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
