User`s guide

2
Bering 18.2 GB
Fixed Disk
The Option 18 fixed disk in this model is the Seagate Cheetah 18LP, model
ST318203LW. This drive is a 3.5 inch form factor drive. Depending on the model of
the Bering Box you have, the drive may be paired with another 18.2 GB fixed disk.
Operation
Refer to your computer systems operation manual for specific instructions on using
this drive with your system. This document provides only specifications for the drive.
Refer to the Bering
Box 800 Users Manual for physical hookup instructions.
Specifications
PERFORMANCE
Formatted capacity 18.2 GB
Interface 68-pin Ultra2 SCSI (SCSI-3)
Number of discs (physical) 3
Number of heads (physical) 6
Total cylinders 9,801
Total tracks 117,612
Max external transfer rate 80 MB/sec
Avg. seek time, read 5.2 msec
Avg. seek time, write 6 msec
Track-to-track seek, read 0.6 msec
Track-to-track seek, write 0.9 msec
Full disk seek, read 12 msec
Full disk seek, write 13 msec
Avg. latency 2.99 msec
Default buffer (cache) size 1,024 Kbytes
Spindle speed 10,016 RPM
Power-on to ready time 30 sec
MTBF 1,000,000 POH
ENVIRONMENTAL
(operational)
Temperature 5 to 50° C
41 to 122° F
Temperature gradient 20 °C/hour
Relative humidity 10 - 95%
Vibration 0.5G
Shock 5 G peak, 11 msec
Altitude -305 ~ 3,048Meters
-1,000 ~ 10,000 Feet
ENVIRONMENTAL
(non-operational)
Temperature -40 to 70 °C
-40 to 158 °F
Relative Humidity 5 - 95%
Vibration 2 G
Shock 175 G peak, 2 msec
Altitude -305 ~ 12,210 Meters
-1,000 ~ 40,000 Feet