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https://github.com/stevenhowes/wbios.git
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Steve Howes
47 lines
1.0 KiB
Plaintext
47 lines
1.0 KiB
Plaintext
tinyBIOS POST code list pd 980422
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01 reset entry
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02 chipset initialization
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03 detect base memory size
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04 initialize shadow RAM
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05 init mono video
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06 disable PCI devices
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07 test low 64KB of DRAM
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08 initialize stack
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09 BIOS checksum
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0a super I/O initialization
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0b RTC test
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0c refresh / 8254 test
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0d speed-dependent chipset regs
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0e test 8237 DMA
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0f test DMA page registers
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10 test 8254 registers
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11 test keyboard controller
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12 init timer, DMA, 8259...
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13 test 8259 mask registers
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14 test low 640KB
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15 init vectors
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16 PCI plug & play
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17 shadow video BIOS
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18 look for VGA BIOS
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19 sign-on prompt
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1a second keyboard test
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1b extended memory test
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1c enable interrupts
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1d test / init RTC
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1e init floppy disk
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1f option ROM scan
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20 test parallel ports
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21 test serial ports
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22 enable coprocessor
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23 floppy init
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24 hard disk init
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25 PS/2 mouse detect
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26 timer/RTC check
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27 OEM boot decision point
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00 boot
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33 NMI
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F7 low 64KB memory test failed
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