compaq presario 3000 series User Manual

6–14Maintenance and Service Guide
Specifications
Table 6-10
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 Unused
64 KB...

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
307503-002.book  Page 1  Thursday, January 30, 2003  1:04 PM 

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
307503-002.book  Page 2  Thursday, January 30, 2003  1:04 PM 

Connector Pin Assignments
Maintenance and Service GuideA–3
Ta b l e  A - 4
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.
307503-002.book  Page 3  Thursday, January 30, 2003  1:04 PM 

A–4Maintenance and Service Guide
Connector Pin Assignments
Ta b l e  A - 5
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
307503-002.book  Page 4  Thursday, January 30, 2003  1:04 PM 

Connector Pin Assignments
Maintenance and Service GuideA–5
Ta b l e  A - 6
Stereo Speaker/Headphone
Pin Signal Pin Signal
1 Audio out 2 Ground
Ta b l e  A - 7
Microphone
Pin Signal Pin Signal
1 Audio in 2 Ground
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Maintenance and Service GuideB–1
B
Power Cord Set Requirements
3-Conductor Power Cord Set
The wide range input feature of the notebook 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 notebook 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 notebook is used. For more 
information on power cord set...

B–2Maintenance and Service Guide
Power Cord Set Requirements
Country-Specific Requirements
3-Conductor Power Cord Set Requirements
Country Accredited Agency Applicable Note Number
Australia EANSW 1
Austria OVE 1
Belgium CEBC 1
Canada CSA 2
Denmark DEMKO 1
Finland FIMKO 1
France UTE 1
Germany VDE 1
Italy IMQ 1
Japan METI 3
The Netherlands KEMA 1
Norway NEMKO 1
Sweden SEMKO 1
Switzerland SEV 1
307503-002.book  Page 2  Thursday, January 30, 2003  1:04 PM 

Power Cord Set Requirements
Maintenance and Service GuideB–3
United Kingdom BSI 1
United States UL 2
Notes
1. The flexible cord must be  Type HO5VV-F, 3-conductor, 1.0 mm
2 
conductor size. The power cord set fittings (appliance coupler and wall plug) 
must bear the certification mark of the agency responsible for evaluation in 
the country where they will be used.
2. The flexible cord must be Type SPT-3 or equivalent, No. 18 AWG, 
3-conductor. The wall plug must be a two-pole grounding type with a NEMA...

Maintenance and Service GuideC–1
C
Screw Listing
This appendix provides specification and reference information 
for the screws used in the notebook. All screws listed in this 
appendix are available in the Miscellaneous Screw Kit, spare part 
number 310658-001.
307503-002.book  Page 1  Thursday, January 30, 2003  1:04 PM