Ampro Corporation LITTLE BOARD P5X - Manual (Page 56)

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External Termination Power Option
You can power external SCSI terminations from the Little Board/P5x. A jumper option, W2,
connects power (+5V) to the SCSI bus TERMPWR signal (J9, pin 26). The board includes a Schottky
protection diode to prevent damage to the board by current flowing from the SCSI bus and a self-
resetting fuse to prevent damage to the board should the output become shorted. The fuse resets
automatically when the short is removed.
SCSI ID
Every SCSI device must be configured for a specific SCSI bus ID, between 0 and 7. The default ID
for the SCSI controller is 7 and should not be used by peripherals you attached to the SCSI bus. Set
disk drive and other SCSI target device IDs to 0 – 6. The SCSI BIOS automatically detects SCSI
devices on the bus and logs them in at boot time.