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<hatfield> See my responses below Thank You !!! ----------------------------------------------------------------- Jim Hatfield Seagate Technology LLC e-mail: [EMAIL PROTECTED] s-mail: 389 Disc Drive; Longmont, CO 80503 USA voice: 720-684-2120 fax....: 720-684-2711 ========================================== "Wolford, Jeff" <[EMAIL PROTECTED] com> To Sent by: "ATA T13 Reflector" <forum@t13.org> [EMAIL PROTECTED] cc rg No Phone Info Subject Available [t13] Write uncorrectable - flagged mode (FR=Axh) 06/09/2006 02:14 PM When using the write uncorrectable command with the "flagged uncorrectable" (FR=Axh) mode, 1) Is the drive allowed to go to the media ? (I can not find any text that says you shall or you shall not for "flagged uncorrectable".... Pseudo mode is another thing) <hatfield> yes. it is vendor-specific 2) If a flagged uncorrectable sector status is suppose to be returned immediately, where is that stated ? <hatfield> It is vendor-specific. 3) It is my understanding that the intention of the "flagged uncorrectable" mode was for the drive to not access the media and return the status ASAP without error correction. If that is true, then this would require the "flagged uncorrectable" sector list to be maintained in the drives memory. <hatfield> It is vendor-specific. Where is the maximum number of of "flagged uncorrectable" sectors defined or is it just assumed you can create them until the drive returned a 51/04h ?... But is this number expected to be 1, 100, 1000 ? <hatfield> It is vendor-specific. Thanks, Jeff Jeff Wolford Email: [EMAIL PROTECTED] Master Architect Storage Interface and Tools - Business PC Group Voice: (281) 514-9465, Pager: (800) 973-5739 Hewlett-Packard Corporation