Technical data

JSC 36381 MARCH 30, 2000
Baseline
A-2
settings are automatically configured when AutoLoader is used to load an SSC
laptop.
A.2 Calluna PC Hard Card
Data can be written to and read from a PC Card (i.e., CallunaCard), via the ThinkPad
PCMCIA port. Presently, only Calluna model #CT521RM is certified for flight. On SSC
Clients, follow appropriate procedures for removal and insertion of PC Cards to
prevent operating system failure.
Type III PC Card HDD
Product Specification
MODEL NUMBER CT1040RM CT521RM
(pictured above)
STORAGE CAPACITY 1040MB 520MB
PHYSICAL CONFIGURATION
Number of Disks 2 1
Number of Data Heads 4 2
Data Heads (logical) 16 16
Cylinders (logical) 2016 1008
Sectors per Track (logical) 63 63
Track Density 9000TPI 9000TPI
Recording Method 1,7 PRML 1,7 PRML
Bit Density 169,520 BPI (max) 169,520 BPI (max)
RELIABILITY
Seek Time:
Track to Track 2.0 msec 2.0 msec
Average 12 msec 12 msec
Maximum 23 msec 23 msec
Average Latency 8.0 msec 8.0 msec
Data Transfer Rate:
To/From Media 3.70 - 5.92 MB/sec 3.70 - 5.92 MB/sec
To/From Interface 20 MB/sec (max) 20 MB/sec (max)
Start Time 1 sec 1 sec
Stop Time 1 sec 1 sec
Buffer Size 128KB 128KB
POWER REQUIREMENTS
Voltage 5V +/- 5% 5V +/- 5%
Spin Up Current 690 mA peak 690 mA peak
Active Current 425 mA 425 mA
Idle Current 145 mA 135 mA
Standby Current 15 mA 15 mA
Sleep Current 15 mA 15 mA