coreboot January 2003

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95 discussions

Fwd: 440BX - Worth the time?
by Dennis Veatch 08 Jan '03

08 Jan '03

Opps forgot the file. ---------- Forwarded Message ---------- Subject: 440BX - Worth the time? Date: Tuesday 07 January 2003 07:49 pm From: Dennis Veatch <dveatch(a)woh.rr.com> To: linuxbios(a)clustermatic.org I'm thinking about a switch to Linuxbios for this mobo. The status page on the website says unstable but there is no current date of this status. I looked through the archives and must have overlooked any references to this chipset. So would this board be a good candidate? A few notes about it. 1) currently a 400MHz PII that I plan on bumping up to a 700MHz PIII (slot 1). 2) the SCSI is an Adaptec 2940/7881. 3) the video card is an ATI Radeon 9000. Attached is the output of lspci -vvv. Any pointers will be most appreciated. Thanks -- Registered Linux User - 193414 Sig for OSS: Never be afraid to try something yourself, remember amateurs built the Ark, professionals built the Titanic.

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what is a disc on chip? - beginner's question
by Alessio Sangalli 08 Jan '03

08 Jan '03

Hi, this is not the first time I write but in the past months I was too busy and I had no time to build a nice linuxbios-box! However now I'm going to buy a pchips motheboard so I can start to experiment. I've read the useful guide on the web; however I have some doubts: what about that disc on chip device: how much does it cost more or less? Why can't we use a normal FLASH memory like the ones used to store a standard BIOS? I can think those chips provide particular features, but which ones exactly? Aren't common flash/eeprom chips much easier to find and cheaper to buy? An external programmer could be needed (like for the eproms of etherboot) but most people could have access to such a device. Bye bye and thank you! as P.S. I've read just now that on the pchips motherboard for athlon cpus the L2 cache is not working. Is it true? As the cache is on the processor and not on the mainboard, I thought this wouldn't be a problem...

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beginner's question
by Alessio Sangalli 08 Jan '03

08 Jan '03

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[COMMIT] fix for EPIA performace problem from Kevin Hester
by Andrew Ip 07 Jan '03

07 Jan '03

checkedin northbridge/via/vt8601/northbridge.c northbridge/via/vt694/northbridge.c mainboard/via/epia/mainboard.c These fix network and ide performance problem. I have verified the patch. -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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440BX - Worth the time?
by Dennis Veatch 07 Jan '03

07 Jan '03

I'm thinking about a switch to Linuxbios for this mobo. The status page on the website says unstable but there is no current date of this status. I looked through the archives and must have overlooked any references to this chipset. So would this board be a good candidate? A few notes about it. 1) currently a 400MHz PII that I plan on bumping up to a 700MHz PIII (slot 1). 2) the SCSI is an Adaptec 2940/7881. 3) the video card is an ATI Radeon 9000. Attached is the output of lspci -vvv. Any pointers will be most appreciated. Thanks -- Registered Linux User - 193414 Sig for OSS: Never be afraid to try something yourself, remember amateurs built the Ark, professionals built the Titanic.

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(no subject)
by xu xuning 06 Jan '03

06 Jan '03

hello, I use the pre-made images from http://www.cwlinux.com/download/,and my mainboard is winfast6300 MA Pro.then i have several problems: 1. In this system don't support ide and usb memory,and how to do about these? i know there were no related drivers in the system ,but i don't know how to do it? 2. in http://www.cwlinux.com/download/ ,i find some files and their name is *.rom.but how to use these files? the "readme" isn't detailed for me. thanks _________________________________________________________________ 享用世界上最大的电子邮件系统― MSN Hotmail。 http://www.hotmail.com

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DMA on the SC2200 Geode
by John Allen 06 Jan '03

06 Jan '03

I just noticed that the harddrive on my Geode sc2200 system is running in pio mode. What do I need to do to turn on dma support for this chip? John

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Building LinuxBIOS
by sivakumar 06 Jan '03

06 Jan '03

Hi, While build the Linuxbios image, first step is copying of /vobs/elinux/LinuxBIOS/freebios/src/arch/i386/config/crt0.base to crt0.S. Do I need to modify some thing that is specific to motherboard in crt0.base file? Do I need have any private setting for motherboard in crt0.base file? Thanks, Siva.

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Configuring DRAM register using SPD.
by sivakumar 06 Jan '03

06 Jan '03

Hi, I am using spd_82801.c file to get the SPD values of the my DDR SDRAM. I have checked the values and it seem to be correct. Now I want to program the DRAM registers. When I was browsing the 440gx code, I could found that these SPD values are not used directly to get the DRAM register value. I could not understand the step used to calculate the DRAM register values. In the specification I could see only the description of DRAM register, not the steps to calculate the value of DRAM register. Where can I find those steps? How do you get to know for the 440gx ? Is it ok to hardcode the values ? I am going for this option because our system is a embedded system, so the configuration will not change. Also while browsing the 440gx code, I found that most of the register are left with default values. Can any one giving some idea about the set of registers which I need to program. I have attached the output of the SPD program. But how to calculate the DRAM register values like DRB, DRT, DRC,FDHC and etc., The Output of the SPD_82801.c file on my DDR SDRAM: [root@wipro2 scanspd]# ./spd_82801ba dev=1f, fn=3 IO_BASE=5000 After reset status 0x40 SLOT 0 After reset status 0x40 Number of bytes used by module manufacturer 0x80 After reset status 0x40 Memory Type 0x07 ---------------> DDR SDRAM After reset status 0x40 Number of Row Address bits 0x0d After reset status 0x40 Number of Column Address bits 0x0a After reset status 0x40 Number of Sides 0x01 After reset status 0x40 DIMM Configuratio type 0x00 After reset status 0x40 Refresh Rate 0x82-------------------------------> refresh rate is 7.8 micro sec After reset status 0x40 Number of Banks 0xa0 After reset status 0x40 Module Bank Density 0x40 After reset status 0x40 SPD Revision Code 0x00 After reset status 0x40 CAS # Latency 0x0c -----------------------> 2.5 After reset status 0x40 Min Row Precharge 0x50 After reset status 0x40 Min RAS to CAS Delay 0x50 ------------------------------> 20 ns After reset status 0x40 Min RAS Pulse Width 0x2d [root@wipro2 scanspd]# Thanks, Siva

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RE: Recommended dual Athlon motherboards
by marc.miller＠amd.com 06 Jan '03

06 Jan '03

Guinness is actually the code name of the Tyan Thunder K7. Tiger came later. -----Original Message----- From: Steven James [mailto:pyro@linuxlabs.com] Sent: Sunday, January 05, 2003 6:31 AM To: Jeremy Jackson Cc: linuxbios(a)clustermatic.org Subject: Re: Recommended dual Athlon motherboards Greetings, Guiness is AKA TigerMP. I expect that the comparisons will be helpful, I just haven't had the time to finish that yet. The datasheets are available from AMD which is also a help. The Northbridge is the same for 760 and 760MPX chipset. Serial comes up only on the first boot of LinuxBIOS (after OEM BIOS has done some setup). I don't expect too much trouble fixing that. The rest will be reletivly easy after that. An ICE should not be required (which is good since I don't have one), but extra flash chips will be essential. G'day, sjames Quoting Jeremy Jackson <jerj(a)coplanar.net>: > Hi, > > Thanks for the info. I've been looking at the Tyan Tiger MPX (S2466). > What is Guiness referring to? > > Might a comparison of PCI config registers or MSRs after OEM BIOS init > and cold boot reveal something? Power management actually helps, since > all registers must be read/write (as opposed to write only - like VGA > Pallette snoop) so PM can save context on suspend. Does LinuxBIOS go > far enough to get the serial port working? > > I'm going to buy a board, is there any chance it can be done without an > ICE? > > Regards, > > Jeremy > > On Sat, 2003-01-04 at 18:10, Steven James wrote: > > Greetings, > > > > 760MPX is promising. I have found that the Tyan/Guiness LinuxBIOS can > nearly do > > it. There will need to be some mods to the initialization though. It > gets all > > the way through LinuxBIOS only right after booting from the OEM BIOS. > > > > I haven't seen anything else for dual Athlon. > > G'day, > > sjames > > > > > > Quoting Jeremy Jackson <jerj(a)coplanar.net>: > > > > > Are there any recommended motherboards that work might work with a > bit > > > of effort? I'm thinking 760MPX, are there other chipsets? > > > > > > Thanks, > > > > > > Jeremy > > ----------------------------steven james, director of research, linux labs LinuxBIOS Cluster Solutions 230 peachtree st nw ste 2705 High-Speed Colocation, Hosting, atlanta.ga.us 30303 Linux Hardware, Development & Support http://www.linuxlabs.com * Visit us at SuperComputing 2002, Booth 1441 * office/fax 404.577.7747/3 -------------------------------------------------------------------------- _______________________________________________ Linuxbios mailing list Linuxbios(a)clustermatic.org http://www.clustermatic.org/mailman/listinfo/linuxbios

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coreboot January 2003