Table 1–1 lists the components you will remove. See Table 1–4 for the
listing of components in the upgrade kit. See Chapter 2 for the full upgrade
procedures.
NOTE:
Before you start, make sure you have enough ESD boxes for
all processor, DWMBA, and memory modules from the system you are
upgrading.
Table 1–1: Components to Be Replaced
Part Number
Description
H7206-A
Power and logic unit
70-24902-01
XMI-1 card cage assembly
H7214
+5V regulator, located in position 3
H7214
The second XMI +5V regulator, if at A or B revision level
20-29176-01
XTC power sequencer module
17-01833-01
H405 fail safe enable cable
KA64A/KA62A/KA62B
Processors
MS62A
Memories
74-39700-XX
Old system name plate mounted on the door
17-01549-01
H7206 to H405 DEC power bus cable
H7231-N
Battery backup unit, if present
Specifications and Preparation
1–3
