Acer Aspire G7750 Service Guide
Acer Aspire G7750 Manual
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- Acer Aspire G7750 | Service Guide - Page 1
Acer Aspire G7750 Series Service Guide Service guide files and updates are available on the ACER/CSD web; for more information, please refer to http://csd.acer.com.tw PRINTED IN TAIWAN - Acer Aspire G7750 | Service Guide - Page 2
Revision History Please refer to the table below for the updates made on Aspire G7750 Series service guide. Date Chapter Updates ii - Acer Aspire G7750 | Service Guide - Page 3
, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written permission of Acer Incorporated. iii - Acer Aspire G7750 | Service Guide - Page 4
in this guide is subject to change without notice. Acer Incorporated makes manual is sold or licensed "as is". Should the programs prove defective following their purchase, the buyer (and not Acer Incorporated, its distributor, or its dealer) assumes the entire cost of all necessary servicing - Acer Aspire G7750 | Service Guide - Page 5
Conventions The following conventions are used in this manual: SCREEN MESSAGES Denotes actual messages that appear on screen. NOTE . Gives precautionary measures to avoid possible hardware or software problems. Reminds you to do specific actions relevant to the accomplishment of procedures. v - Acer Aspire G7750 | Service Guide - Page 6
card, modem, or extra memory capability). These LOCALIZED FEATURES will NOT be covered in this generic service guide. In such cases, please made, it will not be noted in the printed Service Guide. For ACER-AUTHORIZED SERVICE PROVIDERS, your Acer office may have a DIFFERENT part number code to those - Acer Aspire G7750 | Service Guide - Page 7
58 Removing the Mainboard 60 Removing the Front Foot Stand 62 Removing the Rear Foot Stand 63 Hardware Diagnostic Procedure 65 Chapter 4 System Troubleshooting 65 System Check Procedures 66 Power System Check 66 System Internal Inspection 66 POST Error and Beep Codes 67 Online Support - Acer Aspire G7750 | Service Guide - Page 8
System Block Diagram and Board Layout 79 Board Layout 80 Mainboard 80 Back Panel I/O 81 System Switches and Jumpers 83 87 Chapter 6 FRU (Field Replaceable Unit) List 89 Aspire G7710 Series Exploded Diagram 90 Aspire G7710 Series 92 Appendix A Technical Specifications 97 Appendix B - Acer Aspire G7750 | Service Guide - Page 9
processor Extreme Edition (up to 1600 MHz FSB) • Intel core i7 processor Chipset • North bridge: Intel X58 chipset • South bridge: Intel ICH10R chipset Memory subsystem • up to 12GB of DDR3 DIMMS supports DDR3-800/1066 MHz SDRAM • Supports 3 channels on six DIMMs Media storage • Two 5.25" drive bays - Acer Aspire G7750 | Service Guide - Page 10
supporting: • CompactFlash (Type I and II) • CF+ (TM) Microdrive • MultiMediaCard (MMC) • MMCmobile • Reduced-Size MultiMediaCard (RS-MMS) • Secure Digital card • miniSD card • xD-Picture card • Memory Stick • Memory Stick PRO • Memory Stick Duo • Memory channel phone jack (5 audio jacks) • 1SPDIF - Acer Aspire G7750 | Service Guide - Page 11
• Acer Arcade Deluxe • McAfee Internet Security Suite 2008 Trial version • Adobe Reader • eSobi • NTI MediaMaker Power supply • 750-1000 W power supply Dimensions and weight • Length: 490 mm • Height: 430 mm • Width: 190 mm Chapter 1 3 - Acer Aspire G7750 | Service Guide - Page 12
Aspire G7750 Tour This section is a virtual tour of the Aspire G7750 system's interior and exterior components. Closed Front Panel Item 1 2 3 Component Hinge screws x4 Door hinges x4 Bezel door 4 Chapter 1 - Acer Aspire G7750 | Service Guide - Page 13
Digital) slot USB 2.0 port IEEE 1394 port (4-pin) CFI/II (CompactFlash Type I/II) slot Drive bay door Easy-swap hard disk drives (1-4) MS/MS Pro (Memory Stick/Memory Stick Pro Duo) slot SD/MMC (SecureDigital/MultimediaCard) slot Optical disk drive eject buttons Chapter 1 5 - Acer Aspire G7750 | Service Guide - Page 14
6 Component Power supply PS2 mouse port System fan Network ports Rear speaker jack Center speaker/subwoofer jack Expansion slot locks S-video port DVI port Audio-in/line-in jack Headphone/line-out/front speaker jack Microphone/line-in jack S/PDIF jack USB 2.0 ports IEEE 1394 port (6-pin) eSATA - Acer Aspire G7750 | Service Guide - Page 15
Internal Components Item 1 2 3 4 5 6 7 8 9 10 Component Liquid cooling system Mainboard System memory Release sliders for optical drives Hard drive backplane board Release sliders for HDD drives Expansion slot lock levers Expansion card System fan Power supply module Chapter 1 7 - Acer Aspire G7750 | Service Guide - Page 16
System LED Indicators This section describes the different system LED indicators. LED indicator Power Color Red LED status On Blinking Description The system has AC power and is powered on. The system is in standby mode. HDD activity LAN port network activity LED (left) Green Amber Green/ - Acer Aspire G7750 | Service Guide - Page 17
loads the configuration values in a battery-backed nonvolatile memory called CMOS RAM. This memory area is not part of the system RAM which will be simply referred to as "BIOS", "Setup", or "Setup utility" in this guide. The screenshots used in this guide display default system values. These values - Acer Aspire G7750 | Service Guide - Page 18
Entering CMOS setup 1. Turn on the server and the monitor. If the server is already turned on, close all open applications, then restart the server. 2. During POST, press Delete. If you fail to press Delete before POST is completed, you will need to restart the server. The Setup Main menu will be - Acer Aspire G7750 | Service Guide - Page 19
Features • Advanced Chipset Features • Integrated Peripherals • Power Management Setup • PC Health Status • Frequency/Voltage Control • BIOS Security Features • Load Optimized Defaults • Save & Exit Setup • Exit Without Saving In the descriptive table following each of the menu screenshots, settings - Acer Aspire G7750 | Service Guide - Page 20
Product Information Select the Product Information from the CMOS Setup menu, then press Enter. The basic information about the system appears on the screen. These entries are for your reference only and are not user-configurable. 12 Chapter 2 - Acer Aspire G7750 | Service Guide - Page 21
Selects the hard disk drive translation method. For drivers with more than 504 MB, LBA mode is the device occurs multiple sectors at a time if the device supports it. When set to Disable, the data transfer from and /E-SATA drive. Select a DMA (Direct Memory Access) transfer mode to enhance hard disk - Acer Aspire G7750 | Service Guide - Page 22
manually force BIOS to clear the previously saved Extended No System Configuration Data (ESCD) data and reconfigure the settings. Yes When set to no, it lets the BIOS boot order from the available devices. Hard Disk CD^DVD Removable Device LAN Hard Disk Drive Priority Press Enter to access the - Acer Aspire G7750 | Service Guide - Page 23
Advanced Chipset Features Parameter Intel EIST Intel XD Bit Intel VT Description Enables or disables the processor speed to be controlled by the OS. If disabled, it forces the Execute Disable (XD) Bit feature flag to always return to 0. Enabled or disables the Virtualization Technology (VT) - Acer Aspire G7750 | Service Guide - Page 24
. Onboard USB Controller Enables or disables the onboard USB controller. Legacy USB Support Enables or disables support for legacy USB devices. Onboard Audio Controller Enables or disables the onboard audio controller. Onboard LAN1/2 Controller Enables or disables the onboard LAN 1 or - Acer Aspire G7750 | Service Guide - Page 25
an ACPI state. Enables for disables Deep Power off function (deep power off mode reserve only certain power for the CMOS battery and remove other power source such as CPU, memory, WOL function..etc). Enables or disables to boot the system on scheduled date/time. Enables or disables to wake up the - Acer Aspire G7750 | Service Guide - Page 26
Health Status Parameter CPU Warning Temperature Description Sets the warning threshold for processor temperature. When processor temperature exceeds the threshold, BIOS will emit warning sound. CPU Shutdown Temperature Sets the processor shutdown temperature. CPU Fan Smart Fan System Fan1 Smart - Acer Aspire G7750 | Service Guide - Page 27
set to Manual, allow you to configure the FSB and memory clock frequency. Auto Linked Manual Sets the FSB memory frequency ranged from 400 to 1400 MHz. Any value that 400-1400 MHz is not within this range will have no effect. Sets the processor ratio. Available only when the processor supports - Acer Aspire G7750 | Service Guide - Page 28
to override the memory's Serial Presence Detect (SPD) settings by manually entering values for PCI Frequency Enables or disables the system to remove (turn off) clocks from empty DIMM and Spread Spectrum Enables or disables the reduction of the mainboard's EMI. Note: Remember to disable the Spread - Acer Aspire G7750 | Service Guide - Page 29
the user password. Supervisor password prevents unauthorized access to the BIOS Setup Utility. Press Enter to change the Supervisor password. User password is used to control entry access to the BIOS Setup Utility. User password is available only when a Supervisor password is - Acer Aspire G7750 | Service Guide - Page 30
the password to verify the first entry then press Enter again. 5. Press F10. 6. Select Yes to save the new password and close the Setup Utility. Removing a user password 1. Use the up/down arrow keys to select Set User Password menu then press Enter. 2. Enter the current password then press Enter - Acer Aspire G7750 | Service Guide - Page 31
Defaults The Load Optimized Defaults menu allows you to load the default settings for all BIOS setup parameters. Setup defaults are quite demanding in terms of resources consumption. If you are using low-speed memory chips or other kinds of low-performance components and you choose to load these - Acer Aspire G7750 | Service Guide - Page 32
Save & Exit Setup The Save & Exit Setup menu allows you to save changes made and close the Setup Utility. 24 Chapter 2 - Acer Aspire G7750 | Service Guide - Page 33
Exit Without Saving The Exit Without Saving menu allows you to discard changes made and close the Setup Utility. Chapter 2 25 - Acer Aspire G7750 | Service Guide - Page 34
26 Chapter 2 - Acer Aspire G7750 | Service Guide - Page 35
on how to disassemble the desktop computer for maintenance and troubleshooting. Disassembly Requirements To disassemble the computer, you need the screwdriver • Philips screwdriver • Hex screwdriver • Plastic flat-blade screwdriver • Plastic tweezers NOTE: The screws for the different components - Acer Aspire G7750 | Service Guide - Page 36
Pre-disassembly Procedure Before proceeding with the disassembly procedure, perform the steps listed below: 1. Turn off the system and all the peripherals connected to it. 2. Unplug the power cord from the power outlets. 3. Unplug the power cord from the system. 4. Unplug all peripheral cables from - Acer Aspire G7750 | Service Guide - Page 37
need to be removed during servicing. MAIN UNIT DISASSEMBLY MAIN UNIT BEZEL DOOR LEFT AND RIGHT HINGES VIDEO CARDS TV TUNER CARD Cx2 CARD READER BOARD LIQUID COOLER Fx4 FAN LEFT AND RIGHT SIDE PANEL FRONT BEZEL OPTICAL DISK DRIVE PCI CARDS Bx2 CARD READER DRIVE HDD CAGE MEMORY MODULES Ex4 LIQUID - Acer Aspire G7750 | Service Guide - Page 38
Screw List A B C D E F G H I J Screw HDD carrier screw Card reader carrier screw Card reader board screw M#6-32 L4.6 BZN Liquid cooler screw Liquid cooler fan screw M HEX #6-32 L5 BZN M#6-32 L4.6 BZN M #6-32 L5 BZN MA HEX #6-32 5MM NI Part No. 86.1AQ36.450 N/A N/A 86.00J11.A60 86.00J61.767 N/A 86. - Acer Aspire G7750 | Service Guide - Page 39
bezel door, then tilt up until it is aligned with the top panel. 3. Remove the four screws that hold the door hinges to the right side panel (1). 4. Remove the four screws that hold the door hinges to the left side panel (2). 5. Detach the bezel door with hinges from the system (3). Chapter 3 31 - Acer Aspire G7750 | Service Guide - Page 40
Removing the Hard Disk Drive 1. Remove the bezel door. Refer to the previous section for instructions. 2. Open the drive bay door. 3. Press the HDD carrier latch, then pull the lever down to the fully open position. 32 Chapter 3 - Acer Aspire G7750 | Service Guide - Page 41
carrier on a clean, static-free network surface. 6. If you are replacing a hard disk, remove the four screws (A) that secure the hard disk to the carrier. Screw (Quantity) HDD carrier screw (4) Color Silver 7. Remove the disk from the carrier. Torque 3.5 to 4.5 kgf-cm Part No. N/A 8. Keep the - Acer Aspire G7750 | Service Guide - Page 42
the Left Side Panel 1. See "Removing the Bezel Door" on page 31. 2. Release the two panel locks on the rear of the left side panel. 3. Hold the rear edge of the panel and slide the panel towards the rear (1), slightly raise the panel then lift the panel away from - Acer Aspire G7750 | Service Guide - Page 43
Removing the Right Side Panel 1. See "Removing the Bezel Door" on page 31. 2. Pull the top edge out and slightly lift up to detach the tabs inside the panel (1), then slide the panel towards the rear of the chassis (2). Chapter 3 35 - Acer Aspire G7750 | Service Guide - Page 44
Removing the Front Bezel 1. See "Removing the Bezel Door" on page 31. 2. See "Removing the Left Side Panel" on page 34. 3. Disconnect the front panel cable from the mainboard. 4. Release the front bezel retention tabs from the chassis interior. 36 Chapter 3 - Acer Aspire G7750 | Service Guide - Page 45
5. Pull the bezel away from the chassis. Chapter 3 37 - Acer Aspire G7750 | Service Guide - Page 46
Bezel Door" on page 31. 2. See "Removing the Left Side Panel" on page 34. 3. See "Removing the Front Bezel" on page 36. 4. Disconnect the power and data cables from rear of the old drive. 5. Move the release slider of the selected - Acer Aspire G7750 | Service Guide - Page 47
page 31. 2. See "Removing the Left Side Panel" on page 34. 3. Lay the system on its side (with components showing). 4. Remove the SLI bridge cable from the video cards, then press down on the expansion slot release latch. 5. Gently pull the card to detach it from the mainboard. 6. Do the same to - Acer Aspire G7750 | Service Guide - Page 48
7. Disconnect the power cables from the video cards, then remove the cards. 40 Chapter 3 - Acer Aspire G7750 | Service Guide - Page 49
Removing the TV Tuner Card 1. See "Removing the Bezel Door" on page 31. 2. See "Removing the Left Side Panel" on page 34. 3. See "Removing the Video Cards" on page 39. 4. Press down on the expansion slot release latch. 5. Gently pull the card to detach it from the mainboard. Chapter 3 41 - Acer Aspire G7750 | Service Guide - Page 50
Removing the Card Reader Drive 1. See "Removing the Bezel Door" on page 31. 2. See "Removing the Left Side Panel" on page 34. 3. See "Removing the Front Bezel" on page 36. 4. Release cables from the retention clip. 5. Disconnect the USB and 1394 cables from the mainboard. 42 Chapter 3 - Acer Aspire G7750 | Service Guide - Page 51
6. Move the release slider to the unlock position and push the module into the bay, then remove it from the chassis. Chapter 3 43 - Acer Aspire G7750 | Service Guide - Page 52
the Bezel Door" on page 31. 2. See "Removing the Left Side Panel" on page 34. 3. See "Removing the Front Bezel" on page 36. 4. See "Removing the Card Reader Drive" on page 42. 5. Place the module on a clean, static-free surface. 6. Remove the two screws (B) that secure the cover to the carrier - Acer Aspire G7750 | Service Guide - Page 53
8. Remove the card reader carrier cover. 9. Remove the two screws (C) that secure the card reader board to the carrier. Screw (Quantity) Card reader board screw (2) Color Silver 10. Remove the card reader board from the carrier. Torque N/A Part No. N/A Chapter 3 45 - Acer Aspire G7750 | Service Guide - Page 54
Hard Disk Drive" on page 32. 3. See "Removing the Left Side Panel" on page 34. 4. See "Removing the Front Bezel" on page 36. 5. See "Removing the Video Cards" on page 39. 6. Slide the HDD cage slider up, then pull the cage out of the drive bay. 7. Remove the two screws (D) from the backplane board - Acer Aspire G7750 | Service Guide - Page 55
8. Slide the backplane board forward (1) then remove the board from the HDD cage (2). Chapter 3 47 - Acer Aspire G7750 | Service Guide - Page 56
Removing the Memory Modules IMPORTANT:Before removing any DIMM from the memory board, make sure to create a backup file of all important data. 1. See "Removing the Bezel Door" on page 31. 2. See "Removing the Left Side Panel" on page 34. 3. Press the holding clips on both sides of the DIMM slot - Acer Aspire G7750 | Service Guide - Page 57
when the system is on. NEVER touch the heat sink with any metal or with your hands. 1. See "Removing the Bezel Door" on page 31. 2. See "Removing the Left Side Panel" on page 34. 3. See "Removing the Front Bezel" on page 36. 4. Disconnect the power and two fan cables. 5. Loosen the four screws on - Acer Aspire G7750 | Service Guide - Page 58
6. Remove the four screws (E) securing the fan end of the liquid cooler fan of the liquid cooler assembly from the chassis, then gently detach the cooler end from the mainboard. 8. Lay cooler on its side-with the thermal patch facing sideways. Do not let the thermal patch touch the work surface. - Acer Aspire G7750 | Service Guide - Page 59
the Fan from the Liquid Cooler 1. See "Removing the Bezel Door" on page 31. 2. See "Removing the Left Side Panel" on page 34. 3. See "Removing the Liquid Cooler Fan Assembly" on page 49. 4. Remove the four screws (F) that secure the fan to the heat exchanger on the liquid cooler fan assembly - Acer Aspire G7750 | Service Guide - Page 60
the mainboard, make sure to create a backup file of all important data. WARNING:The processor becomes very hot when the system is on. Allow it to cool off first before handling. 1. See "Removing the Bezel Door" on page 31. 2. See "Removing the Left Side Panel" on page 34. 3. See "Removing the Memory - Acer Aspire G7750 | Service Guide - Page 61
7. Grasp the processor by its edges and lift it out of its socket. IMPORTANT:If you are going to install a new processor, note the arrow on the corner to make sure the processor is properly oriented over the socket. Chapter 3 53 - Acer Aspire G7750 | Service Guide - Page 62
Board" on page 46. 9. See "Removing the Memory Modules" on page 48. 10. See "Removing the Liquid Cooler Fan Assembly" on page 49. 11. See "Removing the Processor" on page 52. 12. Release the cables from the retaining clips. 13. Disconnect the power supply cables from the mainboard. 54 Chapter 3 - Acer Aspire G7750 | Service Guide - Page 63
14. Remove the four screws (G) that secure the power supply to the chassis. Screw (Quantity) M Hex #6-32 L5 BZN (4) Color Black 15. Lift the power supply module out of the chassis. Torque 5.5 to 6.5 kgf-cm Part No. 86.00J59.A60 Chapter 3 55 - Acer Aspire G7750 | Service Guide - Page 64
the Bezel Door" on page 31. 2. See "Removing the Left Side Panel" on page 34. 3. See "Removing the Front Bezel" on page 36. 4. See "Removing the Card Reader Drive" on page 42. 5. Disconnect the fan cable from the mainboard. 6. Remove the four screws (H) that secure the fan to the chassis. Screw - Acer Aspire G7750 | Service Guide - Page 65
the Card Reader Drive" on page 42. 8. See "Removing the Backplane Board" on page 46. 9. See "Removing the Memory Modules" on page 48. 10. See "Removing the Liquid Cooler Fan Assembly" on page 49. 11. See "Removing the Processor" on page 52. 12. See "Removing the Power Supply" on page 54. 13. Press - Acer Aspire G7750 | Service Guide - Page 66
"Removing the Memory Modules" on page 48. 8. See "Removing the Liquid Cooler Fan Assembly" on page 49. 9. See "Removing the Processor" on page 52. 10. See "Removing the Power Supply" on page 54. 11. See "Removing the Top Cover" on page 57. 12. Detach the USB and audio cables from the mainboard. 13 - Acer Aspire G7750 | Service Guide - Page 67
14. Turn it over then detach the cables from the USB board. 15. Remove the two screws (I) that secure the board to the bracket. Screw (Quantity) M #6-32 L5 BZN (2) 16. Remove the USB board. Color Black Torque N/A Part No. 86.00E66.D60 Chapter 3 59 - Acer Aspire G7750 | Service Guide - Page 68
the Card Reader Drive" on page 42. 6. See "Removing the Backplane Board" on page 46. 7. See "Removing the Memory Modules" on page 48. 8. See "Removing the Liquid Cooler Fan Assembly" on page 49. 9. See "Removing the Processor" on page 52. 10. See "Removing the Power Supply" on page 54. 11. See - Acer Aspire G7750 | Service Guide - Page 69
15. Remove the nine screws (J) that secure the mainboard to the chassis, in the order shown. Screw (Quantity) HEX #6-32 5MM NI (6) Color Silver 16. Lift the board from the chassis. Torque 4.5 to 5.5 kgf-cm Part No. 86.2G5B6.013 Chapter 3 61 - Acer Aspire G7750 | Service Guide - Page 70
the Front Foot Stand 1. See "Removing the Bezel Door" on page 31. 2. See "Removing the Left Side Panel" on page 34. 3. Lay the system on its side (with components showing). 4. Press the tabs on the front foot stand to disengage with the slots on the chassis. 5. Remove the foot stand. 62 Chapter 3 - Acer Aspire G7750 | Service Guide - Page 71
the Rear Foot Stand 1. See "Removing the Bezel Door" on page 31. 2. See "Removing the Left Side Panel" on page 34. 3. Lay the system on its side (with components showing). 4. Press the tabs on the rear foot stand to disengage with the slots on the chassis. 5. Remove the foot stand. Chapter 3 63 - Acer Aspire G7750 | Service Guide - Page 72
64 Chapter 3 - Acer Aspire G7750 | Service Guide - Page 73
Chapter 4 System Troubleshooting This chapter provides instructions on how to troubleshoot system hardware problems. Hardware Diagnostic Procedure IMPORTANT:The diagnostic tests described in this chapter are only intended to test Acer products. Non-Acer products, prototype cards, or modified - Acer Aspire G7750 | Service Guide - Page 74
a flat, stable surface. 7. Remove the system covers. For instructions on removing system covers, refer to "System Acer-qualified and supported. 11. Replace the system covers. 12. Power on the system. 13. If the problem with the system is not evident, you can try viewing the POST messages and BIOS - Acer Aspire G7750 | Service Guide - Page 75
them display information about a hardware device, e.g., the amount of memory installed. Others may indicate a problem with a device, such as the way it has been configured. NOTE: If the system fails after you make changes in the BIOS Setup Utility menus, reset the computer, enter Setup and install - Acer Aspire G7750 | Service Guide - Page 76
POST Code (Hex) 08h FFh FFh FFh 0Ah 0Bh 0Ch FFh 0Eh FFh 13h 13h FFh C1h FFh FFh C2h FFh FFh FFh 20h FFh FFh FFh POST Routine Description Init CPU_FAR OEM BOARD_B_Init KBC8042_FAR Init KBC8042_FAR KBC BatTest_FAR Init KBC8042_FAR Program KBC Command Byte_FAR Init KBC8042_FAR Init KBC8042_FAR Init - Acer Aspire G7750 | Service Guide - Page 77
POST_FAR Init GPNV Area_FAR Init BIOS Modules_FAR Process SMBIOS Module_far Init GPNV Area_FAR Init Language Modules_FAR Init BIOS Modules_FAR Init Osb CMOS_FAR POST_FAR DIM Device Init At Early POST_FAR Enable Post Extended Memory Manager_FAR DIM Device Init At Early POST_FAR far SIOITE8718 Power - Acer Aspire G7750 | Service Guide - Page 78
Display CPU Info_FAR Cp Display BIOS Info_FAR Display BIOS Info_FAR NB_Display BIOS Info_FAR Cp Display BIOS Info_FAR OEM BOARD_R_Display Memory Info_FAR NB_Display BIOS Info_FAR SB_Display BIOS Info_FAR Cp Display BIOS Info_FAR OEM_Display BIOS Info_FAR Cp Display BIOS Info_FAR Check ROM SIP - Acer Aspire G7750 | Service Guide - Page 79
DMAC8237_FAR Global Device Init At Mid POST_FAR Init RTC_FAR Global Device Init At Mid POST_FAR OEMBOARD_B_Init System RAM_FAR Init System RAM_FAR Check Memory Above 4GB_FAR Init System RAM_FAR Display 4GB Plus System RAM Size_FAR Display System RAM Size_FAR Display CrLF_FAR Init System RAM_FAR Cp - Acer Aspire G7750 | Service Guide - Page 80
Global Device Init At Mid POST_FAR Init KB CAt Mid POST_FAR Global Device Init At Mid POST_FAR Clear BIOS Version Info_FAR Init IPL Devices_FAR far Display USB Devices Clear BIOS Version Info_FAR Setup Int13 Before Init_FAR Init IPLDevices_FAR Init PnP ATA Data_FAR Setup Int13 Before Init_FAR OEM - Acer Aspire G7750 | Service Guide - Page 81
Init IPL Devices_FAR Restore Display Mode_FAR Init IPL Devices_FAR SB_Before_Setup_Check_VT Init IPL Devices_FAR Init IPL Devices_FAR Log BIOS Errors_FAR Process POST Errors_FAR Process SMBIOS Module Late Post_far Process POST Errors_FAR Process POST Errors_FAR ACER_Check Boot Password_FAR - Acer Aspire G7750 | Service Guide - Page 82
POST Code (Hex) FFh 8Ch 8Ch 8Ch 8Ch 8Ch FFh 8Eh FFh FFh 8Fh 90h FFh A1h FFh A2h FFh A4h FFh FFh A7h A9h FFh FFh POST Routine Description Prepare E820Table_FAR Global Device Init At Late POST_FAR Global Device Init At LatePOST_FAR Cp Init At Late POST_FAR Global Device Init At Late POST_FAR NB_Init - Acer Aspire G7750 | Service Guide - Page 83
For OS_FAR BBS BeforeI19_FAR Uninstall POST INT09h Handler_FAR ACPIS4Set Boot Drive_FAR BBS BeforeI19_FAR OEM BOARD_A_Prepare System For OS_FAR Prepare System For OS_FAR Log BIOS Errors_FAR Init At End POST_FAR Cp Init At End POST_FAR Init At End POST_FAR NB_Init At End POST_FAR Cp Init At End - Acer Aspire G7750 | Service Guide - Page 84
POST Code (Hex) FFh FFh FFh FFh POST Routine Description Mrm Save Cpu Msr Context_FAR Init At End POST_FAR P4 Save Cpu Msr Context_FAR Init At End POST_FAR ATAC_Init Before Int19_FAR Init At End POST_FAR Init At End POST_FAR 76 Chapter 4 - Acer Aspire G7750 | Service Guide - Page 85
whenever you need them. In the Support & Downloads tab you can download information materials for all of Acer notebook, desktop and server models including: • Service guides for all models • User's manuals • Training materials • BIOS updates • Software utilities • Spare parts lists • Technical - Acer Aspire G7750 | Service Guide - Page 86
78 Chapter 4 - Acer Aspire G7750 | Service Guide - Page 87
Chapter 5 System Block Diagram and Board Layout System Block Diagram Chapter 5 79 - Acer Aspire G7750 | Service Guide - Page 88
PCI E1-5 80 Component Power connector Processor fan cable connector System memory slots 24-pin ATX power connector SATA data cable connectors System fan cable connector Front panel connector Front USB connectors IEEE 1394 connector Front panel audio connectors PCI slots PCI Express slots Chapter 5 - Acer Aspire G7750 | Service Guide - Page 89
USB ports Center speaker/subwoofer jack (in 5.1/7.1 channel mode) Rear speaker/surround out jack (in 4/5.1/7.1 channel mode) Side speaker/surround out jack (in 7.1 channel mode) Audio-in/line-in/side-surround out jack (in 7.1 channel mode) This jack connects to an external CD player, tape player, or - Acer Aspire G7750 | Service Guide - Page 90
ATA device. SATA1~6 stack SATA connectors are supported by ICH10R SATA1_3 SATA2_4 SATA5_6 IMPORTANT:Please do The fan power connectors (CPUFAN and SYSFAN1-5) support system cooling fan with +12V. When connecting SYSFAN1-3 support fan control, too. You may select how many percentage of speed - Acer Aspire G7750 | Service Guide - Page 91
IEEE 1394 Connector This connector (J1394_1) allow you to connect the IEEE1394 device via an optional IEEE1394 bracket. J1394_1 2 10 1 9 Pin Signal 1 TPA+ 3 Ground 5 TPB+ 7 Cable power 9 Key (no pin) Pin Signal 2 TPA- 4 Ground 6 TPB- 8 Cable power 10 Ground Front Panel - Acer Aspire G7750 | Service Guide - Page 92
2 CINTRU 1 JCI1 Front Panel Auido Connector This connector allows you to connect the front panel audio and is compliant with Intel(R) I/O Connectivity Design Guide. HD Auido Pin Definition Pin Signal 1 MIC_L 2 GND 3 MIC_R 4 NC 5 LINEout_R 6 MIC_JD 7 Front_JD 8 NC 9 LINEout_L - Acer Aspire G7750 | Service Guide - Page 93
about power issue The NForce chipset is very sensitive to ESD (Electrostatic Discharge), therefore this issue mostly happens while the users intensively swap memory modules under S5 (power-off) states, and the power cord is plugged while installing modules. Due to several pins are very sensitive to - Acer Aspire G7750 | Service Guide - Page 94
, use the CMOS reset button to clear data. To clear the CMOS RAM: NOTE: Make sure the system is powered off before performing the following instruction. 1. Turn off the system and all the peripherals connected to it. 2. Press the CMOS reset button located on the rear of the system. Refer to - Acer Aspire G7750 | Service Guide - Page 95
date information available on your regional web or channel. For whatever reasons a part number is changed, it will NOT be noted on the printed Service Guide. For Acer authorized service providers, your Acer office may have a different part number code from those given in the FRU list of this printed - Acer Aspire G7750 | Service Guide - Page 96
Aspire G7750 Series Exploded Diagram 90 Chapter 6 - Acer Aspire G7750 | Service Guide - Page 97
ASSY BRKT 4HSP HDD CAGE AG900 ASSY FRONT STAND AG900 BRKT FRONT LOWER SIDE BRACKET ASSY STAND BACK AG900 HOLDER SUPPORT VGA AG900 HINGE FRONT COVER LEFT 1 HINGE FRONT COVER LEFT 2 ASSY SIDE COVER LEFT AG900 ASSY BRKT L-SIDE BRACKET AG900 HOLDER FAN DUCK UP AG900 ASSY BRKT HDD BRACKET AG900 ASSY - Acer Aspire G7750 | Service Guide - Page 98
Aspire G7750 Series Note: Please refer to service BOM for correct part number. The information hereafter is for your reference only. Component System board Part Name Description Acer Part Number CPU Liquid cooler CPU Intel Core i7 940 2.93G 8M 1066 130W C-0 QuadCore, LGA1366 CPU Intel Core i7 - Acer Aspire G7750 | Service Guide - Page 99
750W PFC GPS-750AB A Description SPS 750W PFC GPS-750AB A Acer Part Number PY.75009.001 HDD board Card reader Optical drive Hard HGST HDD 500GB HGST HDP725050GLA380 HGST 750GB SATA 8MB 7200 NCQ KH.25008.020 KH.32008.014 KH.50007.003 KH.75007.001 WD HDD WD 750GB SATA 8MB 7200 NCQ KH.75008. - Acer Aspire G7750 | Service Guide - Page 100
ASSY MAIN CHASSIS AG900 A Acer Part Number 60.3V202.001 ASSY FRONT STAND AG900 ASSY FRONT STAND AG900 60.3V204.001 ASSY STAND BACK AG900 ASSY STAND BACK AG900 60.3V205.001 ASSY SIDE COVER LEFT AG900 ASSY BRKT L-SIDE BRACKET AG900 ASSY SIDE COVER RIGHT AG900 ASSY SIDE COVER LEFT AG900 ASSY - Acer Aspire G7750 | Service Guide - Page 101
TW POWER CORD 110V UL USA POWER CORD 250V CCC 1800MM PRC KB USB G15 920-001383 LOGI 109 POWER CORD 1800MM 250V EURO POWER CORD 1800MM 250V UK POWER CORD CORD 110V UL USA POWER CORD 250V CCC 1800MM PRC KB USB G15 920-001383 LOGI 109 Acer Part Number 27.01518.0J1 27.03118.031 27.01518.0R1 27.01518. - Acer Aspire G7750 | Service Guide - Page 102
96 Chapter 6 - Acer Aspire G7750 | Service Guide - Page 103
L2 Cache Size (MB) 12 Clock Speed (GHz) 3 Front Side Bus (MHz) 1333 Frequency (MHz) 3000 Socket LGA 775 Clock Item North bridge South bridge System Memory Specification Intel(R) X58 chipset Intel(R) ICH10R Item DIMM sockets Minimum memory Maximum memory Vendor Model name DIMM size DIMM - Acer Aspire G7750 | Service Guide - Page 104
5V PCI bus interface) Item LAN controller Supports LAN protocol LAN connector type SATA Interface Specification Realtek 8111C Gigabit Ethernet controller 10/100/1000 Mbps RJ45 Item SATA controller Connectors Audio Interface Specification Intel(R) ICH10R • Six SATA ports • Two eSATA ports Item - Acer Aspire G7750 | Service Guide - Page 105
IEEE 1394 Interface Item IEEE 1394 controller Connectors Optical Drive BD-R Item Vendor Model name Drive type Write Speed Read Speed Data Transfer Rate Access Time Buffer Size Interface Type Specification VIA 6315N 1394a controller 1 rear 6pin IEEE1394 port 1 2x5pin on board jumper Specification - Acer Aspire G7750 | Service Guide - Page 106
Super Multi Item Vendor Model name Drive type Write Speed Specification HLDS GH-15N Super Multi - Read Speed Data Transfer Rate Access Time Buffer Size Interface Type - - - 4 MB Serial ATA Philips DH-16A3S Super Multi - - - - 4 MB Serial ATA Sony AD-7200S Super Multi DVD-R: 18x max. DVD +R DL: - Acer Aspire G7750 | Service Guide - Page 107
Appendix B Test Compatible Components This computer's compatibility is tested and verified by Acer's internal testing department. All of its system functions are tested under the following environment: • Genuine Windows 7 Home Premium (64-bit) Appendix B 101 - Acer Aspire G7750 | Service Guide - Page 108
Refer to the following lists for components, adapter cards, and peripherals which have passed these tests. Double click AVLC list. 102 Appendix B