Philips DVDR3575H/, Service Manual

Page: 112 / 195

Reference : SGP_AVS_SW_ATLAS-05-05 Classification : COMPANY RESTRICTED
Version : 0.17 Project : ATLAS_DSW
Status : Proposed Chapter : User Manual
Date : 2006-09-12 Section : Diagnostic Software (Leco+)
© Philips Electronics N.V. 2006
Philips Semiconductors Page 92 of 124
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Nucleus Name DS_HDD_WriteRead
Nucleus Number 2103
Description Write data to the hard disk, read it back and verify the data read back.
Technical
-
Initialise/start IDE
- Generate a random sector number
- Generate test data to write to the disk
-
Read the data from the sector using READ_SECTOR(S) and store this in a
temporarily buffer
-
Transfer the test data to the disk location using ATA command
WRITE_SECTOR(S)
- Read back the data from the disk location using ATA command
READ_SECTOR(S)
- Compare the two data areas and check whether the areas are equal
-
Write back the data from the temporarily buffer
Execution Time 3 seconds
User Input None
Error 210300 Version info successfully
210301 The initialisation of IDE failed
210302 Communication with the hard disk drive failed
210303 Unable to retrieve device capabilities from HDD
210304 Writing data to HDD failed
210305 Reading back data from HDD failed
210306 Data read back did not equal written data
Example DS:> 2103
210300: OK, writing to sector 3f95776
Test OK @
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Nucleus Name DS_HDD_CapabilitiesGet
Nucleus Number 2104
Description Get the cylinders, heads and track information of the hard disk drive
Technical - Initialise/start IDE
- Send ATA command Identify drive information
-
Display all required capabilities
Execution Time Less than 1 second.
User Input None
Error 210400 Capabilities are displayed correctly
210401 The initialisation of IDE failed
210402 Communication with the hard disk drive failed
210403 Failed to get information from the hard disk drive
Example DS:> 2104
Number of cylinders 16383
Number of heads 16
Number of sectors per track 63
Capacity in sectors 80293248
Number of current cylinders 16383
Number of current heads 16
Number of current sectors per track 63
Current capacity in sectors 16514064
Number of unformatted bytes per track 0
Number of unformatted bytes per sector 0
210400:
Test OK @
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