Philips DVDR70/001, Service Manual

Page: 63 / 260

Diagnostic Software EN 63 DVDR70 & DVDR75/0x1 5.
NVRAM
SDRAM
Description Check whether the Boot EEPROM can be written to and read from
User Input None
Example DS:> 201
020100:
Test OK @
Nucleus Name DS_NVRAM_Communication
Nucleus Number 300
Description Check the communication between the IIC controller of the Chrysalis and the EEPROM
User Input None
Example DS:> 300
030000:
Test OK @
Nucleus Name DS_NVRAM_WriteRead
Nucleus Number 301
Description Check whether the EEPROM can be written to and read from
User Input None
Example DS:> 301
030100:
Test OK @
Nucleus Name DS_NVRAM_Clear
Nucleus Number 302
Description Make the EEPROM empty, containing all zeroes.
User Input None
Example DS:> 302
030200:
Test OK @
Nucleus Name DS_NVRAM_Modify
Nucleus Number 303
Description Modifies one or more locations in NVRAM and updates the checksum of the section
modified
User Input 1. The location that must be modified
i.e. "ALL" "BOOT" "DIAGNOSTICS" "DOWNLOAD" "CONFIG" "RECORDER" or no
string if an offset from the base address of the NVRAM is required
2. The offset and data which to put on the selected location
<offset> <length> <data>
Example DS:> 303 DIAGNOSTICS 5 1 0x5a
030300: Section is modified successfully
Test OK @
Nucleus Name DS_NVRAM_Read
Nucleus Number 304
Description Read out one or more locations in the NVRAM
User Input 1. The location which must be read i.e. "ALL" "BOOT" "DIAGNOSTICS" "DOWN LOAD"
"CONFIG" "RECORDER" or no string if an offset from the base address of the NVRAM
is required
2. The offset and number of bytes to read
<offset> <length>
Example 304 DIAGNOSTICS 0 6
030400: Value read = 0x00 0x00 0x00 0x00 0x00 0x5A
Test OK @
Nucleus Name DS_SDRAM_WriteRead
Nucleus Number 400
Description Check all data lines, address lines and memory locations of the SDRAM
User Input None
Example DS:> 400
040000:
Test OK @