FUJITSU C150-E049-02EN User Manual

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M3099GX/GH OEM Manual

Data Release Delay ........................................................ 3-13
Deskew Delay................................................................ 3-13
Disconnection Delay ..................................................... 3-13
Hold Time .................................................................... 3-13
Negation Period ............................................................ 3-13
Power-On to Selection Time ......................................... 3-14
Reset to Selection Time ................................................. 3-14
Reset Hold Time ........................................................... 3-14
Selection Abort Time .................................................... 3-14
Selection Time-out Delay .............................................. 3-14
Transfer Period .............................................................. 3-15

SCSI Bus Phases ......................................................................... 3-15

BUS FREE Phase (See ANSI SCSI-2 6.1.1 for details) ......... 3-15
ARBITRATION Phase ........................................................ 3-16
SELECTION Phase ............................................................. 3-17
RESELECTION Phase ........................................................ 3-18

RESELECTION ........................................................... 3-18

Information Transfer Phases ................................................ 3-19

Asynchronous Information Transfer .............................. 3-20
Synchronous Data Transfer ........................................... 3-21

COMMAND Phase ............................................................. 3-22
Data Phase ........................................................................... 3-22

DATA IN Phase ............................................................ 3-23
DATA OUT Phase ....................................................... 3-23

STATUS Phase .................................................................... 3-23
Message Phase ...................................................................... 3-23

MESSAGE IN Phase ..................................................... 3-23
MESSAGE OUT Phase (See ANSI SCSI-2 6.1.9.2 for
details) ........................................................................... 3-24

SCSI Bus Conditions.................................................................. 3-24

Attention Condition ............................................................ 3-24
Reset Condition ................................................................... 3-25

SCSI Bus Phases Sequences ........................................................ 3-26
Commands (See ANSI SCSI-2 7) ............................................... 3-27

RESERVE UNIT Command ............................................... 3-30

Superseding Reservations ............................................... 3-31

RELEASE UNIT Command ............................................... 3-31
TEST UNIT READY Command ........................................ 3-32
INQUIRY Command (See ANSI SCSI-2 7.2.5) .................. 3-32

Standard INQUIRY Data (See ANSI SCSI-2 7.2.5.1) .. 3-34

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