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Diffstat (limited to 'eepromer/README.eeprom')
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diff --git a/eepromer/README.eeprom b/eepromer/README.eeprom deleted file mode 100644 index b465d07..0000000 --- a/eepromer/README.eeprom +++ /dev/null @@ -1,87 +0,0 @@ -You can use this program to read/write to i2c-eeproms -like the popular 24C16, 24C08, 24C04,.. In contrast to eeprommer -which supports 24C256-type eeproms 24C16ss use 1-byte addresses! - -This program is deprecated, please use eeprog instead. - -!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Warning !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -!!! ! -!!! This program should only be used on external busses such as i2c-pport. ! -!!! ! -!!! Your computer may contain i2c-eeproms for saving data vital to its ! -!!! operation. If you are not careful you might overwrite this data with ! -!!! this program and your computer may no longer boot! ! -!!! ! -!!! An example are the EEPROMS on your SDRAM DIMMs, your computer may no ! -!!! longer detect the RAM module rendering it essentially USELESS! ! -!!! ! -!!! IBM Thinkpads are said to store their configuration data in a eeprom, ! -!!! if you manage to overwrite this eeprom you will have to send your ! -!!! computer to the manufacturer for a costly repair! ! -!!! ! -!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Warning !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! - -It has several options: - - -d devicenode - - set this to the device-node of the i2c-bus - you want to use like /dev/i2c-0. - Use /dev/i2c-1 for the second bus, i2c-2 for the third... - - The default /dev/i2c-0 should work most of the time. - - -a address - - set this to the device-address of your - eeprom. For a 24C16 the address is hardcoded to - 0x50, which is -you guessed it- the default. - - For a 24C08 and smaller types you can choose which - addresses they occupy by forcing the address-pins - of the chip to High or Low so here the address may differ. - - -p number_of_pages - - set this to the number of pages you want to read - from or write to the eeprom. The 24C16 maps it's - pages to consecutive addresses on the i2c-bus so - we will try to read 256 bytes from every i2c - address between 'address' (inclusive) and - 'address + number_of_pages' (exclusive)... - - A 24C16 has 8 pages so that's the default for this - parameter. - - -f filename - - read data from this file (when writing to eeprom) or - write data to this file (when reading from eeprom). - - When reading a file that's smaller than the - eeprom's storage size we will pad the eeprom - with zeroes. - - If no file is given we will just read the - eeprom (while in read-mode) and test it's presence - this way. In write-mode we will just write zeroes - to the eeprom. - - -w When '-w' is present we will *write* to the eeprom. - If you do not specify '-w' we will read the contents - of the eeprom. - - -y This flag will suppress the warning when you write to the - eeprom. You will not be required to enter 'yes' so be careful - when using this switch! - - -I wrote that program to clear a 24C16 eeprom that sit's in my crappy -satellite receiver because sometimes its Z80 processor likes to -write garbage to it and then crash.... - -No further testing besides writing a long series of "The quick brown -fox jumps over the lazy dog!" and reading it back has been done so -of course this comes without any warranty. - - Chris <chris@hedonism.cx> |