==============================================================================
XX = 00, 02, 04, 06 (Bank 0)
------------------------------------------------------------------------------
Data Bit B = 0 B = 1
YY or ZZ Low High Required Action
------------------------------------------------------------------------------
00 U37 U38 Replace memory chip
01 U30 U31 Replace memory chip
02 U25 U26 Replace memory chip
04 U21 U22 Replace memory chip
08 U16 U17 Replace memory chip
10 U14 U15 Replace memory chip
20 U9 U10 Replace memory chip
40 U5 U6 Replace memory chip
80 U1 U2 Replace memory chip
------------------------------------------------------------------------------
XX = 08 (Bank 1)
------------------------------------------------------------------------------
Data Bit B = 0 B = 1
YY or ZZ Low High Required Action
------------------------------------------------------------------------------
00 U41 U42 Replace system board
01 U51 U52 Replace system board
02 U51 U52 Replace system board
04 U51 U52 Replace system board
08 U51 U52 Replace system board
10 U46 U47 Replace system board
20 U46 U47 Replace system board
40 U46 U47 Replace system board
80 U46 U47 Replace system board
==============================================================================
Table 5-17. Version 2 System Board using 256K RAMs (0 - 640 Kbytes)
==============================================================================
XX = 00, 02, 04, 06 (Bank 0)
------------------------------------------------------------------------------
Data Bit B = 0 B = 1
YY or ZZ Low High Required Action
------------------------------------------------------------------------------
00 U32 U35 Replace memory chip
01 U24 U27 Replace memory chip
02 U17 U20 Replace memory chip
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