<Table> <Tr> <Td> </Td> <Td> This article may require cleanup to meet Wikipedia's quality standards . No cleanup reason has been specified . Please help improve this article if you can . (January 2012) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article may require cleanup to meet Wikipedia's quality standards . No cleanup reason has been specified . Please help improve this article if you can . (January 2012) (Learn how and when to remove this template message) </Td> </Tr> <P> In computer hardware, a host controller, host adapter, or host bus adapter (HBA) connects a computer, which acts as the host system, to other network and storage devices . The terms are primarily used to refer to devices for connecting SCSI, Fibre Channel and SATA devices . However, devices for connecting to IDE, Ethernet, FireWire, USB and other systems may also be called host adapters . </P> <P> The term network interface controller (NIC) is more often used for devices connecting to computer networks, while the term converged network adapter can be applied when protocols such as iSCSI or Fibre Channel over Ethernet allow storage and network functionality over the same physical connection . These can include TCP offload engines . </P>

Adapter cards are typically connected to what type of bus