Product manual

Barracuda 7200.9 PATA Product Manual, Rev. F
47
12 Ultra DMA mode 4 is currently active.
13 Ultra DMA mode 5 is currently active.
Bit Word 93
13 1 = 80-conductor cable detected, CBLID above V
IH
0 = 40-conductor cable detected, CBLID below VIL