compaq notebook evo n160 series User Manual

Specifications
Maintenance and Service Guide6–15 I/O Address (hex)System Function (shipping configuration)
0A2 - 0BF Unused
0C0 - 0DF DMA controller no. 2
0E0 - 0EF Unused
0F0 - 0F1 Coprocessor busy clear/reset
0F2 - 0FF Unused
100 - 16F Unused
170 - 177 Secondary fixed disk controller
178 - 1EF Unused
1F0 - 1F7 Primary fixed disk controller
1F8 - 200 Unused
201 Joystick (decoded in ESS1688)
202 - 21F Unused
220 - 22F Entertainment audio
230 - 26D Unused
26E - 26 Unused
278 - 27F Unused
280 - 2AB Unused...

6–16Maintenance and Service Guide
Specifications
I/O Address (hex)System Function (shipping configuration)
2F0 - 2F7 Unused
2F8 - 2FF Infrared port
300 - 31F Unused
320 - 36F Unused
370 - 377 Secondary diskette drive controller
378 - 37F Parallel port (LPT1/default)
380 - 387 Unused
388 - 38B FM synthesizer - OPL3
38C - 3AF Unused
3B0 - 3BB VGA
3BC - 3BF Reserved (parallel port/no EPP support)
3C0 - 3DF VGA
3E0 - 3E1 PC Card controller in CPU
3E2 - 3E3 Unused
3E8 - 3EF Internal modem
3F0 - 3F7“A”...

Specifications
Maintenance and Service Guide6–17
Table 6-13
System Memory Map
Size Memory Address System Function
640 KB 00000000 - 0009FFFF Base memory
128 KB 000A0000 - 000BFFFF Video memory
48 KB 000C0000 - 000CBFFF Video BIOS
160 KB 000C8000 - 000E7FFF Unused
64 KB 000E8000 - 000FFFFF System BIOS
15 MB 00100000 - 00FFFFFF Extended memory
58 MB 01000000 - 047FFFFF Super extended memory
58 MB 04800000 - 07FFFFFF Unused
2 MB 08000000 - 080FFFFF Video memory (direct access)
4 GB 08200000 - FFFEFFFF...

Maintenance and Service GuideA–1
A
Connector Pin Assignments
Ta b l e  A - 1
RJ-45 Network Interface
Pin Signal Pin Signal
1 Transmit + 5 Unused
2 Transmit - 6 Receive -
3 Receive + 7 Unused
4Unused 8Unused
6 5
4 3
2 1
7
8 

A–2Maintenance and Service Guide
Connector Pin Assignments
Ta b l e  A - 2
RJ-11 Modem
Pin Signal Pin Signal
1Unused 4Unused
2 Tip 5 Unused
3Ring 6Unused
Ta b l e  A - 3
Universal Serial Bus
Pin Signal Pin Signal
1 +5 VDC 3 Data +
2 Data - 4 Ground 

Connector Pin Assignments
Maintenance and Service GuideA–3
Ta b l e  A - 4
S-Video
Pin Signal Pin Signal
1 Ground (Y) 3 Y-Luminance (Intensity)
2 Ground (C) 4 C-Chrominance (Color) 

A–4Maintenance and Service Guide
Connector Pin Assignments
Ta b l e  A - 5
Parallel
Pin Signal Pin Signal
1 Strobe* 10 Acknowledge*
2 Data bit 0 11 Busy
3 Data bit 1 12 Paper out
4 Data bit 2 13 Select
5 Data bit 3 14 Auto line feed*
6 Data bit 4 15 Error*
7 Data bit 5 16 Initialize printer*
8 Data bit 6 17 Select in*
9 Data bit 7 18-25 Signal ground
*Signal is active low.
114
25
13 

Connector Pin Assignments
Maintenance and Service GuideA–5
Ta b l e  A - 6
External Monitor
Pin Signal Pin Signal
1 Red analog 9 +5 VDC
2 Green analog 10 Ground
3 Blue analog 11 Monitor detect
4 Not connected 12 DDC 2B data
5 Ground 13 Horizontal sync
6 Ground analog 14 Vertical sync
7 Ground analog 15 DDC 2B clock
8 Ground analog
1 6115 1015 

A–6Maintenance and Service Guide
Connector Pin Assignments
Ta b l e  A - 7
Stereo Speaker/Headphone
Pin Signal Pin Signal
1 Audio out 2 Ground
21
Ta b l e  A - 8
Microphone
Pin Signal Pin Signal
1 Audio in 2 Ground
21 

Maintenance and Service GuideB–1
B
Power Cord Set Requirements
3-Conductor Power Cord Set
The computer’s wide range input feature permits it to operate 
from any line voltage from 100 to 120 or 220 to 240 volts AC.
The power cord set received with the computer meets the 
requirements for use in the country where the equipment is 
purchased.
Power cord sets for use in other countries must meet the 
requirements of the country where the computer is used. For more 
information on power cord set...