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39790 discussions

tusl2-c motherboard
by Yap Ee Huey 25 Feb '03

25 Feb '03

Hi all, My name is eehuey, I was unable to use your help page cgi to send my mainboard info , so I use email, hope you don't mind. Mainboard : ASUS TUSL2-C (Socket 370, Intel 815EP Flash Device : SST 49LF002A Output from lspci -- 00:00.0 Host bridge: Intel Corp. 82815 815 Chipset Host Bridge and Memory Controller Hub (rev 04) 00:01.0 PCI bridge: Intel Corp. 82815 815 Chipset AGP Bridge (rev 04) 00:1e.0 PCI bridge: Intel Corp. 82801BA/CA PCI Bridge (rev 05) 00:1f.0 ISA bridge: Intel … [View More]

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[commit] Support for Intel se7501cw2
by steven james 25 Feb '03

25 Feb '03

Greetings, I've just committed support for the 533MHz FSB version of Intel Clearwater and the E7501 northbridge. It's not well tested yet, but it does etherboot the kernel. G'day, sjames -- -------------------------steven james, director of research, linux labs ... ........ ..... .... 230 peachtree st nw ste 701 the original linux labs atlanta.ga.us 30303 -since 1995 http://www.linuxlabs.com … [View More]

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Re: Getting a small cluster running - PC-Chips 810
by Jonathan Morton 25 Feb '03

25 Feb '03

> > This seems to imply I don't need a Disk-on-Chip unit, separate Flash >> chip, or Flash programmer (unless I goof up, in which case the Flash >> programmer can be used to restore the original BIOS). Is this >> correct? > >That's right. DOC is not necessary, but would be a nice option to have. >DOC not only reduces traffic, but also allows some fancy features, eg kexec. I don't expect traffic or features to be a problem, as with OpenMOSIX the slave … [View More]

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help!!!who can explain the interface between linuxbios and linux.
by 王海明 25 Feb '03

25 Feb '03

dear all: I have developed a linuxbios debug system succefully.I introduced gdb stub into my system. In my system ,developers can debug linuxbios at source code level. I setup the stub at the beginning of the begin of the function of hardwaremain, the first c function.Now the system can excute the function of "step",'step into" "step out" ,"breakpoint"and so on. but the system has not been tested fully. I wonder if my design is usefull to others. by the way, I have several question.I will … [View More]

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Re: Low cost cluster
by Jonathan Morton 25 Feb '03

25 Feb '03

> > Thus I obtained an effective performance figure of 2.0 MFLOPS/MHz, >> versus Athlon-XP figure of 0.5 (for both x87 and SSE) and Pentium-4 >> figure of 0.4 (for SSE). This is not hype - this is me reading the >> documentation and doing the maths. > >This is an estimate, not a benchmark. It would be interesting what the >Apple C compiler would make from your code. Your code seems to map to >AltiVec very well, this is pretty rare. My algorithm is made … [View More]

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Re: Low cost cluster
by Jonathan Morton 25 Feb '03

25 Feb '03

>I agree with your reasoning - cheap motherboards are readily available. > >For use at home, however, I looked at the mini-ITX motherboards. >Less CPU performance of course, but low power and low cost. I don't think there'll be power problems with such a small number (initially just 2) of slaves, really. I'm constrained by a fairly tight capital budget, designed to make 1 good PC, and I found I could turn it into one respectable PC plus two cheap slaves. If I really wanted to … [View More]push the CPU-power envelope, I'd get a refurbished PowerMac. I still might. The cluster would give me an aggregate 2500 MFLOPS, while a previous-model Mac would give me 3500 for about the same price (both figures being what the compiler alone can do). The only thing holding me back from that, is the possibility of needing to run high-end physical-simulation software that is probably only available for Windows. (Yes, I know about PC emulation software, but it takes a large performance hit.) BTW, this setup is officially to allow me to move my personal machines off the desk and back home! They're currently an Athlon 1.2GHz and a Duron 800, plus a Pentium-MMX and a 486 that are used as servers. >I also have a PC-chips 810MLR, which we used for Linuxbios work last >summer. I do hate to say it, but Linuxbios does work, but PCChips >have a rather bad reputation. Given the price, this isn't *so* surprising, but given the price it's also easy to "forgive and replace". Because they are slaves, it's easy to take one offline if it goes bad, and take time over getting it replaced (probably under warranty). I hope LinuxBIOS is more flexible than the rather anaemic status page suggests. >If someone else is paying, from a grant, then think about getting a >cluster with better hardware, say using Tyan or Supermicro motherboards. I will have to see if any are available at a comparable price. I do know that finding a case big enough to fit a Tiger into, while still keeping the price down, could be a real pain. But then, SMP boards tend not to be designed to be cheap. :) That is a good point though - I should look at putting a pair of SMP machines together, and see how the price compares. However, I think the single SMP I priced was scraping the budget already - Athlon-MPs are priced noticeably higher than their single equivalents, which definitely hurts when compared to clusters of single-CPU slaves. >A little more capital cost will result in much less grief later. >And also think about the cases - do you have room for a pile of big >ATX cases? Let me see, right now the desk has one full-tower and one midi-tower ATX, one AT, and one low-profile desktop, plus two monitors, at least three keyboards, plus a laptop, all piled on and around it. I'm planning to replace all that with one large medium-tower and two midi ATXs, plus one monitor and one keyboard. I don't think space is a problem. :-) >Where is your department? Lancaster, UK. -- -------------------------------------------------------------- from: Jonathan "Chromatix" Morton mail: chromi(a)chromatix.demon.co.uk website: http://www.chromatix.uklinux.net/ tagline: The key to knowledge is not to rely on people to teach you it. [View Less]

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Re: Low cost cluster
by Alessio Sangalli 24 Feb '03

24 Feb '03

Jonathan Morton wrote: > If I really wanted to push the CPU-power envelope, I'd get a refurbished > PowerMac. I still might. The cluster would give me an aggregate 2500 > MFLOPS, while a previous-model Mac would give me 3500 for about the is this supposed to be funny or do you really believe S. Job's jokes? ;) bye!!! ciao as -- How to build a lirc receiver http://www.manoweb.com/alesan/lirc

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Getting a small cluster running - PC-Chips 810
by Jonathan Morton 24 Feb '03

24 Feb '03

Background: I want to get the most CPU power out of a limited budget, for use with a research project involving signal processing. So far, apart from buying a refurbished Mac, the best solution seems to be building an OpenMOSIX cluster using Athlon-XPs. I plan to use a "master" computer with a slightly faster CPU than the slaves, and fitted with a full-function m/board and peripherals. The master does not need to run LinuxBIOS, but it's existence means it should be easy to build kernel … [View More]

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Status page
by Andrew Ip 24 Feb '03

24 Feb '03

Looks like status page is not being updated, eg 787 is not in the list. -Andrew -- Andrew Ip Email: aip(a)cwlinux.com Tel: (852) 2542 2046 Fax: (852) 2542 2036 Mobile: (852) 9201 9866 Cwlinux Limited Unit 202B 2/F Lai Cheong Factory Building, 479-479A Castle Peak Road, Lai Chi Kok, Kowloon, Hong Kong. Tel: (852)2542 2046 Fax: (852)2542 2036 For public pgp key, please obtain it from http://www.keyserver.net/en.

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Re:Re: How to initialize USB controller in LinuxBios?
by riskin＠263.net 23 Feb '03

23 Feb '03

----- Original Message ----- From: "ollie lho" <ollie(a)sis.com.tw> To: <riskin(a)263.net> Cc: <aip(a)cwlinux.com>,<jerj(a)coplanar.net>,"LinuxBIOS Mailing List" <linuxbios(a)clustermatic.org>,"Ronald G Minnich" <rminnich(a)lanl.gov> Sent: 2003-02-21 20:29:46 Subject: Re: How to initialize USB controller in LinuxBios? >On Fri, 2003-02-21 at 10:26, riskin(a)263.net wrote: >Do you really have any idea about USB controller ?? USB controller >does not … [View More]

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