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Old 28-07-2007, 08:59 PM   #17
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Re: My first retail E6600 - L709A958 SL9ZL

L709A is a very good stepping; time to try it under cold
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Old 29-07-2007, 04:47 AM   #18
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Re: My first retail E6600 - L709A958 SL9ZL

Come on George. 1.48V wont kill a C2D in the lifetime it's going to see.
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Old 29-07-2007, 05:20 AM   #19
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Re: My first retail E6600 - L709A958 SL9ZL

By T_M View Post
Come on George. 1.48V wont kill a C2D in the lifetime it's going to see.
True... it this is info for everyone else reading this thread... as opposed to saying 'don't worry with stock intel hsf shove 1.6v 24/7' you know what i mean

E6600 L709A958 Max FSB

Anyway, playing with max FSB and disappointing it seems E6600 L709A958 hitting limit at 485FSB x7 Not sure if it's the board or cpus.

So far tested 3 cpus on Asus Blitz Extreme with 0601 bios with stock passive heatpipe heatsinks with 120x25mm fans over them:
  • X6800 L627A872 B2 retail = 485FSB max (on P5K Deluxe did 490-495FSB)
  • E6750 G0 ES = 490FSB max (on P5K Deluxe did 495-500FSB)
  • E6600 L709A958 B2 retail = 485FSB max
Tried upto 1.75v NB and 1.9v CPU PLL and didn't help. NB/SB temps were only around 32-40C (NB) and 34-36C (SB).

Asus Blitz Extreme
+
Radiical Chipset Waterblock

So thought why not try water cooling the Northbridge ? From reviews water cooling on the Fusion Block System didn't improve overclocks at all only temps. So thought of using Radiical Chipset waterblock in a Corsair Cool single 120mm radiator/fan with MCP350 pump in a 3/8" tubed loop.

Stock motherboard cooling with Swiftech G4 Storm installed



Southbridge, Crosslinx core, Northbridge P35 chipset core and mosfets.


A look at the state of the TIM appliacation on NB, SB, Crosslinx and mosfet heatpipe heatsink


  • For Northbridge core used Radiical chipset water block with 3/8" barbs.
  • For Southbridge core cooling used a heatsink off my old Asus P5W DH motherboard.
  • For Crosslink core cooling used a heatsink off an Abit motherboard with Sekisui #5760 thermal tape - sawing off one side's retention piece.
  • For mosfet cooling, reused some Microcool aluminium heatsinks with Sekisui #5760 thermal tape.
  • I used some 3M Scotch Vinyl insulating tape over NB core components and also near dimm slot cloest to cpu socket as the Radiical chipset backplate is touching some pins coming out the back of the motherboard.




After all that work, guess what max FSB for E6600 L709A958 still 485FSB

But NB temps dropped from 32-40C to 23-26C and SB temps dropped from 32-36C to 28-30C at similar voltages

Last edited by eva2000; 29-07-2007 at 05:39 AM.
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Old 29-07-2007, 05:45 PM   #20
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Re: My first retail E6600 - L709A958 SL9ZL

Looks like those sinks were already pretty well seated

Too bad that Anus heatpipes are just so much scrap metal that cost a fortune, look like crap and get in the way of serious overclockers
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Old 29-07-2007, 07:14 PM   #21
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Re: My first retail E6600 - L709A958 SL9ZL

Yeah they're seated and making contact very well - hardest heatsink to remove was the southbridge heatsink once that loosened up the rest came off easily

Well here's before and after at same 8x450FSB 1:2 900mhz 7-6-5-18 4-48-6-8-8 at same vFSB/NB/SB voltages of 1.34v/1.49v/1.05v respectively.
  • Before = stock heatpipe heatsink NB/SB/Crosslinx/Mosfet with 120x25m Spire 96cfm fans cooling them
  • After = Radiical Chipset water NB + P5W DH SB heatsink/Abit blue heatsink Crosslink/Microcool Aluminium heatsinks for Mosfet with 120x25m Spire 96cfm fans cooling them
Before
  • MB = 24C Idle / 25C Load
  • NB = 34C Idle / 37C Load
  • SB = 32C Idle / 33C Load

After
  • MB = 25C Idle / 25C Load
  • NB = 27C Idle / 28C Load
  • SB = 31C Idle / 31C Load
Before

Idle/Load




After


Idle/Load


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Old 29-07-2007, 08:47 PM   #22
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Re: My first retail E6600 - L709A958 SL9ZL

Interesting that your dissapointed with only getting up to 495 Fsb ..not bad considering the board was probably built to Handle 266 Fsb

anything above this we should be happy with..Hori sits n waits for smack on Backside for speaking his thoughts eheh

seriously i have always struggled around the 490 Fsb mark its like its some limit of these boards or Cpu"s ???

Cheers Hori
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Old 30-07-2007, 05:06 AM   #23
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Re: My first retail E6600 - L709A958 SL9ZL

yeah true but we always want more

there's a cpu and board FSB just depends on which you hit first

E6600 L709A958 clocks pretty well though





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Old 30-07-2007, 10:34 AM   #24
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Re: My first retail E6600 - L709A958 SL9ZL

hmmm looks like the board stinks

wasn't that CPU tested already for really high FSB

try the good old P5B board
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