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Politics : Formerly About Advanced Micro Devices
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To: Charles R who wrote (72729)9/22/1999 3:08:00 PM
From: Ali Chen  Read Replies (1) of 1574531
 
Chuck, <Where is the FSB speed set?>
In tech marketing department :)

Even old P-II parts (non-multiplier-locked)
have had enough timing margins (in practice!)
to run whatever FSB frequency is from 66
to 150+ MHz. Intel made a smart move
by locking the multiplier, so an attempt
to get into 133 quickly hits the internal
frequency limit. Therefore instead of
locking a 600 MHz part at 6x, all they need
is to lock it at 4.5X, and that's it.

The other problem was the 440BX chipset with
limited CPU to AGP frequency ratios, 1:1
and 2:3. So with 133 the AGP get heavily
overclocked and does not work. I guess they
fixed this in i820, so there will be the
green light to PC-133.

Unfortunately, AMD seems to be late to the
PC-133 party. As usual <GGG>.

<133 MHz FSB Katmais as a backup plan for CuMine?>
This is an interesting observation indeed.
Could be that the CuMine is still in trouble :)
Must be good for AMD.

- Ali, "Little Screwdriver Buddy of PRengle"
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