P4B266
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    BIOS & FIRMWARE

    • Driver & Tools
    • BIOS & FIRMWARE

    BIOS
    P4B266 Beta BIOS 1011.003
    Version 1011.003
    Beta Version
    141.48 KB
    2003/06/10

    The Latest Beta BIOS.

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    P4B266 BIOS 1010
    Version 1010
    189.49 KB
    2002/09/12

    Revised CPU cache descriptors according to "BIOS Writers Guide" Rev 1.5 to support P4 Celeron 2GHz.
    Add microcode update for NorthWood C-1 stepping (PGA478) beta.

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    P4B266 BIOS 1010 ( For Japanese only )
    Version 1010
    201 KB
    2002/09/12

    Revised CPU cache descriptors according to "BIOS Writers Guide" Rev 1.5 to support P4 Celeron 2GHz.
    Add microcode update for NorthWood C-1 stepping (PGA478) beta.

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    P4B266 BIOS 1009 (for Japanese only)
    Version 1009
    198.94 KB
    2002/07/29

    Fixed Secure Digital Storage Device resource conflict.

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    P4B266 BIOS 1008
    Version 1008
    187.61 KB
    2002/07/25

    Update DMI CPU max speed

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    P4B266 BIOS 1009
    Version 1009
    187.63 KB
    2002/07/12

    Fixed Secure Digital Storage Device resource conflict

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    P4B266 BIOS 1008 (for Japanese only)
    Version 1008
    198.92 KB
    2002/07/12

    Update DMI CPU max speed

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    P4B266 BIOS 1007
    Version 1007
    187.37 KB
    2002/06/21

    Update Onboard Lan bootrom to version 4.1.04
    Fix flash disk boot failure (M-system, model is M-SYSTEM FFD-250 IDE).
    Fix wrong L2 cache size for Willamette Celeron
    Add the support for Willamette Celeron.
    Add microcode update for Willamette Celeron. Update microcode update for Willamette wC-1 stepping, wD-0 stepping, and NorthWood B-0 stepping (PGA478)
    Fix the system sometimes reset automatically in POST 0B with some cache controller.
    Add 48-BIT IDE support

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    P4B266 BIOS 1007 (For Japanese only)
    Version 1007
    198.65 KB
    2002/06/21

    Update Onboard Lan bootrom to version 4.1.04
    Fix flash disk boot failure (M-system, model is M-SYSTEM FFD-250 IDE).
    Fix wrong L2 cache size for Willamette Celeron
    Add the support for Willamette Celeron.
    Add microcode update for Willamette Celeron. Update microcode update for Willamette wC-1 stepping, wD-0 stepping, and NorthWood B-0 stepping (PGA478)
    Fix the system sometimes reset automatically in POST 0B with some cache controller.
    Add 48-BIT IDE support

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    P4B266 BIOS 1005
    Version 1005
    182.79 KB
    2001/12/12

    Fix two unknown devices appears in Windows Device Manager if M/B comes without Memory Stick/Secure Digital.
    Power temperature is shown as [N/A] if no sensor is attached.
    Change I-Panel setup item option string from "group 3" to "Group 3"

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    P4B266 BIOS 1003
    Version 1003
    182.57 KB
    2001/12/12

    Add Smart Card Reader item option.
    Fix system hangs at POST code "EE" sometimes.
    Fix NT 4,0 boot fails if speech is enabled.
    Rename "USB Function" item to "USB 1.1 Function".
    Fix system hangs sometimes when CPU frequency is set to 133MHz and CPU/memory frequency ratio is set to [3:4].

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