Maxtor MobileMax STM960212A, Product Manual, Page: 18 / 54

8 MobileMax Product Manual, Rev. A
Table 3:
STM940215A s
pecifications summary
Drive specification STM940215A
Formatted capacity (512 bytes/sector)* 40 Gbytes
Guaranteed sectors 78,140,160
Bytes per sector 512
Physical read/write heads 1
Discs 1
Cache 2 Mbytes
Recording density (typical) 835k bits/inch (BPI)
Track density (typical) 150k tracks/inch (TPI)
Areal density (max) 132 Gbits/inch
2
Spindle speed 5,400 RPM
Internal data transfer rate (max) 336 Mbits/sec (42 Mbytes/sec)
I/O data-transfer rate (max) 100 Mbytes/sec
ATA data-transfer modes supported PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–5
Height 9.5 +/-0.2 mm (0.374 +/-.008 inches)
Width 69.85 +/-0.25 mm (2.750 +/-0.010 inches)
Length 100.50 +/-0.25 mm (3.957 +/-0.010 inches)
Weight 100 grams (0.220 lb) typical
Average latency 5.6 msec
Power-on to ready 3.5 sec typical
Standby to ready 3.0 sec typical
Track-to-track seek time 1.0 msec typical (read)
1.5 msec typical (write)
Average random seek , write 14.5 msec typical
Average random seek, read 12.5 msec typical
Average random seek 12.5 msec typical
Full-stroke seek 22 msec (typical)
24 msec (max)
Startup current 5V 1.0 amps typical
Seek power 2.0 watts typical
Read/write power Read: 2.0 watts typical
Write: 1.8 watts typical
Idle mode (low power) 0.8 watts typical
Standby mode 0.26 watts typical***
Sleep mode 0.26 watts typical***
Voltage tolerance (including noise) 5V ± 5%
Ambient temperature 5° to 55°C (operating)
–40° to 70°C (nonoperating)
Temperature gradient
(noncondensing)
20°C per hour max (operating)
30°C per hour max (nonoperating)
Relative humidity
(noncondensing)
5% to 90% (operating)
5% to 95% (nonoperating)
Relative humidity gradient 30% per hour max
Wet bulb temperature (max) 30°C (operating)
38°C (nonoperating)
Altitude, operating –304.8 m to 3,048 m (–1000 ft to 10,000 ft)
Altitude, nonoperating (below mean sea level) –304.8 m to 12,192 m (–1,000 ft to 40,000 ft) max