Sony PCG-Z505R - Manual (Page 39)

Using PC Cards 29
2
Remove the PC card slot protector.
3 Insert the PC card into the PC card slot, front label facing up. Gently
push the card into the slot until the card is fixed into the connector.
The release button comes out.
✍
Do not force a card into the slot. It may damage the connector pins.
If you have difficulty inserting a card, check that you are inserting the card with the correct
orientation.
See the manual that came with your PC card for more information on its use.
PC card
Insert with the arrow
facing forward.