chipset which had an FSB (front-side bus-speed) of 66MHz. LX boards run at a maximum bus speed of 66MHz and do support PC66 SDRAM DIMMs, (also known as SDIMMs). PC66 SDIMMs are usually 10 nanoseconds. By the summer of 1998, motherboards started shipping with the newer Intel BX chipset, which could run at 100MHz. The BX chipset boards take PC100 SDIMMs. You can add SDIMMs to your Pentium-II motherboard one at a time.

Depending on the MHz speed of your P-II, you either need PC66 or PC100 SDRAM. P-II 233, 266 and 333 CPUs run at an FSB speed of 66MHz so you need PC66 SDRAM (or PC100 or PC133 modules set to run at 66MHz, underclocked). If you have a P-II 350 or 400 you need PC100 SDRAM (or PC133 SDRAM underclocked). If you have a P-II 300 your CPU's FSB could be 66 or 100 MHz, but since hardly anyone sells PC66 SDRAM anymore, just get PC100 or PC133 SDRAM modules. Your system will run them at either 66 or 100MHz anyway, so don't worry about it. :-)

What exactly have you put in.did you remove the old and put the new in the first slot?higher memory goes in first.

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