How do I confirm that my expansion card is detected by the Mac OS?

To confirm that the Mac OS detects your expansion card, complete the following: Click the Apple icon. Click About This Mac . Click More Info or System Report . Under the appropriate heading, confirm that your expansion card is listed and that there isn't an error. For example, a network card would be under Ethernet Cards . Your expansion card is listed according to the name of the chipset. To determine the name of the chipset of your expansion card, navigate to www.StarTech.com and look on the Technical Specifications tab for your product.