Re: Re: Laptop and sound card for ubuntu studio

[aj]

Thanks All! This thread has just the kind of info I need and will help me make a short list.I plan to use Pure Data to do effects on my guitar (in particular a kind of live granulation patch I'm quite pleased with) which is why low latency would be good. At some stage I'll be recording that using about 4 tracks simultaneously so the lappy will need some power (plus in Windows I need to do some heavy lifting for work). I've got a Zalman laptop cooler which I'd recommend if anyone has overheating problems. Keeps it quieter as well. Cheers!
On Sep 1, 2009, Kiernan Holland  wrote:

My Dell Dimension 9150 has APIC, but only 23 interrupts.. I suppose with the 750i there will be more since it is quality hardware, but someone I talked to was unsure whether it would have good linux support.  Anyhow.. It seems to be that the best choice is not to get the Core 2 Duo's but the i7, as it supports hyper-threading, evidently according to the wikipedia article on the i7, the Core Duo doesn't support hyper-threading.. Maybe that's just the core duo and not the core 2 duo, nope the core 2 duo doesn't, says it is a descendent of the Pentium 3 architecture. The Pentium Extreme is the one I'm building, is overclockable to 4.2 Ghz.  Also said the Pentium Extreme has 31 stages in it's execution pipeline, but that the branch prediction penalty is greater with this many stages, but that the internal ALU's run twice as fast as the clock cycle to make up for it. All I know, from my discussions with my brother who's done work in things like fault tollerant systems, you need a high degree of branch prediction for linux because of the greater amount of indirection. I also read that part of the problem with the netburst is that it makes other operations go slower, and references to bit-shifting operations were given. If it has hardwired floating and integer operations, I don't know how much better it would be to have bit shifting operations since they are only going to improve multiplications and divisions by multiples of 2. I think a shared cache would be better than a divided cache, but it's a cheap chip, cost me 99 dollars at tiger direct. A Core 2 Duo would probably run me more and i7's that compare to the Pentium Extreme in having hyper threading, go from 200 to 1000 dollars. I'd rather get the best of the last line, than wait for the best of the next.  On Tue, Sep 1, 2009 at 3:45 PM, Kiernan Holland  wrote:




 I would not compare this interrupts file with a more modern machine.  A lot has changed in the years since the P4, and for the better.  Netburst is dead, hurray.  The PIC has been replaced by the APIC.  If you care look them up in wikipedia, the point is that a modern machine will not look like the above, and this is not only to be expected, but is a good thing. 




 

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Re: Laptop and sound card for ubuntu studio

[Kiernan Holland]

My Dell Dimension 9150 has APIC, but only 23 interrupts.. I suppose with the
750i there will be more since it is quality hardware, but someone I talked
to was unsure whether it would have good linux support.  Anyhow.. It seems
to be that the best choice is not to get the Core 2 Duo's but the i7, as it
supports hyper-threading, evidently according to the wikipedia article on
the i7, the Core Duo doesn't support hyper-threading.. Maybe that's just the
core duo and not the core 2 duo, nope the core 2 duo doesn't, says it is a
descendent of the Pentium 3 architecture. The Pentium Extreme is the one I'm
building, is overclockable to 4.2 Ghz.  Also said the Pentium Extreme has 31
stages in it's execution pipeline, but that the branch prediction penalty is
greater with this many stages, but that the internal ALU's run twice as fast
as the clock cycle to make up for it. All I know, from my discussions with
my brother who's done work in things like fault tollerant systems, you need
a high degree of branch prediction for linux because of the greater amount
of indirection. I also read that part of the problem with the netburst is
that it makes other operations go slower, and references to bit-shifting
operations were given. If it has hardwired floating and integer operations,
I don't know how much better it would be to have bit shifting operations
since they are only going to improve multiplications and divisions by
multiples of 2. I think a shared cache would be better than a divided cache,
but it's a cheap chip, cost me 99 dollars at tiger direct. A Core 2 Duo
would probably run me more and i7's that compare to the Pentium Extreme in
having hyper threading, go from 200 to 1000 dollars. I'd rather get the best
of the last line, than wait for the best of the next.



On Tue, Sep 1, 2009 at 3:45 PM, Kiernan Holland  wrote:

>
>
>> I would not compare this interrupts file with a more modern machine.  A
>> lot has changed in the years since the P4, and for the better.  Netburst
>> is dead, hurray.  The PIC has been replaced by the APIC.  If you care
>> look them up in wikipedia, the point is that a modern machine will not
>> look like the above, and this is not only to be expected, but is a good
>> thing.
>>
>>
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Re: Laptop and sound card for ubuntu studio

[Kiernan Holland]

>
> I would not compare this interrupts file with a more modern machine.  A
> lot has changed in the years since the P4, and for the better.  Netburst
> is dead, hurray.  The PIC has been replaced by the APIC.  If you care
> look them up in wikipedia, the point is that a modern machine will not
> look like the above, and this is not only to be expected, but is a good
> thing.
>
>
So PIC is not suitable for Ubuntu Studio.. I read in the wikipedia that it
is not suitable for pre-emptive multitasking, wow it took them this long to
get something the Amiga's had back in the 80s (??).  APIC seems to be the
better choice. It says it supports more hardware interrupts and more
scheduling policies.

I wonder if my Dimension 9150 has APIC.. I guess it should it has a dual
core processor on it..
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Re: Laptop and sound card for ubuntu studio

[Gustin Johnson]

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Kiernan Holland wrote:
> Look.. I was just pointing out an option, I only paid 219 dollars for
>  this, and sound doesn't really require a whole lot of CPU time
> anyhow. MIDI was developed in 1983.. You could do midi sequencing
> with a commodore 64. The only major difference is the handling of
> digital audio and software synths.  BTW, this laptop does fine for
> what it has. I guess I could splurge 1200 for a laptop that will be
> 300 dollars in 4 years, and I'd have some knowitall telling me that
> it's not modern enough. Remember, you are talking to a linux crowd,
> not the Mac *cough*Snob*cough* Crowd.

Don't take it so personally.  All I meant to say was that your
/proc/interrupts file is not representative of current hardware and that
the OP should not at all be concerned that any laptop he tests will look
differently.  My Lenovo from 2005 is hardly modern, but the
/proc/interrupts file looks different because it is one generation newer
than yours.
> 
> BTW, I have paid thousands of dollars for machines in the past. 2800
> for a Commodore Amiga 3000 .. And about 3000 for a Dell Dimension
> b800r (I think that's the model number), Maximum PC gave it a 10 in
> 1999..  BTW, I still have both.  I'm currently building a Nvidia 750i
> with a Pentium D 3.73Ghz (overclockable to 4.2 Ghz). With the fastest
> ram I can get and such.. The cost is going to be about 500 dollars,
> and the first time I've built a PC by myself. That will be my Ubuntu
> Studio sound machine. But laptops are costly, if all you want to do
> is experiment with sound, a T30 is adequate.
> 
It depends on what you want to do.  As long as one knows the limitations
of the hardware, you could use a 486.  He could buy a really old
computer, but he should not expect to be running a number of effects and
soft synths at the same time.


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Re: Laptop and sound card for ubuntu studio

[Kiernan Holland]

Jim Morrison is a trip..

http://www.chann3lz.com/?code=hEy7VvYM-yU
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Re: Laptop and sound card for ubuntu studio

[Kiernan Holland]

>
> I am a very happy Dell Latitude e6400 and Lenovo X41 (Tablet) owner. In
> both cases I used after market RAM and hard drives (4 GiB in the Dell, 2
> GiB in the Lenovo, you can never have enough RAM IMO).  I also used 7200
> RPM hard drives.  I really like the eSATA port on the Dell.  If only I
> had waited for the self powered eSATA spec...


You can get a PNY SATA PCMCIA card for something like 13 dollars at a best
buy..
I backup my laptops to my half terrabyte seagate with that.

Oh BTW, go check out Dell Financial services, they sell Dell equipment off
lease for less. 280 dollars for Dimension 9150 with 3Ghz Pentium D
processor. I've got a 9150, and it's fairly nice. It's what I used when
screencasting videogames and tutorials for youtube.
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Re: Laptop and sound card for ubuntu studio

[Kiernan Holland]

Look.. I was just pointing out an option, I only paid 219 dollars for this,
and sound doesn't really require a whole lot of CPU time anyhow. MIDI was
developed in 1983.. You could do midi sequencing with a commodore 64. The
only major difference is the handling of digital audio and software synths.
BTW, this laptop does fine for what it has. I guess I could splurge 1200 for
a laptop that will be 300 dollars in 4 years, and I'd have some knowitall
telling me that it's not modern enough. Remember, you are talking to a linux
crowd, not the Mac *cough*Snob*cough* Crowd.

BTW, I have paid thousands of dollars for machines in the past. 2800 for a
Commodore Amiga 3000 .. And about 3000 for a Dell Dimension b800r (I think
that's the model number), Maximum PC gave it a 10 in 1999..  BTW, I still
have both.  I'm currently building a Nvidia 750i with a Pentium D 3.73Ghz
(overclockable to 4.2 Ghz). With the fastest ram I can get and such.. The
cost is going to be about 500 dollars, and the first time I've built a PC by
myself. That will be my Ubuntu Studio sound machine.  But laptops are
costly, if all you want to do is experiment with sound, a T30 is adequate.





> The rest of the advice is sound, boot one of these machines with a
> Ubuntu Live CD or bootable USB stick.  Check to make sure your GPU, and
> wifi are supported out of the box.
>
> You could always buy from system76 or one of the other Linux vendors.
> At least you the routine stuff will work.
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Re: Laptop and sound card for ubuntu studio

[Asmo Koskinen]

Gustin Johnson kirjoitti:

> Kiernan Holland wrote:
>> BTW this is my /proc/interrupts on my T30:
>>
>>CPU0  
>>   0:   25951692XT-PIC-XTtimer
>>   1:  27903XT-PIC-XTi8042
>>   2:  0XT-PIC-XTcascade
>>   3:  4XT-PIC-XT 
>>   4: 10XT-PIC-XT 
>>   5:  3XT-PIC-XT 
>>   6:  5XT-PIC-XTfloppy
>>   7:  0XT-PIC-XTparport0
>>   8:  0XT-PIC-XTrtc0
>>   9:  25588XT-PIC-XTacpi
>>  10:  3XT-PIC-XT 
>>  11:2497518XT-PIC-XTuhci_hcd:usb1, uhci_hcd:usb2,
>> uhci_hcd:usb3, yenta, yenta, Intel 82801CA-ICH3, ohci_hcd:usb4,
>> ohci_hcd:usb5, ehci_hcd:usb6, rad...@pci::01:00.0, eth0
>>  12:   4317XT-PIC-XTi8042
>>  14: 128633XT-PIC-XTata_piix
>>  15: 176986XT-PIC-XTata_piix

> Btw, a modern machine will look more like this:
>  cat /proc/interrupts
> CPU0   CPU1
>0:35561843574975   IO-APIC-edge  timer
>1:  10144   9053   IO-APIC-edge  i8042
>3:  1  1   IO-APIC-edge
>8:  1  0   IO-APIC-edge  rtc0
>9:   7046   7032   IO-APIC-fasteoi   acpi
>   12:  51892  48765   IO-APIC-edge  i8042
>   17:  2  1   IO-APIC-fasteoi   ohci1394
>   18:  0  0   IO-APIC-fasteoi   mmc0
>   20:  0  0   IO-APIC-fasteoi   uhci_hcd:usb1,
>   21:369274   IO-APIC-fasteoi   uhci_hcd:usb3,
>   22: 29 30   IO-APIC-fasteoi   ehci_hcd:usb2,
>   28:   2839   2733   PCI-MSI-edge  eth0
>   29:  64357  62249   PCI-MSI-edge  ahci
>   30: 296809 234756   PCI-MSI-edge  iwlagn
>   31:  39859  39865   PCI-MSI-edge  i...@pci::00:02.0
>  NMI:  0  0   Non-maskable interrupts
>  LOC:39380213315876   Local timer interrupts
>  SPU:  0  0   Spurious interrupts
>  CNT:  0  0   Performance counter interrupts
>  PND:  0  0   Performance pending work
>  RES: 7140441143357   Rescheduling interrupts
>  CAL:   2669   2718   Function call interrupts
>  TLB:   2187   2389   TLB shootdowns
>  TRM:  0  0   Thermal event interrupts
>  THR:  0  0   Threshold APIC interrupts
>  MCE:  0  0   Machine check exceptions
>  MCP: 38 38   Machine check polls
>  ERR:  0

Acer TM 6592 (2.6.29.5-rt22)
stu...@ubuntu-studio:~$ cat /proc/interrupts
 CPU0   CPU1
0:  35742  35587   IO-APIC-edge  timer
1: 16 12   IO-APIC-edge  i8042
4:  1  0   IO-APIC-edge
8:  0  1   IO-APIC-edge  rtc0
9: 71 70   IO-APIC-fasteoi   acpi
   12:  13933  13867   IO-APIC-edge  i8042
   14:628640   IO-APIC-edge  ata_piix
   15:  0  0   IO-APIC-edge  ata_piix
   16:  0  0   IO-APIC-fasteoi   uhci_hcd:usb3
   18: 69100   IO-APIC-fasteoi   ehci_hcd:usb1, 
uhci_hcd:usb7
   19:   4422   4541   IO-APIC-fasteoi   ata_piix, uhci_hcd:usb6
   20:  5  4   IO-APIC-fasteoi   ohci1394, yenta, mmc0
   21:  4  3   IO-APIC-fasteoi   uhci_hcd:usb4, yenta
   22:571592   IO-APIC-fasteoi   ohci1394, HDA Intel
   23:  2  3   IO-APIC-fasteoi   ehci_hcd:usb2, 
uhci_hcd:usb5
   29: 40 36   PCI-MSI-edge  eth0
   30:   1026   1024   PCI-MSI-edge  iwlagn
  NMI:  0  0   Non-maskable interrupts
  LOC:  39722  44369   Local timer interrupts
  SPU:  0  0   Spurious interrupts
CNT:  0  0   Performance counter interrupts
  RES:  14785  12345   Rescheduling interrupts
  CAL:101 38   Function call interrupts
  TLB: 76 34   TLB shootdowns
  ERR:  0
  MIS:  0

ps. I'm fan of firewire (http://www.ffado.org/?q=node/69)...

Best Regards Asmo Koskinen.

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Re: Laptop and sound card for ubuntu studio

[Gustin Johnson]

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Kiernan Holland wrote:
> BTW this is my /proc/interrupts on my T30:
> 
>CPU0  
>   0:   25951692XT-PIC-XTtimer
>   1:  27903XT-PIC-XTi8042
>   2:  0XT-PIC-XTcascade
>   3:  4XT-PIC-XT 
>   4: 10XT-PIC-XT 
>   5:  3XT-PIC-XT 
>   6:  5XT-PIC-XTfloppy
>   7:  0XT-PIC-XTparport0
>   8:  0XT-PIC-XTrtc0
>   9:  25588XT-PIC-XTacpi
>  10:  3XT-PIC-XT 
>  11:2497518XT-PIC-XTuhci_hcd:usb1, uhci_hcd:usb2,
> uhci_hcd:usb3, yenta, yenta, Intel 82801CA-ICH3, ohci_hcd:usb4,
> ohci_hcd:usb5, ehci_hcd:usb6, rad...@pci::01:00.0, eth0
>  12:   4317XT-PIC-XTi8042
>  14: 128633XT-PIC-XTata_piix
>  15: 176986XT-PIC-XTata_piix
> 
> 
> Now you can see why USB sound cards don't work with jack on this laptop
> ..  But the onboard sound card works well with Jack.
> 
11 Mbit is simply not enough bandwidth, USB 1 is not good enough, period.

I would not compare this interrupts file with a more modern machine.  A
lot has changed in the years since the P4, and for the better.  Netburst
is dead, hurray.  The PIC has been replaced by the APIC.  If you care
look them up in wikipedia, the point is that a modern machine will not
look like the above, and this is not only to be expected, but is a good
thing.

Btw, a modern machine will look more like this:

 cat /proc/interrupts
CPU0   CPU1
   0:35561843574975   IO-APIC-edge  timer
   1:  10144   9053   IO-APIC-edge  i8042
   3:  1  1   IO-APIC-edge
   8:  1  0   IO-APIC-edge  rtc0
   9:   7046   7032   IO-APIC-fasteoi   acpi
  12:  51892  48765   IO-APIC-edge  i8042
  17:  2  1   IO-APIC-fasteoi   ohci1394
  18:  0  0   IO-APIC-fasteoi   mmc0
  20:  0  0   IO-APIC-fasteoi   uhci_hcd:usb1,
  21:369274   IO-APIC-fasteoi   uhci_hcd:usb3,
  22: 29 30   IO-APIC-fasteoi   ehci_hcd:usb2,
  28:   2839   2733   PCI-MSI-edge  eth0
  29:  64357  62249   PCI-MSI-edge  ahci
  30: 296809 234756   PCI-MSI-edge  iwlagn
  31:  39859  39865   PCI-MSI-edge  i...@pci::00:02.0
 NMI:  0  0   Non-maskable interrupts
 LOC:39380213315876   Local timer interrupts
 SPU:  0  0   Spurious interrupts
 CNT:  0  0   Performance counter interrupts
 PND:  0  0   Performance pending work
 RES: 7140441143357   Rescheduling interrupts
 CAL:   2669   2718   Function call interrupts
 TLB:   2187   2389   TLB shootdowns
 TRM:  0  0   Thermal event interrupts
 THR:  0  0   Threshold APIC interrupts
 MCE:  0  0   Machine check exceptions
 MCP: 38 38   Machine check polls
 ERR:  0

The rest of the advice is sound, boot one of these machines with a
Ubuntu Live CD or bootable USB stick.  Check to make sure your GPU, and
wifi are supported out of the box.

You could always buy from system76 or one of the other Linux vendors.
At least you the routine stuff will work.
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Re: Laptop and sound card for ubuntu studio

[Gustin Johnson]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Kiernan Holland wrote:
> 
> 
> On Mon, Aug 31, 2009 at 12:35 PM,  > wrote:
> 
> Hi All,
> 
> Thanks for all the tips I've picked up from this list over the last few
> months. Now I have the usual questions about good hardware to run
> Ubuntu
> Studio. Looks like I'll have to buy a new laptop in the next month so
> are there any makes/models/chipsets to avoid? I was thinking of an ASUS
> or a Lenovo but please let me know what you've had good experiences
> with.
> 
> 
> You might want to get in the showroom and pop in a ubuntu cd. Then go to
> a terminal and type "cat /proc/interrupts" to see if there is a unique
> IRQ for each USB port.
> 
> My best experiences are with IBM (not lenovo, so old thinkpads may be
> suitable for Ubuntu Studio stuff, most of my demos on youtube are done
> with my 2Ghz P4 T30). I can't use the T30 with USB sound cards because
> it came with only USB 1.0 connectors and the PCMCIA port only has one
> IRQ (for many USB 2.0 devices I'm connecting to it).
>  
I still absolutely love my X41 Tablet.  There is something about the
Thinkpads, even the Lenovo ones that is hard to explain.  They just fell
good.  The only problem is that this machine simply does not have the
horsepower that I like.  A single core Pentium M running at 1.5 Ghz just
is not good enough for me now that I have been spoiled by the Intel T9550.

> I only have good experiences with Dell Desktops, I have heard good
> things about their laptops.. Any manufacturer you go with will make

My GF has an Inspiron and I have a Latitude.  There is a world of
difference between these two lines.  The Latitudes are "Business class"
which means they cost more.  I am a big fan of them, and even with the
markup they are far better bang for the buck than Apple.

> proprietary stuff for their laptops, but the only necessary upgrade is
> memory and pcmcia card slots. If you get a laptop that doesn't have
> PCMCIA card slots, make sure it has everything that you'd normally use a
> card for like SATA, USB 2.0 slots, Firewire, Ethernet, Wifi-G..
> (netbooks are an exception). 
> 
Unless you are slavishly devoted to firewire, I would not bother.  If it
had been an option I would have removed firewire.

I forgot to mention, I would stay away from GPUs that require
proprietary drivers (eg. fglrx and nvidia drivers).  Basically that
rules out nVidia and older ATI.  The newer ATI HD models (38xx, 48xx,
49xx) are covered by the radeonhd driver, which is included in most
distros these days.  The proprietary ones have traditionally not played
nice with RT kernels.  While you can get them to work most of the time,
I can speak from extensive first hand experience that it is simply not
worth it.  Stick with Intel or the new ATI for GPU.  Forget the rest.

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Re: Laptop and sound card for ubuntu studio

[Gustin Johnson]

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

a...@matthews.net wrote:
> Hi All,
> 
> Thanks for all the tips I've picked up from this list over the last few
> months. Now I have the usual questions about good hardware to run Ubuntu
> Studio. Looks like I'll have to buy a new laptop in the next month so
> are there any makes/models/chipsets to avoid? I was thinking of an ASUS
> or a Lenovo but please let me know what you've had good experiences with.

I am a very happy Dell Latitude e6400 and Lenovo X41 (Tablet) owner. In
both cases I used after market RAM and hard drives (4 GiB in the Dell, 2
GiB in the Lenovo, you can never have enough RAM IMO).  I also used 7200
RPM hard drives.  I really like the eSATA port on the Dell.  If only I
had waited for the self powered eSATA spec...

For the laptop I have a generic USB audio device that is cleaner than
the onboard audio that I use with the laptops.  I have messed around
(briefly) with an M-Audio and an Edirol 25ex.  Both seemed to work, but
YMMV.  Do your research before buying, make sure it works (or that you
can make it work).

For the actual recording part, I still use an RME 9652 + RME ADI-8 DS +
Alesis XT + a regular PC so someone else will have to provide some
guidance on the audio interface.  The laptop is the wrong tool for the
job IMO.  Just my opinion, please make up your own mind.
> 
> Currently I have a Emu 1616m PC Card sound card but that might have to
> be replaced because a lot of new laptops don't have the right slot. Also
> I can't get MIDI to work. Do you find USB or Firewire interfaces give
> lower latency? Would it be a good idea to use FFADO and pick a card

I hate firewire for so many reasons, so I avoid it.  My personal
favourite is still the PCI/PCIe solution.  Even under Windows I have
never been a fan of firewire.  Since that is not always an option, USB
is acceptable to me.  Again, YMMV.

For midi I primarily use the midi interface in the 9652.  On my laptop I
will use either the M-Audio Axiom built in USB-Midi ports or I will use
the midiman 1x1 or 2x2 (I have both).

> that's fully supported? Again hardware that you've had good luck with
> and not over about $300 or so would be really great to hear about as
> would any gotchas.
> 
You forgot to ask about world peace :)  In all seriousness I think the
Edirol UA-25EX works (at least that is the impression I get from google)
and is likely what I would pick up for my laptop if I ever felt the
need.  I am sure there are more dedicated laptop people here who can
help better than I can here.

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Re: Laptop and sound card for ubuntu studio

[Kiernan Holland]

On Tue, Sep 1, 2009 at 12:15 AM, Kiernan Holland wrote:

> BTW this is my /proc/interrupts on my T30:
> \
>  11:2497518XT-PIC-XTuhci_hcd:usb1, uhci_hcd:usb2,
> uhci_hcd:usb3, yenta, yenta, Intel 82801CA-ICH3, ohci_hcd:usb4,
> ohci_hcd:usb5, ehci_hcd:usb6, rad...@pci::01:00.0, eth0
>  12:   4317XT-PIC-XTi8042
>  14: 128633XT-PIC-XTata_piix
>  15: 176986XT-PIC-XTata_piix
>
>
> Now you can see why USB sound cards don't work with jack on this laptop ..
> But the onboard sound card works well with Jack.
>
>
>
Ummm ohh.. The onboard sound is in that list on the 11th interrupt.. Oops..
Looks like I need to disconnect everything to get flawless audio.. Turn off
the wifi and USB drives.. Argh!



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Re: Laptop and sound card for ubuntu studio

[Kiernan Holland]

BTW this is my /proc/interrupts on my T30:

   CPU0
  0:   25951692XT-PIC-XTtimer
  1:  27903XT-PIC-XTi8042
  2:  0XT-PIC-XTcascade
  3:  4XT-PIC-XT
  4: 10XT-PIC-XT
  5:  3XT-PIC-XT
  6:  5XT-PIC-XTfloppy
  7:  0XT-PIC-XTparport0
  8:  0XT-PIC-XTrtc0
  9:  25588XT-PIC-XTacpi
 10:  3XT-PIC-XT
 11:2497518XT-PIC-XTuhci_hcd:usb1, uhci_hcd:usb2,
uhci_hcd:usb3, yenta, yenta, Intel 82801CA-ICH3, ohci_hcd:usb4,
ohci_hcd:usb5, ehci_hcd:usb6, rad...@pci::01:00.0, eth0
 12:   4317XT-PIC-XTi8042
 14: 128633XT-PIC-XTata_piix
 15: 176986XT-PIC-XTata_piix


Now you can see why USB sound cards don't work with jack on this laptop ..
But the onboard sound card works well with Jack.
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Re: Laptop and sound card for ubuntu studio

[Kiernan Holland]

On Mon, Aug 31, 2009 at 12:35 PM,  wrote:

> Hi All,
>
> Thanks for all the tips I've picked up from this list over the last few
> months. Now I have the usual questions about good hardware to run Ubuntu
> Studio. Looks like I'll have to buy a new laptop in the next month so
> are there any makes/models/chipsets to avoid? I was thinking of an ASUS
> or a Lenovo but please let me know what you've had good experiences with.
>
>
You might want to get in the showroom and pop in a ubuntu cd. Then go to a
terminal and type "cat /proc/interrupts" to see if there is a unique IRQ for
each USB port.

My best experiences are with IBM (not lenovo, so old thinkpads may be
suitable for Ubuntu Studio stuff, most of my demos on youtube are done with
my 2Ghz P4 T30). I can't use the T30 with USB sound cards because it came
with only USB 1.0 connectors and the PCMCIA port only has one IRQ (for many
USB 2.0 devices I'm connecting to it).

I only have good experiences with Dell Desktops, I have heard good things
about their laptops.. Any manufacturer you go with will make proprietary
stuff for their laptops, but the only necessary upgrade is memory and pcmcia
card slots. If you get a laptop that doesn't have PCMCIA card slots, make
sure it has everything that you'd normally use a card for like SATA, USB 2.0
slots, Firewire, Ethernet, Wifi-G.. (netbooks are an exception).

Also get a laptop with a good fan, overheating will kill a laptop. It may be
called a laptop, but it's not safe for the laptop to be on your lap, get a
cooling fan for the bottom.  Also be sure that the laptop is easy to
control, put your hands on it, try to type something, move the mouse.. If
you plan to use it on an airplane, get a netbook or something that size. The
Acer Aspire One's will do okay with Rosegarden and Fluidsynth.. I've demo'd
to someone Rosegarden controlling Fluidsynth and playing through a reverb on
Jack Rack with a Acer Aspire One (though that is pushing it's capabilities a
bit). If you are going on camping trips, for instance, the AAO would be
perfect, cause it uses on average about 15 watts, it's power supply can
handle up to 30 watts, though I've read reviews that pushed it to 22 watts
with everything on and a heavy workload.
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Re: Laptop and sound card for ubuntu studio

[sh0099]

firewire for a soundcard is not bad (or even good) when:
fw-shipset is right (texas instruments for example)
and no irq sharing between fw-shipset and for example graphiccard
i had problems with both at my old dell d600 ... so i only got a stable 
jack-latency at 128 *3 samples, i never got lower with my usb card 
(m-audio duo).



a...@matthews.net schrieb:
> Hi All,
>
> Thanks for all the tips I've picked up from this list over the last few
> months. Now I have the usual questions about good hardware to run Ubuntu
> Studio. Looks like I'll have to buy a new laptop in the next month so
> are there any makes/models/chipsets to avoid? I was thinking of an ASUS
> or a Lenovo but please let me know what you've had good experiences with.
>
> Currently I have a Emu 1616m PC Card sound card but that might have to
> be replaced because a lot of new laptops don't have the right slot. Also
> I can't get MIDI to work. Do you find USB or Firewire interfaces give
> lower latency? Would it be a good idea to use FFADO and pick a card
> that's fully supported? Again hardware that you've had good luck with
> and not over about $300 or so would be really great to hear about as
> would any gotchas.
>
> Cheers!
>
> AJ
>
>
>   


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Laptop and sound card for ubuntu studio

[aj]

Hi All,Thanks for all the tips I've picked up from this list over the last few months. Now I have the usual questions about good hardware to run Ubuntu Studio. Looks like I'll have to buy a new laptop in the next month so are there any makes/models/chipsets to avoid? I was thinking of an ASUS or a Lenovo but please let me know what you've had good experiences with.Currently I have a Emu 1616m PC Card sound card but that might have to be replaced because a lot of new laptops don't have the right slot. Also I can't get MIDI to work. Do you find USB or Firewire interfaces give lower latency? Would it be a good idea to use FFADO and pick a card that's fully supported? Again hardware that you've had good luck with and not over about $300 or so would be really great to hear about as would any gotchas.Cheers!AJ 

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