Toshiba PORTEGE M300 Maintenance Manual page 36

1 Hardware Overview
Name
Voltage
[V]
0.748-
PPV
1.484
PTV 1.05
1R8-P1V 1.8
1.35
1R35-P1V
A1R35-P1V 1.35
2R5-B2V 2.5
2.5
Q2R5-B2V
MR1R25-B1V 1.25
1R25M-B1V 1.25
1.5
1R5-S1V
S3V 3.3
M5V
5.0
MCV 5.0
5.0
E5V
3.3
E3V
FM-E3V 3.3
3.3
PHY-E3V
LAN-E3V 3.3
1.5
LAN1R5-E1V
MCVCCA-EYV 3.3
MCVCCB-EYV 3.3/5.0
5.0
MCVPPB-EYV
R3V 2.0-3.5
1-26
Table 1-10 Power supply output rating (1/2)
Power supply
Power OFF
Power OFF
(Suspend
(Boot mode)
mode)
No No
No No
No No
No No
No No
Yes No
Yes No
Yes No
Yes No
Yes Yes
Yes Yes
Yes Yes
Yes Yes
Yes No
Yes No
Yes No
Yes No
Yes No
Yes No
Yes No
Yes No
Yes No
Yes Yes
(Yes/No)
No
Battery
No
No CPU(VCC), GMCH, ICH4-M
No
No
No GMCH(VCCASM)
No GMCH, DDR-SDRAM
No GMCH(VCCQSM)
SO-DIM DDR-SDRAM(VREF),
No
No On board DDR SDRAM(VREF)
No
ICH4-M. EC/KBC,
No
(Acceleration sensor)
ICH4-M. Thermal RESET IC,
No Docker(PnP ID EEPROM),
No
No PC Card Power, USB Power
PCI7421, 1394 EEPROM,
PC/CF/SD Card Power,
No
Mini PCI, LAN Power,
RS232C Driver/Receiver, MDC
No
PCI7421(1394 OHCI)
No
[Connected to E3V]
ICH4-M, LAN PHY, LAN LED
No
[Connected to E3V]
No
No PCI7421, CardBus A (CF)
No PCI7421, CardBus B (PC-card)
No CardBus B (PC-card)
Yes
ICH4-M(VCCRTC),
PORTEGE M300 Maintenance Manual (960-504)
1.8 Power Supply
Object
CPU(VCC)
CPU(VCCA0)
GMCH
GMCH
ICH4-M
LEDs,
PSC
SD Card
ICH4-M