PATH ADC Home > Documentation > Hardware
> PowerBook Developer Note
|
Several signals defined in the standard interface for the IDE drive are not used by the expansion bay. Those signals are listed in Table 4-4 along with any action required for the device to operate in the expansion bay.
Table 4-4 Unused IDE signals on the expansion bay connector
| CSEL | This signal must be tied to ground to configure the device as the master in the default mode. |
| PDIAG | No action required; the device is never operated in master-slave mode. |
| DAS | No action required. |