Digital Equipment VAXstation 4000 90, Service Information

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Device Tests
Device Test
IDs and
Mnemonics Table 5–4 lists the device tests and corresponding mnemonics,
decimal ID, binary ID, and loopback requirements.
Table 5–4 Device Test IDs and Mnemonics
Device Mnemonic
Decimal
ID Binary
ID Loop
back
1
Non-Volatile RAM NVR 1 0001 Yes
2D or Other graphics LCSPX or
xxx 2 0010 Yes
Serial line controller DZ 3 0011 Yes
Cache system CACHE 4 0100 Yes
Memory MEM 5 0101 Yes
Floating point
accelerator FPU 6 0110 Yes
Interval timer IT 7 0111 Yes
Other system board
hardware SYS 8 1000 Yes
Network interface NI 9 1001 Yes
SCSI Controller SCSI 10 1010 Yes
Sound chip AUD 11 1011 Yes
Synchronous comm or
other option COMM or
xxx 12 1100 Yes
1
A loopback is required when DIAGENV=2
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