scsi interface specification - Plasmon

DRIVE COMMAND SET MEDIA SCAN (38H)The following Media Scan examples with the ASA mode bit will report incorrectly for cases 1 and 2, andcorrectly for case 3.Media Scan parameters:• Start LBA - 0• Written block search - 0 (search for blank)• Number of blocks requested - 2• Number of blocks to scan - 10Case 1Binary Search Result:(B)(A)W B B W W B B W B BLBA 0 1 2 3 4 5 6 7 8 9(A) Condition met. Move scan in for written to blank boundary.(B) Condition not met. Mixed area.Result: Incorrect. LBA 5 will be returned instead of 1.Case 2:Binary Search Result(A)(B)W B B W W W W B B BLBA 0 1 2 3 4 5 6 7 8 9(A) Condition not met. Move scan out for written to blank boundary.(B) Condition met.Result: Incorrect. LBA 7 will be returned instead of 1.Case 3:Binary Search Result(C) (B) (A)W B B B B B B B B BLBA 0 1 2 3 4 5 6 7 8 9(A) Condition met. Move scan in for written to blank boundary.(B) Condition met. Move scan in for written to blank boundary.(C) Condition met.Result: Correct.PLASMON L M S - LD 6100/LF 6600/LF 6602 SCSI INTERFACE SPECIFICATIONPage 66