ANSI INCITS 336 : 2000

Foreword
Introduction
1 Scope
2 Normative references
   2.1 Normative references
   2.2 Approved references
   2.3 References under development
   2.4 Other references
3 Definitions, symbols, abbreviations, and conventions
   3.1 Definitions
   3.2 Symbols and abbreviations
   3.3 Keywords
   3.4 Conventions
   3.5 Notation for Procedures and Functions
4 General
   4.1 General overview
   4.2 Cables, Connectors, Signals, Transceivers
   4.3 Physical architecture of bus
   4.4 Physical topology details and definitions
   4.5 Bus loading
   4.6 Termination requirements
   4.7 SCSI device Addressing
   4.8 Data transfers
   4.9 Data transfer modes
   4.10 Protocol
5 SCSI parallel interface connectors
   5.1 SCSI parallel interface connectors overview
   5.2 Nonshielded connector
   5.3 Shielded connector
   5.4 Connector contact assignments
6 SCSI bus interconnect
   6.1 SCSI bus interconnect overview
   6.2 SCSI bus cables
   6.3 Interconnect characteristics for signals
   6.4 Decoupling characteristics for TERMPWR lines
   6.5 Connection requirements for RESERVED lines
   6.6 Cables used with SE transceivers
   6.7 SE ground offset
   6.8 Cables used with LVD transceivers
   6.9 LVD stub length and spacing
7 SCSI parallel interface electrical characteristics
   7.1 SCSI parallel interface electrical characteristics overview
   7.2 SE alternative
   7.3 LVD alternative
   7.4 LVD/MSE multimode alternative
   7.5 Terminator power
8 SCSI bus signals
   8.1 SCSI bus signals overview
   8.2 Signal descriptions
   8.3 Signal states
   8.4 OR-tied signals
   8.5 Signal sources
9 SCSI parallel bus timing
   9.1 SCSI parallel bus timing values
   9.2 Timing description
   9.3 Measurement points
   9.4 Setup and hold timings
10 SCSI bus phases
   10.1 SCSI bus phases overview
   10.2 BUS FREE phase
   10.3 Unexpected bus free phases
   10.4 Expected bus free phases
   10.5 Arbitration
   10.6 SELECTION phase
   10.7 RESELECTION phase
   10.8 Information transfer phases
   10.9 COMMAND phase
   10.10 DATA phase
   10.11 STATUS phase
   10.12 MESSAGE phase
   10.13 Signal restrictions between phases
11 DATA BUS protection
   11.1 DATA BUS protection overview
   11.2 ST DATA BUS protection (parity)
   11.3 DT DATA BUS protection (CRC)
12 SCSI bus conditions
   12.1 SCSI bus conditions overview
   12.2 Attention condition
   12.3 Hard reset
   12.4 Reset events
13 SCSI bus phase sequences
   13.1 SCSI bus phase sequences overview
   13.2 Phase sequences for physical reconnection and selection
        using attention condition with information unit transfers
        disabled
   13.3 Phase sequences for selection without using attention
        condition with information unit transfers disabled
   13.4 Phase sequences for selection without using attention
        condition/physical reconnection with information unit
        transfers enabled
   13.5 Phase sequences for physical selection using attention
        condition with information unit transfers enabled
14 SPI information unit sequences
   14.1 SPI information unit overview
   14.2 Information unit transfer logical operations
   14.3 SPI information units
15 SCSI pointers
16 SCSI messages
   16.1 SCSI messages overview
   16.2 Message protocols and formats
   16.3 Link control messages
   16.4 Task attribute messages
   16.5 Task management messages
17 Command processing considerations and exception conditions
   17.1 Command processing considerations and exception conditions
        overview
   17.2 Asynchronous event notification
   17.3 Incorrect initiator connection
   17.4 Unexpected RESELECTION phase
18 SCSI management features for the SCSI parallel interface
   18.1 SCSI mode parameters
19 SCSI parallel interface services
   19.1 SCSI parallel interface services overview
   19.2 Procedure objects
   19.3 Application client SCSI command services
   19.4 Device server SCSI command services
   19.5 Task management services
Annexes
A Additional requirements for LVD SCSI drivers and receivers
B SCSI bus fairness
C Nonshielded connector alternative 4
D Removal and insertion of SCSI devices
E SCSI cable media performance testing
F Interconnecting buses of different widths
G Transmission line considerations for SE fast-20 data transfer
   rates
H Measuring SE pin capacitance
I SCSI ICONS
J Backplane construction guidelines
K SPI-3 to SCSI-2 terminology mapping
L Physical layer integrity checking
M Alternate error detection for the asynchronous information
   phases (COMMAND, MESSAGE, and STATUS)

Delineates the mechanical, electrical, timing, and protocol requirements of the SCSI parallel interface to allow conforming SCSI devices to inter-operate. The SCSI parallel interface is a local I/O bus that may be operated over a wide range of transfer rates.