Re: Recommended MP development machines...

2002-07-05 Thread David O'Brien

On Thu, Jul 04, 2002 at 01:34:42PM -0400, Chuck Robey wrote:
  The K7 had a broken on-board usb (the AMD
  chipset had a PCI contention bug for the usb port, so the tin back panel
  of the board blocked out the usb, and the K7 came with a PCI usb card,
  which ate up one of your PCI slots.
 
  Hm.  Do you have any details on this?  I've had occasional strange
  USB-related things happen on this box.  Of course, it runs -current which
  puts me into the USB danger-zone enough as it is.. but what happens when
  this bug is triggered?
...
 http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/24472.pdf

This is good to know.  The above doc is for the AMD-768 Peripheral Bus
Controller.  Luckly the pre-production Thunder K7 mobos had AMD-766's in
them.  I don't know if Tyan switched to the 768 in later production.


http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/23615.pdf
In HTML format:
http://www.google.com/search?q=cache:eipmgE1E_f4C:www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/23615.pdf+amd+766+revision+guidehl=enie=UTF-8

Is the revision guide for the AMD-766 south bridge.
There are 2 USB nits, but nothing serious like for the AMD-768 rev B1.

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Re: Recommended MP development machines...

2002-07-04 Thread Peter Wemm

Chuck Robey wrote:
 On Wed, 3 Jul 2002, David O'Brien wrote:
 
  On Wed, Jul 03, 2002 at 07:43:22PM -0700, George V. Neville-Neil wrote:
 I know everyone says they all work but i'd like some recommendations 
on
   MP machines for -CURRENT work.  I'll be ordering one this week.
 
  There is but _1_ dual system to get -- Tyan Thunder K7 (code name Guinness)
.
  http://www.tyan.com/products/html/thunderk7.html.  It comes in multiple
  flavors, but mine is the dual-channel Ultra160, dual-3com 10/100, 5-64bit
  PCI, 1 AGP version.  You can cheap out and not get the non-SCSI S2462NG
  model.  Match this bad-boy up with a pair of fast Athlon `MP' (not `XP')
  CPU's and it is a totally solid system.  Various FreeBSD committers also
  have this system.
 
  There is a newer [more economic] version called the Thunder K7X.
  http://www.tyan.com/products/html/thunderk7x.html
 
 more economic is a poor way to describe it, seeing as it has all the
 features, plus (1) an updated version of the AMD mp chipset and (2) a
 fixed onboard usb port.  The K7 had a broken on-board usb (the AMD
 chipset had a PCI contention bug for the usb port, so the tin back panel
 of the board blocked out the usb, and the K7 came with a PCI usb card,
 which ate up one of your PCI slots.  The K7X has a repaired on-board usb,
 so you get that PCI slot back.

Hm.  Do you have any details on this?  I've had occasional strange
USB-related things happen on this box.  Of course, it runs -current which
puts me into the USB danger-zone enough as it is.. but what happens when
this bug is triggered?

Cheers,
-Peter
--
Peter Wemm - [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]
All of this is for nothing if we don't go to the stars - JMS/B5


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Re: Recommended MP development machines...

2002-07-04 Thread Chuck Robey

On  3 Jul, Peter Wemm wrote:
 Chuck Robey wrote:
 On Wed, 3 Jul 2002, David O'Brien wrote:
 
  On Wed, Jul 03, 2002 at 07:43:22PM -0700, George V. Neville-Neil wrote:
I know everyone says they all work but i'd like some recommendations 
 on
   MP machines for -CURRENT work.  I'll be ordering one this week.
 
  There is but _1_ dual system to get -- Tyan Thunder K7 (code name Guinness)
 .
  http://www.tyan.com/products/html/thunderk7.html.  It comes in multiple
  flavors, but mine is the dual-channel Ultra160, dual-3com 10/100, 5-64bit
  PCI, 1 AGP version.  You can cheap out and not get the non-SCSI S2462NG
  model.  Match this bad-boy up with a pair of fast Athlon `MP' (not `XP')
  CPU's and it is a totally solid system.  Various FreeBSD committers also
  have this system.
 
  There is a newer [more economic] version called the Thunder K7X.
  http://www.tyan.com/products/html/thunderk7x.html
 
 more economic is a poor way to describe it, seeing as it has all the
 features, plus (1) an updated version of the AMD mp chipset and (2) a
 fixed onboard usb port.  The K7 had a broken on-board usb (the AMD
 chipset had a PCI contention bug for the usb port, so the tin back panel
 of the board blocked out the usb, and the K7 came with a PCI usb card,
 which ate up one of your PCI slots.  The K7X has a repaired on-board usb,
 so you get that PCI slot back.
 
 Hm.  Do you have any details on this?  I've had occasional strange
 USB-related things happen on this box.  Of course, it runs -current which
 puts me into the USB danger-zone enough as it is.. but what happens when
 this bug is triggered?

I just finished buying the K7X myself, so I did quite a bit of research
before rejecting the Asus board, and the K7.  This included reading
about a half dozen reviews I located via google and tomshardware.  I'm
quite certain of my facts (and my head is abuzz with lots more board
trivia about them) but it's going to take a little bit for me to run
down the source of the PCI comment.  I'll do that, wait a bit for it.

 
 Cheers,
 -Peter
 --
 Peter Wemm - [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]
 All of this is for nothing if we don't go to the stars - JMS/B5
 

-- 

Chuck Robey | Interests include C  Java programming, FreeBSD,
[EMAIL PROTECTED]   | electronics, communications, and signal processing.

New Year's Resolution:  I will not sphroxify gullible people into looking up
fictitious words in the dictionary.



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Re: Recommended MP development machines...

2002-07-04 Thread Andrew Gallatin


Chuck Robey writes:
  
  The main difference in the updated chipset is the fact that the 64 bit PCI
  slots now run at double-speed, giving double the throughput.  No change

Most motherboards which support 64-bit/66MHz PCI slots can't run them
anywhere near the theoretical limit.  So its more like a 50%
improvement than 100% improvement.

For objective comparisions of chipsets see
http://www.conservativecomputer.com/myrinet/perf.html

Drew

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Re: Recommended MP development machines...

2002-07-04 Thread Andrew Gallatin


George V. Neville-Neil writes:
  Hi,
  
   I know everyone says they all work but i'd like some recommendations on
  MP machines for -CURRENT work.  I'll be ordering one this week.
  

I'm in the market for a new SMP x86 workstation to replace my aging
alpha desktop.

What's the state of ACPI (or apm?) support for SMP machines on
current?  I'd like to be able to suspend the machine to reduce heat
output and power consumption.

Is it currently possible to do the moral equivalent of what a laptop's
APM bios might call suspend to memory on an SMP desktop?.  Eg, all
fans/disks stop spinning, CPUs halt, power consumption goes down to
5-10W, and the memory contents continue to be refreshed until you wake
the machine up?

Also, what's a commonly available quiet case?  The alpha's got so many
fans that I think I'm starting to go deaf and I'd like a much less
noisy machine.

Thanks,

Drew



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Re: Recommended MP development machines...

2002-07-04 Thread Chung-Lin Tang

Chuck Robey wrote:

On Wed, 3 Jul 2002, David O'Brien wrote:

On Wed, Jul 03, 2002 at 07:43:22PM -0700, George V. Neville-Neil wrote:

 I know everyone says they all work but i'd like some recommendations on
MP machines for -CURRENT work.  I'll be ordering one this week.

There is but _1_ dual system to get -- Tyan Thunder K7 (code name Guinness).
http://www.tyan.com/products/html/thunderk7.html.  It comes in multiple
flavors, but mine is the dual-channel Ultra160, dual-3com 10/100, 5-64bit
PCI, 1 AGP version.  You can cheap out and not get the non-SCSI S2462NG
model.  Match this bad-boy up with a pair of fast Athlon `MP' (not `XP')
CPU's and it is a totally solid system.  Various FreeBSD committers also
have this system.

There is a newer [more economic] version called the Thunder K7X.
http://www.tyan.com/products/html/thunderk7x.html


more economic is a poor way to describe it, seeing as it has all the
features, plus (1) an updated version of the AMD mp chipset and (2) a
fixed onboard usb port.  The K7 had a broken on-board usb (the AMD
chipset had a PCI contention bug for the usb port, so the tin back panel
of the board blocked out the usb, and the K7 came with a PCI usb card,
which ate up one of your PCI slots.  The K7X has a repaired on-board usb,
so you get that PCI slot back.

   That was a problem with the 760MPX chipset, the Thunder K7 uses the
   earlier 760MP which doesn't have that problem.



The main difference in the updated chipset is the fact that the 64 bit PCI
slots now run at double-speed, giving double the throughput.  No change
for the 32 bit PCI slots.  At least for me, the main usage of the 64 bit
slot would be the disk; seeing as both the K7 and the K7X can be had with
a very nice dual channel Adaptec Ultra160 controller, which means you
don't use the 64 bit PCI slot for disk, that kills that.   Added cost
for the controller is about $100, not a bad deal.

I think the K7 had only AGP; the K7X has AGP-Pro; doesn't mean much yet,
but if you're a gaming maven, maybe it'll be important pretty quickly now.

  Both has AGP-Pro.




Chuck Robey | Interests include C  Java programming, FreeBSD,
[EMAIL PROTECTED]   | electronics, communications, and signal processing.

New Year's Resolution:  I will not sphroxify gullible people into looking up
fictitious words in the dictionary.



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Re: Recommended MP development machines...

2002-07-04 Thread Chuck Robey

On  3 Jul, Peter Wemm wrote:
 Chuck Robey wrote:
 On Wed, 3 Jul 2002, David O'Brien wrote:
 
  On Wed, Jul 03, 2002 at 07:43:22PM -0700, George V. Neville-Neil wrote:
I know everyone says they all work but i'd like some recommendations 
 on
   MP machines for -CURRENT work.  I'll be ordering one this week.
 
  There is but _1_ dual system to get -- Tyan Thunder K7 (code name Guinness)
 .
  http://www.tyan.com/products/html/thunderk7.html.  It comes in multiple
  flavors, but mine is the dual-channel Ultra160, dual-3com 10/100, 5-64bit
  PCI, 1 AGP version.  You can cheap out and not get the non-SCSI S2462NG
  model.  Match this bad-boy up with a pair of fast Athlon `MP' (not `XP')
  CPU's and it is a totally solid system.  Various FreeBSD committers also
  have this system.
 
  There is a newer [more economic] version called the Thunder K7X.
  http://www.tyan.com/products/html/thunderk7x.html
 
 more economic is a poor way to describe it, seeing as it has all the
 features, plus (1) an updated version of the AMD mp chipset and (2) a
 fixed onboard usb port.  The K7 had a broken on-board usb (the AMD
 chipset had a PCI contention bug for the usb port, so the tin back panel
 of the board blocked out the usb, and the K7 came with a PCI usb card,
 which ate up one of your PCI slots.  The K7X has a repaired on-board usb,
 so you get that PCI slot back.
 
 Hm.  Do you have any details on this?  I've had occasional strange
 USB-related things happen on this box.  Of course, it runs -current which
 puts me into the USB danger-zone enough as it is.. but what happens when
 this bug is triggered?

Sorry it took so long, the web site I originally found it on has
apparently disappeared.  This link, however, describes the problem
neatly:

http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/24472.pdf


Chuck Robey | Interests include C  Java programming, FreeBSD,
[EMAIL PROTECTED]   | electronics, communications, and signal processing.

New Year's Resolution:  I will not sphroxify gullible people into looking up
fictitious words in the dictionary.



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with unsubscribe freebsd-current in the body of the message



Re: Recommended MP development machines...

2002-07-03 Thread Alfred Perlstein

* George V. Neville-Neil [EMAIL PROTECTED] [020703 19:43] wrote:
 Hi,
 
   I know everyone says they all work but i'd like some recommendations on
 MP machines for -CURRENT work.  I'll be ordering one this week.

I got a dual AMD 1900 from monarchcomputer.com, it was pretty decently
priced at the time and they seem to have decent service.

-Alfred

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Re: Recommended MP development machines...

2002-07-03 Thread David O'Brien

On Wed, Jul 03, 2002 at 07:43:22PM -0700, George V. Neville-Neil wrote:
   I know everyone says they all work but i'd like some recommendations on
 MP machines for -CURRENT work.  I'll be ordering one this week.

There is but _1_ dual system to get -- Tyan Thunder K7 (code name Guinness).
http://www.tyan.com/products/html/thunderk7.html.  It comes in multiple
flavors, but mine is the dual-channel Ultra160, dual-3com 10/100, 5-64bit
PCI, 1 AGP version.  You can cheap out and not get the non-SCSI S2462NG
model.  Match this bad-boy up with a pair of fast Athlon `MP' (not `XP')
CPU's and it is a totally solid system.  Various FreeBSD committers also
have this system.

There is a newer [more economic] version called the Thunder K7X.
http://www.tyan.com/products/html/thunderk7x.html

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Re: Recommended MP development machines...

2002-07-03 Thread David O'Brien

On Wed, Jul 03, 2002 at 11:50:00PM -0400, Chuck Robey wrote:
 (2) a
 fixed onboard usb port.  The K7 had a broken on-board usb (the AMD
 chipset had a PCI contention bug for the usb port, so the tin back panel
 of the board blocked out the usb, and the K7 came with a PCI usb card,
 which ate up one of your PCI slots.

Strange, my UCB works.  I don't have a back panel (was an early release
mobo), but I have used a USB Zip drive with this mobo.  I haven't been
able to get my USB printer working; but that seemed more due to our USB
support than hardware.

 I think the K7 had only AGP; the K7X has AGP-Pro; doesn't mean much yet,
 but if you're a gaming maven, maybe it'll be important pretty quickly now.

Mine has AGP-pro.

Not saying the K7X isn't better.  Just that maybe the Thunder K7 isn't so
bad.

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