7521P HDD/FDD BD | MiTAC 7521 PLUS/N manual

7521P HDD/FDD BD

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MiTAC 7521 PLUS/N service manual 7521P HDD/FDD BD

Contents

Plus/N 7521Plus / N N/B Maintenance Plus/N Schematics System Overview General Description Hardware System 4 SiS630S Slot 1/Socket 370 2D/3D Ultra-AGP SynthesizerSingle Chipset SiS630S Features Integrated Dram Controller Fast PCI IDE Master/Slave Controller 7521Plus / N N/B Maintenance 7521Plus / N N/B Maintenance 7521Plus / N N/B Maintenance Low Pin Count Interface Advanced PCI H/W Audio & Modem Advanced Power ManagementIntegrated DMA Controller Integrated Real Time Clock RTC with 256B Cmos Sram Integrated Interrupt ControllerThree 8254 Compatible Programmable 16-bits counters Integrated Keyboard Controller Universal Serial Bus Host Controller COM2 Super IO NS PC 97338VJG PC Card interface controller TI1225 Memory Keyboard system H8 3434F universal keyboard controller Host interface HIF Bit free-running timerBit timer 2 channels PWM timer 2 channels Interrupts Power-down modes System Bios and Software Features Overview System Bios Bios Setup Feature Introduction Summary of Global Power States Acpi Power StatesConcept System States Working S0 Summary of Device Power SatesSleeping State S3 Soft Off State S5 Hibernation S4 Mechanical Off Component Level Power Management Matrix Idle Power State 1.Full PowerStandby Suspend Off Memory System Interface Modem CD-ROM Audio System AC’97 Codec CS4299 IR Module HSDL-3600#007 7521Plus / N N/B Maintenance SiS900 Features Additional features 16 CH7005C Digital PC to TV Encoder CH7005 Features Hot Key Function Easy Start Button function LED Indicators Flash ROM Bios COM port assignment SMM and System Bios Suspend to HDD HDD & Video accessBattery Warning Suspend to Dram Fan power on/off management Battery Warning StateBattery Low State Battery Dead State Hard Disk Drive LCD Panel Floppy Disk Drive Keyboard 24X CD-ROM Drive Touch Pad CD-R/RW drive DVD-ROM drive Cmos Battery LED IndicatorsIO port Pcmcia Socket Serial Interface FAN Appendix 1 Gpio definitions LCDSW4 LCDSW3 LCDSW2 LCDSW1 System View and Disassembly Left-Side View Front View Rear View Right-Side View Top-Open View Bottom View System Disassembly Reassembly Battery Pack Disassembly CPU Disassembly 7521Plus / N N/B Maintenance Modem Card Disassembly 7521Plus / N N/B Maintenance 4 FDD/HDD Module Disassembly 7521Plus / N N/B Maintenance CD-ROM Drive Disassembly Hold the CD-ROM drive and slide it outward carefully. figure Keyboard Disassembly SO-DIMM Disassembly LCD Assembly Disassembly 7521Plus / N N/B Maintenance LCD Panel Disassembly Inverter Board Disassembly System Board Disassembly 7521Plus / N N/B Maintenance Reassembly 7521Plus / N N/B Maintenance Touchpad Disassembly Definition & Location Of Connectors / Switches Mother Board Switch Table Mother Board-B Daughter Board Charger Board Iqsb Board Definition & Location Of Major Components Main Board Side B BERR# ADS#AERR# Bclk Cmosref BPRI#BREQ0# Clkref IGNNE# GHI#HIT#, HITM# IERR# PRDY# RESET#Picclk PLL1, PLL2 SLP# RSP#Rsvd Rttimpedp VID40 HITM# CpuclkHLOCK# HIT# SCAS# SdclkWE# SRAS# INTAD# STOP#DEVSEL# PLOCK# Vbhclk VMA11Vgclk VMA10 Pmclk THERM#Pmdat GPIO12 OSC32KHI ACRESET#Auxok Batok PCIGNT3# CLK48MPCIREQ3# GPIO0 Codec System BiosPcmcia Cardbus Slots Maintenance Diagnostics System Soft Bios 100 Circuit Diagnostic Tools Trouble Shooting No Power 104 PJ4 Symptom Next Continue There is no display on both LCD and monitor Apicclk System Clock Check SIS U24 112 U24 SIS 630S 114 U24 116 ISA 118 SIS 120 121 122 SIS 124 SIS AC97SYNC AC97SDIN0 127 128 129 130 131 SIS 133 Spare Parts LIST-1 Spare Parts LIST-2 Spare Parts LIST-3 Spare Parts LIST-4 Spare Parts LIST-5 Spare Parts LIST-6 Spare Parts LIST-7 Spare Parts LIST-8 Spare Parts LIST-9 Page GND MTG9 MTG10 MTG8GND MTG14 MTG6 PRDY# INIT# RESET#TRDY# Picclk LINT1/NMI LINT0/INTR PICD1 PICD0 PLL2 PLL1 Vssqb GtlrefaGtlrefb Vssqa INTC# OVDD0 VSS0INTA# INTB# B4/ACBE2# Gout AAD0 AAD1 AAD2 AAD3 AAD4 AAD5VBCAD/AREQ# TXIN0 VCC PSON# LAD1 ACRESET#VCC RESET# GND SPK LAD0 Csync VDDCvbs Xclk Vddsdr FS2/PCICLK1 Vddref CPUCLK0CPUCLK1 Vddsdr CPUCLK2 Vddsdr FS1/PCICLK0 PIN Sodimm Socket RAS VSS0 MAB#0CLK VDD0 CKE VDD1 VDD2 GND2 GND1 GP17/INT GP26/INT SdatRST# VSS Primary IDE & FDD Connector Idsel AD19 GND8 GND6 GND3 GND1GND4 GND2 GND7 GND5 FLT3D LINE/OUT/L OUT0 IN0 OUT1 IN1 Nrerr GndsdAUX/L Bpcfg AUX/R LED Serirq REFRESH# LFRAM#Pciclk SMEMW# PCIRST# SMEMR# AEN RTS1#/BADDR0 X1CLKINSIN1 BOUT1/SOUT1 PB0/XDB0 RESET# GND5VTAP Sense OUT ERR Shutdn GND P40/TMCI0 MD1 CLR CLKGND VCC VSS WE# VPPCE# OE# ERR Shutdn GND 5VTAP Sense OUT Charger board connector OUT GND0 RS+ VCC PQ20A NDC7002NNA Outputctrl DTC Feedback BST3 BST5 ResetShdn + Sync VL 12OUT VOSENSE1 BOOST1 RUN/SS1 FltcplSENSE1+ TG1 SENSE1 SW1 Plus+5V+3V+12VS1.8V2.5V Gnds VCC BSTShdn Pgnd FBS 7521P HDD/FDD BD QSB0# KI1 QSB1# KI2 QSB2# KI3 QSB3# KI4 QSB4# KI5 Swgnd KO0 R0A Remove the reserved circuit R01 Relayout base on R0A REV Description of Change ECR 75217521Plulus/Ns/N