Revision History K01 ROM Family Models Supported: HP Compaq 8300 Elite Convertible Mini Tower (CMT) Desktop PC HP Compaq 8300 Elite All in One (AiO) Desktop PC HP Compaq 8300 Elite Small Form Factor Desktop PC HP Compaq 8300 Elite Ultra-Slim Desktop (USDT) PC HP Compaq 6300 Pro All in One (AiO) Desktop PC HP Compaq 6300 Pro Small Form Factor Desktop PC Version 3.04 *** ALERT *** ALERT *** ALERT *** If upgrading from a v02.xx to this version, v03.xx, the user MUST FIRST FLASH TO v02.99. If not, upgrading to v03.xx will be rejected. - Added Security Update. PCR 0 : 187cccdffaf598b5bb71a10533415f7c6f42320d Version 3.03 *** ALERT *** ALERT *** ALERT *** If upgrading from a v02.xx to this version, v03.xx, the user MUST FIRST FLASH TO v02.99. If not, upgrading to v03.xx will be rejected. *** ALERT *** ALERT *** ALERT *** - Fixed F10 "BIOS Power On" issue where TIME was not getting saved unless cursor (focus) remained on TIME setting in F10 menu. PCR 0 : 54b3e3ee5c61c085aab7905b395aec700576d6f3 Version 3.02 *** ALERT *** ALERT *** ALERT *** If upgrading from a v02.xx to this version, v03.xx, the user MUST FIRST FLASH TO v02.99. If not, upgrading to v03.xx will be rejected. *** ALERT *** ALERT *** ALERT *** - Implemented Roll Back prevention. - Added improved Security Updates. *** ALERT *** This release improved Security Updates implementation. HP strongly recommends promptly transitioning to this BIOS version. Due to security changes, after this BIOS update has been installed, previous BIOS versions cannot be reinstalled. - Fixed issue where TPM was enabled without Setup Password enabled. – Fixed issue where AMT Enable was getting grayed in F10 when not properly provisioned. - Fixed Wake On LAN (usually wake by magic packet) to Disable (BIOS) Fast Boot so Remote Wakeup Boot Source will execute. - Fixed BiosConfigUtility in setting Legacy and UEFI Boot Sources. - Fixed the Master Boot Record Security in F10 Menu and to allow MBRBackup to be updated. - Updated the BIOS Power On support. - Updated USB support. PCR 0 : d14e9baf581e422ab48ff65cb9c2adb185ba201b Version 2.99 - This allows the customer to flash to the next Major Version v3.xx. *** ALERT *** This BIOS is to be used to allow the customer to flash to the next Major Version of the BIOS, v3.xx. The customer cannot flash from previous versions, v2.98 or earlier to v3.xx, without first flashing v2.99 onto the system. If the customer needs to flash back from v3.xx to an earlier v2.xx, this can occur. However, to flash to v3.xx, v2.99 MUST be flashed first, as previously stated. PCR 0 : 8ce2f75bfaf697897c87814c178f538d76fea107 Version 2.98 - Flash Back Restrictions to previous BIOS versions. *** ALERT *** This BIOS includes critical updates. Once the system is updated to this version, rollback to previous versions is restricted. This restriction also applies to BIOS recovery files. - Added UEFI and UEFI Variables security update. - Fixed for AMT Watchdog Timers when disabled in F-10 the timers are no longer active. - Fixed the Boot Order status and sequence listed in CPQSetup.txt to be the same as in F10 Menu, Setup. - Fixed the possible TXT/TPM issue in F10 Menu where both TXT and TPM options could be greyed-out in the F10 Setup. - Fixed intermittent S3 hang during the resume cycle. - Fixed the Boot Order displaying incorrectly in F10=Setup when the Network Controller is Disabled. - Fixed the TPM1.2 device not being accessible in Device Manager and TPM.MSC after resetting the TPM. PCR 0 : 271d2681082bd604e3ae1e0770996c757d143136 Version 2.85 - Fixed an issue with OS activation when downgrading to Windows 7 using HP System Software Restore Disks. - Fixed an issue where the Advanced Diagnostics could report 'not supported' for a few subtests. Version 2.83 - Initial BIOS version for Windows 8 systems. BIOS version numbers less than 2.80 do not include support for Windows 8 features. * NOTE: Downgrading the BIOS to versions before v2.83 is not allowed if Secure Boot is enabled. Windows 8 new BIOS features such as Legacy Support disable, Secure Boot and Fast Boot are not supported on lower numbered BIOS versions. * Version 2.56 - Added support for Stringent Password option (Windows 7 BIOS only). - Added a new option ("Disable USB") to the F10 Setup / Storage Options / Removable Media Boot setting, which prevents booting from USB devices regardless of the boot order settings (Windows 7 BIOS only). - Fixed an issue with the F10 Setup user interface for Boot Order, where making more than one change at a time could cause other unexpected boot order changes. - Corrected the System Management BIOS type 1 data field for 'Wakeup Type' to properly display 'Remote' when the system is powered on by a Wake-on-LAN event. Version 2.53 - Adds support for models without microphone and speakers. - Fixes an issue with button retasking on AIO systems. - Fixes REPSETUP support for disabling Front USB ports on AIO systems. Version 2.51 - Initial BIOS version for All-in-One (AIO) systems. Earlier BIOS versions are not supported for AIO. - Added non-English keyboard mapping for F10 Setup System ID strings (Asset Tag and Ownership Tag). - Fixed an issue where applying defaults with a setup password present incorrectly sets the integrated graphics to enabled, when the primary graphics is a PCI Express card. The normal setting is disabled, except for ultra-slim form factors. - Fixed an issue with AMT console connections to F10 Setup not properly initializing admin mode. - Corrected F10 Setup restriction on disabling features required for the Trusted Execution Technology (TXT) when the feature is enabled. - Fixed POST support for USB keyboards when USB port security locks all ports. Version 2.05 - Initial system BIOS release