4.22 Sub Fan 4 Replacement Procedures
Installing the Sub Fan
To install the sub fan board, follow the steps below and refer to figures 4-32.
1. Place the sub fan.
2. Pass the sub fan cable in the hole of the chassis.
3. Secure the sub fan with the following screws.
• M2.5×6 FLAT HEAD screw ×2
Satellite A20 Maintenance Manual (960-444) 4-59