Maxtor DiamondMax 20 STM3160212A, Product Manual, Page: 18 / 56

10 DiamondMax 20 PATA Product Manual, Rev. A
Table 4:
Drive specifications summary
for the 80 and 40 Gbyte models
Drive specification STM3802110A STM3402111A
Formatted Gbytes (512 bytes/sector)* 80 40
Guaranteed sectors 156,301,488 78,165,360
Bytes per sector 512
Default sectors per track 63
Default read/write heads 16
Default cylinders 16,383
Recording density 840.0 kbits/in max 611.5 kbits/in max
Track density 141.5 ktracks/in avg 103.9 ktracks/in avg
Areal density 119.0 Gbits/in
2
avg 63..53 Gbits/in
2
avg
Spindle speed 7,200 RPM
Internal data transfer rate 867.2 Mbits/sec max
Sustained data transfer rate OD 83.0 Mbytes/sec max 69.4 Mbytes/sec max
I/O data-transfer rate 100 Mbytes/sec max
ATA data-transfer modes supported PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–5
Cache buffer 2 Mbytes
Height (max) 26.1 mm (1.028 inches)
Width (max) 101.6 mm (4.000 inches) +/- 0.010 inches
Length (max) 146.99 mm (5.787 inches)
Weight (max) 580 grams (1.28 lb.) 525 grams (1.16 lb.)
Average latency 4.16 msec
Power-on to ready (max) <10.0 sec
Standby to ready (max) <10.0 sec
Track-to-track seek time <0.8 msec typical (read), <1.0 msec typical (write)
Average seek, read (typical) <11.0 msec
Average seek, write (typical) <12.0 msec
Startup current (typical) 12V (peak) 2.8 amps
Voltage tolerance (including noise) 5V ± 5%
12V ± 10%
Ambient temperature 0° to 60°C (operating)
–40° to 70°C (nonoperating)
Temperature gradient 20°C per hour max (operating)
30°C per hour max (nonoperating)
Relative humidity 5% to 90% (operating)
5% to 95% (nonoperating)
Relative humidity gradient 30% per hour max
Wet bulb temperature 37.7°C max (operating)
40.0°C max (nonoperating)
Altitude, operating –60.96 m to 3,048 m
(–200 ft. to 10,000+ ft.)
Altitude, nonoperating
(below mean sea level, max) –60.96 m to 12,192 m
(–200 ft. to 40,000+ ft.)
Operational Shock 63 G max at 2 msec
Non-Operational Shock 350 G max at 2 msec
Vibration, operating 5–22 Hz: 0.25 G, Limited displacement
22–350 Hz: 0.50 G
350–500 Hz:: 0.25 G