Chapter 1 Hardware Overview

Satellite P300Maintenance Manual (960-Q08) 23

1.7 Power Rails

Table 1-8 lists the power rail output specifications of Santa Rosa platform.

Table 1-8 Power supply output rating

Power supply Yes/No
Name
Voltage [V] Power OFF
Suspend mode Power OFF
Boot mode No Battery
+5VPCU 5 Yes Yes No
+5V_S5 5 Yes No No
+5V 5 No No No
+5VSATA 5 No No No
USBPWR1 5 No No No
+5V_TP 5 No No No
VCCRTC 3.3 Yes Yes Yes
TH_FAN_POWER 3.1~5 No No No
+3VPCU 3.3 Yes Yes No
+3V_S5 3.3 Yes No No
+3VSUS 3.3 Yes No No
+3V 3.3 No No No
CCD_POWER 3.3 No No No
VCC_XD 3.3 No No No
+1.8VSUS 1.8 Yes No No
+1.5V 1.5 No No No
+1.25V 1.25 No No No
+1.05V 1.05 No No No
VCC_CORE 0.55~1.575 No No No