Here you can find HP Pavilion BIOS changelogs and download links for BIOS upgrade.

These packages contain the Phoenix BIOS WinFlash utility and a System BIOS image for the
below HP Pavilion notebook models having a 30CB or 30CC Family ROM and operating systems.

The WinFlash utility is only tested in a Microsoft Windows environment (between Xp 5.1 and Vista 6.0 both 32bit and 64bit versions).

IF YOU HAVE EXPERIMENTED WITH THOSE BIOS OR HAVE MORE INFO PLEASE DROP A NOTE!

Laptop models addressed by the following BIOS updates are the following series:

Compaq Presario v3500 Notebook PC
Compaq Presario V3500 Notebook PC
Compaq Presario V3700 Notebook PC
HP Pavilion dv2500 Notebook PC
HP Pavilion dv2700 Notebook PC

WinFlash for HP Pavilion Notebooks with INTEL Processor

• VERSION:  F.2A
  SOFTPAQ NUMBER:  SP38886
  SUPERSEDES:  SP38252
  EFFECTIVE DATE:  08 April 2008
  DOWNLOAD LINK
  ENHANCEMENTS:
  1. Turnning on system FAN in the lowest speed, when system is powered on.
  FIXES:
  1. Fixing CPU frequency scaling on GNU/Linux systems
  2. Fixing rarely intermittent issue what the system HDD might not be detected
  correctly when booting into OS.
  3. Fixing issue what LiveTV and Play/TV button of PP remote controller cannot
  work properly when external CIR receiver is not plugged in.
  4. Fixing issue what the power button of HP remote controller cannot work when
  system is in Vista OS.
• VERSION:  F.2D
  SoftPaq NUMBER:  SP40750
  SUPERSEDES:  SP39373
  EFFECTIVE DATE:  12 September 2008
  DOWNLOAD LINK
  FIXES:
  1. Fixing intermittent issue what the video controller might no response sometimes.

Laptop models addressed by the following BIOS updates are the following series:

Compaq Presario V6500 Notebook PC Series
Compaq Presario V6700 Notebook PC Series
HP Pavilion dv6500 Notebook PC Series
HP Pavilion dv6700 Notebook PC Series
HP Pavilion dv9500 Notebook PC Series
HP Pavilion dv9700 Notebook PC Series
HP Pavilion dx6500 Notebook PC Series
HP Pavilion dx6700 Notebook PC Series

WinFlash for HP Pavilion Notebooks with INTEL Processor

• version F.08 REV: A
  SOFTPAQ number:  SP36002
  SUPERSEDES:  SP35571
  EFFECTIVE DATE:  01 June 2007
  DOWNLOAD LINK
  ENHANCEMENTS:
  1. Support Discrete Graphics SKU.
  2. Support Computrace function.
  FIXES:
  1. Fix quickplay may unexpectedly launched after resume from resume from standby/hibernation.
  2. Remove USB wakeup from Standby to work around the system may have blue screen after resume from Standby.
  DRAWBACKS:
  - Support Computrace function
  - BIOS ACPI manages in a “smart” way the C4 state (toggleable in BIOS settings). It seems C3 state is actually pointing at C4. (Why the heck is this hack needed?). As a result C4 state is not visible to the OS.
• version F.09
  SOFTPAQ number::  SP36379
  SUPERSEDES:  SP36002
  EFFECTIVE DATE:  06 July 2007
  DOWNLOAD LINK
  ENHANCEMENTS:
  1. Adds an audible beep when the keys at the top of the keyboard (DVD, Q, Volume control, and so forth) are pressed, or when sweeping over the Volume control.
  FIXES:
  1. Fixes issue where notebooks with 4-GB of memory that are running a Microsoft Windows Vista 64-bit Operating System cannot access Memory Stick (MS) or xD-Picture.
  2. Fixes issue where the notebook would incorrectly enter the Boot menu after exiting from F1 System Information.
  DRAWBACKS: none known
• version F.22 REV. A
  SOFTPAQ NUMBER: SP36710
  SUPERSEDES: SP36379
  EFFECTIVE DATE: 28 August 2007
  DOWNLOAD LINK
  ENHANCEMENTS:
  1. Support Intel processor T2310 and T2330.
  FIXES:
  1. Fix WLAN can not search Access Point after S4 resume if SUNIX 1394 Express Card is plugged in the system.
  2. Fix hot plugging the Giga LAN express card, the device will have yellow mark in device manager.
  DRAWBACKS:
  1. This update makes BIOS ACPI “smart”. It will hide C3 and C4 CPU power save states when AC cable is plugged in. However if you unplug the cable while powered on or in standby CPU still cannot enter C3 and C4 power states and thus consumes more power.
• version F.23 REV. A
  SOFTPAQ NUMBER:  SP37634
  SUPERSEDES:  SP36710
  EFFECTIVE DATE:  18 October 2007
  DOWNLOAD LINK
  ENHANCEMENTS:
  Resolve battery charge LED may be no coming on when plug in AC if the battery is
  in deep discharge state.
  DRAWBACKS: only inherits existing drawbacks
• version F.33 REV:  A
  SOFTPAQ NUMBER:  SP38015
  EFFECTIVE DATE:  30 November 2007
  DOWNLOAD LINK
  ENHANCEMENTS: none
  FIXES:
  1. Fix system may hang during idle if Intel Wireless WiFi Link 4965AG/AGN is installed on the system.
  2.Fix system may can not shutdown during BIOS update if moving USB mouse.
  DRAWBACKS: only inherits existing drawbacks
• version F.45
  SOFTPAQ NUMBER:  sp38510
  SUPERSEDES:  sp38015
  EFFECTIVE DATE:  February 22, 2008
  DOWNLOAD LINK
  ENHANCEMENTS:
  - Adds support for Intel Core 2 Duo Mobile Processors
  T8100, T8300, T9300, and T9500.
  FIXES:
  - Fixes issue where the 1394 port may not work after
  resuming from Standby mode.
  DRAWBACKS: only inherits existing drawbacks
• version F.51
  SOFTPAQ NUMBER:  sp38793
  SUPERSEDES:  sp38510
  EFFECTIVE DATE:  March 25, 2008
  DOWNLOAD LINK
  ENHANCEMENTS:
  - Updates the fan-control algorithm for the system to reduce the likelihood of future system issues. The bottom line is that the fan always spins, whereas previously it stopped below 47°C. This manages to considerably cool down the processor.
  - The actual reason, however, is not to cool down the CPU but the GPU due to bricked nVidia GM84 and GM86 chipsets: see here for the explanations by HP and those by The Inquirer
  FIXES:
  - The BIOS “smartness” introduced with BIOS update F.22 Rev. A is reverted. Now C3 state is back available also when AC is plugged in. This enables the laptop to save more energy at an unnoticeable performance slowdown when switching between C states.
  DRAWBACKS:
  - system is more noisy and consumes a little more power (have an idea of how much?), on the other hand it is 10°C cooler.
  - C4 state is still hidden from the OS and linked to C3 state
• version F.53
  SOFTPAQ NUMBER:  sp39158
  SUPERSEDES:  sp38793
  EFFECTIVE DATE:  25 April 2008
  DOWNLOAD LINK
  ENHANCEMENTS:
  - Modifies the thermal policy to lower the local alert temperature.
  FIXES:
  - Fixes an intermittent issue where the notebook does not detect the hard drive when booting.
• version F.57
  SOFTPAQ NUMBER:  sp39541
  SUPERSEDES:  sp39158
  EFFECTIVE DATE:  June 13, 2008
  DOWNLOAD LINK
  ENHANCEMENTS:
  - Adds “Factory installed OS” information
  to the Setup menu.
• version  F.58 REV:  A
  SOFTPAQ NUMBER:  sp39862
  SUPERSEDES:  sp39541
  EFFECTIVE DATE:  July 08, 2008
  DOWNLOAD LINK
  ENHANCEMENTS:
  - Adds support for the AR5007 802.11b/g
  WiFi Adapter.

IF YOU HAVE EXPERIMENTED WITH THOSE BIOS OR HAVE MORE INFO PLEASE DROP A NOTE!