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4.4 Maintenance, Diagnostic Commands
C141-C013 253
− PHY Identifier
Specify the PHY that will become the operation target of the PHY Test
function.
If a value other than either of the values below is specified, HDD
processing ends with a failure with CHECK CONDITION status
"ILLEGAL REQUEST [=5]/ Invalid field in parameter list [=26-00]".
0h: Primary Port (Port-A)
1h: Secondary Port (Port-B)
− PHY Test Function
Specify the operation to be performed by the PHY Test function.
If a value other than any of the values below is specified, HDD
processing ends with a failure with CHECK CONDITION status
"ILLEGAL REQUEST [=5]/ Invalid field in parameter list [=26-00]".
00h: Stops PHY Test function
If the PHY Test function is already stopped, the PHY Test function
returns "Good Status."
01h: Starts PHY Test function
If the PHY Test function is already started, HDD processing ends with a
failure with CHECK CONDITION status "ILLEGAL REQUEST [=5]/
PHY Test in progress [=47-06]".
− PHY Test Pattern
Specify the PHY Test Pattern sent from INIT.
If a value other than any of the values below is specified, HDD
processing ends with a failure with CHECK CONDITION status
"ILLEGAL REQUEST [=5]/ Invalid field in parameter list [=26-00]".
01h: JTPAT
02h: CJTPAT
40h: TWODWORDS
The DWORD specified in the PHY Test Pattern DWORDS field is
repeated and sent.