Toshiba T2150 series Maintenance Manual page 111

6. Sound
This item appears only when an optional sound card is installed. It allows
you to enable or disable the sound card ports.
Address/IRQ/DMA
When Enabled is selected, a subwindow similar to the one below appears to
let you set the I/O address, Interrupt level, and DMA channel for the sound
card.
I/O Address
Interrupt Level
DMA
The following explains each sound system setting:
(a) I/O address
Use this option to set the I/O address from among the following set-
tings:
0220h (default), 0230h, 0240h, 0250h
(b) Interrupt level
This option sets the interrupt level for the sound card. The available
settings are:
IRQ5, IRQ7, IRQ9, IRQ10 (default)
NOTE: SoundBlaster compatible software uses IRQ7 as the default. If
you use such software, try to change the software setting to IRQ10. If
you cannot change the software setting, change the hardware setting to
IRQ7.
(c) DMA (direct memory access) channel
Use this option to set the DMA channel. The available settings are:
Channel 0, Channel 1 (default)
T2150 Series
Enables port. (Default)
Disable Disables port.
SOUND SYSTEM
= 0220H
= IRQ10
= Channel 1
3-63