AMD Fusion A8-3850 APU "Llano" On Linux

[Soul_keeper]

I just put together an itx 3850 system


I'll report back later with details when I get an OS installed and what not

[scjet]

I just put together an itx 3850 system


I'll report back later with details when I get an OS installed and what not

Hey, thanks for reply, cool, I'm looking forward to your very-much-appreciated results.

[crispy]

I just put together an itx 3850 system


I'll report back later with details when I get an OS installed and what not

Yes please! What case are you using? Can you also post some results with undervolting and temperatures?

[Soul_keeper]

case is lian li PC-Q11
I'll post pics later, I'm struggling with the software side of things now

Can't figure out which modules are needed to get the sound to work on this thing ?
anyone know ?
an lsmod output from someone with working sound on a llano system would help

running at 1.2v for now (fluctuates 1.16-1.21 on this asus F1A75-I board ...)
lotsa bios settings to tune in

[Soul_keeper]

Ok, I got everything working

First Small pts run comparing it to a bulldozer and my Q9450 system it'll replace

the system idles around 50W compared to my Q9450 at around 100W idle

I have pictures too
this weblink could change later

[duby229]

Wow, that is an incredibly tight fit. Looks like the PSU barely fit. How do temps on the CPU look with that power supply sitting right on top of it?

[Soul_keeper]

appears idle is about 60c and load is about 70c if the sensors output is to be believed

I just thru in a radeon 6670 making the fit even tighter
I had to do this because the asus motherboard had a dvi-d instead of dvi-i or vga

[schmalzler]

Nice Setup, Soul_keeper!

I also built up a system around the Q11 yesterday. But not with the A8-3850 (but nearly) - finances looked better so I took an i7-2600K+Asrwock Z68. Nice little setup! With a Corsair H60 (Mounted on a 140mm Alpenföhn EKL Wing Boost as front Fan), CPU temps never go above 50°C in Turbo! The biggest problem were the stiff water tubes from the H60, but with some light pushing all fit perfecty. I did not take photos. If you are interested, I would go and open the case (8 tiny screws - YEAH!).

The A8-3850 I would have cooled with Scythe Shuriken (not Big Shuriken, that one is too big!). You would need to turn the CPU-Fan around, so it pulls away the hot air from the MoBo/cooler, so the direction of the air flow is the same as the one from the PSU-Fan (sitting directly above the cpu-fan). With opposite directions, both fans fight for the air, which would probably lead to heat problems.

ATM installing Gentoo. 7 minutes 48 seconds for compiling glibc - yeah! An Athlon II X3 435@2,9GHZ needs 21m 15s - impressive speed gain. The X3 with WD Caviar Black, the i7 with WD Caviar Blue.

[Soul_keeper]

More benchmarks comparing to my old system and others

Scythe Shuriken 100mm is the hsf I got
the psu is fanless, silences and efficiency were my main goals with this build
I'm not as concerned with high performance (I guess my tastes are changing)
I had to modify the shuriken because the asus board has the cpu socket very close to the pcie slot. I simply bent the heatpipes leading to the upper heatsink moving it up maybe 20+mm

[Soul_keeper]

now only if I could get the voltage to scale with powernow_k8 and the ondemand governor
voltages aren't shown in dmesg after loading powernow_k8, only the clockspeeds
the clock speeds appear to be changing, but power usage from the wall remains constant ...

any ideas ?