Jeremy wrote:
>
>
> On Thu, Jun 17, 2010 at 2:25 AM, Ralf Mardorf
> <ralf.mardorf@email-addr-hidden-dsl.net <mailto:ralf.mardorf@email-addr-hidden-dsl.net>> wrote:
>
> Jeremy wrote:
>
> Is there a fundamental restriction on doing so, or is my
> problem in software?
>
> Jeremy
>
>
> Hardware ;)!
>
> We should start a black- and whitelist for hardware used for Linux
> real-time. Unfortunately I could add my two machines to the
> blacklist :(.
>
>
>
> Which hardware is "bad"? The cpu? The video chip? The motherboard?
>
> Jeremy
Dunno. I could post $ hwinfo > hwinfo.txt for a combination of hardware
that will cause MIDI jitter when controlling external MIDI equipment.
My mobo is a M2A-VM HDMI with an onboard graphics 'ATI Radeon
X1250-based'. Currently I'm using this mobo with a 'NVIDIA GeForce 7200
GS'. Jitter and jitter free moments did shift a little bit when changing
the graphics. I guess it's minimal better when using the integrated
graphics, but the NVIDIA, anyway, I prefer the NVIDIA, because I'm now
able to do 3D stuff.
My CPU is a
spinymouse-sudo@email-addr-hidden:~$ hwinfo --cpu
01: None 00.0: 10103 CPU
[Created at cpu.304]
Unique ID: rdCR.j8NaKXDZtZ6
Hardware Class: cpu
Arch: X86-64
Vendor: "AuthenticAMD"
Model: 15.107.2 "AMD Athlon(tm) X2 Dual Core Processor BE-2350"
Features:
fpu,vme,de,pse,tsc,msr,pae,mce,cx8,apic,sep,mtrr,pge,mca,cmov,pat,pse36,clflush,mmx,fxsr,sse,sse2,ht,syscall,nx,mmxext,fxsr_opt,rdtscp,lm,3dnowext,3dnow,rep_good,extd_apicid,pni,cx16,lahf_lm,cmp_legacy,svm,extapic,cr8_legacy,3dnowprefetch
Clock: 1000 MHz
BogoMips: 2000.04
Cache: 512 kb
Units/Processor: 2
Config Status: cfg=new, avail=yes, need=no, active=unknown
02: None 01.0: 10103 CPU
[Created at cpu.304]
Unique ID: wkFv.j8NaKXDZtZ6
Hardware Class: cpu
Arch: X86-64
Vendor: "AuthenticAMD"
Model: 15.107.2 "AMD Athlon(tm) X2 Dual Core Processor BE-2350"
Features:
fpu,vme,de,pse,tsc,msr,pae,mce,cx8,apic,sep,mtrr,pge,mca,cmov,pat,pse36,clflush,mmx,fxsr,sse,sse2,ht,syscall,nx,mmxext,fxsr_opt,rdtscp,lm,3dnowext,3dnow,rep_good,extd_apicid,pni,cx16,lahf_lm,cmp_legacy,svm,extapic,cr8_legacy,3dnowprefetch
Clock: 1000 MHz
BogoMips: 2000.04
Cache: 512 kb
Units/Processor: 2
Config Status: cfg=new, avail=yes, need=no, active=unknown
spinymouse-sudo@email-addr-hidden:~$
My other machine currently is dismantled. The mobo is an ASRock K7VT2
and the CPU is an 32-bit 800 MHz AMD Athlon + NVIDIA GeForce Blabla 440.
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Received on Thu Jun 17 12:15:04 2010
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