RE: Does FreeBSD 4.11-STABLE support the 8237R?
- From: Danial Thom <danial_thom@xxxxxxxxx>
- Date: Sat, 3 Jun 2006 09:09:27 -0700 (PDT)
--- Mark <admin@xxxxxxxxxxxxxxxx> wrote:
-----Original Message-----On Behalf Of Danial Thom
From: owner-freebsd-questions@xxxxxxxxxxx
[mailto:owner-freebsd-questions@xxxxxxxxxxx]
Sent: vrijdag 2 juni 2006 18:28Questions'
To: Scott Hiemstra; 'FreeBSD-Questions
Subject: RE: Does FreeBSD 4.11-STABLE supportthe 8237R?
That MB is only suitable for
--- Scott Hiemstra <shiemstra@xxxxxx> wrote:
Did you say you are running a server?
ethernet controller known to mandesktop use, as it has the slowest
server is like puttingon a 32/33Mhz bus. Running this MB as a
maximum performance butcheap, skinny tires on your porsche.
DT
Personaly, I appreciate your dedication to
to swapping a MB for anotherplease notice this thread is in reference
appreciated.MB and coments like yours are not
running 4.11 (FreeBSD
Would you prefer if I had stated?
"I have the same board in a crappy server
doing nor did I ask for4.11-STABLE #0) and no problems to report."
Please notice I never said what the box was
systems. This SERVER is pur-your opinion of what MB/NIC I use in my
volume outbound mail serverpose built and runs stable 24/7 as a low
primary concern. Please keepso the performance of the NIC is not my
do nothing but waste diskyour useless comments to yourself as they
people who attempt to helpspace, CPU time and the valuable time of
motherboard as a server itsothers on this list.
Scott
So if someone is planning on using a crappy
not appropriate to mention that thereplacement is not suitable for the
task? So since you're replacing the MB, whynot take the opportunity to
use something suitable.
Because it means introducing a whole slew of
new, unknown variables. :)
When I first installed 4.10R, it did not even
support the 8237; and disk
performance on that board was limited to a
terribly slow Multi-World DMA 2
mode (I think it was that; very slow, at
least). So, imagine my delight
when 4.11-STABLE supported the 8237 at last.
Buying a newer type
motherboard for 4.11-STABLE (where would you
find one for socket 754, so
soon replaced by socket 939, anyway?) would
likely mean an unsupported
south-bridge chip, and being back to square
one. Nope. I'm gonna stick
with what works for 4.11-STABLE (as that is
still my preferred FreeBSD
version; and if I cannot find a new motherboard
after the new one dies, I
will just continue to run the whole thing in a
Vmware box).
As for the LAN, since I only have a 100 Mb
network, I see no reason to
assume even a less than ideal performing
gigabit LAN would slow things
down (unless its performance dropped below 10%;
and I'm sure it's not that
bad).
In fact, not to be unnecessarily contrary, but
I would ere say this
motherboard is totally unsuited for desktop use
(I have a shiny P5WD2
Premium for that), and that this board is
rather ideally suited for a
FreeBSD 4.11 system.
Well that's just stupid, but you're entitled to
waste your money in any way you choose. We run
FreeBSD 4.9 and I've never had a problem with
hardware. Of course I know how to choose hardware
and you don't :)
I never said "desktop". The MB isn't really
suitable for anything that uses a LAN
extensively.
Knowing ASUS (whose MBs I'd never use, btw), I'd
guess that the ethernet controller on the P4WD2
is connected to a 1x PCIe which would be a joke.
What you don't "get":
- The slower the bus, the more CPU cycles it
takes to do an I/O. Typically you are doing 1000s
and 1000s of I/Os per second. Thats 100s of 1000s
of cpu cycles wasted per second.
- inefficient controller = more CPU cyles per
access. Maybe MANY more. This translates to
degradation of your CPU. The more traffic, the
more degradation. Whether you're on a gig network
or a 100Mb/s network, the efficiency of the
controller will still eat up your cpu. Of course
if you're just doing IM or email, then you don't
get enough iterations per second to make a
difference. But on a server,or gaming machine or
anything on a broadband connection, you're just
killing your cpu using a crappy controller.
You'd be better off putting up an old 845 chipset
MB with an fxp controller running a 2.6Ghz
celeron than what you're running, for a lot less
money.
DT
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