IBM 2626, 2627 Backup Battery (RTC), Keyboard

Step Size (Quan- tity) Head & Color Torque
1 M2 x 18L (1) Pan head,
black 2.0kgf-cm
Note: The screws do not separate from the modem board
cover.
Backup Battery (RTC)
“Battery ASM” on page 49
“Modem Card” on page 53
Warning
The lithium battery can cause a fire, explosion, or severe
burn. Do not recharge it, remove its polarized connector,
disassemble it, heat it above 100°C (212°F), incinerate it,
or expose its cell contents to water. Dispose the battery
as required by local ordinances or regulations. Use only
the battery in the appropriate parts listing. Use of an incor-
rect battery can result in ignition or explosion of the
battery.
Use your thumb first to pull out the backup battery (RTC).
Keyboard
“Battery ASM” on page 49
“Hard Disk Drive” on page 49
To remove the keyboard:
1. Use a flat-bladed screwdriver to release the latches to
lift the middle cover away.
54 ThinkPad 390/i Series 1700