Lenovo G530 - Manual (Page 47)

Chapter 3. Using external devices
39
Attention:
When using a high power consumption USB device such as USB ODD, use
an external device power adapter to avoid possible system shut down.
Connecting an ExpressCard device - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Your computer comes with an ExpressCard* slot used for connecting
ExpressCard devices.
* Only use the ExpressCard/54 module.