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EEPROM Functionality
The following table shows the EEPROMs used for the MVM2100 and
their assigned device IDs.
Table 2-2. System EEPROM Device IDs
EEPROM ID
000
001
010
011
100
101
110
111
SDRAM Configuration EEPROM
EEPROMs are used on the MVME2100 to contain information regarding
the SDRAM devices installed. The data is formatted in accordance to
JEDEC standard JESD21-C. The information contained in these
EEPROM(s) will be used by the system software to configure the memory
controller function integrated into the MPC8240 peripheral device.
System Configuration EEPROM
The MVME2100 also contains an EEPROM containing configuration
information specific to the board. Typical information that may be present
in this device is: manufacturer, board revision, build version, date of
assembly, memory present, options present, L2 cache information, etc.
The EEPROM is hardwired to have a device ID of 0b100 and this ID will
not be used for any other function.
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Size (bytes)
256
SDRAM Bank 0
256
SDRAM Bank 1
256 (max)
Reserved for additional memory banks
256 (max)
Reserved for additional memory banks
256
System Configuration Data
256 (max)
Undefined
256 (max)
Undefined
256 (max)
Undefined
EEPROM Functionality
Function
2
2-3
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