Seagate ST31250N Product Manual page 99

Barracuda 2LP Product Manual, Rev. D
P
panel, front 8
performance
general 7, 14
list of characteristics 11
physical
interface 56
rotational offsets 19
physical/electrical specifications 33
power
control switch 15
dissipation 6
requirements, AC and DC 33
prefetch/multi-segmented cache control 15
preventive maintenance 7, 21, 30
R
radiated emissions, characterizations 3
reallocation of defects
on command (post format) 7
recoverable error rate 21
Reed-Solomon error correction code 7
reference documents
Barracuda 2LP Installation Guide 3, 8
SCSI-2 Reference Manual 3
reference index signal 55
termination 56
reference signal 18, 19
relative humidity
non-operating 36
operating 36
reliability
general characteristics 7
service, and 22
specifications 21
REQ/ACK offset 67
rotation speed 11
rotational
latency, average 11
position locking 18
skew, operating the drive with 19
S
safety agencies, certification 3
safety/regulatory agency compliance 3
SCA
contact assignments for DC drives 84
contact assignments for WC drives 83
physical interface 82
recommended mating part numbers 72
terminating WC/DC drives 72
wide differential
air-flow and cooling 29
wide single-ended
air-flow and cooling 28
SCSI
bus conditions and misc. features 66
drivers and receivers 7
SCSI interface
cable connector requirements 71
electrical description
differential drivers/receivers 72
single-ended drivers/receivers 72
messages supported by the 59
physical connections 68
terminator requirements 75
transfer rate 14
SCSI physical interface 68
non-wide 76
wide 79
sector
reallocation scheme 7
size, allowable range 7, 14
seek
error rate 21
errors, defined 22
times, listed 13
seek errors 22
service
life 21, 30
philosophy 30
tools 30
servo heads, number of 11
shock
non-operating 37
operating
abnormal 37
normal 37
packaged 37
vibration, and 37
single-ended
drivers/receivers 72
89