IBM ThinkPad A20m January 31, 2001 System Program Service Diskette Diskette Version : 1.08 BIOS Version : IWET54WW ====================================================================== Notice: ------- This program is language independent and can be used with any language system. What This Diskette Does ----------------------- This System Program Service Diskette updates the system BIOS program stored in the ThinkPad system to fix problems, add new functions, or expand functions as noted below. This release supports the following systems: - ThinkPad A20m 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 Summary of Changes ------------------ Key: Diskette 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. 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 kinds of Docking station or port replicator, turn off the computer and detach it before proceeding. - Make sure the SPSD diskette is write protected. - Check embedded controller version number by invoking the IBM BIOS Setup Utility or run ThinkPad Configuration from operating system, and select the System Information button. 1. Print these instructions or display on another computer. 2. Firmly connect the AC adapter to the computer. 3. Insert the System Program Service Diskette into the diskette drive and turn on the computer. 4. Select Read this first from the menu and carefully read the information that appears. 5. Press the Esc key to return to the menu. 6. Select Update system program and follow the instruction on the screen. 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 effective. 7. Make sure there is no diskette in the diskette drive, then turn off the computer. 8. Turn on the computer. 9. While the "Press F1 for IBM BIOS Setup Utility" message is displayed at the lower-left area of the screen, press F1 key. The IBM BIOS Setup Utility menu will be displayed. If a password prompt appears, type the correct password. 10.Press the F9 key to load default configuration. 11.Select Yes. 12.Press the F10 key to save default configuration. 13.Select Yes. The system will restart automatically. BIOS Information ---------------- Each version of the System Program Service Diskette contains the following system program (BIOS). The BIOS Version and the date as well as the Embedded controller version number can be viewed by running ThinkPad Configurator from your operating system and selecting the System Information button or by invoking IBM BIOS Setup Utility. 1. Make sure there is no diskette in the diskette drive, then turn off the computer. 2. Turn on the computer. 3. While the "Press F1 for IBM BIOS Setup Utility" message is displayed at the lower-left area of the screen, press F1 key. The IBM BIOS Setup Utility menu will be displayed. If a password prompt appears, type the correct password. 4. The BIOS version and date are displayed on the first screen of the IBM BIOS Setup Utility. Diskette 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 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) Trademarks ---------- * IBM and ThinkPad are trademarks of IBM Corporation in the United States. * Windows is a trademark 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.