. Various NP X20 X25 PCB Diagram free download

File name NP_X20_X25_PCB_Diagram.pdf

. This Document can not be used without Samsung's authorization. 9. 9-1. External Graphic www.kythuatvitinh.com 9 - 1 4 3 2 1 SAMSUNG PROPRIETARY THIS DOCUMENT CONTAINS CONFIDENTIAL PROPRIETARY INFORMATION THAT IS SAMSUNG ELECTRONICS CO'S PROPERTY. DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS EXCEPT AS AUTHORIZED BY SAMSUNG. D SCHEMATIC ANNOTATIONS AND BOARD INFORMATION D PCI Devices Voltage Rails Devices IDSEL# REQ/GNT# Interrupts Cardbus AD25 0 A,B,C VDC Primary DC system power supply (7 to 21V) AD21 3 VCC_CORE Core voltage for DOTHAN (1.308~1.068V) MiniPCI SLOT1 AD23 2 D,E VTT DOTHAN/ALVISO Processor System Bus(PSB) Termination (1.05V) USB AD29(internal) - USB2.0 #0 : A MCH-M Core Voltage USB2.0 #1 : D USB2.0 #2 : C P0.9V 0.9V switched power rail (off in S3-S5) Hub to PCI AD30(internal) - - P1.2V 1.2V switched power rail (off in S3-S5) LPC bridge/IDE/AC97/SMBUS AD31(internal) - B P1.5V