BIOS Setup Information
3-7
Table 3-3
Onboard Devices Configuration Parameters
Parameter
Description
Setting
DMA
Sets the DMA (direct memory access) channel of the infrared
port
3
1
Internal Modem
Enables or disables the internal modem
Enabled
Disabled
Base Address
Sets the I/O base address of the internal modem
3E8h
3F8h
2F8h
2E8h
IRQ
Sets the IRQ channel of the internal modem
11
5
3
4
10
Parallel Port
Enables or disables the parallel port
Enabled
Disabled
Base Address
Sets the I/O base address of the parallel port
378h
278h
3BCh
IRQ
Sets the interrupt request (IRQ) channel of the parallel port
7
5
Operation Mode
Selects the operation mode of the parallel port.
ECP (Extended Capabilities Port) supports a 16-byte FIFO (first
in, first out) which can be accessed by host DMA cycles and PIO
cycles, boosting I/O bandwidth to meet the demands of high-
performance peripherals.
Bi-directional
ECP
Standard
ECP DMA Channel
Sets the DMA channel of the parallel port when the parallel
operation mode is set to ECP.
1
3
Summary of Contents for 390 Series
Page 15: ...System Introduction 1 3 Figure 1 2 PCB No 96183 1A Mainboard Layout Bottom ...
Page 96: ...2 50 Service Guide 2 3 3 Pin Configuration Figure 2 4 FDC37C67 TQFP Pin Diagram ...
Page 97: ...Major Chips Description 2 51 Figure 2 5 FDC37C67 QFP Pin Diagram ...
Page 102: ...2 56 Service Guide 2 3 6 Block Diagram Figure 2 6 FDC37C67 Block Diagram ...
Page 126: ...2 80 Service Guide 2 5 4 1 Functional Block Diagram Figure 2 10 M38813 Block Diagram ...
Page 128: ...2 82 Service Guide 2 6 2 Pin Diagram Figure 2 11 YMF715 Block Diagram ...
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