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Nighthawk M1 custom fan
Hi everyone. Just wanted to share a little fun setup I made out of boredom. I found a spare slide switch and a 5V fan in my electronics box and also a 2 AA batteries socket connected in serial. I soldered it together and insulated the wires in a coating and stuck it beneath an opening in the lid and positioned the small fan inside the square, where the Li-Ion battery was supposed to sit before I detached it. It now runs on 3 volts providing a refreshing stream of air to aid the logic board in receiving its heavy loads from the telecommunications network. :) You could actually make it spin faster by using three or maybe four AA batteries without burning out the circuitry (I have tested it with as high a 12V battery, and it did tolerate that for several minutes). You could even get a 9V battery and a just slightly larger fan, or you could perhaps use a tiny lithium polymer battery and make a compact solution completely inside the device itself by using up the dimensions from the hollow battery compartment! I have noticed that the modem gets really hot when you pull torrents down for hours and some report that the DC current will decrease in case of overheating and start to drain the internal battery down to zero, while others report that using a fast charger (2.4A and up) without internal battery will less likely make their modem reboot, so for those people, this could be an adequate option to avoid removing or poking holes in the cover lid and mounting a regular sized cooling fan.
ReadyNAS Ultra 6
funny story for another time, needless to say, I now own a Ultra 6 populated with (6) 2TB WD NAS Reds. Couple of questions for those of you who are more experienced than I. 1) I see a 1gb 6200 CL6 DIMM on the Atom motherboard. Is this for the OS use or do read/write buffer from here? Also, would adding a 2nd 1gb DIMM improve the preformance enough to make it worth bothering ? 2) I see that there is and also mentioned a "2nd fan header" next the one being used by what is the case fan. There appears to be a 3rd fan header over closer to the CPU. Can anyone confirm that this is a operational fan header ? 3) Have any of you had thermal warnings from the CPU (yellow temp range) when ambient room temps are ~74`f This is passively cooled so I added a small laptop fan to the lower side of the CPU heatsink to assist in cooling. Also replaced the almost non-existant thermal compound. Also just because I can and had them, I threw a memory chip style heat sink on the intel controller chip. So once I put it back together I'll see if any of this made a difference on temps. 55-60`c while watching last night.
