Acer 4000 manual Seagate, ST9100822A, Operating, Nonoperating

Item	Seagate
Model Name	ST9100822A
Capacity (GB)	100
Guaranteed sectors	195,371,568
Bytes per sector	512P
Physical read/write heads	4
Discs	2
Caches(Mbytes)	8
Recording density, BPI (bits/Inch typical)	703,000
Track density. TPI	115,000
(track/Inch typical)
Areal density (Gbits/Inch max)	86
Rotational speed (RPM)	4200
Internal data transfer rate OD (Mbytes/sec	48.25
max.)
I/O data-transfer rate	100
(Mbytes/sec max.)
ATA data-transfer modes supported	PIO modes 0-4
	Multiword DMA mode:0-2
	Ultra DMA mode:0-5
Track-to-track seek time (msec typical)	1.0 (read)
	1.5 (write)
Average seek time	12.5
(msec typical)
Seek Power	2.3W
Read/Write Power	2.05W/2.1W
Idle mode	0.99W
Standby mode	0.2W
Sleep mode	0.2W
Voltage tolerance	5V ±5 %
(including noise)
Ambient temperature	Operating:
	5oC to 55oC
	nonoperating:
	-40oC to 70oC
Temperature gradient (oC per hour max,	20oC (operating)
noncondensing)	30oC (nonoperating)
Relative Humidity gradient	30% per hour max

36 Chapter 1