Produttore : Acer
File Size : 2.55 mb
File Nome : aag300ug.pdf
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See page 91 for additional information. 39h Displaying bus initialization error messages. See page 91 for additional information. 3Ah The new cursor position has been read and saved. Displaying the Hit message next. 3Bh The Hit message is displayed. The protected mode memory test is about to start. 40h Preparing the descriptor tables next. 42h The descriptor tables are prepared. Entering protected mode for the memory test next. 43h Entered protected mode. Enabling interrupts for diagnostics mode next. 44h Interrupts enabled if the diagnostics switch is on. Initializing data to check memory wraparound at 0:0 next. 45h Data initialized. Checking for memory wraparound at 0:0 and finding the total system memory size next. 46h The memory wraparound test is done. Memory size calculation has been done. Writing patterns to test memory next. 47h The memory pattern has been written to extended memory. Writing patterns to the base 640 KB memory next. 48h Patterns written in base memory. Determining the amount of memory below 1 MB next. 49h The amount of memory below 1 MB has been found and verified. Determining the amount of memory above 1 MB memory next. Checkpoint Code Description Checkpoint Code Description 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. Appendix A: AMIBIOS POST Checkpoint Codes Checkpoint Code Description Appendix A: AMIBIOS POST Checkpoint Codes Checkpoint Code Description 58h The memory size was adjusted for relocation and shadowing. Clearing the Hit message next. 59h The Hit message is cleared. The