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Acer 4000 User Manual

Page 44

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Chapter 1

37

Item

Seagate

Models

ST9100823A

ST9100824A

ST9120821A

Capacity and Interface
Formatted Gbytes (512 bytes/sector)
Interface

60
Ultra ATA/100

100
SATA 1.5Gb/s
Ultra ATA/100

120
SATA 1.5Gb/s
Ultra ATA/100

Performance
Internal Transfer Rate (Mbits/sec)

386

461

461

Max. External Transfer Rate (Mbytes/sec)

100

150 100

150 100

Avg. Sustained Transfer Rate (Mbytes/sec) >

>

>

Average Seek (msec)

12.5

12.5

12.5

Average Latency (msec)

5.56

5.56

5.56

Multisegmented Cache

8192

8192

8192

Spindle Speed (RPM)

5400

5400

5400

Configuration/Organization
Discs/Heads

2/4 2/4

2/4

Bytes per Sector

512

512

512

Logical

CHS

16383/16/63 16383/16/63 16383/16/63

Recording Method

RLL 0,11

RLL 0,11

RLL 0,11

Reliability/Data Integrity
S.M.A.R.T. capable

Yes

Yes

Yes

Nonrecoverable Read Errors per Bits Read 1 per 10

14

1 per 10

14

1 per 10

14

Service Life/Limited Warranty (years)

5/5

5/5

5/5

Power Requirements
+5 VDC +/-5% (amps typ operating)

1

1

1

Power Management (watts)
-Seek
-Read/Write
-Idle
-Standby

-2.3
-2
-0.92
-0.18

-2.2
-1.9
-0.8
-0.28

-2.2
-1.9
-0.8
-0.28

Environmental

Operating Temperature (

o

C)

5 to 55

5 to 55

5 to 55

Nonoperating Temperature (

o

C)

70 to -40

70 to -40

70 to -40

Operating Shock (Gs) @ 2 msec

250

250

250

Non Operating Shock (Gs) @ 1 msec

900

900

900

Acoustics,Idle (Bels-typ sound power)

2.4

2.4

2.4