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Overclocking P4 causing ethernet card problems!

post #1 of 7
Thread Starter 
Hey guys, I am overclocking my P4 3.0GHz LGA775 Prescott and when I attempt to run it at around 3.8GHz or more, the ethernet card is not detected anymore in windows and therefore I can't connecto the internet. At about 3.60GHz everything is fine. I heard you had to lock the PCI bus so I locked it to 33.33MHz. Although, I found out the ethernet card is integrated but using the PCI Express bus. I then found an option in the bios to change the PCI-E bus from 90MHz-150MHz. I tried a few different speeds and still had no luck. I do have a very cheap 400W PSU and maybe that is the problem? Anyway, I'd appreciate any advice/info someone could give. Thanks!
My System
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CPUMotherboardGraphicsRAM
Core 2 Duo E8400 @ 4.12 GHz Gigabyte EP45-UD3L Sapphire 4870x2 2GB OCZ Platinum PC2-8500 DDR2-1066 
Hard DriveOptical DriveOSMonitor
Seagate Barracuda 320GB Pioneer DVR-116D Windows 7 x64 Samsung SyncMaster 2343BWX 
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Corsair 650TX Cooler Master Elite 334 Razer Diamondback 3G 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core 2 Duo E8400 @ 4.12 GHz Gigabyte EP45-UD3L Sapphire 4870x2 2GB OCZ Platinum PC2-8500 DDR2-1066 
Hard DriveOptical DriveOSMonitor
Seagate Barracuda 320GB Pioneer DVR-116D Windows 7 x64 Samsung SyncMaster 2343BWX 
PowerCaseMouse
Corsair 650TX Cooler Master Elite 334 Razer Diamondback 3G 
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post #2 of 7
All I can think of is that you should lock the PCIe bus frequency to 100MHz and try again.
I really doubt the PSU is the culprit for your onboard LAN's failure.

Please fill in your specs by clicking here so you can get better help from forum members.
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P4 630 3.0GHz Asus P5LD2-VM Windows XP Pro (SP2) Viewsonic VX-724 (LCD) 
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My System
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CPUMotherboardOSMonitor
P4 630 3.0GHz Asus P5LD2-VM Windows XP Pro (SP2) Viewsonic VX-724 (LCD) 
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post #3 of 7
definatlry lock the PCie bus

also, try overclocking even higher, and see if it comes back, some MOBOs are just weird

also try a regular PCI LAN card, and see if it locks
Finaly Dual Core
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Pentium D 805 4Gz ABIT AW9D-MAX Saphire x1950 Pro 512 4x512 Buffalo Firestix 
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Finaly Dual Core
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post #4 of 7
Leave your PCI-e settings to 100MHz. If you can not make connection at 3.8 then enter your BIOS and disable that onboard Ethernet chip and install an ethernet adapter if you wish to keep the high o/c.

Otherwise, drop your o/c to 3.6GHz. Please look to the top of the web page where you will see a designation "CP" (Character Profile) and enter that area. Then you can fill out all the various system specs so that we can better help by knowlege of your system.

R
Roped In
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Roped In
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CPUMotherboardGraphicsRAM
Core i7 2600k P8P67 Pro Rev (3.1) @ B3 XFX Radeon HD 6950 XXX 16GB G.SKILL Ripjaws 9-11-9-28 
Hard DriveOptical DriveOSMonitor
2 X Callisto Deluxe 25nm 60GB Plextor PX-B910SA 4x Blu-ray DVD-RW Win7 64 2 x Samsung 275T+ 
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post #5 of 7
Thread Starter 
Hey guys, thanks for the replies. I made my sig with my comp specs as you requested. I'm logged on at 3.83GHz with the PCI-E locked at 100MHz and the ethernet is working. I'm going to try for a bit more, but if it doesn't work I have a spare ethernet card I'm going to use in my PCI slot to see if it works.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core 2 Duo E8400 @ 4.12 GHz Gigabyte EP45-UD3L Sapphire 4870x2 2GB OCZ Platinum PC2-8500 DDR2-1066 
Hard DriveOptical DriveOSMonitor
Seagate Barracuda 320GB Pioneer DVR-116D Windows 7 x64 Samsung SyncMaster 2343BWX 
PowerCaseMouse
Corsair 650TX Cooler Master Elite 334 Razer Diamondback 3G 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core 2 Duo E8400 @ 4.12 GHz Gigabyte EP45-UD3L Sapphire 4870x2 2GB OCZ Platinum PC2-8500 DDR2-1066 
Hard DriveOptical DriveOSMonitor
Seagate Barracuda 320GB Pioneer DVR-116D Windows 7 x64 Samsung SyncMaster 2343BWX 
PowerCaseMouse
Corsair 650TX Cooler Master Elite 334 Razer Diamondback 3G 
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Reply
post #6 of 7
Thread Starter 
Ok well I'm at 3.94GHz right now and the ethernet card was not detected. I then installed my spare PCI card and it works fine. Strange thing is, the onboard ethernet was never detected in network connections and now that I put my PCI one in, both of them show up. I'm like ok........ so I tried to enable the onboard one and it said "Connection failed" so I am very confused why it would show now but still not work.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core 2 Duo E8400 @ 4.12 GHz Gigabyte EP45-UD3L Sapphire 4870x2 2GB OCZ Platinum PC2-8500 DDR2-1066 
Hard DriveOptical DriveOSMonitor
Seagate Barracuda 320GB Pioneer DVR-116D Windows 7 x64 Samsung SyncMaster 2343BWX 
PowerCaseMouse
Corsair 650TX Cooler Master Elite 334 Razer Diamondback 3G 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core 2 Duo E8400 @ 4.12 GHz Gigabyte EP45-UD3L Sapphire 4870x2 2GB OCZ Platinum PC2-8500 DDR2-1066 
Hard DriveOptical DriveOSMonitor
Seagate Barracuda 320GB Pioneer DVR-116D Windows 7 x64 Samsung SyncMaster 2343BWX 
PowerCaseMouse
Corsair 650TX Cooler Master Elite 334 Razer Diamondback 3G 
  hide details  
Reply
post #7 of 7
I would not have it enabled from the BIOS as there seems to be a detection problem. You do not wish to leave it enabled as you might endanger it further. By disabling it, you are not allowing it to function and thus if you decide to sell the board it will be functional which it might not be if you allowed it to be enabled.

R
Roped In
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core i7 2600k P8P67 Pro Rev (3.1) @ B3 XFX Radeon HD 6950 XXX 16GB G.SKILL Ripjaws 9-11-9-28 
Hard DriveOptical DriveOSMonitor
2 X Callisto Deluxe 25nm 60GB Plextor PX-B910SA 4x Blu-ray DVD-RW Win7 64 2 x Samsung 275T+ 
KeyboardPowerCaseMouse
Logitech G15 Corsair HX10000 Antec 1200 Logitech G7 
Mouse Pad
Splatter Game Pad 
  hide details  
Reply
Roped In
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core i7 2600k P8P67 Pro Rev (3.1) @ B3 XFX Radeon HD 6950 XXX 16GB G.SKILL Ripjaws 9-11-9-28 
Hard DriveOptical DriveOSMonitor
2 X Callisto Deluxe 25nm 60GB Plextor PX-B910SA 4x Blu-ray DVD-RW Win7 64 2 x Samsung 275T+ 
KeyboardPowerCaseMouse
Logitech G15 Corsair HX10000 Antec 1200 Logitech G7 
Mouse Pad
Splatter Game Pad 
  hide details  
Reply
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