(New) Support for ThinkPad 390X.

• (Fix) (Windows NT) The screen becomes black when the system resumes normal operation from hibernation mode if the system enters hibernation mode by timer.
• (Fix) EPP mode can be set for the parallel port under the Operating System, but the change to the EPP mode is not reflected in the IBM BIOS Setup Utility. The EPP mode works correctly.
• (Fix) (Windows 95, 98, NT) The system can't enter hibernation mode after being in suspend mode if the period of time is set to 30 min.
• (Fix) (Windows 98) The LCD screen stays blank if the external display is disconnected while the system is in suspend mode.
• (Fix) The cursor is not shown after resuming normal operation from suspend mode when all of the following conditions are met, The power-on password is set, the "Suspend/Hibernation while docked" option is disabled in the ThinkPad Configuration program, and the The Port Replicator with Advanced EtherJet Feature is attached.
• (Fix) The system will be shut down, instead of entering hibernation mode, when "Hibernate when battery becomes low" option is enabled, and the system is in suspend mode, then tries to enter hibernation mode when the battery becomes low.
• (Fix) The screen stays blank when "Screen off timer" is activated and then any key is depressed to reset.
• (Fix) (Windows 95, 98) The system may reboot automatically if the LCD panel is closed just before shut down process is complete.

• (New) The IBM Turbo 16/4 Token-Ring PC Card 2 is now supported.
• (Fix) After booting by WOL, the system may hang.
• (Fix) The system will not boot by Wake-On LAN (WOL) because the hard drive is disabled with a ! mark in the Network Startup menu. The hard drive cannot be enabled by pressing the Shift +1 key.

• (New) Support for Windows 2000.
• (New) Power Management Update - enhancement of CPU thermal controls designed to take effect during abnormal or fault conditions of the system.
• (New) Support for Celeron 500MHz.
• (Fix) The 12" LCD model has some garbage on the screen.
• (Fix) After rebooting by 'Flash over LAN' function (BIOS update function via LAN) under the LANClient Control Manager (LCCM) environment, the system may hang.
• (Fix) The password can't be input with the external numeric keypad.
• (Fix) The PC Card(s) in the Port Replicator with Advanced EtherJet Feature does not work when the system resumes normal operation from hibernation mode.
• --- Conforming for new revisions of video chip.
• --- Conforming for a new type of 14.1 inch LCD panel.

(Fix) If all of the following conditions are met, the LCD screen may become blank and no keyboard input will be accepted. The screen will be available if the Fn+F7 keys are pressed several times.

• (Fix) After pressing Fn+F11 keys and then restarting the computer, the system enters the IBM BIOS Setup Utility menu.
• (Fix) LCD off timer does not work after closing and then opening the LCD when "Low Power Standby" and "Power Shutdown" options of Screen Saver in the screen properties are disabled,
• (Fix) (Ethernet model only) Under PXE (Preboot eXecution Environment) boot environment, PXE boot can't be done by Wake on LAN (WOL) function with the default setting of "Network Startup" sequence in IBM BIOS Setup Utility. The setting of "Network Startup" sequence must be manually changed to move "Intel UNDI, PXE-2.0" device at the top order.
• (Fix) The system may hang intermittently at IBM Logo screen.

• (Fix) The system hangs at the IBM Logo screen when restarting if incorrect UUID data is stored.
• (Fix) When the IDT (Independent Display Timing) function for the external monitor option is enabled and the display output is switched several times between the LCD and the external monitor, the screen on the external monitor will shrink. Now the display switching function is disabled when the IDT function is enabled.
• (Fix) In Windows 2000, the display switching function works when the IDT function is enabled or the video output is used.
• (Fix) If the power-on password is set, the mouse cursor may disappear after the system resumes normal operation from suspend mode.
• (Fix) If the system is attached to the Port Replicator with Advanced EtherJet Feature and has 256MB of memory or more, network functions will not work correctly.
• (Fix) When a CD is inserted into the CD-ROM drive, the CD-ROM drive motor may never stop running.
• --- Support for the new CPU stepping (B0).

• (New) Enhancement on password security function.

 
Symptoms corrected by version 0.52 - ISB052WW

• (New) Enhancement on password security function. Refer to the "Installation instructions (especially, >>ATTENTION!!<<)" section for the details.
  
• (Fix) Windows NT 4.0 can not recognize a CardBus Card with Windows 98 dual boot installation.
  
• (Fix) Supervisor password can not override power-on password.

Symptoms corrected by version 0.53 - ISB053WW

• (Fix) After resuming normal operation from suspend mode, Motorola wireless modem intermittently can not communicate with the system.
  
• (Fix) Unattended installation of Windows 2000 via LCCM fails with IBM Turbo 16/4 Token-Ring PC Card.

Symptom corrected by version 0.53WX - ISB053WW

• (Fix) To aid in increasing main battery life.
• (New) Support for Microsoft Windows XP (added)

In order to activate this fix perform the following steps after you complete the BIOS update.

1. Power off the computer.
2. Disconnect the AC Adapter, then remove the battery pack.
3. Wait for five seconds.
4. Insert the battery pack.

These steps need to be completed only once with the System Program Service Diskette version 0.53WX or later. Once you have completed these steps, you will not need to follow these steps for any future BIOS releases.

Symptom corrected by version 0.54 - ISB054WW

• --- A BIOS version number up for customers' tracking purposes.

NOTE: A fix was made to the previous version of this file (version 0.53) in November 2000 to incorporate a new a battery-saving feature. Because this fix affected a different area of code than the BIOS, the BIOS version number did not change at that time.

Since this proved difficult to track, version (0.54) has been released so users can be sure they have the battery saving update from <0.53WX - ISB053WW> installed. No other BIOS functionality change was done in this version. Users who have not updated their BIOS with <0.53WX - ISB053WW> should update to this new BIOS.

Symptom corrected by version 0.55 - ISB055WW

(Fix) Even though the Will not suspend even if LCD is closed option is enabled, the system may enter suspend mode if the system remains inactive for a while after the LCD panel is closed.

Affected configurations
Any ThinkPad 390X system

Solution
Click here to download the latest BIOS update diskette.