IBM ThinkPad A20m September 05, 2003 ThinkPad BIOS Update Utility Program Version : 1.13 BIOS Version : 1.13 (IWET59WW) ====================================================================== Notice: ------- This program is language independent and can be used with any language system. What This Package Does ---------------------- The ThinkPad BIOS Update Utility given here can update the system program stored in the ThinkPad system to fix problems, add new functions, or expand functions. This release supports the following systems: - ThinkPad A20m The supported operating systems are as follows: - Windows 95 - Windows 98 and 98 Second Edition - Windows Me - Windows 2000 - Windows NT 4.0 with Service Pack 3 or later - Windows XP To determine if you have to update the system program or not, refer to the "Summary of Changes" section. To update the system program, refer to the Installation instructions section. Released Versions ----------------- Version 1.03 (IWET47WW) Initial Release Version 1.04 (IWET48WW) A fix for some problems Version 1.05 (IWET50WW) Windows Me support Version 1.06 (IWET51WW) A fix for some problems Version 1.07 (IWET52WW) A fix for a problem Version 1.08 (IWET54WW) A fix for some problems Version 1.09 (IWET55WW) A fix for some problems Version 1.10 (IWET56WW) Windows XP support Version 1.11 (IWET57WW) Function update Version 1.12 (IWET58WW) A fix for some problems Version 1.13 (IWET59WW) A fix for some problems Summary of Changes ------------------ Key: Program Version (for example, 1.00 means Version 1.00) (New) New Function or Enhancement (Fix) Correction to existing function <1.03 - IWET47WW> - (New) Support for ThinkPad A20m. <1.04 - IWET48WW> - (Fix) A blue screen appears on Windows 95/98 when disabling a serial port or IR port from Device Manager or from the ThinkPad Configuration program. - (Fix) The Wake On LAN feature does not work. - (Fix) A slight noise is heard with Windows 2000 systems in standby mode. - (Fix) When the system is connected to a docking station which contains a hard disk drive and a EtherJet PC Card, the system will hang when entering suspend mode. <1.05 - IWET50WW> - (New) Windows Me support. - (New) Date/Time in BIOS Setup is protected by Supervisor Password. - (New) Return the max CPU speed in SMBIOS "Currrent Speed" field of Processor Information (Type 4). - (New) Intel Pentium-III C0 Step support. - (Fix) CMOS Test of PC-Doctor fails. - (Fix) CMOS error is not displayed. - (Fix) No display appears on LCD even after hot-undocking from a docking station which has the external display. - (Fix) Resume failure when "Hibernate when battery becomes low" is enabled. <1.06 - IWET51WW> - (New) Add a 'Lock BIOS settings' menu to BIOS setup. - (Fix) Cannot select a boot device by F12 option when a supervisor password is set. - (Fix) A supervisor cannot update flash BIOS when 'Flash BIOS Updating by End-Users' is disabled in BIOS setup menu and a supervisor password is set. - (Fix) A system enters full-suspend mode with some network PC-cards on Windows NT4. It sometimes causes network failure after resume from suspend. - (Fix) Some PCI video cards in docking station do not work after Ctrl+Alt+Del. - (Fix) HDD indicator LED sometimes stays on after hibernation wakeup on Windows NT4. - (Fix) System fails to wake up from S4(hibernation) by remote wakeup on Windows Me. - (Fix) The serial port is disabled after hibernation wakeup on APM OS. - (Fix) Intermittent hibernation failure. <1.07 - IWET52WW> - (Fix) The screen does not come up by opening LCD, when "Will not suspend even if LCD is closed" option is enabled. <1.08 - IWET54WW> CAUTION for users with the Intel/Xircom MiniPCI combo cards: This BIOS version will only work with Intel Boot Agent(IBA) 4.0 or later for WakeOnLan(WOL) based remote installations. If you plan to do remote installations with IBA versions prior to 4.0, then you must use a previous BIOS version to 1.07. Failure to do so may cause the ThinkPad system to hang. - (New) Modified SMBIOS Type 3 to report AssetNumber in EEPROM User Asset Data under the "Asset Tag Number" field. - (Fix) POST 188 error. - (Fix) POST 189 error. - (Fix) Reboot from BIOS-call causes system hang. - (Fix) Access to CD-ROM in docking station becomes slow after resume from suspend on Windows 98. - (Fix) The system can't boot from a hard disk drive with partition ID of n5h where n is 1 or greater. <1.09 - IWET55WW> - (New) Add SuperDisk Boot disable selection to allow SuperDisk drive to be assigned fixed letter. - (Fix) Fn+F7 does not work after undocking from Port Replicator or detaching external CRT. - (Fix) Memory size and HDD size in AssetID EEPROM are incorrect. - (Fix) Sometimes there is no display on the LCD after you open the LCD lid without an external display. - (Fix) "PCI Power Management" setting is disabled after suspend/resume on Windows Me and Windows 2000. - (Fix) DMA channel of ECP parallel port may not be available on Windows Me and Windows 2000. - (Fix) System may restart automatically when wake up from hibernation on Windows 95. <1.10 - IWET56WW> - (New) Windows XP support - (New) Improved resume speed on Windows Me and Windows 2000. - (New) Add F1 prompt message display disable selection. - (Fix) 0175 POST error occur. - (Fix) If ECP mode is selected, parallel port does not work after resume from standby state on Windows Me and Windows 2000. - (Fix) If Alert On LAN 2 is enabled, sometimes file transfer through network fails. - (Fix) No display came upon LCD when a lid opened after undocked from a ThinkPad Dock or a Portriplicator with an external monitor.(Windows 2000) <1.11 - IWET57WW> - (New) Improved CPU thermal control. <1.12 - IWET58WW> - (Fix) POST 175 error may occur if system is powered off during POST. - (Fix) Password prompt appears if the user performs a reboot after suspend/resume on ACPI OS. - (Fix) POST hang may occur if CMOS value is incorrect. - (Fix) Operating system install using Remote Deployment Manager (RDM = LCCM) may cause the system to hang. - (Fix) The password is required twice if the user presses the F1 key when the password prompt appears - (Fix) Dock/undock operation on Windows 98 may cause system freeze if the DVD/CD-RW combo device is installed in the docking station. - (Fix) If the hibernation file structure is special, hibernation wakeup may cause the system to hang. - (Fix) Time the system waits for the command to stop the HDD spindle motor during system power down is not enough. - (Fix) If the supervisor password is enabled, disabling the Legacy Floppy Devices option from the BIOS setup startup menu does not work properly. - (Fix) Wake from hibernation may cause the system to hang if the supervisor password is installed and BIOS update diskette is inserted. - (Fix) 8th wrong character is accepted as resume password in Windows. <1.13 - IWET59WW> - (New) Added a BIOS option to disable built-in network card ROM using upper 640KByte location. (Some network card features will be disabled) - (New) Improve security related process. - (Fix) If Lid close action beep is enabled, LCD close during OS boot may cause continuous beep. - (Fix) (Windows98) Error message appears on 2nd hibernation wakeup with New USB Memory Key. - (Fix) Hibernation swap area destroys POST work area. - (Fix) Fix the incorrect setting of PCI IRQ routing in docking station CardBus controller. Installation Instructions ------------------------- NOTES: - You need an AC adapter and a charged battery pack to update the system program. - If your computer is attached to any kind of port replicator, turn off the computer and detach it before proceeding. - Before using this BIOS Update Utility with Windows 98 Second Edition, IBM recommends applying the Windows 98 Second Edition Shutdown Supplement from the Microsoft Web site Knowledge Base Article ID Q239887. 1. Print these instructions or display on another computer. 2. Firmly connect the AC adapter to the computer. 3. Start a supported version of Windows on the target computer. 4. Make the temporary directory on the hard disk drive (for instance, C:\Temp) 5. Download the ThinkPad BIOS Update Utility from the web site and store the file into the temporary directory. 6. Click Start and then click Run. 7. In the Open dialogue box, specify the utility filename with the full path name where you stored ThinkPad BIOS Update Utility. (E.g. C:\Temp\filename.exe) Then press the Enter key. 8. Follow the instructions. 9. When completed, the system is automatically turned off. WARNING: Do not turn off or suspend the computer until the update has been completed. If you turn off or suspend the computer while the update is still in progress, the system board may have to be replaced. After the update has been completed, do the following to make the changes effecive. 10.Make sure there is no diskette in the diskette drive and then turn on the computer. 11.While the "Press F1 for IBM BIOS Setup Utility" message is displayed at the lower-left area of the screen, press the F1 key. The IBM BIOS Setup Utility menu will be displayed. If a password prompt appears, type the correct password. 12.Verify the BIOS version and date. 13.Press the F9 key to load default configuration. 14.Select Yes. 15.Press the F10 key to save default configuration. 16.Select Yes. The system will restart automatically. Unattended Installation: 1. Follow the same instructions above from step 1 to step 6. 2. Specify filename with the full path name where you stored ThinkPad BIOS Update Utility with options -s -a -s (For example, C:\Temp\IWUJ10US.EXE -s -a -s) and then press the Enter key. Windows will be shut down automatically. The system BIOS program is updated without any user interaction. BIOS Information ---------------- Each version of the ThinkPad BIOS Update Utility contains the following system program (BIOS). The BIOS Version and the date can be viewed by invoking IBM BIOS Setup Utility. Embedded controller version number can be viewed by running ThinkPad Configurator from your operating system and select System Information from the Help menu or System Information button. Embedded controller information can also be found by invoking IBM BIOS Setup Utility. Program BIOS BIOS Embedded controller Version Version Date Version -------- -------- ---------- ------------------- 1.03 IWET47WW 1999-12-21 1.00 1.04 IWET48WW 1999-12-21 1.00 1.05 IWET50WW 1999-12-21 1.00 1.06 IWET51WW 1999-12-21 1.00 1.07 IWET52WW 1999-12-21 1.00 1.08 IWET54WW 1999-12-21 1.00 1.09 IWET55WW 1999-12-21 1.00 1.10 IWET56WW 1999-12-21 1.00 1.11 IWET57WW 1999-12-21 1.00 1.12 IWET58WW 1999-12-21 1.00 1.13 IWET59WW 1999-12-21 1.00 Memory information ------------------ The following information shows memory areas that are either unavailable or that can be included with a memory manager such as EMM386. Reserved BIOS Area: C0000-CFFFF (reserved for Video BIOS) E0000-FFFFF (reserved for BIOS) Known Limitations ----------------- 1. To execute this package on Windows 95, the following modules are required: - MSVCRT.DLL - MFC42.DLL Trademarks ---------- * IBM, ThinkPad, and AssetID are trademarks of IBM Corporation in the United States. * Windows and Windows NT are trademarks of Microsoft Corporation. * Intel and Pentium are trademarks of Intel Corporation. Other company, product, and service names may be registered trademarks, trademarks or service marks of others.