Asus DRW-0804P - Manual (Page 37)

13 DRW-0804P
Master
MA
Master
IDE
Secondary
Master
Slave
SL
Slave
IDE
Primary Slave
Secondary Slave
Cable Select
Cable Select CSEL signal
CS
UltraDMA/66/100 IDE
Cable Select
C S M
S L A
C S M
S L A
C S M
S L A