Toshiba Qosmio F10 Series, Maintenance Manual

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1.7 Power Supply 1 Hardware Overview
1-22 QOSMIO F10 Maintenance Manual (960-498)
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