Sony PCV-MXS20 - Manual (Page 19)

Additional System Capabilities
19
4 When the message “Safe to Remove Hardware” appears, push the PC card
Eject button on the front panel of the system unit. You may need to extend
the Eject button out from the computer before you can eject the card.
5 When the PC card ejects from the PC card slot, remove it by holding the
edges and pulling it out carefully.
✍
If you eject the PC card incorrectly, your computer may not work correctly.