Tools

POST code displays
During power-up self test (POST), most PC system BIOSes write status codes to I/O port 80h or 84h. A POST code display shows the last value written to this port as a hexadecimal number. Use this code to diagnose problems. You can find a good collection of BIOS POST codes at BIOS Central. PC Engines offers these high quality POST code displays: post5a miniPCI POST code display post4d PCI POST code display postrd remote display kit for post4d (EOL) post2b ISA POST code display (EOL)

POST code displays

During power-up self test (POST), most PC system BIOSes write status codes to I/O port 80h or 84h. A POST code display shows the last value written to this port as a hexadecimal number. Use this code to diagnose problems. You can find a good collection of BIOS POST codes at BIOS Central. PC Engines offers these high quality POST code displays:

post5a miniPCI POST code display
post4d PCI POST code display
postrd remote display kit for post4d (EOL)
post2b ISA POST code display (EOL)

Test adapters
PC Engines offers these low cost test adapters for PCI and ISA bus: post5a miniPCI POST code display with test pins pcibus1b PCI bus test adapter (EOL, blank PCBs available on request) isabus1a ISA bus test adapter (EOL)
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Test adapters

PC Engines offers these low cost test adapters for PCI and ISA bus:

post5a miniPCI POST code display with test pins
pcibus1b PCI bus test adapter (EOL, blank PCBs available on request)
isabus1a ISA bus test adapter (EOL)

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