Author Topic: Need help keeping R9 280x Cool  (Read 2461 times)

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Offline zak9494Topic starter

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Need help keeping R9 280x Cool
« on: January 16, 2014, 11:30:30 PM »
I have 5 Diamond 280x's running on one mother board with powered risers. They are in an open case with 4 inches apart from each other.  I have 2 large Vornado fans on them.  But temps run too hot and sometimes the cards get turned off.
Ive tried at least 30 different variations of configurations to cool down the cards without losing speed.
Its about 71 F in my apartment. Im getting around 700KH on each card.

GPU 0: 79 c @ 3651RPM
GPU 1: 73 c @ 3530RPM
GPU 2: 79 c @ 3671RPM
GPU 3: 88 c @ 3734RPM -- This ones keeps turning off
GPU 4: 74 c @ 2125RPM

If someone could please list configs that are working well for them or if any suggestions to be made to my current conf.

Thanks!

-------------------------------
Pool stuff….

]
,
"intensity" : "13,13,13,13,13",
"vectors" : "1,1,1,1,1",
"worksize" : "256,256,256,256,256",
"kernel" : "scrypt,scrypt,scrypt,scrypt,scrypt",
"lookup-gap" : "2,2,2,2,2",
"thread-concurrency" : "8192,8192,8192,8192,8192",
"shaders" : "2048,2048,2048,2048,2048",
"gpu-engine" : "1026-1026,1026-1026,1026-1026,1026-1026,1026-1026",
"gpu-fan" : "0-95,0-95,0-95,0-95,0-95",
"gpu-memclock" : "1498,1498,1498,1498,1498",
"gpu-memdiff" : "0,0,0,0,0",
"gpu-powertune" : "5,5,5,5,5",
"gpu-vddc" : "1.000,1.000,1.000,1.000",
"temp-cutoff" : "86,86,86,86,86",
"temp-overheat" : "87,87,87,87,87",
"temp-target" : "75,75,75,75,75",
"api-mcast-port" : "2048",
"api-port" : "4028",
"expiry" : "120",
"gpu-dyninterval" : "7",
"gpu-platform" : "0",
"gpu-threads" : "2",
"hotplug" : "5",
"log" : "5",
"no-pool-disable" : true,
"queue" : "1",
"scan-time" : "30",
"scrypt" : true,
"temp-hysteresis" : "1",
"shares" : "0",
"auto-fan" : true,
"no-submit-stale" : true,
"kernel-path" : "/usr/local/bin"
}


Offline zak9494Topic starter

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Re: Need help keeping R9 280x Cool
« Reply #1 on: January 18, 2014, 06:54:17 PM »
Cant power rig on, Please Help!

Im currently having new issues.
For some reason the rig won't power up.
Im using a PSU splitter between an 850w and a 102w@.
3 280x cards on the 1020w, 2 280x on the 850w

All of the sudden I can't get the power supplies to turn on.

The original way I had it setup was powering the motherboard and cpu from the 1020 but the 1020 won't turn on or at least the fan doesn't turn on.
The 850W has a red light on it when its plugged in and green when its running.. The red light is on.

When I switch it the other way: 850w powering the motherboard and cpu, the 1020w turns on or at least the fan does and then the 850w turns on for a second with a green light and then shuts off with the red light. 

This rig has been working for about 2 weeks and it started acting weird after simply restarting the computer.

Ive tried unplugging all the GPUs from the mother board and power supply.  Leaving the power supplies setup: plugged in the motherboard cpu, but nothing changes. 

Also tried different outlets.
Normally the rig powers up automatically when it sees power.
But I'm also trying a power switch but nothing.

 

7950 or R9 280X ?

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