Acer Altos G300 Acer Altos G300 User's Guide - Page 99

The memory size display was adjusted for, relocation and shadowing. Testing the memory

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87 Checkpoint Code Description 4Bh The amount of memory above 1 MB has been found and verified. Checking for a soft reset and clearing the memory below 1 MB for the soft reset next. If this is a power on situation, going to checkpoint 4Eh next. 4Ch The memory below 1 MB has been cleared via a soft reset. Clearing the memory above 1 MB next. 4Dh The memory above 1 MB has been cleared via a soft reset. Saving the memory size next. Going to checkpoint 52h next. 4Eh The memory test started, but not as the result of a soft reset. Displaying the first 64 KB memory size next. 4Fh The memory size display has started. The display is updated during the memory test. Performing the sequential and random memory test next. 50h The memory below 1 MB has been tested and initialized. Adjusting the displayed memory size for relocation and shadowing next. 51h The memory size display was adjusted for relocation and shadowing. Testing the memory above 1 MB next. 52h The memory above 1 MB has been tested and initialized. Saving the memory size information next. 53h The memory size information and the CPU registers are saved. Entering real mode next. 54h Shutdown was successful. The CPU is in real mode. Disabling the Gate A20 line, parity, and the NMI next. 57h The A20 address line, parity, and the NMI are disabled. Adjusting the memory size depending on relocation and shadowing next.

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87
4Bh
The amount of memory above 1 MB has been
found and verified. Checking for a soft reset and
clearing the memory below 1 MB for the soft reset
next. If this is a power on situation, going to
checkpoint 4Eh next.
4Ch
The memory below 1 MB has been cleared via a
soft reset. Clearing the memory above 1 MB next.
4Dh
The memory above 1 MB has been cleared via a
soft reset. Saving the memory size next. Going to
checkpoint 52h next.
4Eh
The memory test started, but not as the result of a
soft reset. Displaying the first 64 KB memory size
next.
4Fh
The memory size display has started. The display is
updated during the memory test. Performing the
sequential and random memory test next.
50h
The memory below 1 MB has been tested and
initialized. Adjusting the displayed memory size for
relocation and shadowing next.
51h
The memory size display was adjusted for
relocation and shadowing. Testing the memory
above 1 MB next.
52h
The memory above 1 MB has been tested and
initialized. Saving the memory size information
next.
53h
The memory size information and the CPU registers
are saved. Entering real mode next.
54h
Shutdown was successful. The CPU is in real mode.
Disabling the Gate A20 line, parity, and the NMI
next.
57h
The A20 address line, parity, and the NMI are
disabled. Adjusting the memory size depending on
relocation and shadowing next.
Checkpoint Code
Description