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Thread: / hz ns
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16th February 2002 17:37 #1Registered User
Join Date: Nov:2001
Posts: 14
/ hz ns
4 hz 4 4. .
4 4,5 ns 4 4. overclock
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16th February 2002 19:44 #2
ako ne me luzhe pametta "ns" oznachava v nanosekundi vremeto za edin cikul na pametta(vremeto ot edin request do sledvashtija). Broja cikli za sekunda shte ti dade bandwidth-a.
(1/cycletime)*100 bi trjabvalo da ti dade teoritichnata max skorost na pametta v MHz
teoritichna shtoto ne e zadulzhitelno pametta da raboti tochno na tazi skorost. Ako raboti na po niska imash kusmet shtoto mozhesh da ja vdignesh i da spechelish proizvoditelnost
(1/4.5)*100=222.2~Mhz
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16th February 2002 21:32 #3JohnGuest
babeshkata formula e (1/4.5)*1000 = 222.222MHz
inache e ns = 1E-9
1/(4.5e-9)=222.222e6
e ako imash calculator ot roda na Karce, nqma nyjda da broish na prysti
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16th February 2002 23:58 #4Registered User
Join Date: Sep:2001
Posts: 77
M . Ako SDRAM 168pin (PC66) 10ns. -100 8ns -133 7 7.5ns.
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17th February 2002 00:45 #5
. ns , , , 7ns , , 133 ...
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17th February 2002 01:37 #6
... - Micron Technology, -7.5A/B 170MHz cas2........
Mollov, Mollov
Runnin' .... some mighty d20s... now...
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17th February 2002 01:47 #7Registered User
Join Date: Jul:2001
Location: in my own time and space
Posts: 50
- f ( ) - t ( ). :
f=1/t ,
.. . - 133 MHz ( 133 000 000 Hz) - :
133+6 = 1/t ->
t ~= 7,52e-9 sec 7,5 ns.
,
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(..) ~= - " "
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17th February 2002 09:21 #8
, , , .. , 6 ns 166 Mhz, 80 % 180 Mhz, 40% 190 Mhz, , , 20% 190 Mhz, , , Intel , , , .
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17th February 2002 12:34 #9Registered User
Join Date: Sep:2001
Posts: 77
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- ( ) ( .. ) - .
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ATI: , , 3.6 3.5 . RADEON 8500 700 , .
( ?)
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17th February 2002 12:37 #10Registered User
Join Date: Sep:2001
Posts: 77
7.5ns Mikron 7.5ns Samsung
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17th February 2002 21:10 #11
Abe za men ima edna formyla: 1000/ns na pameta! 1000/4.5=222.2....
Poprincip chipovete na ram pameta sa po-nekachestveni i za tova ot 6ns pamet da istiskash 166Mhz e trydnichko i vupros na mnogo kusmet! Za primer az sum s pamet Micron 256MB na platkata pishe MADE IN USA i chipovete sa Hyndai 7,5ns. Pameta e 3/3/3 by SPD 7/9 na 133Mhz, no tova ne i prechi da izdurza 166 2/2/2, 5,7 strong conrol! Mozebi az sum popadnal na broika...
Imam i edna SpecTec koiato sushto e 7.5ns 128MB i poveche ot 135 2/2/2, 5/7 strong ne iska.
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17th February 2002 21:35 #12JohnGueste, zabravi da kajesh che i malko si napompal naprejenieto, za po golqmo otnoshenie signal/shumMollov (17-02-2002 01:37):
... - Micron Technology, -7.5A/B 170MHz cas2........
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17th February 2002 22:51 #13Registered User
Join Date: Jul:2001
Location: Sofia
Posts: 3,754
! "-"?....PARADOX_sf (17-02-2002 21:10):
...Poprincip chipovete na ram pameta sa po-nekachestveni...




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