Hardware revisions

Location

The hardware revision is printed on the SIB, above the 3 USB ports.

Revision label

Versions

Currently, the LAA come into 4 different hardware revisions.

Version

Revision

Description

v1.00

rev1

First prototype

v1.01

rev2

Second prototype

v1.02

rev3

Pre-production

v1.03

rev4

First Production batch

laacli rev

The hardware revision of the LAA can be retrieved using laam or laacli.

Erratas

  • rev1:

    • Barrel jack doesn’t work, power needs to be injected via the main 12v rail.

    • PoE exists but doesn’t work.

    • DUT Power rail watchdog doesn’t exist.

    • USB Hub reset is non-functional and causes the hub to hang.

    • SIB EEPROM doesn’t exist.

    • Thermocouple fault.

    • DUT_OPTO pairs use optocouplers and not SSRs.

  • rev2:

    • USB Hub reset is non-functional and causes the hub to hang.

    • DUT_OPTO pairs use optocouplers and not SSRs.

    • PoE moved to external header.

  • rev3:

    • USB Hub reset is non-functional and causes the hub to hang.