14 cpld & post-code display, 15 fan, 16 fru-prom (i2c eeprom) – Kontron COMe Eval Carrier T2 User Manual

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COM Express® Eval Carrier Type 2

5.14 CPLD & POST-Code Display

Power Management control, 4 digits LPC/PCI Port 80/81 Post Code and additional GPIOs are implemented in
onboard Altera CPLD (U28).

Port 80/81 POST Code

The 7-segment display D63/D64 for Port 81 and D61/62 for Port 80 shows BIOS status codes during boot-up
process.

5.15 FAN

The COM Express® Eval Type 2 provides two 4-pin (J39, J43) fan connectors.

5.16 FRU-PROM (I2C EEPROM)

Following the new COM Express® specification, the COM Express® Eval Type 2 provides an I2C EEPROM. The FRU-
PROM (Field Replacable Unit; U41) at I2C address 0xAF. The default setting is write protected. This is for
Kontron factory use and not recommended for non-Kontron modification.