09-20-2008
Does admintool write to eeprom?
Hi: I was setting up a modem on an Ultra5 running 2.6. (yes I know, how quaint)
There are 15 systems that are interlinked but not accessible to the outside world.
This will end soon with new updated sun systems but until then the system needs to be accessed by the outside world. Hence the modem.
I was called in to help out and discovered that the serial port was not set up correctly I corrected this and then happened to look at the eeprom and the engineer that I was helping remarked that the two entries for the serial ports had not been there before. Because the Ultra 5 is used in a production environment it cannot be shut it down to look at the ok prompt (OBP).
When admintool serial is changed and you choose "Apply" does this update the eeprom? And is it written to the eeprom or will it default to what it was before once the ultra 5 has been rebooted?
Thanks
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LEARN ABOUT CENTOS
eeprom
eeprom(8) System Administration eeprom(8)
NAME
eeprom - reads and writes 24Cxx EEPROMs connected to I2C serial bus.
SYNOPSIS
eeprom [-d dev] [-a adr] [-p pgs] [-w] [-y] [-f file]
DESCRIPTION
eeprom can be used for reading from / writing to i2c-eeproms like the popular 24C16, 24C08, 24C04, etc. In contrast to eeprommer which
supports 24C256-type eeproms (24C16s) this tool works with 1-byte addresses!
NOTE
Don't forget to load your i2c chipset and the i2c-dev drivers.
Pages/addresses:
eeproms with more than 256 bytes appear as if they
were several eeproms with consecutive addresses on the bus
so we might as well address several separate eeproms with
increasing addresses
PARAMETERS
dev device, e.g. /dev/i2c-0 (def)
adr base address of eeprom, eg 0xA0 (def)
pgs number of pages to read, eg 8 (def)
-w write to eeprom (default is reading!)
-y suppress warning when writing (default is to warn!)
-f file
copy eeprom contents to/from file (default for read is test only; for write is all zeros)
SEE ALSO
eeprog(8) eepromer(8)
AUTHOR
Christian Vogel <chris@hedonism.cx>
i2c-tools Jul 2013 eeprom(8)