Maxtor DIAMONDMAX 21 PATA STM3300620A User Manual download pdf (Page 14)

8 DiamondMax 21 PATA Product Manual, Rev. B

Table 3: Drive specifications summary for the 160 and 80 Gbyte model

Drive specification STM3160215A STM380215A

Formatted Gbytes (512 bytes/sector)* 160 80

Guaranteed sectors 312,581,808 156,301,488

Heads 2 1

Discs 1

Bytes per sector 512

Default sectors per track 63

Default read/write heads 16

Default cylinders 16,383

Recording density 824 kbits/in max

Track density 137.259 ktracks/in avg.

Areal density 101 Gbits/in

avg

Spindle speed 7,200 RPM

Internal data transfer rate 930 Mbits/sec max

Sustained data transfer rate OD 78 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) 19.99 mm (0.787 inches)

Width (max) 101.6 mm (4.000 inches) +/- 0.010 inches

Length (max) 146.99 mm (5.787 inches)

Weight (max) 380 grams 365 grams

Average latency 4.16 msec

Power-on to ready (max) 7.9 sec

Standby to ready (max) 7.9 sec

Track-to-track seek time (typical) <1.0 msec (read), <1.2 msec (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

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 49 50

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Maxtor DIAMONDMAX 21 PATA STM3300620A User Manual Page 14

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