Technical data

9050 Diagnostics 5-3
1/0 LED Error Codes.
I/O LEDs
Error
(1 =on; 0= off)
Description
No.
7 6 5 4 3 2 1 0
0
o 0 0 0 0 0 0 0
*
1 000 000 0 1
*
2 000 000 1 0
Operating system not found; will retry
3
o 0 0 0 0 0 1 1
*
4 o 0 0 0 0 1 0 0
Bad operating system file
5
o 0 0 0 0 1 0 1
Not enough usable memory
6
o 0 0 0 0 1 1 0 110 card or connected device failed self-test
...,
0000011 1
*
I
8
000 0 1 000
*
9
o 0 0 0 1 001
Media or device not ready
10
o 0 0 0 1 0 1 0
*
11 o 0 001 011
Part of operating system not readable
12
o 0 001 100
Attempted address or read past end of volume
13
o 000 1 101 Controller/unit failed after passing self-test
14
o 000 1 1 1 0
110 timeout; device did not respond in time
15
o 000 1 1 1 1 CS80 error occurred
16
000 1 000 0 Tape error occurred
17
000 1 000 1 Bad status from HP-IB (110 Card).
18
000 1 001 0
Bad 110 bus
19
000 1 001 1
NVM chip failed test
20 000 1 0 1 0 0 RTC chip not ticking
21
000 1 0 1 0 1
*
22 000 1 0 1 1 0
Test card found (not an error)
23
000 1 0 1 1 1 Test Module did not find SCM
24
000 1 1 000
Memory Test in progress (not an error)
25
000 1 100 1 Looking for Operating System (not and error)
* These codes are not used
5. Tests all memory (except the location where the loader code resides).
a. Displays T est in 9" Me III 0 r>' .
b. Maps salvaged memory back in. Leaves unsalvageable memory mapped out.
c. Loader message "NOT ENOUGH USABLE MEMORY. .. " indicates NO good memory
except that used by loader code.
d. Configures memory.
6. Sets up interleave configuration of memory if 1M byte RAM is used.
7. Boot loader looks for operating system.
a. Displays LooUn9" for Snteill.
b. First pass, loader looks for operating system on removable media. Second pass, loader
will accept first operating system it sees.
c. Loader will ignore operating systems that are not ready.
d. Loader will try again in a few seconds if operating system is not found.