C2SBM-Q User's Manual Enable Master This setting allows you to enable the selected device as the PCI bus master. The options are Enabled and Disabled. Latency Timer This setting allows you to set the clock rate for Bus Master. A high-priority, high- throughout device may benefit from a greater clock rate. The options are Default , other Operating Systems, please select the option: other. If a drive fails after 0020h, 0040h, 0060h, 0080h, 00A0h, 00C0h, and 00E0h. For Unix, Novelle and the installation of a new software, you may want to change this setting and try I/O Device Configuration again. A different OS requires a different Bus Master clock rate .
Access the submenu to make changes to the following settings. KBC Clock Input This setting allows you to select the clock frequency for the Keyboard Controller. The options are 6MHz, 8MHz, 12MHz, and 16MHz. Serial Port A This setting allows you to decide how the system controls Serial Port A. The options are Enabled (user defined), Disabled, and Auto (BIOS- or OS-controlled). Base I/O Address This setting allows you to select the base I/O address for Serial Port A. The options are 3F8 , 2F8, 3E8, and 2E8. Interrupt This setting allows you to select the IRQ (interrupt request) for Serial Port A. The options are IRQ3 and IRQ4 .
Serial Port B This setting allows you to decide how the system controls Serial Port B. The options are Enabled (user defined), Disabled, Auto (BIOS controlled) and OS Controlled. Mode This setting allows you to set the type of device that will be connected to Serial Port B. The options are Normal and IR (for an infrared device). This setting allows you to select the base I/O address for Serial Port B. The options Base I/O Address are 3F8, 2F8 , 3E8 and 2E8. 4-16