Kontron CP6940, Руководство пользователя

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CP6940 User Guide
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4.3.1 Power On Self Test
4.3.1.1 Test Routines
Upon power on or system reset, the bootloader performs the following power on self tests (POST):
The POST result is stored in bootloader environment. It is passed to linux OS for further error handling purposes.
Table 13: POST tests
Test Description
Serial Onboard Unit Computer serial controller loopback test
I2C Check for presence of onboard I2C devices
PCI Express Check for PCI Express switch device presence
Serviceport Onboard NXP LS1020 ethernet internal loopback test
Bootloader environment Check for valid bootloader environment (CRC correct or both
CRCs are 0xFFFFFFFF == not initialized)
VPD area Check for valid VPD area (CRC is valid)
DDR RAM memory cells Checkerboard standard test algorithm
KCS KCS Interface communication