Cyrix does in fact make (or used to) make a 5 volt 486dx2. I have
two of them, 66 and 80 mhz. As a bonus, they have a bonded heat-
sink and do not require a fan.
The SX to DX upgrade will probably be as simple as plug it in
and turn it on, only if the existing SX is a pin grid array
package.
[About upgrading a 486SX-33 chip.]
I wonder, did the original poster consider a 486DX4-100? If you are
going to spend some money, this would definitely be a more noticeable
change. Intel has (used to have?) 5V 486DX4-100 chips that can without
modification be plugged in any old motherboard that
At 08:42 PM 5/24/97 -0400, you wrote:
Hi,
I have here a 486sx33 and i would like to know if i can change the cpu for
a dx2 66 ... In the specification of the board, i seen that a 486 sx2 66
A 486SX/33 and a DX2/66 are both 5 volt chips, so that's probably ok. Just
be sure to check your
Currently Intel is the only manufacturer selling 5v 486 chips.
It *should* be a straight drop-in, no jumper changes required.
A *very* old motherboard *could* have a problem supplying enough
current for the doubled chip. But I haven't seen that happen yet,
and I've upgraded a number of
Hi,
I have here a 486sx33 and i would like to know if i can change the cpu for
a dx2 66 ... In the specification of the board, i seen that a 486 sx2 66
is supported. A mathematics coprocessor is also supported.
Thanks in advance for your help ;)
Dany Dionne
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