1
Hardware Overview
1.5
Power
Supply
1.5 Power
Supply
The power supply supplies eight different voltages to the system board.
The power supply microcontroller has the following functions.
1. Judges that the DC power supply (AC adapter) is connected to the computer.
2. Detects DC output and circuit malfunctions.
3. Controls the battery icon, and DC IN icon.
4. Turns the battery charging system on and off and detects a fully charged battery.
5. Turns the power supply on and off.
6. Provides more accurate detection of a low battery.
7. Calculates the remaining battery capacity.
8. Controls the transmission of the status signal of the main battery.
Table 1-5 lists the power supply output specifications.
Table 1-5 Power supply output specifications
Device Name
DC Voltage
(V)
CPU
PPV
1.000 -
0.748
MCH-M
MCH1R2-P1V
1.2
CPU,MCH-M,ICH4-M
PTV
1.075
GPU
2R5-P2V
2.5
MCH-M,SDRAM
2R5-B2V
2.5
SDRAM
1R25-B1V
(1R25M-B1V)
1.25
GPU
PGV
1.2-1.5
ICH4-M,KINNERETH
LAN-E3V
3.3
ICH4-M,EC/KBC
S3V
3.3
YEBISUSS,PC Card,MDC
B3V
3.3
Clock Generator,ADM1032,ICH4-M,FWH,Mini PCI,
GPU,LCD,AD1981B,HDD
P3V
3.3
1-14
PORTEGE R100 Maintenance Manual (960-440)
Summary of Contents for Portege R100
Page 9: ...Chapter 1 Hardware Overview ...
Page 10: ...1 Hardware Overview 1 Hardware Overview 1 ii PORTEGE R100 Maintenance Manual 960 440 ...
Page 31: ...Chapter 2 Troubleshooting Procedures ...
Page 32: ...2 Troubleshooting Procedures 2 2 ii PORTEGE R100 Maintenance Manual 960 440 ...
Page 36: ...2 Troubleshooting Procedures 2 vi PORTEGE R100 Maintenance Manual 960 440 ...
Page 87: ...Chapter 3 Tests and Diagnostics ...
Page 88: ...3 Tests and Diagnostics 3 3 ii PORTREGE R 100 Maintenance Manual 960 440 ...
Page 163: ...3 24 SETUP 3 Tests and Diagnostics PORTEGE R100 Maintenance Manual 960 440 3 73 ...
Page 164: ...Chapter 4 Replacement Procedures ...
Page 165: ...4 Replacement Procedures 4 4 ii PORTEGE R100 Maintenance Manual 960 440 ...
Page 229: ...Appendices ...
Page 230: ...Appendices App ii PORTEGE R100 Maintenance Manual 960 440 ...
Page 236: ...Appendices App viii PORTEGE R100 Maintenance Manual 960 440 ...
Page 242: ...Appendices Apx A Handling the LCD Module A 6 PORTEGE R100 Maintenance Manual 960 440 ...
Page 274: ...Appendices 1 Pin Assignment 1 26 Portégé R100 Maintenance Manual 960 440 ...
Page 286: ...Appendices Apx E Key Layout E 2 PORTEGE R100 Maintenance Manual 960 440 ...
Page 288: ...Appendices Apx F BIOS KBC EC Update F 2 PORTEGE R100 Maintenance Manual 960 440 ...
Page 290: ...Appendices Apx G Reliability G 2 PORTEGE R100 Maintenance Manual 960 440 ...
Page 292: ...Appendices Apx H Key FD H 2 PORTEGE R100 Maintenance Manual 960 440 ...