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| BIOS SETUP | |
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| Phoenix - AwardBIOS CMOS Setup Utility | ||
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| SuperIO Device |
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| Onboard FDC Controller | Enabled | ITEM HELP |
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| Onboard Serial Port 1 | 3F8/IRQ4 | Menu Level |
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| Onboard Serial Port 2 | 2F8/IRQ3 |
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| UART Mode Select | Normal |
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| RxD , TxD Active | Hi, Lo |
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| IR Transmission Delay | Enabled |
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| UR2 Duplex Mode | Half |
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| Use IR Pins |
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| Onboard Parallel Port | 378/IRQ7 |
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| Parallel Port Mode | SPP |
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| EPP Mode Select | EPP1.7 |
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| ECP Mode Use DMA | 3 |
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| Onboard Serial Port 3 | 3E8H |
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| Serial Port 3 Use IRQ | IRQ5 |
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| Onboard Serial Port 4 | Disabled |
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| Serial Port 4 Use IRQ | IRQ10 |
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| Chip Select Pin | Disabled |
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IDE HDD Block Mode
This field allows your hard disk controller to use the fast block mode to transfer data to and from your hard disk drive.
IDE DMA Transfer Access
Allows IDE transfer to be done in DMA mode
OnChip Primary/Secondary PCI IDE
The integrated peripheral controller contains an IDE interface with support for two IDE channels. Select Enabled to activate each channel separately.
IDE Primary/Secondary Master/Slave PIO
These fields allow your system hard disk controller to work faster. Rather than have the BIOS issue a series of commands that transfer to or from the disk drive, PIO (Programmed Input/Output) allows the BIOS to communicate with the controller and CPU directly.
The system supports five modes, numbered from 0 (default) to 4, which primarily differ in timing. When Auto is selected, the BIOS will select the best available mode.
IDE Primary/Secondary Master/Slave UDMA
These fields allow your system to improve disk I/O throughput to 33Mb/sec with the Ultra DMA/33 feature. The options are Auto and Disabled.
MB820 User’s Manual | 39 |
