IBM ThinkPad T20 April 23, 2002 System Program Service Diskette Version 1.19 (IYET58WW) ====================================================================== 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 system: - ThinkPad T20 To determine if you have to update the system program, refer to the Summary of Change section. To update the system program, refer to the Installation instructions section. Released Versions ----------------- Version 1.02 (IYET36WW) Initial Release Version 1.03 (IYET37WW) A fix for some problems Version 1.06 (IYET42WW) Windows Me support Version 1.07 (IYET43WW) A fix for a problem Version 1.08 (IYET45WW) A fix for some problems Version 1.09 (IYET46WW) A fix for some problems Version 1.10 (IYET49WW) A fix for some problems Version 1.11 (IYET50WW) A fix for some problems Version 1.12 (IYET52WW) A fix for some problems Version 1.13 (IYET53WW) A fix for some problems Version 1.14 (IYET54WW) Improved support for the Ultraport Version 1.16 (IYET56WW) A fix for some problems Version 1.17 (IYET57WW) Windows XP support Version 1.18 (IYET57WW) Improved thermal control measures Version 1.19 (IYET58WW) Function update and a fix for some problems Summary of Changes for BIOS --------------------------- Key: Diskette Version (for example, 1.00 means Version 1.00) (New) New Function or Enhancement (Fix) Correction to existing function <1.02 - IYET36WW> - (New) Support for ThinkPad T20. <1.03 - IYET37WW> - (Fix) A blue screen appears in Microsoft Windows 95/98 when disabling a serial port or IR from the Device Manager or the ThinkPad Configuration program. - (Fix) The Wake On LAN feature does not work. - (Fix) Memory read failure may occur in Microsoft Windows NT 4.0 when two 256MB memory cards are installed. - (Fix) A small noise is heard when Microsoft Windows 2000 is in standby mode. - (Fix) Hang up at suspend on a docking station with HDD and EtherJet PC Card installed in the docking station. <1.06 - IYET42WW> - (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) Intermittent Windows 98 trap-06 blue screen at hot dock/undock. <1.07 - IYET43WW> - (Fix) PC-card Plug & Play does not work on Windows 95. <1.08 - IYET45WW> - (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 and OS/2. It sometimes causes network failre 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 hinernation wakeup on Windows NT4. - (Fix) System temperature becomes too high. <1.09 - IYET46WW> - (Fix) Fn key features don't work after wakeup from hibernation while a ThinkPad docks to a docking station without CD-ROM drive in both ultrabay 2000. - (Fix) Resuming from screen off state needs pressing a key two times. (Windows Me and Windows 2000) - (Fix) A hard disk password is requested after warm docking to a docking station which has a HDD adapter without a hard disk drive in its ultrabay 2000. - (Fix) Hang up occurs when suspend/resume is done on a ThinkPad with HDD adapter without a hard disk drive in ultrabay 2000. - (Fix) ACPI compatible Linux hangs up at boot timing. - (Fix) System shutdown takes long time under Windows98 after hot-remove from the docking station with a SuperDisk drive in ultrabay 2000. - (Fix) CD-ROM staies accessing after wakeup from hibernation. - (Fix) Reboot from BIOS-call causes system hang. <1.10 - IYET49WW> ((CAUTION)) This version only work with Intel Boot Agent(IBA) 4.0 or later on WOL based remote installation. If you plan remote installation without IBA 4.0, please use previous version(1.09). Or ThinkPad T20 will hung up on boot. - (New) Modified SMBIOS Type 3 to report AssetNumber in EEPROM User Asset Data under the Asset Tag Number field. - (Fix) Some Matrox video card does not work. - (Fix) POST 188 error. - (Fix) POST 189 error. - (Fix) BIOS HDD off timer is still working on WindowsMe/2000. - (Fix) Parallel FDD is not detected after undock. - (Fix) Systemm can't boot from a hard disk with partition ID of n5h.(n is 1 or greater) <1.11 - IYET50WW> - (New) BIOS Copyright text is changed - (Fix) Normal power-on without AC power with 3Com Mini-PCI installed goes WOL mode. - (Fix) RI resume from PC-Card modem can not be disabled on Windows 98. <1.12 - IYET52WW> - (New) BIOS Copyright text is changed - (New) Add SuperDisk Boot disable selection to allow SuperDisk drive to be assigned fixed letter. - (New) Add F1 prompt message display disable selection. - (Fix) Cannot boot from CD-ROM when CD-ROM follows network boot in boot order. - (Fix) Suspend/Resume after attaching 2nd HDD with Hard disk password cause system hang. - (Fix) PCI clock run setting is disabled after suspend/resume on Windows Me and Windows 2000. - (Fix) When system attached to docking station which has IDE device in it, eject of IDE device in ultrabay 2000 cause system hang under Windows Me and Windows 2000. - (Fix) PC card is sometimes configured abnormally during POST. - (Fix) System may restart automatically when wake up from hibernation on Windows 95. - (Fix) DMA channel of ECP parallel port may not be available on Windows Me and Windows 2000. - (Fix) Wording of PCI IRQ setting in BIOS setup is misleading. - (Fix) Screen is blackout even if LID is opened after boot with LID close. - (Fix) Save Changes and then power off can not keep the change of setting. - (Fix) If 3.3V 16bit PC card is attached, POST takes 3 seconds longer. - (Fix) Device which attached to UltraPort does not work after reboot under Windows Me and Windows 2000. - (Fix) Screen is not displayed to external display after undocking under Windows Me and Windows 2000. <1.13 - IYET53WW> - (Fix) Screen is not displayed to external CRT after warm docking. <1.14 - IYET54WW> - (New) Improved support for the UltraPort. - (Fix) Distortion appear with external monitor at 1600x1200 resolution. - (Fix) FDD media which is inserted in the docking station ultra bay 2000 may be broken when system enter suspend. <1.16 - IYET56WW> - (Fix) Power state of UltraPort devices from IBM after wakeup is always OFF. - (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) PC-Doctor 3D engine test cause system hang. <1.17 - IYET57WW> - (New) Windows XP support - (New) Improved resume speed on Windows Me and Windows 2000. - (Fix) If Alert On LAN 2 is enabled, sometimes file transfer through network fails. <1.18 - IYET57WW> - (New) Improved thermal control measures <1.19 - IYET58WW> - (New) Enhance BIOS image data integrity at flash update. - (New) 2002 is added to BIOS Copyright text. - (New) Improved thermal control. - (Fix) Netfinity utility does not work on OS/2. - (Fix) Some HDD partition information causes boot failure. - (Fix) OS install using Remote Deployment Manager (RDM = LCCM) cause system hang. - (Fix) Password is required twice if user press F1 key when password prompt appear. - (Fix) If system is turned off immediately during first power on process, it may cause power on hang at next time. - (Fix) Dock/undock operation on Windows 98 cause system freeze if DVD/CD-RW combo device is installed in docking station. - (Fix) If hibernation file structure is special, hibernation wakeup cause system hang. - (Fix) System did not wait long enough for the command that stops the HDD spindle motor during a system power off. - (Fix) If supervisor password is enabled, disabling Legacy Floppy Devices in BIOS setup startup menu does not work properly. 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 docking station or port replicator, turn off the computer and detach it before proceeding. 1. Print these instructions or display on another computer. 2. Firmly connect the AC adapter to the computer. 3. Insert the write protected 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 and then turn on the computer. 8. 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. 9. Verify the BIOS Version and date. 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. The BIOS version, date and Embedded controller version are displayed on the first screen of the IBM BIOS Setup Utility. Diskette BIOS BIOS Embedded controller Version Version Date Version -------- -------- ---------- ------------------- 1.02 IYET36WW 1999-12-21 1.00 1.03 IYET37WW 1999-12-21 1.00 1.06 IYET42WW 1999-12-21 1.00 1.07 IYET43WW 1999-12-21 1.00 1.08 IYET45WW 1999-12-21 1.00 1.09 IYET46WW 1999-12-21 1.00 1.10 IYET49WW 1999-12-21 1.00 1.11 IYET50WW 1999-12-21 1.00 1.12 IYET52WW 1999-12-21 1.00 1.13 IYET53WW 1999-12-21 1.00 1.14 IYET54WW 1999-12-21 1.03 1.16 IYET56WW 1999-12-21 1.03 1.17 IYET57WW 1999-12-21 1.04 1.18 IYET57WW 1999-12-21 1.05 1.19 IYET58WW 1999-12-21 1.05 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-CBFFF (reserved for Video BIOS) E0000-FFFFF (reserved for BIOS) Trademarks ---------- * IBM and ThinkPad are trademarks of IBM Corporation in the United States. * Windows and Windows NT are trademarks of Microsoft Corporation. Other company, product, and service names may be registered trademarks, trademarks or service marks of others.