Statement of Limited Warranty

Warranty period ThinkPad R30, R31 Series System Hardware: 1 years System Battery: 1 year

System status indicators

Index number LED indicator LED indicator color LED indicator meaning 1 Drive in use Green Data is being read from or written to the hard disk drive. Do not enter standby mode or power off the computer when this indicator is on. 2 Numeric lock Green The numeric keypad on the keyboard is enabled. You enable or disable the keypad by pressing and holding the Shift key, and pressing the NumLk key. 3 Caps lock Green Caps Lock mode is enabled. All alphabetic characters (A - Z) are entered in capital letters without the Shift key being pressed. You enable or disable the Caps Lock mode by pressing the Caps Lock key. 4 Scroll lock Green Scroll Lock mode is enabled. The Arrow keys can be used as screen-scroll function keys. The cursor cannot be moved with the Arrow keys. Not all application programs support this function. You enable or disable Scroll Lock mode by pressing the ScrLk key. 5 Power on Green The computer is operational. This indicator is on when the computer is on. 6 Battery status Green Enough battery power remains for operation. Blinking green The battery power charges up to 80 percent full power Blinking orange The battery pack needs to be charged Orange The battery pack is being charged. 7 Standby mode Green The computer is in standby mode

Function keys

Key combination Function Fn+F3 Display off Fn+F4 Sleep button Fn+F7 Switch display output location. Fn+F8 Display expansion Fn+F12 Hibernation Fn+PageUp ThinkPad light Fn+Home Brightness up Fn+End Brightness down

Front view

Bottom view

1 Docking connector 2 Memory slot door 3 PC card slot 4 Stereo headphone jack 5 Microphone jack 6 Hard disk drive 7 Mini-PCI Card slot door 8 Infrared port 9 LCD latches 10 Built-in speakers 11 Battery pack 12 Battery pack latch