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"Al Franz" wrote in message et... Have a motherboard that only supports PC100 memory. Can I still use PC133 memory, will it still work and run at the slower speed? 440BX chipset? Older PC133 will be ok. Some of the newer modules state on the package that it is not backwards compatible with PC100. bluestringer |
#2
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PC133 memory in PC100 board
Have a motherboard that only supports PC100 memory. Can I still use PC133
memory, will it still work and run at the slower speed? 440BX chipset? |
#3
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It will work and run at 100MHz.
-- DaveW davew02 at comcast dot net "Al Franz" wrote in message et... Have a motherboard that only supports PC100 memory. Can I still use PC133 memory, will it still work and run at the slower speed? 440BX chipset? |
#4
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Al Franz wrote:
Have a motherboard that only supports PC100 memory. Can I still use PC133 memory, will it still work and run at the slower speed? 440BX chipset? .. The 440BX chipset supports chip densities up to 128Mbit. Most of the new PC133, 256MB DIMMs have eight 32Mx8(256Mbit) chips. If you are getting a 256MB DIMM, you'll need to get one that has sixteen 16Mx8(128Mbit) chips. Avoid the cheap, generic 256MB DIMMs that have sixteen 32Mx4 chips. If you are getting 128MB DIMMs, look for those with either eight 16Mx8(128Mbit), or sixteen 8Mx8(64Mbit) chips. |
#5
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Al Franz wrote:
Have a motherboard that only supports PC100 memory. Can I still use PC133 memory, will it still work and run at the slower speed? yes 440BX chipset? -- Are you registered as a bone marrow donor? You regenerate what you donate. You are offered the chance to donate only if you match a person on the recipient list. Call your local Red Cross and ask about registering to be a bone marrow donor. spam trap: replace shyah_right! with hotmail when replying |
#6
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"spodosaurus" wrote in message ... Al Franz wrote: Have a motherboard that only supports PC100 memory. Can I still use PC133 memory, will it still work and run at the slower speed? yes Everyones so quick to answer yes, but there are boards out there that *only* support PC100 memory. How do I know, because I got screwed by everybody telling me that PC133 would work. It didn't. Check your manual, if it says PC100 ONLY then believe it and spend your money wisely. |
#7
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Al Franz wrote: Have a motherboard that only supports PC100 memory. Can I still use PC133 memory, will it still work and run at the slower speed? Have you consulted www.crucial.com where all (Crucial/Micron) memory is identified which is supported by your motherboard (if it is in their data bank)? 440BX chipset? I have the Asus P3B-F (1.04) with a standard bus speed of PC100 and run a PIII600E@800MHz (FSB133) with PC133 memory... Roy |
#8
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"LeeB18509" wrote in message ...
Everyones so quick to answer yes, but there are boards out there that *only* support PC100 memory. How do I know, because I got screwed by everybody telling me that PC133 would work. It didn't. Check your manual, if it says PC100 ONLY then believe it and spend your money wisely. But some manuals and manufacturers are lousy about providing the information, or manuals for old equipment mention only certain brands of 64MB and smaller modules that are no longer available. For example, one manual said that nothing larger than 64MB had been tested with the mobo, yet it works fine with 256MB 16-chip PC133 modules, provided the chips are 16Mb x 8 and not 32Mb x 4. |
#9
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"Rainer Wiechmann" wrote in message ... More than likely your MB will only recognize DIMMs up to 256Mb that are single-sided architecture....meaning that all the ICs are located on one side of the module. watch out for this...Newer double sided DIMM boards will probably show up as half their capacity and may not work altogether. PC133 single sided DIMMs have worked fine for me in my MB (ASUS P6B) but yes, they will only run at 100Mhz Al Franz wrote: Have a motherboard that only supports PC100 memory. Can I still use PC133 memory, will it still work and run at the slower speed? 440BX chipset? I found it's the chip density, not the number of chips that make PC133 (32x64) compatible with PC100 (16x64) boards. Some high density PC133 memory won't work at all while some only work with half the memory size and some may work depending on the mb. |
#10
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Rainer Wiechmann wrote in message ...
More than likely your MB will only recognize DIMMs up to 256Mb that are single-sided architecture....meaning that all the ICs are located on one side of the module. watch out for this...Newer double sided DIMM boards will probably show up as half their capacity and may not work altogether. PC133 single sided DIMMs have worked fine for me in my MB (ASUS P6B) I've found the opposite to be true, at least with 256MB (not 256Mb, which would be just 32MB), and every 256MB I tried that contained just 8 chips was recognized by 440BX motherboards as a 128MB module. |
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