| BIOS Setup Utility |
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| Onboard Serial |
| Setting | Description | Note |
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| Onboard |
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| Disabled |
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| Serial Port 1 / |
| 3F8/IRQ4 | Choose serial port 1 & 2's I/O | Default |
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| Serial Port 2 |
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| address. | (port 1) |
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| 2F8/IRQ3 | Do not set port 1 & 2 to the | Default |
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| same address except for | (port 2) |
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| 3E8/IRQ4 | Disabled or Auto. |
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| 2E8/IRQ3 |
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| Auto |
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| UART Mode |
| Normal | The second serial port offers | Default |
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| Select |
| IrDA | these InfraRed interface modes. |
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| ASKIR |
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| If [UART Mode Select] is set to [IrDA]/[ASKIR] |
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| UR2 Duplex |
| Half | Choose [Half] or [Duplex] to set | Default |
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| Mode |
| Full | UR2 in half duplex mode or full |
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| duplex mode respectively. Refer |
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| to your IR device specifications |
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| to select the suitable mode. |
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3-5.7 Onboard Parallel Ports
| Onboard Parallel |
| Setting |
| Description | Note |
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| Onboard Parallel |
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| Disabled |
| Choose the printer I/O |
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| 378/IRQ7 |
| address. | Default |
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| 3BC/IRQ7 |
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| 278/IRQ5 |
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| Parallel Port Mode |
| SPP |
| The mode depends on your | Default |
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| EPP |
| external device that |
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| ECP |
| connects to this port. |
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| ECP+EPP |
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| If [Parallel Port Mode] is set to [ECP] mode |
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| ECP Mode use |
| 3 |
| Choose DMA3 | Default |
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| DMA |
| 1 |
| Choose DMA1 |
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| 72 |
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