compaq evo n115 User Manual

Remova l and Replacement Procedures
Maintenance and Ser vice Guide 5–63
10. If necessary, disconnect the audio board cable from the 
system board (Figure 5-50).
✎The audio cable is included in the Cable Kit (spare part 
number 254120-001).
Figure 5-50. Remo ving the Audio Boar d Cable
Reverse the above procedure to install the system board.
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Maintenance and Service Guide 6–1
6
Specifications
This chapter provides physical and performance specifications.
Ta b l e  6 - 1
Computer
Dimensions
Height
Width
Depth 12.4 in
10.6 in
1.64 in 31.5 cm
26.9 cm
4.2 cm
Weight  (depending on 
configuration and 
components) 6.63 lbs 3.0 kg
Stand-alone power requirements
Nominal operating  voltage 14.8 VDC
Te m p e r a t u r e Operating
Nonoperating 50° to 90° F
-4° to 140° F 10° to 35° C
-20° to 60° C
Relative humidity  (noncondensing)
Operating
Nonoperating...

6–2Maintenance and Service Guide
Specifications
✎Applicable product safety standards specify thermal limits for 
plastic surfaces. The computer operates well within this range of 
temperatures.
Shock
Operating
Nonoperating 10 G, 11 ms, half-sine
60 G, 11 ms, half-sine
Vibration Operating
Nonoperating 0.5 G zero-to-peak, 10 to 500 Hz, at 0.5 oct/min 
sweep rate
1.0 G zero-to-peak, 10 to 500 Hz, at 0.5 oct/min  sweep rate
Ta b l e  6 - 1
Computer (Contin ued)
263816m1.book  Page 2  Friday, January 25, 2002...

Specifications
Maintenance and Service Guide 6–3
Ta b l e  6 - 2
14.1-inch XGA, TFT Display
Dimensions
Height
Depth
Diagonal 8.97 in
11.76 in
14.1 in 22.8 cm
29.9 cm
35.81 cm
Number of colors 256K
Contrast ratio 150:1
Brightness 120+ nit
Pixel resolution Pitch
For mat
Configuration 0.279 × 0.279 mm
1024 × 768
RGB vertical stripe
Backlight Cold cathode fluorescent, 1 tube
Character display 80 × 25
Refresh 60 Hz
Total power  consumption 4.75 W
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6–4Maintenance and Service Guide
Specifications
Ta b l e  6 - 3
13.3-inch XGA, TFT Display
Dimensions
Height
Depth
Width 7.98 in
10.64 in
13.30 in 20.28 mm
27.03 mm
33.79 mm
Number of colors Up to 16.8 million
Contrast ratio 150:1
Brightness 120 nits minimum, 150 nits typical
Pixel resolution Pitch
For mat
Configuration 0.264 × 0.264 mm
1024 × 768
RGB stripe
Backlight Edge lit, bottom
Character display 80 × 25
Refresh 60 Hz
Total power  consumption 4.0 W
263816m1.book  Page 4  Friday, January 25, 2002...

Specifications
Maintenance and Service Guide 6–5
Table 6-3
Hard Drives
30 GB 20 GB 15 GB 10 GB
User capacity per  drive
130.0 GB 20.0 GB 15.0 GB 10.0 GB
Drive height (with drive frame) 9.5 mm 9.5 mm 9.5 mm 9.5 mm
Drive width (with drive frame) 70 mm 70 mm 70 mm 70 mm
Interface type ATA - 5 ATA - 5 ATA - 4 ATA - 4
Seek times  (typical read, including setting)
Single track
Average
Full stroke 2.5 ms
12.0 ms
23.0 ms2.5 ms
12.0 ms
23.0 ms2.5 ms
12.0 ms
24.0 ms 2.5 ms
12.0 ms
23.0 ms
User addressable...

6–6Maintenance and Service Guide
Specifications
30 GB 20 GB 15 GB 10 GB
Physical configuration Cylinders
3
Heads
Sectors per track
3
Bytes per sector 22,784
6
293 to 560
51222,784
4
293 to 560
51225,800
2
398 to 731
512 22,784
4
293 to 560
512
Buffer size
32 MB 2 MB 512 KB 512 KB
Disk rotational  speed 4200 rpm 4200 rpm 4200 rpm 4200 rpm
Transfer rate Interface max (MB/s)
2
Media (Mb/s)3
66.6
109 to 203 66.6
109 to 203100
155 to 256 66.6
109 to 203
11 GB = 1,000,000,000 bytes.2System capability may...

Specifications
Maintenance and Service Guide 6–7
Ta b l e  6 - 4
Diskette Drive
Diskette size3.5 inch
Light On system
Height 0.5 in (12.7 mm)
Bytes per sector 512
Sectors per track High density
Low density 18 (1.44 MB)
9
Tracks per side High density
Low density 80
80
Read/write heads 2
Average seek times
Track-to-track (high/low)
Average (high/low)
Settling time
Latency average 3 to 6 ms
95 to 174 ms
15 ms
100 ms
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6–8Maintenance and Service Guide
Specifications
Table 6-5
CD-ROM Drive
Applicable disk CD-ROM (Mode 1, 2, and 3)
CD-XA ready (Mode 2, Form 1 and 2)
CD-I ready (Mode 2, Form 1 and 2)
CD-R (read only)
CD Plus
Photo CD (single/multisession)
CD-Extra
Video CD
CD-WO (fixed packets only)
CD-Bridge
Center hole diameter .59 in 1.5 cm
Disk diameter 12 cm, 8 cm
Disk thickness .047 in 1.2 mm
Tr a c k  p i t c h 1.6 µm
Access time Random
Full stroke < 150 ms
< 300 ms
Cache buffer 128 KB
Data transfer rate
Sustained,...

Specifications
Maintenance and Service Guide 6–9
Table 6-6
DVD-ROM Drive
Applicable diskDVD-5, DVD-9, DVD-10
CD-ROM (Mode 1 and 2)
CD Digital Audio
CD-XA ready (Mode 2, Form 1 and 2)
CD-I ready (Mode 2, Form 1 and 2)
CD-R (read only)
CD Plus
Photo CD (single/multisession)
CD-Bridge
Center hole diameter .59 in 1.5 cm
Disk diameter 12 cm, 8 cm
Disk thickness .047 in 1.2 mm
Tr a c k  p i t c h .74 µm
Access time Random
Full stroke < 150 ms
< 225 ms
Audio output level Line-out, 0.7 Vrms
Cache buffer 512 KB...