IBM LTO Library

LVDS library controller card LEDs
«1¬Controller LED
Color Description
Flashing green Controller needs boot code.
Yellow Controller is in the process of powering up.
Flashing yellow Controller failed power-on test
v 1 flash = ROM error
v 3 flashes = microprocessor error
v 4 flashes = controller RAM error
v 5 flashes = non-volatile RAM error
v 6 flashes = volatile RAM error
Green Controller passed power on test.
«2¬SCSI LED
Color Description
Green No bus connected or low voltage differential
SCSI bus connected.
Flashing green Single-ended SCSI bus attached. SCSI
performance reduced.
Yellow ERROR, high voltage differential SCSI bus
connected.
44 LTO Library: User’s Guide