User guide

NOTE: You may have different numbers, but the controller code
version should
be 17.3 or later.
4. HEAD SERVO CHECK
Press 4 and the screen displays:
CORVUS DRIVE # (1-4) ? _
Press 1 (or the drive number, in case of add-on physical Corvus
drives). The read/write heads
of the Corvus disk will rapidly move
from the outer edge
to the center of the disk, producing a whirring
sound. This test verifies that the disk reads data and that the disk
heads move properly.
NOTE: This test continues indefinitely until stopped by holding
down the control key and pressing C «CNTL>C). Approxi-
mately one minute
of this test should be enough to check the
disk.
5. MANUAL CONTROLLER DIAGNOSTIC
Press 5 and the screen displays:
WARNING
THIS· TEST
CAN CAUSE LOSS OF USER DATA __
(IF USED IMPROPERLY)
THE COMMAND FORMAT IS:
R - READ A BYTE FROM THE CONTROLLER
WXX - WRITE HEX BYTE TO CONTROLLER
S - READ CONTROLLER STATUS
E - EXIT TEST
NOTE:
This test should be performed ONLY under the direction
of qualified Corvus
Systems Customer Service representatives.
6. UPDATE CONTROLLER CODE
Press 6 and the screen displays:
CONTROLLER CODE FILE NAME (COVBXX.CLR) :
40