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S
UPER PIIISCA/PIIISCD/PIIISCE/370SC3/370SCI/370SCD User's Manual
Check
Point
Description
38
Initializing the bus input, IPL, and general devices next, if
present.
39
Displaying bus initialization error messages.
3A
The new cursor position has been read and saved.
Displaying the Hit <DEL> message next.
40
Preparing the descriptor tables next.
42
The descriptor tables are prepared.
mode for the memory test next.
43
Entered
diagnostics mode next.
44
Interrupts enabled if the diagnostics switch is on.
Initializing data to check memory wraparound at 0:0 next.
45
Data initialized.
0:0 and finding the total system memory size next.
46
The memory wraparound test has completed.
memory size calculation has been completed.
patterns to test memory next.
47
The memory pattern has been written to extended
memory.
next.
48
Patterns written in base memory.
amount of memory below 1 MB next.
49
The amount of memory below 1 MB has been found
and verified.
1 MB memory next.
4B
The amount of memory above 1 MB has been found
and verified.
memory below 1 MB for the soft reset next.
power on situation, going to checkpoint 4Eh next.
protected
mode.
Checking for memory wraparound at
Writing patterns to the base 640 KB memory
Determining the amount of memory above
Checking for a soft reset and clearing the
B-4
Entering protected
Enabling
interrupts
Determining the
If this is a
for
The
Writing
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