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³
³
Bit
³
³
Byte
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7
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6
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5
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4
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3
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2
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1
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0
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Reserved = 0
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FOV
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DPRY
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DCRT
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STPF
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IP = 0
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DSP = 0
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Immed
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0
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(MSB)
Defect List Length
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3
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(LSB)
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Figure 51. Format of Defect List Header.
Format of the defect list header sent during the data out phase when
FmtData set to one.
The Target has a limited implementation of the Format Option bits located in Bits 2 through 7 of Byte 1 of
the Defect List Header (See Figure 51). If the Initiator attempts to select any function not implemented by
the Target, the Target terminate the command with Check Condition Status. The sense key is set to Illegal
Request and the additional sense code is set to Invalid Field in Parameter List.
FOV (Format Options Valid) bit of zero causes the Target to verify that the setting for the D P R Y
(Disable Primary), D C R T (Disable Certification), S TPF (Stop Format), IP (Initialize Pattern), and DSP
(Disable Saving Parameters) bits are zero. If any of these bits are not zero, the Target terminates the
command with Check Condition Status. The sense key is set to Illegal Request and the additional sense
code is set to Invalid Field in Parameter List.
Note: When FOV bit is one there are three combinations of the D P R Y , D C R T , STPF, IP and DSP
bits allowed. Any other combinations return a Check Condition Status With a sense key of Illegal
Request and an additional sense code of Invalid Field In Parameter List. The supported combination
are:
DPRY=0
DCRT=1
STPF=1
IP=0
DSP=0
DPRY=1
DCRT=1
STPF=1
IP=0
DSP=0
DPRY=0
DCRT=0
STPF=1
IP=0
DSP=0
DPRY (Disable Primary) bit set to zero indicates that the Target does not use portions of the medium
identified as defective in the primary defect PList for Initiator addressable logical blocks. If the Target
cannot locate the PList or it cannot determine whether a PList exists, the target terminates the Format
Unit command as described for S T P F = 1 . A D P R Y bit of one indicates that the Target does not use
the Plist to identify defective areas of the medium. The Plist is not deleted.
DCRT (Disable Certification) bit of Z E R O indicates that the Target performs a medium certification
operation and generates a Certification List (CList) and the Target adds the Clist to the Glist. A D C R T
bit of one indicates that the Target does not generate a CList (Certification List ) nor perform a certif-
ication process while executing the Format Unit Command.
STPF (Stop Format) bit must be set to one. If one or both of the following conditions occurs, the
Target terminates the Format Unit command with Check Condition Status. The sense key is set to
Medium Error and the additional sense code is set to either Defect List Not Found if the first condition
occurred, or Defect List Error if the second condition occurred.
−
The Target cannot locate a required defect list nor determine that the list exists.
−
The Target encounters an unrecoverable error while accessing a required defect list.
IP (Initialization Pattern) bit must be set to zero. The Target initializes all data with zeros.
DSP (Disable Saving Parameters) bit must be set to zero. The Target saves all the Mode Select savable
parameters during the format operation.
SCSI C O M M A N D SET
63
Summary of Contents for DCAS-32160 - Ultrastar 2.1 GB Hard Drive
Page 2: ......
Page 14: ...xii OEM Spec of DCAS 34330 32160...
Page 16: ...2 OEM Spec of DCAS 34330 32160...
Page 18: ...4 OEM Spec of DCAS 34330 32160...
Page 19: ...Part 1 Functional Specification Copyright IBM Corp 1996 5...
Page 20: ...6 OEM Spec of DCAS 34330 32160...
Page 22: ...8 OEM Spec of DCAS 34330 32160...
Page 32: ...18 OEM Spec of DCAS 34330 32160...
Page 34: ...20 OEM Spec of DCAS 34330 32160...
Page 56: ...6 7 1 2 68 pin Model Figure 35 Outline of 68 pin Model 42 OEM Spec of DCAS 34330 32160...
Page 57: ...6 7 1 3 80 pin Model Figure 36 Outline of 80 pin Model Specification 43...
Page 61: ...6 7 3 3 80 pin Model Figure 41 Interface Connector 80 pin Model Specification 47...
Page 70: ...56 OEM Spec of DCAS 34330 32160...
Page 71: ...Part 2 SCSI Interface Specification Copyright IBM Corp 1996 57...
Page 72: ...58 OEM Spec of DCAS 34330 32160...
Page 176: ...162 OEM Spec of DCAS 34330 32160...
Page 178: ...164 OEM Spec of DCAS 34330 32160...
Page 198: ...184 OEM Spec of DCAS 34330 32160...
Page 218: ...204 OEM Spec of DCAS 34330 32160...
Page 228: ...214 OEM Spec of DCAS 34330 32160...
Page 232: ...IBML Part Number 73H7993 Published in Japan S73H 7993 03...