IBM THINKPAD S05L-1270-01 - Manual (Page 650)

If a SCSI device exists and a test medium is required
to test the SCSI device, the following pop-up appears
(in this example, a SCSI tape drive):
4. Insert the requested medium and wait approximately
30 seconds until the medium is loaded.
The test begins and the following pop-up appears:
638 IBM Mobile Systems HMM