A sound card is a specialized piece of hardware which helps process the input or output of audio in a computer. Intel's 82801GBM ICH7-M is one such sound card. This card supports high definition sound on computers. For a sound card to work, one needs to have the relevant driver installed on the computer. These drivers vary depending on the version of Windows in use. This driver for Intel's 82801GBM ICH7-M can be easily downloaded from the internet. Locate the driver for the mobile Intel express chipset in Intel's support section. Select operating system and move to the next page to open download driver 2 (2455KB) to your system and install it.