IBM 2621421 Hardware Maintenance Manual - Page 63

Fn Key Combinations, Writing the VPD Data

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1. Boot from the Utility Program Diskette. 2. Select Thermal Sensor Utility from PC DOS 7.0 Startup menu. 3. Follow the instructions on the screen to set the thresholds. Writing the VPD Data: The EEPROM on the System board contains the vital product data (VPD) - that is, a system unit serial number and a System board serial number. When you replace the System board, restore the system unit serial number using the VPD Data Utility. The serial number label is attached to the computer. Edit the batch file in the diskette A:\active.bat VPD_BUILDID VPD_BOXSERIAL VPD_PLANARSERIAL Fn Key Combinations The following table shows the Fn key and function key combinations and their corresponding functions. The Fn key works independently of the operating system. The operating system obtains the status through the system management interface to control the system. Fn + F1 F2 F3 F4 F5-F8 F9 F12 Home End Result The ShortCut Keys Utility program appears. The ShortCut Keys Utility defines all Fn key functions as well as ShortCut keys that can be customized. The Power Management Properties window appears. The computer blanks the screen to save power. The computer enters standby mode. These are customizable ShortCut Keys. Use the ShortCut Keys Utility (Fn+F1) to choose programs or files to launch with the customized ShortCut key. The display output location changes. The computer enters hibernation mode. The screen brightness increases. The screen brightness decreases. ThinkPad i Series 1400 (Part I) 55

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1.
Boot from the Utility Program Diskette.
2.
Select Thermal Sensor Utility from PC DOS 7.0
Startup menu.
3.
Follow the instructions on the screen to set the
thresholds.
Writing the VPD Data:
The EEPROM on the
System board contains the vital product data (VPD) — that
is, a system unit serial number and a System board serial
number. When you replace the System board, restore the
system unit serial number using the VPD Data Utility. The
serial number label is attached to the computer.
Edit the batch file in the diskette A:\active.bat
±
VPD_BUILDID
±
VPD_BOXSERIAL
±
VPD_PLANARSERIAL
Fn Key Combinations
The following table shows the Fn key and function key
combinations and their corresponding functions.
The Fn key works independently of the operating system.
The operating system obtains the status through the
system management interface to control the system.
Fn +
Result
F1
The ShortCut Keys Utility program appears.
The
ShortCut Keys Utility
defines all Fn key
functions as well as ShortCut keys that can be
customized.
F2
The Power Management Properties window
appears.
F3
The computer blanks the screen to save power.
F4
The computer enters standby mode.
F5–F8
These are customizable ShortCut Keys. Use the
ShortCut Keys Utility (Fn+F1) to choose pro-
grams or files to launch with the customized
ShortCut key.
F9
The display output location changes.
F12
The computer enters hibernation mode.
Home
The screen brightness increases.
End
The screen brightness decreases.
ThinkPad i Series 1400 (Part I)
55