Acer Aspire 9300 - Page 49

40 Chapter 1
Spindle Speed (RPM) 4200 (ST9120824A, ST9100825A, ST980829A)
5400 (ST9120821A, ST9100824A, ST98823A, ST96812A)
Internal transfer rate (Mbytes/sec.
max.)
56.25 (ST9120824A, ST9100825A, ST980829A)
48.25 (ST9120821A, ST9100824A, ST98823A, ST96812A)
I/O data transfer rate (Mbytes/sec.
max.)
100
ATA data transfer mode supported PIO modes 0-4; Multiword DMA modes 0-2; Ultra DMA modes 0-5
Bytes per sector 512
Average latency (msec) 5.6
Average seek, read (msec. typical) 12.5
Average seek, write (msec. typical) 14.5
Cache buffer 8 Mbytes
Interface Serial ATA
Startup current (typical, peak) +5V: 1.1 amps
Ambient temperature
5 to 55
o
C (operating), -40 to 70
o
C (nonoperating)
Temperature gradient (
o
C per hour
max.)
20
o
C (operating), 30
o
C (nonoperating)
Relative humidity 5% to 90% (operating), 5% to 95% (nonoperating)
Relative humidity gradient 30% per hour max.
Drive acoustics, sound power (bels)
idle
2.4 (typical), 2.6 (max)
Shock, operating (Gs max. at 0.5
msec.)
250
Shock, nonoperating (Gs max. at 2
msec.)
800
Vibration, operating 1.0 G (0 to peak, 5-500 Hz)
Vibration, nonoperating 5 Gs (0 to peak, 5-500 Hz)
Nonrecoverable read errors
1 per 10
14
bits read, max.
Seek power (typical) 2.20 watts
Read/write power (typical) Read: 1.90 watts; Write: 2.30 watts
Idle mode, lower power (typical) 0.80 watts
Standby mode 0.28 watts
Sleep mode 0.28 watts
Voltage tolerance +5.0V +/- 5%
BIOS
Item Description
BIOS vendor Phoenix
System BIOS version V1.00
Hard Disk Drive
Seagate