Chapter 4
BIOS Configuration
IR Transmission Mode
This option specifies the infrared transmission method. This option will not appear if the Serial Port2 Mode option is set to Normal. The settings are Full or Half.
Mode | Description | |
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| Data is transmitted in two directions at once. Any data you send will not | |
Full Duplex | appear on your screen until it has been received by the other device | |
| and sent back to you. Full duplex is the faster of the two modes. | |
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| |
| Data is transmitted in only one direction at a time. Any data you send | |
Half Duplex | will be instantly displayed on your screen. Half duplex mode is easier | |
for the devices to execute. Not all | ||
| ||
| duplex mode. | |
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IR Receiver Pin
This option specifies which pin will act as the receiver for IR data transmis- sion. This option will not appear if the Serial Port2 Mode option is set to Normal. The only setting is IRRX1.
OnBoard Parallel Port
This option specifies the base I/O port address of the parallel port on the motherboard. The settings are Auto, Disabled, 378, or 278.
Parallel Port Mode
This option specifies the parallel port mode. The settings are:
Setting | Description |
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Normal | The normal parallel port mode is used. |
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Use this setting to support bidirectional transfers on the parallel port. | |
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| The parallel port can be used with devices that adhere to the Enhanced Parallel Port |
EPP | (EPP) specifications. EPP uses the existing parallel port signals to provide asymmetric |
| bidirectional data transfer driven by the host device. |
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| The parallel port can be used with devices that adhere to the Extended Capabilities Port |
ECP | (ECP) specifications. ECP uses the DMA protocol to achieve data transfer rates of up |
| to 2.5 Megabits per second. ECP provides symmetric bidirectional communication. |
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EPP Version
This option specifies the Enhanced Parallel Port specification version number that is used in the system. This option only appears if the Parallel Port Mode option is set to EPP. The settings are 1.7 or 1.9. Version 1.9 is common on
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