P5B

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    BIOS & FIRMWARE

    • Driver & Tools
    • BIOS & FIRMWARE
    BIOS
    P5B 2104 BIOS
    Version 2104
    608.63 KB
    2014/02/08

    Support new CPUs. Please refer to our website: http://support.asus.com/cpusupport/cpusupport.aspx?SLanguage=en-us

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    P5B beta BIOS 2101
    Version 2101
    Beta Version
    609.47 KB
    2009/01/08

    Fix it hangs at “disk boot failure insert system disk and press enter” when boot from PXE.

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    P5B BIOS V2001
    Version 2001
    606.84 KB
    2008/08/05

    Support new CPUs. Please refer to our website:http://support.asus.com/cpusupport/cpusupport.aspx?SLanguage=en-us

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    P5B beta BIOS v1902
    Version 1902
    Beta Version
    600.9 KB
    2008/04/29

    Support new CPUs. Please refer to our website at: http://support.asus.com/cpusupport/cpusupport.aspx?SLanguage=en-us

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    P5B BIOS 1803
    Version 1803
    591.9 KB
    2007/11/30

    1. Fix CPU ratio will not reset after load BIOS default
    2. Enable support for N/2 Ratio option

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    P5B BIOS version 1705
    Version 1705
    589.7 KB
    2007/11/05

    1. Support new CPUs. Please refer to our website at: http://support.asus.com.tw/cpusupport/cpusupport.aspx
    2. Update LAN BOOTROM to 2.06

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    P5B BIOS version 1604
    Version 1604
    583.52 KB
    2007/07/13

    1. Enhance memory compatibility under FSB1333 mode

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    P5B Release BIOS 1501
    Version 1501
    583.09 KB
    2007/07/05

    1. Add new CPU uCode to support new processor

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    P5B Release BIOS 1405
    Version 1405
    583.02 KB
    2007/06/13

    1. Update CPU ucode to support new processor
    2. Revise SLP 2.0 rule
    3. Enable hotplug support under AHCI mode
    4. Fix displayed CPU frequency incorrectly after downgrade CPU ratio

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    P5B Release BIOS 1202
    Version 1202
    573.71 KB
    2007/04/04

    1. Fix system may sometimes hang after load default in setup then exiting right away while having Conroe CPU installed.
    2. Add new uCode to support new CPU.

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    P5B Release BIOS 1102
    Version 1102
    569.93 KB
    2007/01/31

    **Please update AsusUpdate to V7.09.02 or later prior making this update.**
    **This BIOS does not support roll back to earlier BIOS**
    1. Finetune Q-Fan control algorithm
    2. Enable EIST under VISTA
    3. Update CPU Ucode to support new CPU
    4. Fix BBS device string not correct under AHCI mode
    5. Support SLP2.0 string
    6. Fix HCT unreported I/O and memory issuse
    7. Support disable USB function item
    8. Allow disable XD for conroe L
    9. Add full reset after change DRAM mode to enhance memory compatibility
    10. Support CONROE E0 CPU(FSB 1333)
    11. Fix AC Power loss function not correct
    12. Support x4 DIMM

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    P5B Release BIOS version 0806
    Version 0806
    565.67 KB
    2006/11/09

    1. Enable support for WiFi-TV card
    2. Enable PreslerXE 3.73 support
    3. Enable USB like support for SATA HDD connected to JMICRON controller when JMicron option is set to IDE or AHCI mode
    4. Drop CPU fan low limit to 600rpm when Conroe CPU is in use.
    5. Enhance ATA ODD compatibility
    6. Support Conroe-L CPU
    7. Fix CPU VCORE too high after overclocking fail

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    P5B Release BIOS version 0701
    Version 0701
    564.03 KB
    2006/10/05

    1. Enhance memory compatibility
    2. Fix DRAM frequency incorrectly display problem under auto, standard and AI N.O.S mode
    3. Reduce system full reset of times
    4. Patch some VGA card can't found when NB Vcore value has been set too high
    5. Fix DDR frequency 889 unstable by SPD
    6. Add new CPU Ucode to support Kentsfield B3 stepping CPU
    7. Improve S3 resume time
    8. Fix FSB not correct displayed in BIOS setup when CPU has been set to non-standard frequency
    9. Fix chassis fan 2 speed not correct when fan speed too low

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    P5B Release BIOS version 0509
    Version 0509
    562.15 KB
    2006/09/08

    1. Support DDR2 double side x16 module
    2. Enable support for CPU ratio adjustment on Kentsfield B0 stepping CPU
    3. Enable conroe/kentsfield ratio overclocking higher above default value
    4. Fix CPU Fan profile mode not correct after system shutdown
    5. Revise temperature reading algorithm
    6. Update MRC code
    7. Enhance memory compatibility for DDR533 and DDR667 modules.
    8. Revise S3 fuction not stable when CPU FSB over 300MHz.
    9. Add dram frequency help string

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