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Need help with installing my HD 5870 (PSU & BIOS Problems)

post #1 of 6
Thread Starter 
Hi all, newbie to the forums here! I am currently trying to upgrade my Graphics set up on my i5 PC. I researched my specs and all seems to be in order for it to run successfully, however i do need some help.

Firstly i am a bit confused over the right connections to my PSU (OCZ MOD EXSTREAM 500W). It has 2 PCI-E ports, however the card I got came with a 6pin to 2 molax connectors. I have an adapter from molax to PCI-E but i have a normal 6pin to 6pin PCI-E, can i just use this?
I did try with both, however on both runs received an instant BIOS warning beep (AMI BIOS, Continuous high beep; Video Card problem).
Here's a basic Sandra for my system if it will help:

Processor
Model : Intel(R) Core(TM) i5 CPU 750 @ 2.67GHz
Speed : 2.8GHz
Cores per Processor : 4 Unit(s)
Threads per Core : 1 Unit(s)
Type : Quad-Core
Integrated Data Cache : 2x 32kB, Synchronous, Write-Thru, 8-way, 64 byte line size, 2 threads sharing
L2 On-board Cache : 2x 256kB, ECC, Synchronous, ATC, 8-way, 64 byte line size, 2 threads sharing
L3 On-board Cache : 8MB, ECC, Synchronous, ATC, 16-way, Exclusive, 64 byte line size, 16 threads sharing

Computer
Mainboard : Asus P7P55D LE
BIOS : AMI 1307 02/23/2010
Bus(es) : ISA X-Bus PCI PCIe IMB USB FireWire/1394 i2c/SMBus
Multi-Processor (MP) Support : No
Multi-Processor Advanced PIC (APIC) : Yes
Total Memory : 8GB DIMM DDR3

Chipset
Model : ASUS Core (Clarksfield/Lynnfield) DMI
Front Side Bus Speed : 2x 2.41GHz (4.82GHz)

Chipset
Model : Intel Core Desktop (Lynnfield) UnCore
Front Side Bus Speed : 2x 2.41GHz (4.82GHz)
Total Memory : 8GB DIMM DDR3
Channels : 2
Memory Bus Speed : 2x 670MHz (1.34GHz)

I am very new to Video Graphics and although i have tried to research this for myself, I haven't really found anything to help a noob such as myself! Also doing it myself may end up in a nasty bang!

Many Thanks
post #2 of 6
The molex-to-6-pin adapter is needed if you only have one 6-pin cord on your PSU. Since your PSU should have two, just use those.

Edit: To clarify, you do need to plug in two 6-pin cables to your 5870.
post #3 of 6
Plug the PCI-E ones into the graphics card. No need to use that molex adapter.



Try taking out the graphics card and reseating it as well.
post #4 of 6
I like to use ATI Catalyst Software Suite, it has all the newer drivers.

Good Luck !

http://sites.amd.com/us/game/downloa...n_win7-64.aspx
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CPUMotherboardGraphicsRAM
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MonitorKeyboardPowerCase
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New Rig
(15 items)
 
 
CPUMotherboardGraphicsRAM
AMD 8350 @ 4.7 stable  Biostar TA990FXE 7950 Boost Reference 1100gpu 1600mem  16 gig Corsair Vengence 1600mhz 
Hard DriveOptical DriveCoolingOS
Samsung 840 120gig SS LG Corsair h100i Win 7 Pro 
MonitorKeyboardPowerCase
23" HP and 50" LG Plasma Dual Ducky Lighted Mechanical with brown switches CoolerMaster 1000watt Silent Pro Modular  Cooler Master 912 HAF 
MouseAudio
G9 Laser Mouse Onboard run to a SoundCraftsman 250 watt x2 cha... 
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post #5 of 6
Thread Starter 
Ok then, thanks for fast reply. Just to clarify it is 1x6pin PCI-E to the PSU and another 8pin to 6pin to the PSU as well? Sorry if i'm being an idiot, i have a feeling this is pretty basic.
post #6 of 6
Quote:
Originally Posted by olivertrickett View Post
Ok then, thanks for fast reply. Just to clarify it is 1x6pin PCI-E to the PSU and another 8pin to 6pin to the PSU as well? Sorry if i'm being an idiot, i have a feeling this is pretty basic.
Yep. No worries, it happens to everyone.
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