Digital Equipment DEC 3000 600 AXP, Service Information

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SCSI Diagnostic
Subtests
Table 4–12 lists diagnostic subtests.
Table 4–12 SCSI Diagnostic Subtests
Subtests Description Mode
ASIC
1
Tests dual SCSI ASIC registers and
two SCSI DMA buffers Console
REGISTER
1
Tests both sets of SCSI controller
registers (on SCSI A and B) Console
INTERRUPT
1
Test interrupt logic (SCSI A and B) Console
TRANSFER Test SCSI A and B bus data
transfers Console
MAP
2
Test for map and parity errors Service
DEVICE
3
Test SCSI devices Service
ERASE Refer to Hard Disk Eraser Utility Any mode
FORMAT Refer to Floppy Formatter Utility Any mode
VERIFY Refer to Disk Verifier Utility Any mode
INIT Initializes the drive Any mode
? Lists all subtests Any mode
1
Does not require any devices to be present on either SCSI bus.
2
Test executes only on the first device that responds to the TRANSFER test.
3
Removable media drives must have media installed before testing. Tapes are
rewound and started from BOT.
Console mode is DIAG_SECTION 1
Service mode is DIAG_SECTION 2
Error Reporting
Format All reported errors contain a hexadecimal longword of data and a
FRU code to identify the failing FRU. The error reporting format
is as follows:
>>> T SCSI
?? 001 SCSI XXXXXXXX
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