linuxaudio.org

2012/11/18 Folderol :

quoted text
> Someone asked about A series AMD machines a while ago. I kept quiet because I

> was in the process of getting one. Here is the spec:

>

> MBO     ASUS® F2A55-M LE

> CPU     AMD A8-5600K Quad Core APU (3.6GHz) & Radeon™ HD 7560D Graphics

> MEM     4GB SAMSUNG DUAL-DDR3 1333MHz

> SDA     120GB INTEL® 330 SERIES SSD, SATA 6 Gb/s        '/' & /home'

> SDB     180GB INTEL® 330 SERIES SSD, SATA 6 Gb/s        '/audio' & '/source'

>

> I've now spent a few days getting it exactly as I want it. I made very few BIOS

> changes. I disabled serial and parallel ports (the machine doesn't have them

> anyway) and set the CPU to 'performance'. Initially I disabled the on-board

> sound as I'm using my trusty 2496. But I got occasional boot oddities so

> re-enabled it.

>

> I installed a minimal debian-squeeze without any problems at all, then just

> added the software I wanted. This was a bit harder than I expected as my notes

> from last time were not complete, and going from Linux 2.6 to 3.1 meant there

> were subtle differences, especially with stuff I had to compile.

>

> The machine is very, very responsive and almost completely silent. The PSU has

> a slow running 120mm fan and the cooler on the CPU looks like something from a

> space lab!

>

> With the stock 3.1 kernel I'm running at a latency of 5.8mS with no x-runs even

> when going full steam on Rosegarden (with audio tracks) and Yoshimi. Sequencer

> + synth playing of complex material that used to peak at around 70% total

> processor, now peaks at around 20%!

>

> I did try the 3.2 kernel, both stock and RT but both of these actually

> performed far worse, and I had to run with a latency of 23.2mS to get clear of

> x-runs.

>

> My old computer has been re-purposed as a (rather fast) office machine, so that

> involved a lot of file swapping and checking that nothing was missed.

>

>

> Now, I suppose I'd better get on and compose some music :)

Really cool, AMD does wonders but I must say that ATI Radeon sucks here...

It works, but everytime I do an upgrade I start to sweat, quite often

the card "dies" and I have to login from another machine with ssh,

kill X, unload and reload the kernel module.
Wish you good luck :-)
-r
PS: for the sake of knowledge, debian wheezy here
--

L'unica speranza di catarsi, ammesso che ne esista una, resta affidata

all'istinto di ribellione, alla rivolta non isterilita in progetti,

alla protesta violenta e viscerale. (V. Evangelisti)

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