IBM ThinkPad S30 Hardware Maintenance Manual page 38

3. Remove the HDD/FPC bracket.
4. Disconnect the IDE connector from the system board
and remove the hard disk drive.
Size
Step (Quantity)
2 M2.0 x 4L (1)
Note: Make sure you use the correct screw for replacement.
34
ThinkPad s30, s31
Head & Color
Flat head, black
Torque
2.0 kgf-cm