Re: Machine died

2008-11-21 Thread Gilles
  I am thinking, no BIOS reprogram necessary.  Power Supply is always a
  good guess.  I think it is time for a new system, but don't completely
  give up on the old one.  Build a new machine, and when it is up and
  running, go back and see if the old one can be salvaged and put to good use.

 Bad RAM is always a potential problem too if the pwoer supply isn't it.

I'm still not sure that my power supply is good; but even if it isn't,
since I tried another one with all RAM unplugged, I figure that the MB
should have beeped. No?
If so, RAM can be bad, but the MB is surely bad :-/

Talking about RAM, is it possible to re-use it in a new MB? That is if the
frequency is _lower_ than the one recommended by the MB? Also, I think that
they are ECC.
If not, what make is recommended nowadays?

  Build the new machine using an Intel CPU this time 'round, whether it
  was AMD or Intel before.  Core 2 is your best bet, A Xeon for servers or
  multisocket workstations.  It is too soon to buy Nehalem, if you need to
  buy it today.  If you can wait three months, consider a Core i7.

 I agree entirely.

I didn't think of that. That's a good idea since although with my usage a
Core 2 is more than enough, I assume (?) that the prices might drop when
the new series is available.

[I can use the laptop in the meantime but I'll have to transfer data that
was on a RAID1 disk. Is there anything I should be aware of if I plug this
drive as an external (USB) disk? Do you know the mdadm command to use to
make the RAID partition available (possibly read-only)?]

  Almost any wired network NIC will do.  The onboard ones are probably 
  supported by Linux.

 Yeah usually.  I discovered recently that some (like BNX2 that IBM uses
 a lot) require a firmware file.  How annoying when doing a netinstall.

What do you think of this MB:
http://www.cotubex.be/informatics/info.asp?cat=Motherboardartnr=34821navniv=2

  Get a 80+ PS, meaning a PS that is at least 80% efficient.  If you use
  it in an office building, or business, get one with power factor
  correction.

What is the advantage?
Do you have a specific make in mind?

  For a personal desktop machine, if 3d is necessary, nVidia or AMD/ATI
  both will do.  AMD recently had its fiasco with the midrange chips.  You
  may with to go with the red team (ATI) this time, until nVidia gets its
  act together.

 I am sticking with nvidia until ati gets their driver act together
 (hasn't ever happend yet, but there is always hope it will happen some
 day).  My experience is that ATI makes great video chips and reliable
 boards, and have amazingly bad drivers and support.  I used to use
 nothing else until I got badly burned by that, and won't deal with them
 again until they prove they care about customers.

Also an ASUS card then?
Do I lose something (since I'm currently not a gamer) by taking the
cheapest from those:
  N7200GS
  N8400GS
  N8600GT
  N9600GT
  N9600GTX
[I just might want to try compiz some day...]

Is there a recommended card (from the point-of-view of the debian-packaged
driver support)?

Thanks for the advice,
Gilles


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Re: Machine died

2008-11-21 Thread Lennart Sorensen
On Fri, Nov 21, 2008 at 03:10:23PM +0100, Gilles wrote:
 I'm still not sure that my power supply is good; but even if it isn't,
 since I tried another one with all RAM unplugged, I figure that the MB
 should have beeped. No?
 If so, RAM can be bad, but the MB is surely bad :-/

A board without ram may do nothing at all (not even beep).  Depends on
the design of the board.

 Talking about RAM, is it possible to re-use it in a new MB? That is if the
 frequency is _lower_ than the one recommended by the MB? Also, I think that
 they are ECC.
 If not, what make is recommended nowadays?

Depends on the board.

As for what ram is good for a server, I have no idea, I mainly deal with
desktops.

 I didn't think of that. That's a good idea since although with my usage a
 Core 2 is more than enough, I assume (?) that the prices might drop when
 the new series is available.

Aren't the prices low enough for you already?  For raw processing power,
a Q6600 is quite something for the money (I run my mythtv box with one),
although the Q9xxx series will use less power and run quieter.

 [I can use the laptop in the meantime but I'll have to transfer data that
 was on a RAID1 disk. Is there anything I should be aware of if I plug this
 drive as an external (USB) disk? Do you know the mdadm command to use to
 make the RAID partition available (possibly read-only)?]

Just assemble with mdadm with a missing device, and it should be fine.

 What do you think of this MB:
 http://www.cotubex.be/informatics/info.asp?cat=Motherboardartnr=34821navniv=2

It seems like a nice board.  I use a P5K along with my Q6600.  I think
the P5Q is pretty much just an update from that.  I used a P5Q-Pro for
my father's new machine a couple of month ago, although he runs windows
so I have no idea how linux runs on it.  I would expect no problem with
linux since it is an intel chipset though.  For memory I used:
Crucial Ballistix BL2KIT25664AA80A DDR2-6400 2*2GB.  Fast, and so far
reliable.

 What is the advantage?
 Do you have a specific make in mind?

It is more efficient, so costs less to run in the long term.

I like PC Power  Cooling myself.  The Silencer 610 is what I used for
this last machien I built.  Single 12V rail is so much simpler and more
efficient to work with that most power supplies that use multiple 12V
rails.

 Also an ASUS card then?
 Do I lose something (since I'm currently not a gamer) by taking the
 cheapest from those:
   N7200GS
   N8400GS
   N8600GT
   N9600GT
   N9600GTX
 [I just might want to try compiz some day...]

Well the last card I got was for my father which was a PNY Quadro FX
3700, but that's a special case.

I have an 8600GT in my mythtv box.  I don't like the x500 and lower
since they tend to go for very slow crappy ram, and tend to have VGA
connectors which I will never have a need for again (and DVI to VGA
dongles are easy to get if I did).

XFX, MSI, Asus, etc all make perfectly decent video cards.  The main
difference is that some are overclocked and some have silent or at least
quieter cooling.  Other than that the difference is what software they
include in the box, but unless you like games on windows and they
include one you want, that isn't really anything to care about.  Some
have better warrenty and service.

 Is there a recommended card (from the point-of-view of the debian-packaged
 driver support)?

The 9xxx could still be a problem because they are so new.  8xxx and
lower should not be a problem.  Of course the older the model, the
sooner one could start to have to use a legacy support driver, so
sticking with 8xxx might make sense.  The driver in lenny however will
support the 9600GT, all the 8xxx cards and lower.  9800GX2 and 9800GTX
are also supported, but rather expensive.

There is no such thing as a 9600GTX, so probably not supported. :)

-- 
Len Sorensen


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Re: Machine died

2008-11-21 Thread Mark Allums

Gilles wrote:
I am thinking, no BIOS reprogram necessary.  Power Supply is always a 
good guess.  I think it is time for a new system, but don't completely 
give up on the old one.  Build a new machine, and when it is up and 
running, go back and see if the old one can be salvaged and put to good use.

Bad RAM is always a potential problem too if the pwoer supply isn't it.


I'm still not sure that my power supply is good; but even if it isn't,
since I tried another one with all RAM unplugged, I figure that the MB
should have beeped. No?
If so, RAM can be bad, but the MB is surely bad :-/


Depends.  Most boards beep, but they don't always.



Talking about RAM, is it possible to re-use it in a new MB? That is if the
frequency is _lower_ than the one recommended by the MB? Also, I think that
they are ECC.
If not, what make is recommended nowadays?


Get new RAM.  You want a board with DDR2 or DDR3.  A Core i7 needs DDR3. 
 ECC is needed only for certain applications.  A home user probably 
shouldn't spend the money.  Some boards and chipsets need registered/FB 
memory, but Intel, et al is getting away from this.




Build the new machine using an Intel CPU this time 'round, whether it 
was AMD or Intel before.  Core 2 is your best bet, A Xeon for servers or 
multisocket workstations.  It is too soon to buy Nehalem, if you need to 
buy it today.  If you can wait three months, consider a Core i7.

I agree entirely.


I didn't think of that. That's a good idea since although with my usage a
Core 2 is more than enough, I assume (?) that the prices might drop when
the new series is available.


Prices on Core 2 will drop with i7 (Nehalem) out.  Nehalem will 
completely replace Core 2.  It is probably a good idea to go with a 
GigaByte or MSI board for i7, if you want to be forward-looking.  But I 
would wait 3-4 months if possible for the market to stabilize and the 
worst bugs to be squashed.



  [I can use the laptop in the meantime but I'll have to transfer data 
that

was on a RAID1 disk. Is there anything I should be aware of if I plug this
drive as an external (USB) disk? Do you know the mdadm command to use to
make the RAID partition available (possibly read-only)?]


With RAID 1, just plug the drive into the machine and go.  If not Linux, 
you are probably already ready to go.  With Linux soft RAID, tell md you 
have a degraded RAID/missing drive.




Almost any wired network NIC will do.  The onboard ones are probably 
supported by Linux.

Yeah usually.  I discovered recently that some (like BNX2 that IBM uses
a lot) require a firmware file.  How annoying when doing a netinstall.


What do you think of this MB:
http://www.cotubex.be/informatics/info.asp?cat=Motherboardartnr=34821navniv=2


In general, I see no showstoppers.  It is a P45 board, with is not as 
mature as the P35/38, etc., which I actually regard as a good thing. 
The Core 2 stuff is mature, yet P45 will still get some tweaks and 
updates.  ASUS is pretty good about that.



Get a 80+ PS, meaning a PS that is at least 80% efficient.  If you use 
it in an office building, or business, get one with power factor

correction.


What is the advantage?
Do you have a specific make in mind?


80+ is a certification (new thing) that guarantees that your PS will use 
less power and be more efficient in its design range.  (Don't buy more 
PS than you need.)  80% efficient will use a bit less power and run 
cooler.  There are some PSes that claim 85%-plus efficiency.  Don't 
overpay, though.  You can easily pay more for the 80+ rating than the 
thing will save you in power.  I liked PC Power and Cooling at one time, 
but now, I read reviews and try to get one that is a good buy.  There 
are some websites like hardocp.com that review such things.  Hardocp's 
emphasis is the enthusiast market.  But a good PS is a good PS.





For a personal desktop machine, if 3d is necessary, nVidia or AMD/ATI 
both will do.  AMD recently had its fiasco with the midrange chips.  You 
may with to go with the red team (ATI) this time, until nVidia gets its 
act together.

I am sticking with nvidia until ati gets their driver act together
(hasn't ever happend yet, but there is always hope it will happen some
day).  My experience is that ATI makes great video chips and reliable
boards, and have amazingly bad drivers and support.  I used to use
nothing else until I got badly burned by that, and won't deal with them
again until they prove they care about customers.


Also an ASUS card then?
Do I lose something (since I'm currently not a gamer) by taking the
cheapest from those:
  N7200GS
  N8400GS
  N8600GT
  N9600GT
  N9600GTX
[I just might want to try compiz some day...]


Go with MSI, Gigabyte, BFG, XFX, EVGA, etc.  Asus is too expensive on 
video.  In a mature card, a factory overclock is probably a good idea.


If you want a good price/performance ratio, an 8600GTS, or 9600GT.   For 
a Windows machine, nVidia 260/216 is a nice card.  A little pricey.






Is there