OLIVETTI BIOS Post Codes
- 40 - CPU flags and register test failed
- 41 - BIOS ROM checksum test failed
- 42 - Disable 8253 timer channel 1
- 43 - 8237 DMA controller test failed
- 44 - 8259 PIC test failed
- 45 - Install the real interrupt vectors
- 48 - Send beep and initialize all basic hardware
- 5B - Test option ROM's
- 5C - Configure floppy drives
- 5D - Test hard drive configuration
- 5D - Test key lock switch
- 5E - Test configuration of game port adapter
- 5F - Detect and test math coprocessor
- 60 - Test memory configuration above 1MB
- 61 - Test memory configuration below 640KB
- 62 - Test serial port configuration
- 63 - Test parallel port configuration
- 64 - Verify CMOS RAM checksum
- 65 - Test CMOS RAM
- 66 - Test CMOS RAM battery
- 68 - Test the CPU protected mode
- 69 - Test the CMOS clock/calendar IC
- 6A - Test the keyboard controller
- 6B - Test PIO port 61h
- 6C - Test 8237 DMA controller 2
- 6D - Test 8237 DMA controller 1
- 6E - Test DMA page register
- 6F - test 8259 PIC 2
- 71 - Test 8259 PIC 1
- 72 - Test RAM parity system
- 73 - Test NMI
- 74 - Test all RAM above 1MB
- 75 - Test RAM from 8KB to 640KB
- 76 - Test protected mod operation
- 77 - Test CMOS RAM shutdown byte
- 78 - Test protected mode operation
- 79 - Test the first 8KB of RAM
- 7A - Test the 8041 keyboard controller
- 7B - Start memory refresh
- 7C - Test the 8253 timer
- 7D - BIOS ROM checksum test
- 7E - Check and verify CMOS shutdown code
- 7F - CPU flag and register test