AT&T 6300 Service Manual page 211

DIAGNOSTICS
DIAGNOSTIC MESSAGE MEANING
nnn kb RAM Fail:cc:yOOO:zzzz:wwww:rrrr RAM not Functional
nnn = last RAM bank tested (in decimal)
cc
=
RAM configuration
01
=
128-KB Total RAM
02 = 256-KB Total RAM
03
=
512-KB Total RAM
04 = 640-KB Total RAM
y
=
128-KB bank with failure
1 = Bank 0 on Motherboard
2 = Bank 1 on Motherboard
3
=
Bank 0 on Exp. Board
4
=
Bank 1 on Exp. Board
5
=
Bank 2 on Exp. Board
Bank 0
=
128 KB
Bank 1
=
512 KB
1
=
Bank 0 on Motherboard
2 = Bank 1 on Motherboard
3
=
Bank 1 on Motherboard
4
=
Bank 1 on Motherboard
5 = Bank 1 on Motherboard
000
=
segment of failure
zzzz
= offset of failure
wwww = data that was written
rrrr = data that was read
Figure 4-1. Resident Diagnostic Messages (Sheet 5 of 5)
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