Topic       : Chips 'n Chips
Author      : Michael Ruge
Version     : chips_x.hyp (01/05/2001)
Subject     : Dokumentation/Hardware
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Following is a list of the different failure codes for your SCSI-Drives.
Please be aware that any flash, other than one, means that the drive
needs to be sent in for repair.
The repair depot for EUROPE is in Amsterdam and can be reached via
telephone at (0)31-20-6533539 or via FAX at (0)31-20-6530890.


_Onboard Drive Diagnostics_

At power-on the drive will execute a series of diagnostic tests. Any 
failure will be indicated by a series of LED flashes. The first failure
will be preserved. Any power-up failure will result in sense code 29H,
an internal controller error and an additional power-on diagnostic code
in sense byte one. The drive is ready to read/write if no error codes are
received within 20 seconds. The failure codes and the test sequence 
follow:

*Microprocessor/Internal Memory Test:* Failure is indicated by one flash
and an additional sense code (byte one) of 31H.

*Microprocessor ROM Checksum Test:* Failure is indicated by two flashes
and an additional sense code of 32H.

*Controller Chip Test:* Failure to initialize correctly is indicated by
three flashes and an additional sense code of 33H.

*Controller Program RAM Test:* Failure is indicated by four flashes and
an additional sense code of 84H (?; evtl. Fruckdehler)

*Data Buffer RAM Test:* Failure is indicated by five flashes and an
additional sense code of 35H.

*Spindle Speed Test:* If the drive is unable to reach and maintain correct
spindle speed, six flashes will be returned with an additional sense code
of 36H.

*Read Operating System Microcode From Drive:* If the controller is unable
to read the operating system from the drive, eight flashes are returned 
with an additional sense code of 88H (?; s.o.). If the controller reads
the operating system records, but determines that they are invalid, nine
flashes are returned with an additional sense code of 89H.


_Incoming Inspection_

This product family supports a self-test routine that Seagate recommends
for incoming inspection. This test may be run after the unit has
sucessfully passed the power-on diagnostics.

_Enabling the Offline Self-Test Routines_

To enable the test, short the following pins to ground at the SCSI
connector: 2, 12, 16 and 32.

The self-test has three parts. They will cycle in order until power or a
grounding jumper is removed, or until 10 complete passes.

The LED will remain on during the test and will turn *off* if an error is
detected or a jumper is removed. The LED will flash continuously if 10
passes are completed without error.

     weiterblättern 
     Kapitel Die Fehlermeldungen von Seagate, Seite 1