"Compaq.com - Compaq Presario Series Maintenance and Service Guide - Models : 1270, 1670, and 1675

 

32-MB

 

128-MB

 

160-MB

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Memory Expansion for 380-MHz Processor

 

 

 

 

 

 

 

 

 

 

System Memory

 

 

Expansion Board Memory

 

Total Memory

 

 

 

 

 

 

 

 

 

 

64-MB

 

 

32-MB

 

96-MB

 

 

 

 

 

 

 

 

 

 

64-MB

 

 

64-MB

 

128-MB

 

 

 

 

 

 

 

 

 

 

64-MB

 

 

128-MB

 

192-MB

 

 

 

 

 

 

 

 

 

Diskette Drive

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Diskette Drive

 

 

 

 

 

 

 

 

Diskette Size

 

 

3.5 in

 

 

Light

 

 

None

 

 

Height

 

 

.5" / 1.27 cm

 

 

 

 

 

 

 

 

Bytes per Sector:

 

 

512

 

 

Sectors per Track

 

 

18 (1.44-MB) / 15 (1.2-MB)

 

 

High Density

 

 

 

 

Low Density

 

 

9

 

 

 

 

 

 

 

 

Tracks per Side

 

 

80 (1.44-MB) / 80 (1.2-MB)

 

 

High Density

 

 

 

 

Low Density

 

 

80

 

 

 

 

 

 

 

 

Access Times

 

 

 

 

 

Track-to-Track (high/low)

 

 

3 ms/6 ms

 

 

Average (ms)

 

 

94 ms/174 ms

 

 

Setting Time (ms)

 

 

15 ms

 

 

Latency Average

 

 

100

 

 

 

 

 

 

 

 

Number of Read/Write Heads

 

 

2

 

 

 

 

 

 

 

Hard Drive

 

 

Hard Drives

 

 

 

 

 

 

 

 

 

6.4-GB

 

4.3-GB

 

 

 

 

 

Capacity Per Drive

 

6.4-GB

 

4.3-GB

 

 

 

 

 

Drive Type

 

65

 

65

 

 

 

 

 

Physical Configuration

 

8647

 

8647

Cylinders

 

 

Heads

 

6

 

6

Sectors per track

 

240-250

 

240-250

Bytes per sector

 

512

 

512

 

 

 

 

 

Logical Configuration

 

13424

 

7944

Cylinders

 

 

Heads

 

15

 

15

Sectors per track

 

63

 

63

Bytes per sector

 

512

 

512

 

 

 

 

 

file:///C/SERVICE%20MANUALS/COMPAQ%20_%20che...ESARIO%201270,%201670,%20and%201675/spec.html (7 of 10)6/27/2004 2:46:03 AM