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Adding fuel to the fire...my dual GHz G4 order

post #1 of 15
Thread Starter 
[quote]PMG4 1GHZ DP/L3/512/80G/SDR/GEF4MX-USA<hr></blockquote>

Weird. Why would they even bother with adding that to the description?

btw...IT SHIPPED.

[ 01-31-2002: Message edited by: Eugene ]</p>
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post #2 of 15
[quote]Originally posted by Eugene:
<strong>

Weird. Why would they even bother with adding that to the description?

btw...IT SHIPPED.

[ 01-31-2002: Message edited by: Eugene ]</strong><hr></blockquote>

SDR?
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post #3 of 15
[quote]Originally posted by JRC:
<strong>

SDR?</strong><hr></blockquote>
Opposite to DDR.
oy!
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oy!
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post #4 of 15
"SDR" means single data rate memory and refers to how often data is transmitted per clock cycle. SDR memory transmits data once per cycle (on the clock's rising or falling edge). Double data rate (DDR) memory transmits data twice per clock cycle, on both the rising and falling edges, increasing memory bandwidth.

Double data rate memory is common in x86 PCs. Most new Athlons and some P4s use DDR SDRAM, other P4s use RDRAM. Both RDRAM and DDR SDRAM transfer data on both edges of the clock signal.

Currently, PowerMacs use SDR SDRAM (PC 133), transferring data once per clock, with a clock rate of 133MHz. The strange thing is why mention it when 1) all Macs use SDR RAM at present 2) SDR RAM isn't impressive, as it is quite old technology. Perhaps something DDR this way comes...
Stoo
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post #5 of 15
GEF4MX-USA

Now THAT'S weird! I wonder what the French version looks like? Constant blur effect? Maybe the German series has a Neo-Cubic feel to it?
post #6 of 15
I know the Swiss version makes holes into your screen

G-News

PS Nice buy Eugene
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post #7 of 15
Actually SDR in this case probably stands for Superdrive
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post #8 of 15
I think Telomar is right, good eye man...
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Double Pump |sh
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post #9 of 15
I agree with the last two posters. Looks like you missed one of the best devices in your new G4 Eugene. <img src="graemlins/lol.gif" border="0" alt="[Laughing]" />
post #10 of 15
SDR = Superdrive
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post #11 of 15
[quote]Originally posted by Stoo:
<strong>Both RDRAM and DDR SDRAM transfer data on both edges of the clock signal.
</strong><hr></blockquote>

Actually, if I remember correctly RDRAM isn't only DDR, but QDR (quad).

Bye,
RazzFazz
post #12 of 15
Thread Starter 
Fran441, D'oh
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post #13 of 15
[quote]Originally posted by Telomar:
<strong>Actually SDR in this case probably stands for Superdrive </strong><hr></blockquote>

That's what I originally thought. Then assumed I was just ignorant.
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post #14 of 15
rdram is totally different from conventional ram, its 400 mhz scalabe to 1024 mhz it is designed to be incredbly fast, but from what I hear(and experienced) its buggy, and actually not much of a performance increase over ddr. and likewise ddr isn't that much of a performance increase over sdr in terms of ram at least, if hte new g4 had ddr ram it would probably perform about 10-12% better at most applications, but then again some applications would get MASSIVE increase in speed and performance if apple used ddr ram and sped up the system bus.
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post #15 of 15
[quote]Originally posted by Eugene:
<strong>btw...IT SHIPPED.</strong><hr></blockquote>
Uhh, Eugene?

You are gonna, like, sound off once it arrives, & give us all the gory details, right???
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