Seagate Ultra 320, Ultra 160 manual

SPI status information unit 113, 127 ST Data phase parallel transfers 38 ST DATA phases 37

ST LVD phases 34 state of the bus 6 Status

SPI status information unit 127, 128 status 6, 138

status byte 131, 138 status phase 138 status precedence 139 status response 5 stored pointer 140 subsystem 10 suspended information 10 Synchronous 37

synchronous data transfer request message 97 Synchronous transfers 37

system deskew delay 32

T

Tag

SPI L_Q information unit 121, 123 tag 10

tag value 143

tagged command 148 tagged I/O command 148 tagged overlapped tasks 143 tagged task 143

address 10 queuing 147, 148

target 3, 10 multiple 14 single 14

target hard reset 147

Target initiated SDTR negotiation 99 target port 13

target reset message 106

target reset task management request 147 target-resident entity 7

task 8, 10, 142, 143 abort event 10 address 10, 143

and command lifetimes 143 complete 5, 10, 142 completed 5 completion event 10 current 5

ended 10 ended event 10 management function 10 management request 10 management response 10 manager 10

pending 8

queue tag message 148 queued 147

slot 10 tag 10

Task Attribute

SPI command information unit 119 task attribute message 102

task attributes 6

task complete message 99 task management 5 Task Management Flags

SPI command information unit 119, 120 task management function 6, 10

task management information 6 task management message 105 task management request 6 task set 5, 10, 138

management 142, 143 task set full 139

task set type 143 task state 5, 6

dormant 5 enabled 6 termination 12

Test Unit Ready 29

Test Unit Ready command 31, 148 third party

command 11 timing

examples 142 SCSI bus 20 waveforms 142

timing values 20 training information 68 training pattern 72 transaction 11

transceiver mode change 109 Transfer agreements 42 transfer modes 37

transfer period 11 Transfer period factor 43 Transfer rate 43 Transfer width exponent 44 transmit assertion period 32 transmit hold time 32 transmit ISI compensation 32 transmit negation period 32

transmit REQ (or ACK) period tolerance 33 transmit REQ assertion period 33 transmit REQ negation period 33

transmit SCSI bus data and information phase DT timing values 23

transmit setup time 33 transmitter skew 33 transmitter time asymmetry 33

168 Parallel SCSI Interface Product Manual, Rev. A