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Crosshair V- not starting

thethat
Level 7

‎12-17-2011 04:25 PM - last edited on ‎03-05-2024 07:30 PM by Community Admin

Hi, I just build a new system.
But my Asus motherboard has two LED's that come up.
The first one, is the CPU led, that remains red.
The DDR led flashes.
Could any one tell me what these mean?
right now i have a PhenonII inside for CPU, need to flash the bios for my Fx8150
My ddr3 is on the dominator 4gb... found on the qualified vendor list.
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16 REPLIES 16

Flare
Level 7

‎12-18-2011 12:13 AM

Have you tried re-seating the RAM?
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oldbrave
Level 9
In response to Flare

‎12-18-2011 11:16 AM

Besides re-seating the ram, you might also want to remove and replace the CPU. While you have it out check all the pins to make sure you don't have ant bent or broken
Electronic Smoke Signals From my TechnoTeepee
ASUS Crosshair V Formula AM3+ 990FX, 1703 bios
AMD FX 8350 Vishera @ 5162Mhz [21x245] 1.546v 🙂
Water Cooled - Koolance EX2-1055, CPU 370 WB, Idle=22c Load=52c
32Gb G.Skill Sniper ddr3 1600 8G X 4 , 9-9-9-24 @ 1.55v
ASUS HD7970-DC2T-3GD5, Cat 13.5 beta 2, Dell U3011 @ 2560x1600
SanDisk Extreme 120Gb SSD SATA 6Gb, 250Gb SATA 6Gb, 1Tb SATA 6Gb x2
Win 7 Ultimate 64bit, Corsair Obsidian 800D, Corsair HX1000w PSU
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thethat
Level 7

‎12-19-2011 07:33 AM

The CPU worked with my last build, that was a few days ago, and i checked for broken/bend pins etc.
I have re-seated all the RAM too.

When plugging the 8 pin, and the 4 pin CPU power in, my start button lights up, but when pressing it nothing happens.
Normal?
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NemesisChild
Level 12

‎12-19-2011 09:07 AM

For now, do not connect the extra 4-pin CPU power, just go with the 8-pin.

Please list your system components, including the make & model of your PSU.
Intel i9 10850K@ 5.3GHz
ASUS ROG Strix Z490-E
Corsair H115i Pro XT
G.Skill TridentZ@ 3600MHz CL14 2x16GB
EVGA RTX 3090 Ti FWT3 Ultra
OS: WD Black SN850 1TB NVMe M.2
Storage: WD Blue SN550 2TB NVMe M.2
EVGA SuperNova 1200 P2
ASUS ROG Strix Helios GX601
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thethat
Level 7

‎12-19-2011 03:09 PM

Update: When clicking the power button, my PSU made a slight noise, so i used my other power supply, 850w TR2 Rx

This is my old system:Motherboard:Asus 990fx sabertooth
CPUFX8150 1.428V, 21 multiplier, 200.7 Mhz bs @4214.3Mhz
RAM Crosair Vengence 1600Mhz 4Gbx4:
Video Card Saphire Radeon HD6990
PSU TR2 Rx 850W
Monitor (connection used): Asus MS23H DVI connection


The new system has:
Motherboard:Asus Crosshair V
CPU FX8150 (currently trying to use an AMD Phenon II x6 1055t
RAM Crosair Dominator 1600Mhz 4Gbx4 (on the qualified vendor list.
Video Card Saphire Radeon HD6990
PSU: COOLER MASTER Silent Pro Hybrid RS-D00-SPHA-D3 1300W Intel ATX 12V V2.3 & SSI EPS 12V V2.92 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Modular Active PFC Power Supply (from newegg) using the 6pin+2 for my 8 socket- which did not work. my old PSU had a straight 8 pin, which worked.
Monitor (connection used): Asus MS23H DVI connection
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jj1157
Level 7
In response to thethat

‎12-19-2011 04:49 PM

Are you trying to use the 6pin+2 for your 12 volt power? If so that would be incorrect. Or do you mean you area using 6pin+2 for your Video Card. The correct way to connect your 12 volt power would be to use the two 4 pin connectors from you PSU to the 8 pin 12 volt power connection on your MB
M / B 24 pins x 1
CPU 4 + 4 pins x 2
PCI-e 6+2 pins x 8
SATA x 12
Peripheral 4 pins x 5
Floppy 4 pins x 1
Fan cable 3 pins x 3
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NemesisChild
Level 12

‎12-19-2011 05:34 PM

Oh my, tell me you're not trying to connect a 6+2 pin PCI-E power connection to your CPU 8-pin board header.

The 8-pin PSU power connection will be a 4+4 pin or a straight 8-pin connector.
Intel i9 10850K@ 5.3GHz
ASUS ROG Strix Z490-E
Corsair H115i Pro XT
G.Skill TridentZ@ 3600MHz CL14 2x16GB
EVGA RTX 3090 Ti FWT3 Ultra
OS: WD Black SN850 1TB NVMe M.2
Storage: WD Blue SN550 2TB NVMe M.2
EVGA SuperNova 1200 P2
ASUS ROG Strix Helios GX601
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thethat
Level 7

‎12-19-2011 06:48 PM

I used a normal 8 pin. (after i realized that the 6+2 pin does not bring power to the CPU.
But, I have tried another 6 core processor, the 1100t. Did not work, both those CPUs do work though. (the 1055t and 1100t)
Motherboard still does not "read" the CPU.
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jj1157
Level 7

‎12-19-2011 07:01 PM

The Cooler Master PSU he is using has two 4 pin connectors. Below are the connectors that come with the COOLER MASTER Silent Pro Hybrid RS-D00-SPHA-D3 1300W PSU

M / B 24 pins x 1
CPU 4 + 4 pins x 2
PCI-e 6+2 pins x 8
SATA x 12
Peripheral 4 pins x 5
Floppy 4 pins x 1
Fan cable 3 pins x 3
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