DIP Switch Settings Switch 1 off Disables Autoboot ROMs Kickstart 1.2 on Enables Autoboot ROMs Kickstart 1.3 Switch 2 off LUN disabled One drive at each address. on LUN enabled Multiple drives at each address. Switch 3 off Time-out disabled Short wait period for drive. Parity checking enabled. on Time-out enabled Long wait period for drive. Parity checking disabled on message-in phase. Switch 4 Reserved for future enhancements. Note: Parity checking is not supported on some Seagate drives. With these drives set the switch to the on position. Jumper Settings Jumper Setting Notes JP1 1.Amnesia RAM memory installed 2.512K on the A590 board. 3.1MB 4.2MB JP3 1.XT drive Sets LED for XT or 2.SCSI drive SCSI drive. JP4 1.Interrupt 2 Interupt level 2.Interrupt 6 Not user adjustable.4 PIN POWER CONNECTOR