> setup to get it onto a ProDos disk. > Anyone know what the 4 dip switches do? > Thanks for the help on this, guys. > -Paul The Vulcan Hard drive switches: Switch 1: Interrupt Enable This switch must be closed in order for any interrupts generated by Hard Drive to pass through to the Apple. (Interrupts are not used at this time) Switch 2: PS Enable When pseudo-slotting in the Apple IIgs, this switch must be closed. When pseudo-slotting in a II or II+, this switch must be open. Switch 3: II+ Boot Enable Leaving this switch open allow a II+ or an unenhanced IIe to boot directly from the hard disk. If the hard disk is not to be boot device in these systems, this switch should be closed. In a IIgs or an enhanced IIe this switch should also be closed. Switch 4: Pseudo-Slot Enable When this switch is closed the controller card will show up in slot 7, no matter which slot it is it. With it open, the card uses the slot in which it is placed.