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Visitor II
April 20, 2005
Question

About ConsumeII BIOS post code

  • April 20, 2005
  • 13 replies
  • 1914 views
Posted on April 20, 2005 at 13:19

About ConsumeII BIOS post code

    This topic has been closed for replies.

    13 replies

    cdvehicleAuthor
    Visitor II
    April 12, 2005
    Posted on April 12, 2005 at 08:10

    HI all:

    I can't find anywhere BIOS-POST codes related to General Software.

    What mean 0x0d is?

    It looks like CMOS(Superio) is not running? But I check the FDC37B782, some signal looks good, OSC14M/IOW/IOR has toggled, AEN is low, rstdrv is low, NPOWERON is low, why? Have I

    make any mistake?

    Somebody knows anything?

    [ This message was edited by: vehicle007 on 12-04-2005 12:45 ]

    Visitor II
    April 12, 2005
    Posted on April 12, 2005 at 14:42

    Hi,

    Please find attached the manual of GS_Bios that includes the EMBEDDED BIOS POST Codes.

    ________________

    Attachments :

    Users_Guide.pdf : https://st--c.eu10.content.force.com/sfc/dist/version/download/?oid=00Db0000000YtG6&ids=0680X000006Htrz&d=%2Fa%2F0X0000000aY9%2FYLEAWeXfOustvncDFV2CfN7Lr8Gu_c27ZKqhEZBgtc4&asPdf=false
    cdvehicleAuthor
    Visitor II
    April 12, 2005
    Posted on April 13, 2005 at 01:54

    Thinks, but I can not download this file! Can you send it to my mail?

    mailto:

    mailto:ca2000@126.com

    cdvehicleAuthor
    Visitor II
    April 13, 2005
    Posted on April 13, 2005 at 05:01

    another question:

    all of the BIOS post code send to port80?

    cdvehicleAuthor
    Visitor II
    April 13, 2005
    Posted on April 13, 2005 at 05:43

    if BIOS send 0x0d post code then loop read 0x40h(IOR),why?

    Visitor II
    April 15, 2005
    Posted on April 16, 2005 at 01:34

    From my experience with the General Software BIOS, the 0D postcode happens when the CPU can not access the Combo I/O chip. It downloads lots of stuff in it to initialize it, but it will not post any malfunction until it does the CMOS shutdown register test.

    So something is wrong with the basic accesses to your Combo I/O chip. Is the base address the same as the one of the demo board?

    cdvehicleAuthor
    Visitor II
    April 18, 2005
    Posted on April 18, 2005 at 04:46

    Base address???

    the superio has A0-A15 address line ,so the base address should be decode it by superio, I don't konw what means about Base address?

    In schematic it same as the demo borad.like this attachfile followed:

    ________________

    Attachments :

    superio.gif : https://st--c.eu10.content.force.com/sfc/dist/version/download/?oid=00Db0000000YtG6&ids=0680X000006Htjt&d=%2Fa%2F0X0000000aWP%2F.mIfGOtzdmzbsspGkTULm72039V5IFogjXXEdsCxxGQ&asPdf=false
    cdvehicleAuthor
    Visitor II
    April 18, 2005
    Visitor II
    April 18, 2005
    Posted on April 18, 2005 at 13:07

    From your drawing I meant the config address. This is the I/O address to turn the device on/off and where all the functions are configured. At power-on the device is off. You have two choices. If the one you choose is different from the one expected by the BIOS, you will get a ''0d'' post code. (doesnt mean that this is your bug, but this is one possibility)

    Are you running from the demo board BIOS or are you customizing yours? If you use the BIOS form the demo board, make sure that you use the same configuration resistors as the demo baord.

    Visitor II
    April 19, 2005
    Posted on April 19, 2005 at 09:58

    if you used demondtration copy from GeneralBios (actually from whatever company..) the default setting for SIO base adress is 0x370 so the pin #115 (nrts1) should be pulled up. but your schematic shows it is floating. this is obvious mistake.

    0x370 is default value for SIO access. you can modify the circuit to pull down nRTS1 pin and you can change the Base address to 0x3F0 in BIOS menu when Hardware work has been done.