![background image](http://html1.mh-extra.com/html/ibm/2635/2635_hardware-maintenance-manual_3821289065.webp)
Running a Low-Level Format
Attention: Make sure the drive address to be formatted is
correct. This procedure erases all information on the disk.
Do the following to format the hard disk:
1. Turn off the computer.
2. Insert the ThinkPad Hardware Maintenance
Diskette Ver 1.40 or later into diskette drive A and
turn on the computer.
3. Select Format the hard disk from the main menu.
4. Select the drive from the menu.
5. Follow the instructions on the screen.
Maintenance Diskette Download
You cannot get the maintenance diskette from the parts
center, but you can download from the IBM internal web
site.
The following is the URL of the IBM internal Web site:
http://pccbbs.raleigh.ibm.com/
Fn Key Combinations
The following table shows the Fn key and function key
combinations and their corresponding functions.
The Fn key works independently from the operating
system. The operating system obtains the status through
the system management interface to control the system.
Fn
+
Description
F1
Reserved
F2
Fuel-Gauge monitor on or off
F3
Standby mode invocation
F4
Suspend mode invocation
F5
Reserved
F6
Reserved
F7
Switching between the LCD and an external
monitor
F8
Switching between the screen expansion is
on and off (no symbol on the key)
F9
Reserved
F10
Reserved
F11
Switching the power management mode
(High Performance, Automatic, and
Customized)
F12
Hibernation invocation
IBM ThinkPad 380XD, 385XD (2635)
57
All manuals and user guides at all-guides.com