NEC POWERMATE VP Manual page 229

FACTORY SETTINGS
Sound Board Jumper Settings — Factory Settings
FUNCTION
MIDI interface base I/O address
Joystick connector
Audio low DMA channel
Audio high DMA channel
Audio base I/O address
Audio interface interrupt
MIDI interface
*Sound board driver software sets the audio interface interrupt to IRQ7. The driver software
IRQ7
setting overrides the sound board IS0 and IS1 jumper settings.
D-2 Sound Board Jumper Settings
Factory settings for the sound board are as follows.
The following figure shows jumper locations. Descriptions
of the jumper settings follow the figure.
Check the settings for your particular requirements. If you
need to change the settings, use the procedure that follows
the figures.
JUMPER
LOCATION FACTORY SETTING
MSEL jumpered
JYEN jumpered
DAS0 not jumpered
DAS1 jumpered
DBS0 jumpered
DBS1 jumpered
IOS0 jumpered
IOS1 jumpered
IS0 not jumpered
IS1 jumpered
MPUEN jumpered
330H
enabled
1
5
220H
IRQ5*
enabled