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Toshiba satellite a20 series Personal Computer User Manual

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1.9 Power Supply 1 Hardware Overview

The power supply output rating is specified in table 1-7.

Table 1-7 Power supply board output rating

Power supplied Yes/No

Use Name

Voltage

(V)

Stand by Power off No battery

CPU,M1672 PPV 1.55-1.25 NO NO NO

CPU

VID1R2-

P1V

1.2 NO NO NO

M1672,Memory 2R5-B2V 2.5 YES NO NO

M1535+,Clock Generator 2R5-P2V 2.5 NO NO NO

Memory 1R25-B1V 1.25 YES NO NO

Memory

MR1R25-

B1V

1.25 YES NO NO

M1672 BMV 3.3 YES NO NO

LAN LAN-E3V 3.3 YES YES NO

LAN

LAN-

E2R5V

2.5 YES YES NO

M1672,YEBISUSS-GA,Mini PCI,PC-

Card(s),uPD720101,TVXPRESS2

B3V 3.3 YES NO NO

M1535+,Clock

Generator,Memory,Mini PCI

P3V 3.3 NO NO NO

LCD PNL-P3V 3.3 NO NO NO

USB Power E5V 5.0 YES NO NO

M1672,PC-Card(s) B5V 5.0 YES NO NO

M1535+,BIOS,HDD,Mini

PCI,Keyboard,TouchPad,FAN,LEDs

P5V 5.0 NO NO NO

ODD CD-E5V 5.0 YES YES NO

FL-inv FL-P5V 5.0 NO NO NO

SD card SD-B3V 3.3 YES NO NO

MDC MDC-B3V 3.3 YES NO NO

CRT DDC-P5V 5.0 NO NO NO

Sound SND-E5V 5.0 YES YES NO

Sound

CDA4R7-

E4V

4.7 YES YES NO

Sound A4R7-P4V 4.7 NO NO NO

Pull-ups 15-EBV 9.0-11.5 YES NO NO

FAN FANVCC 0-5.0 NO NO NO

EC/KBC,M1535+,OZ168 S3V 5.0 YES YES NO

M1535+,OZ168,LEDs,Battery S5V 5.0 YES YES NO

PSC MCV 5.0 YES YES NO

RTC(CLK 32kHz) R3V 2.0-3.5 YES YES YES

Satellite A20 Maintenance Manual (960-444) 1-27

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