ASRock K7VM2 User Manual - Page 20
PCI Latency Timer PCI Clocks - specifications
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size of share memory is selected. Please do not select [None] if AGP or PCI graphics card is not inserted. PCI Delay Transaction: Enable PCI Delay Transaction feature will free the PCI Bus when the CPU is accessing 8-bit ISA cards. Disable this feature when using ISA cards that are not PCI 2.1 compliant. USB Controller: Use this to enable or disable the use of USB controller. USB Device Legacy Support: Use this to enable or disable support to emulate legacy I/O devices such as mouse, keyboard,... etc. Resource Configuration: PCI Latency Timer (PCI Clocks): The default is 32. We recommend you to keep the default value unless your PCI expansion cards' specifications require other settings. Primary Graphics Adapter: Select PCI, OnBoard VGA, or AGP as the primary graphics adapter. Peripheral Configuration: OnBoard FDC: Use this to enable or disable floppy drive controller. OnBoard Serial Port: Use this to set addresses for the onboard serial ports or disable serial ports. Configuration options: [Auto], [Disabled], [3F8 / IRQ4 / COM1], [2F8 / IRQ3 / COM2], [3E8 / IRQ4 / COM3], [2E8 / IRQ3 / COM4]. OnBoard Infrared Port: This allows you to enable or disable the onboard infrared port feature. Select [Auto] will enable this feature if the infrared module is installed. OnBoard Parallel Port: Select Parallel Port address or disable Parallel Port. Configuration options: [Auto], [Disabled], [378], [278]. Parallel Port Mode: Set the operation mode of the parallel port. OnBoard Midi Port: Select address for Midi Port or disable Midi Port. Configu ration options: [Disabled], [330], [300], [290], [292]. Midi IRQ Select: Use this to select Midi IRQ. Configuration options: [5], [10], [11]. The default is 5. 20