Справочник Пользователя для Toshiba 960-498

Скачать
Страница из 365
1.7  Power Supply 
1  Hardware Overview 
1.7 Power 
Supply 
The power supply supplies twenty-five different voltages to the system board. 
The power supply microcontroller has the following functions. 
1.  Judges if 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 1-7 lists the power supply output specifications. 
Table 1-7  Power supply output rating (1/2) 
Power supplied  (Yes/No 
Name
 
Voltage 
[V]
 
Power OFF 
Suspend mode 
Power OFF 
Boot mode 
No 
Battery 
Use 
PPV 
1.308 – 
0.748 
No No No 
CPU 
PTV 
1.07 
No 
No 
No 
CPU, MCH, ICH4-M 
PGV 1.20 
No 
No 
No 
GPU 
1R8-P1V 
1.8 
No 
No 
No 
CPU, MCH, ICH4-M 
1R2-P1V 1.2 No 
No  No 
MCH 
1R25-B1V 1.25 Yes 
No 
No DDR-SDRAM 
Termination 
1R5-P1V 
1.5 
No 
No 
No 
MCH, ICH4-M, GPU 
1R5-S1V 1.5 Yes  Yes  No 
ICH4-M 
2R5-P2V 2.5 No 
No  No 
GPU, SDRAM(GFX), SVP, 
LVDS 
2R5-B2V 2.5 Yes  No  No 
MCH, 
DDR-SDRAM 
FM-E3V 3.3 
No  No  No 
Media 
Bridge 
BT-P3V 3.3 
No  No  No 
Bluetooth 
  
1-22 
 
QOSMIO F10  Maintenance Manual (960-498)