Fujitsu 420D User Manual page 70

S e c t i o n T h r e e
62
Figure 3-5 Audio Features Submenu
P O I N T
All I/O addresses in Table 3-4 are in
hexadecimal.
Audio Features Submenu
The Audio Features Submenu allows you to set
the address and interrupt features of the built-
in audio functions. The fields are:
Audio Control Interface I/O:
Sets the Audio Control Interface I/O address.
Audio:
Enables or disables the ESS1878 sound chip .
I/O Base Address:
Sets the base address for the internal audio
function.
IRQ Channel:
Sets the internal audio interrupt level.
1st DMA Channel:
Sets the 1st DMA channel to be used by the
internal audio function.
2nd DMA Channel:
Sets the 2nd DMA channel to be used by the
internal audio function.
FM I/O Base Address:
Sets the FM synthesizer base address.
MPU I/O Base Address:
Sets the MIDI interface base address.
The options and defaults for these fields are
shown in Table 3-4.