FIRMWARE STARTUP SEQUENCE
MESSAGE ACTION
Black screen Initialize all drivers
"Starting clock" Start internal clock/calendar. Test I2C.
"Verifying memory", Test RAM memory.
"Checking SD", Check SD card presence and integirty
"Searching for updates", Search rmware update le in the SD card.
"Verifying TAG", Check TAG format and electrical connection.
"Mapping EEPROM", Map internal variables to EEPROM.
"Checking EEPROM", Verify checksums and EPROM variables integrity.
"Setting language", Load language
"Syncing counters",
Check counters (paper advancement meters, print head
cycles, printed hours and cut cycles, if apply)
and syncronizes data between EEPROM and TAG.
"Conguring ethernet", Congure ethernet subsystem
"Verifying data integrity", Check calendar, nancials and options.
"Creating wait screen", Create wait screen.
"Creating menus", Create display menus.
"Creating screens", Create display screens..
"Creating wizards", Create wizards for calibration.
"System setup",
Internal OS tasks. Check home key pressed for technician
mode.
"RIP initialize", Initialize raster subsystem.
"Starting network", Initialize net subsystem. Search IP if DHCP is active.
"Creating shell", Create TELNET subsystem for remote maintenance.
"Creating QInfo",
Create DISCOVERY subsystem for automatic net
conguration.
"Preparing I/O", Prepare memory for the comunication buffers.
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