OmniBook 530 Figure 2 - OmniBook 530 Features 1. Latch 12. Serial port connector 2. Display 13. Parallel port connector 3. Keyboard 14. VGA output connector 4. Card slots 15. System slots 5. Card-eject levers 16. Memory-expansion slot 6. On/Off key 17. Modem port 7. Mouse 18. Battery compartment 8. Mouse-eject button 19. Security ring 9. Display contrast buttons 20. Infrared port 10. Speaker 21. Reset button 11. AC adapter socket 3