Seagate ST336854FC, ST3146954FC, ST373554FC Self-Monitoring Analysis and Reporting Technology 9

Prefetch command 55 prefetch/multi-segmented cache control 12 Pre-Scan 42

preventive maintenance 17 private loop

FC-AL options 53 Proc Assc 49

Process Accept (ACC) 51 Process Login (PRLI) 47, 50 Process Login Accept (ACC) payload 51 process login payload data 50 Process Logout (PRLO) 47 programmable drive capacity 9

public loop

FC-AL options 53 pull down resistor 68

Q

queue tagging 63

R

radio interference regulations 3 Random relative offset 49, 52 RCD bit 13

Read buffer command 56 Read capacity command 55

Read combined header and data mode (0) 56 Read command 54

Read data mode (2) 56

Read defect data command 56 Read descriptor mode (3) 56 read error rates 17

Read extended command 55 Read Link Status (RLS) 47 Read long command 56 read/write data heads 11 Reassign blocks command 54 Receive buffer field size 49, 52 receive buffer field size 50

Receive diagnostic results command 55 receive eye

diagram 73 receivers 67 recommended mounting 36 Recoverable Errors 17 recovered media data 17 reference

documents 5 Regenerate command 57 Register FC-4 Types (RFT_ID) 47 Relative address command 55 relative humidity 34

Release command 54 Released (10) command 57

reliability 9 specifications 17

reliability and service 18

repair and return information 24 reporting actual retry count 63 Request sense command 54 reservation conflict status 63 Reserve command 54 Reserved (10) command 57 resonance 35

return information 24 Rezero unit command 54 Rigid disc drive geometry page

command 54 rotation speed 11 running disparity 19

S

safety 3

SCA part numbers 65 SCSI interface

commands supported 54 Search data

equal command 55 high command 55 low command 55

Seek command 54 seek error

defined 18 rate 17

Seek extended command 55

seek performance characteristics 11 seek time

average typical 11 full stroke typical 11 single track typical 11

segmented caching 63 SEL ID 43

lines 69

standard feature 8

Self-Monitoring Analysis and Reporting Technology 9, 19

Send diagnostics page command 55 Sequential delivery 49, 52 Service Options 52

Service options 49 Set limits command 55 shielding 3 shipping 23 shipping container 34 shock 35

and vibration 35 shock mount 46 signal

characteristics 71

Cheetah 15K.4 FC Product Manual, Rev. B 83