Acer Aspire SA90 Service Manual Download Page 62

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Chapter 5

Front Panel Header

The front panel header (PANEL1) provides a standard set of switch and LED connectors commonly found on
ATX or Micro ATX cases. Refer to the table below for information:

Front USB

Front Audio

Illustration

Pin

Signal

Pin

Signal

5V_SYS

GPIO_GRN_
HDR_R

HDD_LED_R

GPIO_YLW_
HDR_R

GND

PSIN

ICH_SYS_RS
TJ

GND

5V_SYS

KEY

5V_SB

LAN_ACTJ

Illustration

Pin

Signal

Function

Pin

Signal

Function

VREG_FP_U
SBPWR0

Front panel USB
power(Ports 0,1)

VREG_FP_U
SBPWR0

Front panel USB
power(Ports 0,1)

USB_FP_P0-

Front panel USB
Port 0 Negative
Signal

USB_FP_P1-

Front panel USB
Port 1 Negative
Signal

US Front panel USB

Port 0 Positive
Signal

US Front panel USB

Port 1 Positive
Signal

GROUND

KEY

GROUND

Illustration

Pin

Signal Name

Pin

Signal Name

MIC2-L

AUD_GND

MIC2-R

AUD_PRESENCE_L

LINE2-R

MIC2-JD

FRONT-IO-SENSE

KEY

LINE2-L

LINE2-JD

Front Audio

Summary of Contents for Aspire SA90

Page 1: ...Aspire SA90 AcerPower S290 Service Guide PRINTED IN TAIWAN Service guide files and updates are available on the AIPG CSD web for more information please refer to http csd acer com tw ...

Page 2: ...II Revision History Please refer to the table below for the updates made on Aspire SA90 AcerPower S290 service guide Date Chapter Updates ...

Page 3: ...espect to the contents hereof and specifically disclaims any warranties of merchantability or fitness for any particular purpose Any Acer Incorporated software described in this 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 repair and ...

Page 4: ... bits and pieces of additional information related to the current topic WARNING Alerts you to any damage that might result from doing or not doing specific actions CAUTION Gives precautionary measures to avoid possible hardware or software problems IMPORTANT Reminds you to do specific actions relevant to the accomplishment of procedures ...

Page 5: ... NOT be covered in this generic service guide In such cases please contact your regional offices or the responsible personnel channel to provide you with further technical details 2 Please note WHEN ORDERING FRU PARTS that you should check the most up to date information available on your regional web or channel If for whatever reason a part number change is made it will not be noted in the printe...

Page 6: ...0 Advanced BIOS Features 22 Integrated Peripherals 25 Power Management 26 PnP PCI Configuration 29 PC Health Status 30 Frequency Voltage Control 31 Load Default Settings 32 Set Supervisor User Password 33 Save Exit Setup 34 Exit Without Saving 35 Chapter 3 Machine Disassembly and Replacement 36 General Information 37 Disassembly Procedure 38 AcerPower S290 Disassembly Procedure 39 Aspire SA90 Disa...

Page 7: ...mory T Memory Type DDRII 667 533 400 T Support single channel 64 bit mode with maximum memory size up to 2GB T Support un buffered DIMMs only T DIMM Slot 2 T Memorry Max Support 128MB 256MB 512MB and 1GB DDR memory technologies T Cpapcity Up to 1 GB per DIMM with maximum memory size up to 2 GB Graphics T SiS 671 Mirage 3 Graphics solution T DX9 Shader Model 2 0 Dual Pixel Shading pipeline support ...

Page 8: ...el T Audio Controller Codec Realtek ALC883 Co lay with Realtek ALC888 T Support S PDIF S PDIF out T ATAPI analog line level stereo inputs for AUX_IN LAN T Type RealTek 8211B T Supports 10 100 1000MB Ethernet environment T Support power down mode IEEE 1394 Reserved T IEEE 1394 Controller Ti TSB43AB23PDTG4 T IEEE 1394 Port 1 for rear I O port T On board connector 1 2x5 pin USB T Controller SiS 968 T...

Page 9: ...ts T 1 FDD slot T 1 PATA IDE slot T 2 SATA IDE connectors T 3 2 5 pin Intel FPIO sepcification USB pin connectors T 1 2 5 pin Intel FPIO spec Microphone In Headphone Out pin connectors T 1 serial port 2 5 pin connector T 1 AUX In 4pin connector T 1 S PDIF out 1 4pin connector T 1 4pin CPU Fan connector T 1 3pin system fan connector T 1 24pin ATX interface PS3 PS2 SPS connector T 1 2 7pin front pan...

Page 10: ...4 Chapter 1 Mainboard Placement ...

Page 11: ...te when create netlist Do not include the schematic KEYBOARD MOUSE SiS671FX USB 1 USB 4 Voltage Monitor LPC Super I O SiS968 Host Bus HyperZip LPC Bus LAN PHY Temperature Monitor Graphic Interface USB 2 USB 0 USB 5 USB 6 VGA Serial ATA Serial ATA DIMM 2 DDR2 CHANNEL A DIMM 1 PCI EXPRESS X16 SLOT VB PS 2 ROM SPI Bus PCI EXPRESS X1 SLOT on board 1394 ...

Page 12: ...0 Front Panel The computer s front panel consists of the following Label Description 1 Optical drive 2 Floppy disk drive 3 Power button 4 Speaker or headphone jack 5 Microphone jack 6 USB ports No Description No Description ...

Page 13: ...oltage selector switch 3 Fan aperture 4 PS 2 keyboard connector 5 PS 2 mouse connector 6 Serial port 7 Printer connector 8 Monitor connector 9 USB 2 0 ports 10 RJ 45 Ethernet connector 11 Microphone jack 12 Line out Jack 13 Line in jack 14 Extension card slots No Description No Description ...

Page 14: ... Front Panel Label Description 1 Power Button 2 Speaker out Line out Port 3 Microphone in out Front 4 USB Ports 5 Optical drive eject button 6 Optical drive 7 Power LED 8 HDD LED 9 Floppy drive eject button 10 Floppy disk drive ...

Page 15: ...Voltage selector switch 3 Fan aperture 4 PS 2 keyboard connector 5 PS 2 mouse connector 6 Serial port 7 Printer connector 8 Monitor connector 9 USB 2 0 ports 10 RJ 45 Ethernet connector 11 Microphone jack 12 Line out Jack 13 Line in jack 14 Extension card slots No Description No Description ...

Page 16: ...6 0 BIOS ROM type Flash ROM BIOS ROM size 4MB BIOS ROM package 32 pin DIP package Support protocol PCI 2 3 APM1 2 DMI 2 00 1 ACPI 2 0 SMBIOS 2 4 Device Boot Support HDD CDROM Remote Network USB USB Flash Support to LS 120 drive Yes Support to BIOS boot block feature Yes BIOS Hotkey List Hotkey Function Description c Enter BIOS Setup Utility Press while the system is booting to enter BIOS Setup Uti...

Page 17: ...heck feature Yes Support to Error Correction Code ECC feature No Memory module combinations You can install memory modules in any combination as long as they match the above specifications Cache Memory Item Specification First Level Cache Configurations Cache function control Enable Disable by BIOS Setup Second Level Cache Configurations L2 Cache RAM type PBSRAM L2 Cache RAM size Celeron 128K Inte...

Page 18: ...vices Integrated dual game port Meets AC 97and WHQL specifications Music synthesizer Yes internal FM synthesizer Sampling rate 48 KHz max MPU 401 UART support Yes Microphone jack Supported Headphone jack Supported IDE Interface Item Specification IDE controller SiS 968 IDE controller resident bus PCI bus Number of IDE channel 40 pin PATA x 1 SATA x 2 Support IDE interface E IDE up to PIO mode 4 an...

Page 19: ... Setup IRQ5 IRQ7 Serial Port Item Specification Serial port controller ITE8718Ex Serial port controller resident bus ISA bus Number of serial port 2 16550 UART support Yes Connector type 9 pin D type female connector Optional serial port I O address via BIOS Setup COM1 2F8h 3E8h 2E8h COM2 3E8h 3F8h 2F8h Optional serial port IRQ via BIOS Setup COM1 IRQ 3 and 4 COM2 IRQ 4 and 3 USB Port Item Specifi...

Page 20: ...rating unpacked 5 500 Hz 2 20g RMS random 10 minutes per axis in all 3 axes 5 500 Hz 1 09g RMS random 1 hour per axis in all 3 axes Power Management Devices S1 S3 S4 S5 Power Button USB Keyboard Mouse N A N A PME Disabled Disabled Disabled Disabled RTC Disabled Disabled Disabled Disabled WOR Disabled Disabled Disabled Disabled Environmental Requirements Item Specifications ν ν ν ν ν ν ...

Page 21: ...switch button modem ring in keyboard and mouse for APM mode T Resume recovery time 7 10 sec Suspend Mode T Independent power management timer 2 120 minutes time step 10 minutes or pushing external switch button T CPU goes into SMM T CPU asserts STPCLK and goes into the Stop Grant State T LED on the panel turns amber colour T Hard disk drive goes into SLEEP mode for ATA standard interface T Disable...

Page 22: ...ation values into the battery backed nonvolatile memory called CMOS RAM This memory area is not part of the system RAM NOTE If you repeatedly receive Run Setup messages the battery may be bad flat In this case the system cannot retain configuration values in CMOS Before you run Setup make sure that you have saved all open files The system reboots immediately after you exit Setup System Utilities C...

Page 23: ...ress to return to the main menu If you are already in the main menu press again to exit Setup The parameters on the screens show default values These values may not be the same as those in your system The grayed items on the screens have fixed settings and are not user configured NOTE Due to the application of a new version of BIOS Setup program you may find the BIOS menu is largely different from...

Page 24: ...this menu T Power Management Setup All the items of Green function features can be set up throgh this menu T PnP PCI Configurations The system s PnP PCI settings and parameters can be modified through this menu T PC Health Staus This will display the current status of your PC T Frequency Voltage Control Frequency and voltage settings can be loaded through this menu T Load Default Settings These pa...

Page 25: ...ard s serial number System BIOS Version Specifies the version of your BIOS utility SMBIOS version The System Management Interface SM BIOS allows you to check your system hardware components without actually opening your system Hardware checking is done via software during start up This parameter specifies the version of the SMBIOS utility installed in your system BIOS Release Date Displays the BIO...

Page 26: ...ly configure the drive by entering the characteristics of the drive in the items described below Please noted that if you choose IDE Channel 2 3 Master the item may change to Extended IDE Drive IDE Device Model Number None SATA Channel 1 2 Master This item display the status of auto detection of SATA devices Drive A Allows you to configure your floppy drive A None 360 KB 5 25 inch 1 2 MB 5 25 inch...

Page 27: ... option of memory that is available to standard DOS programs DOS systems have an address space od 1MB but the top 384KB called high memory is reserved for system use This leaves 640 KB of conventional memory Everything above 1MB is either extended or extended memory The BIOS POST will determine the amount of base or conventional memory installed in the sytem Extended Memory Memory above and beyond...

Page 28: ...ystem Floppy LS120 Hard Disk CD ROM ZIP100 USB FDD USB ZIP LAN Disabled Disable this sequence The sequence following the order of Floppy HDD and CD ROM is recommended Boot Other Device This parameter allows you to specify the system boot up search sequence Enabled Disabled Swap Floppy Drive Setting to Enabled will swap floppy drive a and b Enabled Disabled Phoenix AwardBIOS CMOS Setup Utility Adva...

Page 29: ...ns generating repeat characters Security Option Specifies the type of BIOS password protection that is implemented Setup means that the password prompt appears only when end users try to run Setup System means that a password prompt appears every time when the computer is powered on or when end users try to run Setup Setup System APIC Mode This field is used to enable or disable the APIC Advanced ...

Page 30: ... parameters of on board VGA Press Enter Memory Hole at 15M 16M In order to improve performance certain space in memory is reserved for ISA cards This memory must be mapped into the memory space below 16MB 15 16MB 14 16MB Disabled Phoenix AwardBIOS CMOS Setup Utility Advanced Chipset Features XInternal Graphic Control Press Enter Help Item X DRAM Clock Timing Control Press Enter AGP Aperture Size 6...

Page 31: ...setting methods are discussed below Press Enter Onboard PCI Device Press Enter Onboard Super IO Device Press Enter Phoenix AwardBIOS CMOS Setup Utility Integrated Peripherals XOnboard IDE Device Press Enter Help Item XOnboard PCI Device Press Enter XOnboard SuperIO Device Press Enter KLIJ Move Enter Select Value F10 Save ESC Exit F1 General Help F5 Previous Values F7 Optimized Defaults ...

Page 32: ...ction If your operating system is ACPI aware such as Windows 98SE 2000 Me select Enabled Enabled Disabled Phoenix AwardBIOS CMOS Setup Utility Power Management Setup ACPI function Enabled Help Item ACPI Suspend Type S3 STR Video Off in Suspend Yes Video Off Method V H SYNC Blank MODEM Use IRQ AUTO HDD Power Down Disabled Soft off by PWR BTTN Delay 4 Sec PWRON After PWR Fail Former Sts Power On By ...

Page 33: ...ion will cause the system to turn off the vertical and horizontal synchronization ports and write blanks to the video buffer Blank Screen This option only write blanks to the video buffer DPMS Supported Initial display power management signaling Blank Screen V H SYNC Blank DPMS Mode Use IRQ This setting names the interrupt request IRQ line assigned to the modem if any on your system Activity of se...

Page 34: ... if you have a modem on IRQ3 you can turn On IRQ3 as a wake up event so an interrupt from the modem can wake up the system Or you may wish to turn Off IRQ12 the PS 2 mouse as a wake up event so accidentally brushing the mouse does not awaken the system Press Enter Delay Prior to Thermal Enables you to set the delay time before the CPU enters auto thermal mode None 1 2 4 8 16 32 64 Min Parameter De...

Page 35: ... Enter to access the sub menu Press Enter PCI VGA Palette Snoop Disabled Data read or written by the CPU is only directed to the PCI VGA device s palette registers Enabled Data read or written by the CPU is directed to both the PCI VGA device s palette registers and the ISA VGA device s palette registers permitting the palette registers of both VGA devices to be identical Disabled Enabled If any I...

Page 36: ...ee and less than 65 degree When the CPU temperature is lower than 40 degrees Celsius CPU fan will be disable Enabled Disabled CPU Shutdown Temp This option is for setting the shutdown temperature level for the processor When the processor reaches the temperature you set the ACPI aware system will be shut down Phoenix AwardBIOS CMOS Setup Utility PC Health Status CPU Warning Temperature 70o C 158o ...

Page 37: ...eates EMI Electromagnetic Interference The spread Spectrum function reduces the EMI generated by modulating the pulses so that the spikes of the pulses are reduced to flatter curves If you do not have any EMI problem leave the setting at Disabled for optimal system stability and performance But if you are plagued by EMI setting to Enabled for EMI reduction Remember to disable Spread Spectrum if yo...

Page 38: ...N and then Enter to not install the defaults The defaults place demands on the system that may be greater than the performance level of the components such as the CPU and the memory You can cause fatal errors or instability if you install the optimized defaults when your hardware does not support them If you only want to install setup defaults for a specific option select and display that option ...

Page 39: ...d press Enter You may also press Esc to abort the selection To disable password just press Enter when you are prompted to enter password A message will confirm the password being disabled Once the password is disabled the system will boot and you can enter BIOS Setup freely Supervisor Password has higher priority than User Password You can use Supervisor Password when booting the system or enterin...

Page 40: ...p Highlight this item and press Enter to save the changes that you have made in the Setup Utility and exit the Setup Utility When the Save and Exit dialog box appears press Y to save and exit or press N to return to the main menu ...

Page 41: ... in the Setup Utility and exit the Setup Utility When the Exit Without Saving dialog box appears press Y to discard changes and exit or press N to return to the main menu NOTE If you have made settings that you do not want to save use the Exit Without Saving item and press Y to discard any changes you have made ...

Page 42: ...g electrostatic discharge T Wire cutter T Phillips screwdriver may require different size NOTE The screws for the different components vary in size During the disassembly process group the screws with the corresponding components to avoid mismatches when putting back the components Machine Disassembly and Replacement Chapter 3 ...

Page 43: ...on Before You Begin Before proceeding with the disassenbly procedure make sure that you do the following 1 Turn off the power to the system and all peripherals 2 Unplug the AC adapter and all power and signal cables from the system ...

Page 44: ...tion tells you how to disassemble the system when you need to perform system service Please also refer to the disassembly video if available CAUTION Before you proceed make sure you have turned off the system and all peripherals connected to it ...

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Page 59: ... refer to generic troubleshooting guide for trougleshooting information relating to following topics T Power On Self Test POST T POST Check Points T POST Error Messages List T Error Symptoms List Chapter 4 Troubleshooting ...

Page 60: ...pins Clear CMOS Description Illustration The illustrations show a 2 pin jumper When the jumper cap is placed on both pins the jumper is SHORT If you remove the jumper cap or place the jumper cap on just one pin the jumper is OPEN This illustration shows a 3 pin jumper Pins 1 and 2 are SHORT Jumper Type Description Setting Default Illustration CLR_CMOS 3 pin CLEAR CMOS 1 2 Clear 2 3 Normal Before c...

Page 61: ...Power Connectors Pin Signal Name Function 1 GND System Ground 2 12V Power 12V 3 Sense Sensor ATX_POWER ATX 20 pin Power Connector Pin Signal Name Pin Signal Name 1 3 3V 11 3 3V 2 3 3V 12 12V 3 Ground 13 Ground 4 5V 14 PS ON 5 Ground 15 Ground 6 5V 16 Ground 7 Ground 17 Ground 8 PWRGD 18 5V 9 5VSB 19 5V 10 12V 20 5V ATX12V ATX 12V Power Connector Pin Signal Name 1 Ground 2 Ground 3 12V 4 12V ...

Page 62: ... 13 NC 14 LAN_ACTJ Illustration Pin Signal Function Pin Signal Function 1 VREG_FP_U SBPWR0 Front panel USB power Ports 0 1 2 VREG_FP_U SBPWR0 Front panel USB power Ports 0 1 3 USB_FP_P0 Front panel USB Port 0 Negative Signal 4 USB_FP_P1 Front panel USB Port 1 Negative Signal 5 USB_FP_P0 Front panel USB Port 0 Positive Signal 6 USB_FP_P1 Front panel USB Port 1 Positive Signal 7 GROUND 8 GROUND 9 KE...

Page 63: ... TPA 2 TPA 3 GROUND 4 GROUND 5 TPB 6 TPB 7 12V FUSED 8 12V FUSED 9 KEY 10 GROUND Illustration Pin Signal Name Pin Signal Name 1 CD_IN_L 2 GROUND 3 GROUND 4 CD_IN_R 5 KEY Pin Signal Name Pin Signal Name 1 INTRUDERJ 2 GROUND Pin Signal Name Pin Signal Name 1 AGPIO1 2 GROUND Pin Signal Name Pin Signal Name 1 AGPIO2 2 GROUND ...

Page 64: ... 1 5V_SYS 2 KEY 3 SPDIF_OUT 4 GND Illustration Pin Signal Name Pin Signal Name 1 5V_SB 2 IR_26 3 SIO_RSMRSTJ 4 RESETCONJ 5 IR_20 6 IR_27 7 IR_RE 8 IR_21 9 GND 10 KEY Illustration Pin Signal Name Pin Signal Name 1 NDCDB 2 NSINB 3 NSOUTB 4 NDTRB 5 GND 6 NDSRB 7 NDSRB 8 NCTSB 9 NRIB 10 KEY ...

Page 65: ... 9 RI Pin Signal Name Pin Signal Name 1 STROBE 13 SLCT 2 PD0 14 ALF 3 PD1 15 ERROR 4 PD2 16 INIT 5 PD3 17 SLCTIN 6 PD4 18 Ground 7 PD5 19 Ground 8 PD6 20 Ground 9 PD7 21 Ground 10 ACK 22 Ground 11 BUSY 23 Ground Front Side View Pinout Top View Figure 2 1 2 3 4 5 6 7 8 9 Front Side View Pinout Top View ...

Page 66: ...Chapter 5 60 12 PE 24 Ground 25 Ground Pin Signal Name Pin Signal Name ...

Page 67: ...10 MTR0 11 Ground 12 DS0 13 Ground 14 DS1 15 Ground 16 MTR1 17 Ground 18 DIR 19 Ground 20 STEP 21 Ground 22 WDATA 23 Ground 24 WGATE 25 Ground 26 TRK0 27 Ground 28 WP 29 Ground 30 RDATA 31 Ground 32 HDSEL 33 Ground 34 DSKCHG Top View 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 ...

Page 68: ...5 DD1 16 DD14 17 DD0 18 DD15 19 Ground 20 Keypin 21 DMARQ 22 Ground 23 DIOW 24 Ground 25 DIOR 26 Ground 27 IORDY 28 PSYNC CSEL 29 DMACK 30 Ground 31 INTRQ 32 IOCS16 33 DA1 34 PDIAG 35 DA0 36 DA2 37 CS1FX 38 CS3FX 39 DASP 40 Ground Top View 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 ...

Page 69: ... web or channel http aicsl acer com tw spl if you do not own a specific account you can still access the system with guest guest For whatever reasons a part number change is 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 given in the FRU list of this printed Service Guide You MUST use the ...

Page 70: ...64 Chapter 6 Exploded Diagram ...

Page 71: ...Chapter 6 65 ...

Page 72: ...66 Chapter 6 Parts The spare parts will be updated later ...

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