Sony PCV-R558DS - Manual (Page 106)

VAIO Digital Studio Reference Manual 92
DMA Channel Assignments
This shows the factory default values. Windows 98 reassigns resources to
best meet the needs of a particular configuration.
DMA
Channel Default
Assignment
0 Open
1 Open
2 Standard diskette drive controller
3 Open
4 Direct Memory Access controller
5 Open
6 Open
7 Open