AMD K5 Processors

Hi All, Sorry to bother the technically minded again but I'm thinking of upgrading my processor. I want to get an AMD K6 or K6/2 (preferably around 333MHz). Reading the documentation for my motherboard, it says that it supports Pentium CPU's up to 200MHz. But it is a socket 7 board (an i430VX) so can I run a K6? Or will it frazzle my machine into oblivion? Thanks! -- Graeme Nash You know what to do with "don't_spam_me"... http://www.karisma1.demon.co.uk/ ICQ# 11257824 "My car appeared to disagree with my preference for living"

Sorry.... -- Graeme Nash You know what to do with "don't_spam_me"... http://www.karisma1.demon.co.uk/ ICQ# 11257824 "My car appeared to disagree with my preference for living"

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> Sorry to bother the technically minded again but I'm thinking of > upgrading my processor. I want to get an AMD K6 or K6/2 (preferably > around 333MHz). > Reading the documentation for my motherboard, it says that it supports > Pentium CPU's up to 200MHz. > But it is a socket 7 board (an i430VX) so can I run a K6? Or will it > frazzle my machine into oblivion?

To run a K6, your motherboard has to support Pentium MMX cpu's. The difference is in the voltage requirements. A mobo that only supports up to 200 mHz cpu's may be to old to support MMX. K6-2's require an even newer voltage standard. How do you intend to run a 333 mHz processor with a 200 mHz mobo? -- Pat Dotson IMPACT Motorsports http://www.impactmotorsports.com/pd.html

Hi, OK, I'll try to summarise. I'm not very good with technical Jargon, y'see! BTW my primary choice now is an AMD K6-300MMX. -- 1)My m'board (an i430VX, bought May '97) runs my current CPU, an MMX P200. 2)I'm pretty sure it runs at 3.3V. 3)The manual says - "Supports 75/90/100/...../180/200 MHz Pentium CPU's. Although maybe anything beyond 200MHz wasn't invented then:) 4)It has a 321 pin ZIF socket. 5)I know for a fact that it doesn't support PII's, if that affects it at all. 6)It supports AMD K5's, I know that much. 7)It supports up to 66MHz bus speed. I'm really grateful for any help, as I can't afford a new machine just yet and I would really like to improve my GPL experiences! Cheers! -- Graeme Nash You know what to do with "don't_spam_me"... http://www.karisma1.demon.co.uk/ ICQ# 11257824 "My car appeared to disagree with my preference for living"

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> Hi, > >To run a K6, your motherboard has to support Pentium MMX cpu's. > >The difference is in the voltage requirements. A mobo that > >only supports up to 200 mHz cpu's may be to old to support MMX. > >K6-2's require an even newer voltage standard. > >How do you intend to run a 333 mHz processor with a 200 mHz > >mobo? > OK, I'll try to summarise. I'm not very good with technical Jargon, > y'see! BTW my primary choice now is an AMD K6-300MMX.

I'm in almost the same situation as you. I have a K6-166 oc'd to 208 (83 mHz bus). It runs at about the speed of a normal P5-233. Combined with a V1000 video card, I can hotlap all day at 30+ fps with most details on. I can race with about 8 AI cars with most details off, and still get around 30 fps outside of traffic. If it supports a P5-MMX, it has the split-voltage support that a regular K6 needs. And you won't be able to run any cpu at greater than 200 MHz. To run a K6-300 at 300 will require a new mobo. Based on what you have said, you will have to get a new motherboard to go with any new cpu you buy - whether it's a K6, K6-2 or a P2, so maybe you should consider a P2? The cheapest way to go is probably to get a cheap super socket 7 board, with a K6-2 300. By mail order, that should be around $200 or less. -- Pat Dotson IMPACT Motorsports http://www.impactmotorsports.com/pd.html

To run a K6-2 the bus speed needs to be 100 MHZ, not 66. Your board's bus speed is too slow to a K2. Pentium I chips normally use a BabyAT size board,. They need a 66MHZ bus speed board, and must have a SOCKET 7 CPU socket. A Pentium II normally use an ATX size board ), SLOT-1 CPU socket, and 66 or 100 MHZ bus, depending on WHICH SPEED of PII it is. A Intel Celeron needs SLOT1 and 66MHZ bus is fast enough. They do come in Baby AT size or ATX. A K6-2 needs SOCKET7 and 100MHZ, The good news is that K6-2 boards usually come in Baby AT size (ATX size also available) so the new MB's designed for the K6-2 at your local dealer are the right size. The slang name for a SOCKET 7 board that runs at speeds up to 100MHZ and is designed for K6-2 chips is 'SUPER SOCKET 7" board. They sell like hotcakes now for about $100. All local dealers will have them. The actual CPU, a K6-2 will cost about $230 and may or may not take the old style EDO RAM.

On Mon, 5 Oct 1998 20:03:39 +0100, Graeme Nash

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>Hi, >>To run a K6, your motherboard has to support Pentium MMX cpu's. >-- >1)My m'board (an i430VX, bought May '97) runs my current CPU, an MMX >P200. >2)I'm pretty sure it runs at 3.3V.

The CPU core runs at 2.9V (the CPU would blow up otherwise, so that's pretty sure:-) Very likely. Correct. Um, that could be a real problem. AFAIK you need a 100 MHz system to run the K6/2 at 300 MHz. I think you'll need a new motherboard - but then you could also buy a cheap Slot1 MB and a Celeron A with 300 or 333 MHz which should give you better performance of GPL as this doesn't support 3DNow!. CU Daniel -- Daniel Lichtenberger, Vienna/Austria

Why by a Celeron to go on an expensive Slot 1 board?? Would a cheaper AMD K-2 with at 100 MHz board and 512k L2 cache not be a cheaper and better option??? Has the Celeron been proven to be faster??? I thought they had hardly any cache, the early ones didn't have any!! Just my thoughts, any one out there with an AMD K-2?? What frame rates are you getting??? Do we really want to give Intel more money to make pretty adverts???? Scott

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> Why by a Celeron to go on an expensive Slot 1 board?? Would a cheaper AMD K-2 > with at 100 MHz board and 512k L2 cache not be a cheaper and better option??? > Has the Celeron been proven to be faster??? I thought they had hardly any > cache, the early ones didn't have any!! > Just my thoughts, any one out there with an AMD K-2?? What frame rates are > you getting??? Do we really want to give Intel more money to make pretty > adverts???? > Scott > > Um, that could be a real problem. AFAIK you need a 100 MHz system to > > run the K6/2 at 300 MHz. I think you'll need a new motherboard - but > > then you could also buy a cheap Slot1 MB and a Celeron A with 300 or > > 333 MHz which should give you better performance of GPL as this > > doesn't support 3DNow!. > > >I'm really grateful for any help, as I can't afford a new machine just > > >yet and I would really like to improve my GPL experiences! > > >Cheers! > > CU > > Daniel > > -- > > Daniel Lichtenberger, Vienna/Austria

It is perfectly possible to put a 300MHz Celeron A (w 128K L2 cache) in a decent 100MHz FSB capable board and with a bit of gigery-pokery overclock it to 450MHz. At this speed it will outrun a genuine PII-450 since the celeron cache runs at processor speed as opposed to the PII's half speed cache. Check out http://www.tomshardware.com for details