Sony Vaio VPCSA Series Service Manual page 23

4-3 Holding Method of Motherboard
1. When operating with both hands, gently hold the middle of Main board edge as show w.
2. When operating with one-hand, gently hold the middle of Main board edge and keep vertical.
(Level)
(Vertical)
[Sony Confidential]
4- -3
VPCSA/SB/SC/SD Series (9-890-819-XX)
(EN ND)