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MiTAC 7521 PLUS/N service manual plus+5V+3V+12VS1.8V2.5V

Models: 7521 PLUS/N

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7521 plus_+5V_+3V_+12V_S1.8V_2.5V

	A										B									C											D											E
				1				2																					PQ10						S1.8V
																													PQ10						S1.8V
			JO1			OPEN-SMT4								1		2													SI2302DS
														PL1										+S3V_P					SOT23_FET
														PL1
														BEAD_120Z/100M
				8										0805C						+5V								D	D S	S
				7					3											+5V
1	+S5V_P			6										1		2														G																1
1	+S5V_P			5					2																																					1
				5		D		S	2					PL2
						D		S						PL2
						G					1			BEAD_120Z/100M												+S5V_P						1
							4	1					PC5	0805C																	PC51
							4	1					0.1U																		PC51	PR25
										PQ3			0603													1		2		1	2	4.53K	1		1		1
	+S12V									SI4416DY	2		50V																			0603	1	PC39	1	PC42	1	PC34
	PR5									SO8												1					PR22		2			1%		1U		1U		0.1U
	PR5																					1	PC29	1			1K		2		1000P	2		0805		0805		0603
	1	2																					10U	1	PC37		0603				0603		2	10V	2	10V	2	50V
																						2	1206		1U					1	10%,X7R
							1			+S5V_P							1		1			2	16V		0805
	100K						1										1	PC11	1	PC17				2	10V					PQ11
	0603							PR4										10U		0.1U									3	SCK431LCSK-0		1
								33		1								1206		0603										SOT23N
								0603		1							2	10V	2	50V												PR26
										PR17																						10K
							2			100K/NA																						0603
										0603																						1%
							D			2																						2
						PQ1	D			OD5
				2N7002			S	G		OD5
							S																							GND
																														GND
																																								+3V				+S3V
								GND									GND
																																									PC134
																												PQ13													1		2
																												PQ13
																												SI2302DS					2.5V								1U	10V	0805
																							+3V					SOT23_FET
2																																										PC133				2
				1				2		PQ504																	D	D S	S												1		2
										PQ504
			JO502			OPEN-SMT4				SI4416DY																			G												1U	10V	0805
										SO8										+3V
																				+3V
				8					3																+5V							1
				7					3																					PC80		PR38
	+S3V_P			6									1		2															PC80		PR38
	+S3V_P			5					2																	1	2			1	2	10K	1		1
				5		D			2																	1	2			1	2	10K
						D		S					PL505													PR39						0603		PC66		PC67
						G				1			BEAD_120Z/100M													PR39		2				1%		10U		0.1U
										1	PC518		0805C										1			1K		2		1000P		2		1206		0603
											PC518		0805C													1K				1000P				1206		0603
	+S12V						4	1			0.1U													PC65		0603				0603			2	16V	2	50V
											0603													1U					1	10%,X7R
	PR505									2	50V													0805
	PR505																						2	10V				3		PQ14
	1	2																										3		SCK431LCSK-0		1
	1	2																												SCK431LCSK-0		1
																														SOT23N
																																PR37
	100K						1		+S5V_P							1			1													10K
	0603																PC519			PC520												0603
								PR506									22U			0.1U												1%
								33		1							1210			0603												2
								33									1210			0603
								0603								2	10V		2	50V
							2			PR507
							2			100K/NA
										0603
							D			2																			GND
							D			2
						PQ505 D				OD3
				2N7002			S	G		OD3
							S
																				+S1.8V						JO4					S1.8V
																										1	2
								GND									GND									SHORT-SMT4
3																										SHORT-SMT4																				3
3																																														3
																				+1.8V						JO6					1.8V
																					1	2				1	2
																					PL507					SHORT-SMT4
			JO501						PQ501											1	BEAD_120Z/100M		1	1																			OD3
		1				2			SI2301DS											C719	0805C		C131			C127														R559	1	2	OD3
									SOT23_FET											1U			1U			1U														0/NA
			OPEN-SMT2																	0603			0603			0603														0603B_DFS		0603
																				2			2	2
	+S12V		S	D S		D										+12V
	+S12V		S			D										+12V																								R28	1	2	OD5
																																	6	PSON#						R28	1	2	OD5
			G																														6	PSON#						0/NA		0603
			G	G																																				0/NA		0603
				G																GND			GND			GND														0603B_DFS
	1							1	PC504											GND			GND			GND														0603B_DFS
	PR501								PC504
	PR501								0.1U
	100K								0603
	0603							2	50V																															R26	1	2	OD12
	2																			VTT						JO7					1.5V									0/NA			0603
	2										1			1												1	2													0603B_DFS
											1	PC505		1	PC506											1	2													0603B_DFS
												PC505			PC506											SHORT-SMT4
												1U			0.1U											SHORT-SMT4
			1					+S5V_P				0805			0603
			1								2	10V		2	50V
												10V			50V
					PR502															+2.5V						JO5					2.5V
					33			1																		1	2
					0603																					SHORT-SMT4
								PR8																		SHORT-SMT4
			2					100K
								0603
								2												VMAIN						JO33					D/VMAIN
			D					2			GND															1	2
		PQ2	D																							SHORT-SMT4
		2N7002 S				G														+S5V						JO2					+S5V_P
4			S																	+S5V						JO2					+S5V_P															4
			S						D																	1	2
								PQ4	D	G OD12																SHORT-SMT4
								2N7002 S		G OD12										+S3V						JO3					+S3V_P
									S											+S3V						JO3					+S3V_P
									S																	1	2
																										1	2
																										SHORT-SMT4
				GND						GND																												Title
																																						Title	7521 plus_+5V_+3V_+12V_S1.8V_2.5V
																																							7521 plus_+5V_+3V_+12V_S1.8V_2.5V
																																						Size	Document							Rev
																																						C	Document							02
																																						C	Number	SD411670000002
																																							Number	SD411670000002
																																						Date:		Tuesday, May 08, 2001			Sheet	29	of	30
	A										B									C											D											E

Image 173

MiTAC 7521 PLUS/N service manual plus+5V+3V+12VS1.8V2.5V

Contents

TESTING TECHNOLOGY DEPARTMENT // TSSCTSSC SERVICE MANUAL & TROUBLESHOOTINGGG GUIDEGUIDEGUIDE FORFORFOR7521 Plus/N BY： Richard WangCONTENTS 7521Plus / N N/B MAINTENANCE11. 7521 Plus/N Schematics 7521Plus / N N/B MAINTENANCECONTENTS 7521Plus / N N/B MAINTENANCE 1. Hardware Engineering Specification1.1 Introduction 7521Plus / N N/B MAINTENANCE 1.2 Hardware System1.2.1 System parts 1.2.2 CPU MODULE 7521Plus / N N/B MAINTENANCE1.2.3 Synthesizer 1.2.4 SiS630S Slot 1/Socket 370 2D/3D Ultra-AGPSiS630S Features 7521Plus / N N/B MAINTENANCEIntegrated DRAM Controller 7521Plus / N N/B MAINTENANCEVirtual PCI-to-PCI Bridge 7521Plus / N N/B MAINTENANCEFast PCI IDE Master/Slave Controller Supports High Quality Dithering Supports Bump Mapping 7521Plus / N N/B MAINTENANCEBuilt-In 64x64x2 Bit-Mapped Hardware Cursor 7521Plus / N N/B MAINTENANCEBuilt-in Reference Voltage Generator and Monitor Sense Circuit 7521Plus / N N/B MAINTENANCEAdvanced PCI H/W Audio & Modem Advanced Power Management 7521Plus / N N/B MAINTENANCELow Pin Count Interface Integrated DMA ControllerIntegrated Interrupt Controller 7521Plus / N N/B MAINTENANCEThree 8254 Compatible Programmable 16-bits counters Integrated Keyboard ControllerNAND Tree for Ball Connectivity Testing 672-Balls BGA Package 7521Plus / N N/B MAINTENANCEUniversal Serial Bus Host Controller I²C Bus/SMBus Series Interface1.2.5 Super IO NS PC 97338VJG 7521Plus / N N/B MAINTENANCE1.2.6 PC CARD interface controller TI1225 7521Plus / N N/B MAINTENANCE1.2.7 DUAL-SLOT PC CARD POWER INTERFACE SWITCH TPS2206 7521Plus / N N/B MAINTENANCE1.2.8 Keyboard system H8 3434F universal keyboard controller Memory16-bit free-running timer 7521Plus / N N/B MAINTENANCE8-bit timer 2 channels PWM timer 2 channelsPower-down modes 7521Plus / N N/B MAINTENANCECover switch Battery charging control Smart Battery monitoring Fan control and LED indicator serial interface 100pin TQFP1.2.9.1 System BIOS and Software Features Overview 7521Plus / N N/B MAINTENANCE1.2.9 System BIOS 1.2.9.2 BIOS Setup Feature Introduction 7521Plus / N N/B MAINTENANCE1.2.10 POWER MANAGEMENT 7521Plus / N N/B MAINTENANCEACPI Power States Summary of Global Power StatesSummary of Device Power Sates 7521Plus / N N/B MAINTENANCESystem States 1. Working S0 2.Sleeping State S34.Soft Off State S5 7521Plus / N N/B MAINTENANCE3.Hibernation S4 5.Mechanical Off 7521Plus / N N/B MAINTENANCEComponent Level Power Management Matrix Power State 1.Full Power 7521Plus / N N/B MAINTENANCEAPM Concept 2. Idle4.Suspend 7521Plus / N N/B MAINTENANCE5. Off 7521Plus / N N/B MAINTENANCEComponent Level Power Management Matrix 1.2.11 Memory System 7521Plus / N N/B MAINTENANCE1.2.12 Interface 7521Plus / N N/B MAINTENANCE1.2.13 Audio System AC’97 CODEC CS4299 7521Plus / N N/B MAINTENANCE1.2.14 IR MODULE HSDL-3600#007 7521Plus / N N/B MAINTENANCE7521Plus / N N/B MAINTENANCE SiS900 Features 7521Plus / N N/B MAINTENANCESupports PC97, PC98, and Net PC requirements - Green PC compatible 7521Plus / N N/B MAINTENANCEAdditional features 1.2.16 CH7005C Digital PC to TV Encoder 7521Plus / N N/B MAINTENANCECH7005 Features 1.3.1 Hot Key Function 1.3.2 Easy Start Button function 1.3 Special Feature Function7521Plus / N N/B MAINTENANCE 1.3.4 LED Indicators 7521Plus / N N/B MAINTENANCE1.3.3 Flash ROM BIOS 1.3.5 COM port assignment 1.4 SMM and System BIOS7521Plus / N N/B MAINTENANCE HDD & Video access 7521Plus / N N/B MAINTENANCEBattery Warning Suspend to DRAMCover Switch 7521Plus / N N/B MAINTENANCEBattery Warning State Battery Low State7521Plus / N N/B MAINTENANCE 1.5 Peripheral ComponentsLCD Panel Hard Disk DriveFloppy Disk Drive 7521Plus / N N/B MAINTENANCEKeyboard 24X CD-ROM Drive 7521Plus / N N/B MAINTENANCETouch Pad CD-R/RW drive 7521Plus / N N/B MAINTENANCEDVD-ROM drive LED Indicators 7521Plus / N N/B MAINTENANCECMOS Battery IO portPCMCIA Socket 7521Plus / N N/B MAINTENANCESerial Interface ‰ Dimension 25mmx25mmx10mm±0.5mm 7521Plus / N N/B MAINTENANCE‰ Operating temperature -10 - +70 degree C ‰ Weight 7g ‰ Rated power 0.6 W ‰ Static pressure 0.09 inch-H2OGPI DEFINITIONS 1.6 Appendix 1 GPIO definitions7521Plus / N N/B MAINTENANCE Note 1. LCD ID 7521Plus / N N/B MAINTENANCENote 3. CPU & SDRAM Frequency setting table 2.0 Tools introduction 2 System View and Disassembly7521Plus / N N/B MAINTENANCE 1.Minus screw driver with bit size 3mm for CPU assembly & disassembly7521Plus / N N/B MAINTENANCE 2.1 System View2 System View and Disassembly 2.1.1 Front Viewn Battery Pack o CD-ROM/DVD-ROM Drive p IR Port 7521Plus / N N/B MAINTENANCEn Power Connector o PS/2 Port s RJ-45 Connector t VGA Portn CPU Cover o Modem Card Cover p FDD/HDD Module q Battery Pack 7521Plus / N N/B MAINTENANCE2.1.5 Bottom View 2.1.6 Top-Open View7521Plus / N N/B MAINTENANCE 2.2 System DisassemblyModular Components NOTEBOOK LCD Assembly Components 2.2.1 Battery Pack 2.2.2 CPU 2.2.3 Modem Card 2.2.4 FDD/HDD ModuleReassembly 7521Plus / N N/B MAINTENANCE2.2.1 Battery Pack Disassembly 2.2.2 CPU Disassembly 7521Plus / N N/B MAINTENANCE3. Replace the CPU compartment cover and secure with two screws 7521Plus / N N/B MAINTENANCE2.2.3 Modem Card Disassembly 7521Plus / N N/B MAINTENANCE3. Replace the compartment cover and secure with one screw 7521Plus / N N/B MAINTENANCE2.2.4 FDD/HDD Module Disassembly 7521Plus / N N/B MAINTENANCE3. To take the hard disk drive apart, remove two screws of the hard disk. Then lift the hard disk up and unplug the connector to remove it. figure 7521Plus / N N/B MAINTENANCE2.2.5 CD-ROM Drive Disassembly 7521Plus / N N/B MAINTENANCE6. Hold the CD-ROM drive and slide it outward carefully. figure 7521Plus / N N/B MAINTENANCE1. Open the top cover 7521Plus / N N/B MAINTENANCE1. Remove the keyboard to access the SO-DIMM sockets. See section 2.2.6 Disassembly 7521Plus / N N/B MAINTENANCE2.2.8 LCD Assembly Disassembly 7521Plus / N N/B MAINTENANCE3. Replace the two hinge covers 4. Replace the Easy Start panel 7521Plus / N N/B MAINTENANCE2. Reconnect the LCD cable connectors to the system board 1. Remove the LCD assembly. See section 2.2.8 Disassembly 7521Plus / N N/B MAINTENANCE1. Fit the inverter board back into place and secure with two screws 7521Plus / N N/B MAINTENANCE2.2.11 System Board Disassembly 7521Plus / N N/B MAINTENANCE7. Lift up the speaker assembly and disconnect the cable. figure 7521Plus / N N/B MAINTENANCE8. Remove four screws to take the recharge board apart. figure 7521Plus / N N/B MAINTENANCE6. Replace the base unit frame and secure with twelve screws 7521Plus / N N/B MAINTENANCE1. Remove the system board. See section 2.2.11 Disassembly 7521Plus / N N/B MAINTENANCE3.1 Mother Board-A 3. Definition & Location Of Connectors / Switches7521Plus / N N/B MAINTENANCE J1 Inverter BD CONN J2 LCD panel LVDS connector7521Plus / N N/B MAINTENANCE 3.2 Mother Board Switch Table3. Definition & Location Of Connectors / Switches SW3. CPU & SDRAM Frequency setting table7521Plus / N N/B MAINTENANCE 3.3 Mother Board-B3. Definition & Location Of Connectors / Switches PJ501 Power jack AC adapter7521Plus / N N/B MAINTENANCE 3.4 Daughter Board3. Definition & Location Of Connectors / Switches J1 RJ-11 phone jack for internal modem J23 MDC jump wire connector7521Plus / N N/B MAINTENANCE 3.5 Charger Board3. Definition & Location Of Connectors / Switches J1Charger & Touch-Pad connector to M/B. PJ4Battery pack connector3.7 Easy Start Button Board Easy Start Button Boardside A 3.6 IQSB BoardEasy Start Button Boardside B 7521Plus / N N/B MAINTENANCE4.1 Main Board Side A 4. Definition & Location Of Major Components7521Plus / N N/B MAINTENANCE U13 TPS2206 PCcard Power switch matrix7521Plus / N N/B MAINTENANCE 4.2 Main Board SIDE B4. Definition & Location Of Major Components U502 PH163112 LAN Controller U503 Socket 370 CPU5.1 Pentium III/Celeron FC-PGA2 CPU 5. Pin Descriptions Of Major Components7521Plus / N N/B MAINTENANCE Alphabetical Signal ReferenceAlphabetical Signal Reference 7521Plus / N N/B MAINTENANCESignal Name Signal NameAlphabetical Signal Reference 7521Plus / N N/B MAINTENANCESignal Name Signal DescriptionAlphabetical Signal Reference 7521Plus / N N/B MAINTENANCEPWRGOOD Relationship at Power On PWRGOOD Relationship at Power OnPWRGOOD Relationship at Power On 7521Plus / N N/B MAINTENANCESignal Name Signal DescriptionPWRGOOD Relationship at Power On 7521Plus / N N/B MAINTENANCESignal Name Signal Description7521Plus / N N/B MAINTENANCE 5.2 SiS630S Slot 1/Socket 370 2D/3D Ultra-AGP Single ChipsetPower PowerPower 7521Plus / N N/B MAINTENANCE5. Pin Descriptions Of Major Components 5.2 SiS630S Slot 1/Socket 370 2D/3D Ultra-AGP Single ChipsetPower 7521Plus / N N/B MAINTENANCE5. Pin Descriptions Of Major Components 5.2 SiS630S Slot 1/Socket 370 2D/3D Ultra-AGP Single ChipsetPower management Interface 7521Plus / N N/B MAINTENANCEPower 5. Pin Descriptions Of Major ComponentsPower management Interface 7521Plus / N N/B MAINTENANCE5. Pin Descriptions Of Major Components 5.2 SiS630S Slot 1/Socket 370 2D/3D Ultra-AGP Single Chipset5. Pin Descriptions Of Major Components 7521Plus / N N/B MAINTENANCE5.2 SiS630S Slot 1/Socket 370 2D/3D Ultra-AGP Single Chipset RTC InterfacePower andGroundSignals 7521Plus / N N/B MAINTENANCELegacy I/o and Miscellaneous Signals PowerU2 SH5 6. System Block Diagram7521Plus / N N/B MAINTENANCE 7521Plus / N N/B MAINTENANCE 7. Maintenance Diagnostics7.1 Introduction PIO PORTSYSTEM SOFT BIOS 7521Plus / N N/B MAINTENANCE7. Maintenance Diagnostics 7. Maintenance Diagnostics 7521Plus / N N/B MAINTENANCESYSTEM SOFT BIOS CODE7. Maintenance Diagnostics 7521Plus / N N/B MAINTENANCEPIO CONNECTOR OR P/N4119048000018.1 NO POWER 8.2 NO DISPLAY 8.3 VGA CONTROLLER FAILURE LCD NO DISPLAY 8. TROUBLE SHOOTING8.4 EXTERNAL MONITOR NO DISPLAY 8.5 MEMORY TEST ERROR 8.6 KEYBOARDK/B TOUCH-PADT/P , ESB TEST ERROR7521Plus / N N/B MAINTENANCE 8.1 NO POWER1. Check AC Adaptor 2. Check OUTLET. 3.Check Charge B’D OUTLET8.1 NO POWER 7521Plus / N N/B MAINTENANCEPOWER IN +S5V8.1 NO POWER 7521Plus / N N/B MAINTENANCESymptom POWER IN8.1 NO POWER 7521Plus / N N/B MAINTENANCESymptom No power8.1 NO POWER 7521Plus / N N/B MAINTENANCESymptom 2. Check the power source from AC adapter. PJ5017521Plus / N N/B MAINTENANCE 8.2 NO DISPLAY1. Check if power system is O.K Reboot and display OK?8.2 NO DISPLAY 7521Plus / N N/B MAINTENANCESystem Clock Check U505SH14 TI1225 PCMCIAPower Good & Reset System 7521Plus / N N/B MAINTENANCE7521 Power Module 8.2 NO DISPLAY8.3 VGA CONTROLLER FAILURE LCD NO DISPLAY SIS 630S7521Plus / N N/B MAINTENANCE There is no display or picture abnormal on LCD8.3 VGA CONTROLLER FAILURE LCD NO DISPLAY 7521Plus / N N/B MAINTENANCEThere is no display or picture abnormal on LCD VGA CONTROLLER FAILURE8.4 EXTERNAL MONITOR NO DISPLAY U24 SIS 630S7521Plus / N N/B MAINTENANCE There is no display or picture abnormal on CRT monitor8.4 EXTERNAL MONITOR NO DISPLAY 7521Plus / N N/B MAINTENANCEThere is no display or picture abnormal on CRT monitor VGA CONTROLLER FAILURE7521Plus / N N/B MAINTENANCE 8.5 MEMORY TEST ERROREither on board or extend SDRAM is failure or system hangs up Clock Synthesizer8.5 MEMORY TEST ERROR 7521Plus / N N/B MAINTENANCEEither on board or extend SDRAM is failure or system hangs up Correct it8.6 KEYBOARDK/B TOUCH-PADT/P , ESB TEST ERROR 7521Plus / N N/B MAINTENANCEError message of keyboard failure is shown or any key doesn’t work SIS 630S8.6 KEYBOARDK/B TOUCH-PADT/P , ESB TEST ERROR 7521Plus / N N/B MAINTENANCETroubleshooting Replace M/B or7521Plus / N N/B MAINTENANCE 8.7 CD-ROM DRIVE TEST ERRORAn error message is shown when reading data from CD-ROM drive 630S8.7 CD-ROM DRIVE TEST ERROR 7521Plus / N N/B MAINTENANCEAn error message is shown when reading data from CD-ROM drive Replace M/B or into board-level Troubleshooting7521Plus / N N/B MAINTENANCE 8.8 HARD DRIVE TEST ERROR630S +5VSHDD8.8 HARD DRIVE TEST ERROR 7521Plus / N N/B MAINTENANCEReplace mother BD or into board-level Troubleshooting Parts7521Plus / N N/B MAINTENANCE 8.9 USB PORT TEST ERRORAn error occurs when a USB I/O device is installed U24 SIS 630S8.9 USB PORT TEST ERROR 7521Plus / N N/B MAINTENANCEAn error occurs when a USB I/O device is installed Board-level Troubleshooting for USB test errorSIS 630S 8.10 AUDIO FAILURE7521Plus / N N/B MAINTENANCE No sound from speaker after audio driver is installedNo sound from speaker after audio driver is installed 7521Plus / N N/B MAINTENANCE8.10 AUDIO FAILURE AUDIO OUTNo sound from speaker after audio driver is installed 7521Plus / N N/B MAINTENANCETroubleshooting for audio test error7521Plus / N N/B MAINTENANCE 8.11 SIO PORT TEST ERRORAn error occurs when a mouse or other I/O device is installed SUPER I/O8.11 SIO PORT TEST ERROR 7521Plus / N N/B MAINTENANCEAn error occurs when a mouse or other I/O device is installed Board-level Troubleshooting for SIO test error7521Plus / N N/B MAINTENANCE 8.12 PIO PORT TEST ERRORWhen a print command is issued, printer prints nothing or garbage LO OPBACK CONNECTOR FOR PIO TEST8.12 PIO PORT TEST ERROR 7521Plus / N N/B MAINTENANCEWhen a print command is issued, printer prints nothing or garbage Board-level Troubleshooting for PIO test error7521Plus / N N/B MAINTENANCE 8.13 PC-CARD SOCKET FAILUREAn error occurs when a PC card device is installed AD031 C/BE03 PAR TRDY# IRDY# RESET# SERR# PERR# STOP# DEVSEL# FRAME#An error occurs when a PC card device is installed 7521Plus / N N/B MAINTENANCEChange M/B or go into board-level Troubleshooting Board-level Troubleshooting for PC CARD test error7521Plus / N N/B MAINTENANCE 9. SPARE PARTS LIST-1Part Number Description7521Plus / N N/B MAINTENANCE 9. SPARE PARTS LIST-2Part Number Description7521Plus / N N/B MAINTENANCE 9. SPARE PARTS LIST-3Part Number Description7521Plus / N N/B MAINTENANCE 9. SPARE PARTS LIST-4Part Number Description7521Plus / N N/B MAINTENANCE 9. SPARE PARTS LIST-5Part Number Description7521Plus / N N/B MAINTENANCE 9. SPARE PARTS LIST-6Part Number Description7521Plus / N N/B MAINTENANCE 9. SPARE PARTS LIST-7Part Number Description7521Plus / N N/B MAINTENANCE 9. SPARE PARTS LIST-8Part Number Description7521Plus / N N/B MAINTENANCE 9. SPARE PARTS LIST-9Part Number DescriptionPage 7521 plus R02 ISSUESDRAWN DESIGN CHECKCELERON PPGA 370-PIN SOCKET C P U630S-1 630S-5 VSS30 630S-2Page VSSA VSSB VSSC VSSD 630S-4Test only Default mount R48 if TV function requiredNever mount evenCLOCK SYNTHESIZER AND DRIVER CLOSE TO RECEIVER 144 PIN SODIMM SOCKET2M X 16 BITS X 4 BANK X 4 = 64M BYTES GND2 GND100110001 IDSELAD20Slave address 0603B PRIMARY IDE & FDD CONNECTORSECONDARY IDE CONNECTOR IDSEL AD19 CONTENTS -- 64HMULTIFUNCTION PIN SERIAL IRQ/PARALLEL PCI INTERRUPTPCCARD SOCKET POWER SWITCH MATRIXAVSS1 AVSS2 DVSS1 DVSS2RLINE IN GND0 VCC3GND1 GND2HP FIR MODULE HSDL-3600#007 SUPER I/ORS232/SIO AVCC VCCB VCC1 VCC2VSS1 VSS2 VSS3 VSS4 AVSSUSB CONNECTOR Slave Address SYSTEM BIOSRESET# PREQ# PULL UP AT CPU Charger board connector7521 plusADINP & DISCHARGE 16.60V ABCDE16.65V 16.70V7521 plus S5VS3VS12V SENSE1+ 7521 plus 1.5V/1.8VSENSE1 SENSE2+7521 plus+5V+3V+12VS1.8V2.5V 7521 plusCPU PWR 7521P HDD/FDD BD ISSUESDRAWN DESIGNDRAWN DESIGN CHECK ISSUES DRAWN ISSUESDESIGN CHECK1+60 DRAWN DESIGN CHECK ISSUES54554 9424=904= DRAWN DESIGN CHECK ISSUES0-= -4$+1,511 75217521Plulus/Ns/N SERVICE MANUAL & TROUBLESHOOTING GUIDEIDEIDEFORFORFORSponsoring Editor Shoestring Tsai Author Richard.Wang Assistant Editor Kelly Chiang Publisher MITAC INTERNATIONAL CORP