1.8 Power Supply 1 Hardware Overview
PORTEGE M300 Maintenance Manual (960-504) 1-25
Table 1-10 Power supply output rating (1/2)
Power supply (Yes/No)
Name
Voltage
[V]
Power OFF
(Suspend mode)
Power OFF
(Boot mode)
No
Battery
Object
PPV
0.748-
1.484
No No No CPU(VCC)
PTV
1.05 No No No CPU(VCC), GMCH, ICH4-M
1R8-P1V
1.8 No No No CPU(VCCA0)
1R35-P1V
1.35 No No No GMCH
A1R35-P1V
1.35 No No No GMCH(VCCASM)
2R5-B2V
2.5
Yes
No No GMCH, DDR-SDRAM
Q2R5-B2V
2.5
Yes
No No GMCH(VCCQSM)
MR1R25-B1V
1.25
Yes
No No
SO-DIM DDR-SDRAM(VREF),
GMCH
1R25M-B1V
1.25
Yes
No No On board DDR SDRAM(VREF)
1R5-S1V
1.5
Yes Yes
No ICH4-M
S3V
3.3
Yes Yes
No
ICH4-M. EC/KBC,
(Acceleration sensor)
M5V
5.0
Yes Yes
No
ICH4-M. Thermal RESET IC,
Docker(PnP ID EEPROM),
LEDs,
MCV
5.0
Yes Yes
No PSC
E5V
5.0
Yes
No No PC Card Power, USB Power
E3V
3.3
Yes
No No
PCI7421, 1394 EEPROM,
PC/CF/SD Card Power,
Mini PCI, LAN Power,
RS232C Driver/Receiver, MDC
FM-E3V
3.3
Yes
No No SD Card
PHY-E3V
3.3
Yes
No No
PCI7421(1394 OHCI)
[Connected to E3V]
LAN-E3V
3.3
Yes
No No
ICH4-M, LAN PHY, LAN LED
[Connected to E3V]
LAN1R5-E1V
1.5
Yes
No No ICH4-M
MCVCCA-EYV
3.3
Yes
No No PCI7421, CardBus A (CF)
MCVCCB-EYV
3.3/5.0
Yes
No No PCI7421, CardBus B (PC-card)
MCVPPB-EYV
5.0
Yes
No No CardBus B (PC-card)
R3V
2.0-3.5
Yes Yes Yes
ICH4-M(VCCRTC),
32.768KHz generator
1R25-P1V
1.25 No No No DDR-SDRAM(Termination)
1R5-P1V
1.5 No No No GMCH(DVO), ICH4-M
