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Maintenance & Service Guide
Presario 1660 Model

MSG Index | Home Page | Notice | Preface | Product Description | Troubleshooting  
Illustrated Parts Catalog
Removal & Replacement Procedures | Specifications
Pin Assignments
| Battery Pack Operations


Specifications (continued)

 

Physical and environmental System Interrupts System DMA
System I/O Address System Memory Catalog Display
Diskette drive Hard drive CD drive
DVD drive Battery pack

 

Diskette Drive

Diskette Drive

Model

Mitsumi D353F3

Capacity per Diskette (High/Low)  
Diskette Size

1.0MB

1.6MB

2.0MB

Number of LED Indicators (Read/Write)

None

Drive Rotation (rpm)

300

360

300

Transfer Rate (Kbps)

250

500

500

KBytes per Sector [Sector]

0.256[16]
0.512[9]
1.024[5]

0.256[26]
0.512[15]
1.024[8]

0.256[32]
0.512[18]
1.024[10]

KBytes per Track [Sector]

4.096[16]
4.608[9]
5.120[5]

6.656[26]
7.680[15]
8.192[8]

8.192[32]
9.216[18]
10.24[10]

KBytes per Disk [Sector]

655.36[16]
737.28[9]
819.20[5]

1064.96[26]
1228.80[15]
1310.72[8]

1310.72[32]
1474.56[18]
1638.40[10]

Number of Read/Write Heads

2

 

Hard Drive

Hard Drive

Model

Hitachi DK238A-43

IBM DKLA-24320

Fujitsu MHF2043AT

IBM DADA-26480 Hitachi DK228A-65 Fujitsu MHE2064AT
Capacity Per Drive

4327MB

4320MB

4340MB

6480MB 6490MB 6490MB
Logical Configuration
Cylinders
Heads
Sectors per track
Bytes per sector


8955
4
N/A
512


8944
15
63
512


8647
4
N/A
512


13424
15
63
512


8955
6
N/A
512


8647
6
N/A
512

Typical Seek Times, ms
(including settling)
Single track
Average
Full stroke
 

N/A
12ms
N/A

 

4ms
13ms
23ms

 

2.5ms
13ms
23ms

 

4ms
12ms
23ms

 

N/A
12ms
N/A

 

2.5ms
13ms
23ms

Transfer Rate
At interface

16.6MB/sec (max)

16.6MB/sec (max)

33.3MB/sec (U-DMA)

16.6MB/sec (max) 16.6MB/sec (max) 33.3MB/sec (U-DMA)

 

CD Drive

CD-ROM Drive

Model

XM-1802B

Mitsumi SR242S1

Sanyo CDR-U242-Z

Dimensions

128 x 12.7 x 129 mm

5.04 x 0.5 x 5.08 in

128 x 12.7 x 129 mm

5.04 x 0.5 x 5.08 in

128 x 12.7 x 129 mm

5.04 x 0.5 x 5.08 in
Weight

0.230kg

8.11 oz

0.27kg

9.52 oz

< 0.270kg

< 9.52 oz

Maximum Rotational Speed

24x

24x

24x

Typical Sustained Data Transfer Rate

3600kB/sec (max)

3600kB/sec (max)

3600kB/sec

Average Random Access Time

110ms

120ms

120ms

Spin Up Time

2.7sec (max)

n/a

<10sec

Data Buffer Capacity

128kB

128kB

256kB

 

DVD Drive

DVD-ROM Drive

Model

Sanyo DRD-U220

Panasonic SR-8171

Toshiba SD-C2102

Dimensions

128 x 12.7 x 129 mm

5.04 x 0.5 x 5.08 in

128 x 12.7 x 127 mm

5.04 x 0.5 x 5.00 in

128 x 12.7 x 129 mm

5.04 x 0.5 x 5.08 in
Weight

< 0.280kg

< 9.87 oz

0.290kg

10.2 oz

0.280kg

9.87 oz
Rotational Speed

2.4x

2.0x (max)

2.4x

Typical Sustained Data Transfer Rate

3240KB/sec (max)

2700KB/sec (max)

1352-3268KB/sec

Typical Average Random Access Time

180ms

180ms

160ms

Spin Up Time

< 10sec

4sec

N/A

Data Buffer Capacity

256kB

512kB

128kB

 

Battery Pack

Lithium Ion (Li ion) Battery Pack

Dimensions
Height
Length
Width


0.8 in (20.3 mm)
5.7 in (145 mm)
3.1 in (78.7 mm)

Weight

0.90 Ib (408.2 g)

Energy
Nominal Open Circuit Voltage
Ah rating
Capacity


standard: 14.4 V   enhanced: 14.8 V
standard: 2600 mAh   enhanced: 3000 mAh
standard: 37.5 Wh   enhanced: 44.5 Wh

Environmental Requirements
Operating Temperature
Non-operating Temperature
Charging Temperature


50°F to 95° F (10°C - 35°C)
32°F to 140°F (0°C - 60°C)
41°F to 113°F (5°C - 45°C)

 

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Revised: 15 January 1999