Sony PCV-R528DS - Manual (Page 102)

VAIO Computer Reference Manual 94
DMA Channel Assignments
This shows the factory default values. Windows 98 reassigns resources to
best meet the needs of a particular configuration.
DMA
Channel Plug &
Play Default
Assignment
0 Yes Open
1 Yes Sound
2 Yes Standard diskette drive controller
3 Yes Sound
4 N/A Direct Memory Access controller
5 Open
6 Open
7 Open