New P6T
in [Asus]
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From: Paul on 12 Aug 2010 23:05 Fabien Voland wrote: > > > On 08/12/2010 09:44 PM, Ghostrider <00> wrote: >> On 8/12/2010 9:48 AM, Fabien Voland wrote: >>> Hi, >>> >>> I installed a new system with motherboard >>> Asus P6T. >>> >>> But when I turn on the PC, all the fans run, HD start, but nothing >>> on the screen and no beep, no keyboard, nothing else. >>> >>> I have a 525W PSU. >>> >>> In the doc, it recommends a 600W PSU. >>> >>> The problem then would it ? >>> >>> Thank you in advance for your assistance. >>> >>> Fabien >> >> >> Good thought. And just how good is this 525W PSU, meaning >> just how was it rated, i.e., max power, continuous power, >> etc.? If this PSU is a "typical", plain one, not only is >> it underpowered by Asus's recomendation, the PSU might not >> be suitable for a high-end motherboard based on the Intel >> X58 chipset, i7 (LGA1366) CPU and triple-channel DDR3 RAM. >> >> Second thought. How good is the RAM and how much installed? > Hi, > > 3 x 2048. 6 GB. Kingston HyperX. > > Fabien There are *two* power cables on the motherboard. The 2x4 connector provides 12V to the processor area of the motherboard. If your power supply has a 2x2 connector, that will work fine. If you look at the 2x4 connector, there may be a "cap" covering four of the holes. You would place the 2x2 connector in the remaining holes. If the "cap" is not present, notice the position of the "latch" on the 2x4. The "latch" is towards the end, where a 2x2 could be inserted. http://www.playtool.com/pages/psuconnectors/4pinin8.jpg The picture in the user manual, shows which side is +12V. On the cable and connector coming from the power supply, the yellow colored wires are +12V, so you can verify the yellow colored wire is going to the side of the connector that is for +12V. Your motherboard has a 24 pin main power connector. You can use a 20 pin power supply or a 24 pin power supply. This picture, shows how you would connect a 20 pin supply. The latch on the connector, should still engage. http://www.playtool.com/pages/psuconnectors/20in24.jpg Once the power cables are in place, you can do one test with all RAM removed and with the video card removed. You should hear error beeps, with that hardware missing. The error beeps tell you the processor is reading BIOS code, which is a good sign. If the board remains silent, it could be the processor or the motherboard has a problem. Considering the high contact count (1366) of the processor socket, at that point, I would remove the processor from the socket, and visually check the contacts in the socket. When some motherboards are shipped, there can be crushed pins in there, and they will reflect the light differently than the rest of the pins. Normally, a cap covers the contacts in the LGA1366 socket, to prevent damage. Return the P6T to your seller, if it looks like the socket arrived damaged. If the "no RAM and no video" case, gave you some beeps from the speaker, you can put the RAM and the video card back, and continue with your testing. I think your power supply is fine - the system doesn't draw maximum power, when the BIOS starts up. That comes later. HTH, Paul |