Chapter 1 Hardware Overview

Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645 Maintenance Manual (960-Q08)

1.6 Power Rails

Table 1-6-1 lists the power rail output specifications of Calpella platform.

Power supply （Yes/No）
Name Voltage [V] Power OFF
Suspend mode Power OFF
Boot mode No Main Battery(with RTC
battery)
+5VPCU 5 Yes Yes No
+5V 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
+1.5VSUS 1.5 Yes No No
+SMDDR_VTERM 0.75 Yes No No
+SMDDR_VREF 0.75 Yes No No
+1.8V 1.8 No No No
+1.5V 1.5 No No No
+1.2V 1.25 No No No
+1.05v 1.05 No No No
+VTT 1.05-1.1 No No No
+GPU_CORE 0.9~1.12 No No No
+VCC_CORE 0~1.5 No No No
+VCCRTC 3.266 Yes Yes Yes

Table 1-6-1 Calpella Power supply output rating