[SI-LIST] Re: FER Test Vs BER Test in SATA
- From: "Dhamija Naresh-B07930" <nareshd@xxxxxxxxxxxxx>
- To: <chuck@xxxxxxxxxxx>, <si-list@xxxxxxxxxxxxx>
- Date: Thu, 31 May 2007 04:14:43 +0530
Chuck,
True, but FER targets BER only & If I am passing that BER no. with all
possible (Frames) paterns, doesn't it mean that I don't need to see FER.
I guess FER is required when you are failing at BERT but still you
canpass with FER Test.
Am I right??
Regards
Naresh
=20
-----Original Message-----
From: Charles Hill [mailto:chuck@xxxxxxxxxxx]=20
Sent: Wednesday, May 30, 2007 5:39 PM
To: Dhamija Naresh-B07930; si-list@xxxxxxxxxxxxx
Subject: RE: [SI-LIST] FER Test Vs BER Test in SATA
Naresh,
The SATA 2.6 spec explains the relationship of FER and BER. You can
relate the two by the calculation you describe. Since all data is
passed in frames, and errors are detected on frames, FER is the
observable parameter, not BER.
Regards,
Chuck Hill, SATAIO Phy WG Chair
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx
[mailto:si-list-bounce@xxxxxxxxxxxxx]On Behalf Of Dhamija Naresh-B07930
Sent: Friday, May 25, 2007 13:39 PM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] FER Test Vs BER Test in SATA
=3D20
Hi All,
While doing FER (Frame Error Rate) Testing for Serial ATA Interface, I
came across some max. FER no. allowed.=3D20 Can I use BER Tester for
measuring this by multiplying my whole max.
FIS(Frame Information Structure) with the no. of bits contained in FIS.
Regards
Naresh
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