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Acer V55 System, User Manual

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Acer V55 System User Manual Download Page 58

If You Forget the Password

If you forget your password, clear the CMOS settings.   To clear the
CMOS settings, take the battery out for two hours.   Put the battery
back after this time to load the CMOS default settings.

Call your dealer or a qualified technician if you are not confident to
perform the above procedure.

2.5.5

Power On Password

The power on password secures your system against unauthorized
use.  Once you set this password, you have to type it whenever you
boot the system.

To   set   a   power   on   password,   highlight   the   Power   On   Password
parameter   and   follow   the   same   procedure   as   in   setting   a   setup
password.  See section 2.5.4.

BIOS Utility

2-

23

Summary of Contents for V55 System

Page 1: ...V55 System User s Guide ...

Page 2: ...ly disclaims any warranties merchantability or fitness for any particular purpose Any software described in this manual is sold or licensed as is Should the programs prove defective following their purchase the buyer and not this company its distributor or its dealer assumes the entire cost of all necessary servicing repair and any incidental or consequential damages resulting from any defect in t...

Page 3: ...Other brand and product names are trademarks and or registered trademarks of their respective holders iii ...

Page 4: ...eating these openings must not be blocked or covered The openings should never be blocked by placing the product on a bed sofa rug or other similar surface This product should never be placed near or over a radiator or heat register or in a built in installation unless proper ventilation is provided 7 This product should be operated from the type of power indicated on the marking label If you are ...

Page 5: ...ing or removing covers may expose you to dangerous voltage points or other risks Refer all servicing to qualified service personnel 13 Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions a When the power cord or plug is damaged or frayed b If liquid has been spilled into the product c If the product has been exposed to rain or ...

Page 6: ...plode if not handled properly Do not recharge disassemble or dispose of in fire Keep away from children and dispose of used battery promptly 16 Use only the proper type of power supply cord set provided in your keyboard manual accessories box for this unit It should be a detachable type UL listed CSA certified type SVT SJT rated 6A 125V minimum VDE approved or its equivalent Maximum length is 15 f...

Page 7: ... this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures 1 Reorient or relocate the receiving antenna 2 Increase the separation between the equipment and receiver 3 Connect the equipment into an outlet on a circuit di...

Page 8: ...apters Chapter 1 System Board This chapter describes the system board and all its major components It contains the system board layout jumper settings cache and memory configurations and information on other internal devices Chapter 2 BIOS Utility This chapter gives information about the system BIOS and tells how to configure the system by changing the settings of the BIOS parameters viii ...

Page 9: ...o press on the keyboard NOTE Gives 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 TIP Tells how to accomplish...

Page 10: ...through little shortcuts x ...

Page 11: ...mory Configurations 1 10 1 5 2 Installing a SIMM 1 12 1 5 3 Removing a SIMM 1 13 1 5 4 Reconfiguring the System 1 14 1 6 IDE Hard Disk Support 1 14 1 7 CPU Installation 1 15 1 8 Second level Cache Configuration 1 16 1 9 Installing ISA Cards 1 17 1 10 Error Messages 1 18 1 10 1 Software Error Messages 1 18 1 10 2 System Error Messages 1 18 1 10 3 Correcting Error Conditions 1 21 Chapter 2 BIOS Util...

Page 12: ... Internal Cache CPU Cache 2 12 2 3 2 External Cache 2 12 2 3 3 ECC Parity Mode Selection 2 12 2 3 4 Memory at 15MB 16MB 2 12 2 4 Power Saving Configuration 2 13 2 4 1 Power Management Mode 2 14 2 4 2 Monitored Activities 2 15 2 5 System Security Setup 2 16 2 5 1 Disk Drive Control 2 16 2 5 2 Onboard Communication Ports 2 18 2 5 3 Onboard PS 2 Mouse IRQ 12 2 20 2 5 4 Setup Password 2 21 2 5 5 Power...

Page 13: ...2 6 3 VGA Palette Snoop 2 25 2 6 4 Plug Play OS 2 26 2 6 5 Reset Resources Assignment 2 26 2 7 Load Setup Default Settings 2 27 2 8 Leaving Setup 2 27 xiii ...

Page 14: ... 8 Installing a Cache Module 1 16 List of Tables 1 1 Jumper Settings 1 5 1 2 S1 Settings for CPU Selection 1 7 1 3 Connector Functions 1 8 1 4 Memory Configurations 64 bit 1 10 1 5 Memory Configurations 32 bit 1 11 1 6 IDE Hard Disk Configuration 1 14 1 7 System Error Messages 1 19 2 1 Drive Control Settings 2 17 2 2 Serial Port 1 Settings 2 18 2 3 Serial Port 2 Settings 2 18 2 4 Parallel Port Set...

Page 15: ...e Two DRAM banks composed of four 72 pin sockets come with the board to support single and double density SIMMs for a maximum system memory of 128 MB The SIMM sockets accommodate both the standard page mode and extended data output EDO SIMMs An exclusive slot comes with the board to allow a cache upgrade of up to 512 KB using a pipeline burst cache module The two onboard PCI enhanced IDE interface...

Page 16: ... ns DRAMs recommended 60 ns DRAMs meet the chipset default DRAM timing Three ISA and four PCI bus expansion slots 256 512 KB onboard pipeline burst second level cache If the board comes with 256 KB cache you may upgrade it to 512 KB by installing a UMC UM61 3232AF 7 256K cache module 128 KB Flash ROM for system BIOS Two PCI enhanced IDE interfaces that support up to four IDE devices System clock c...

Page 17: ...SIMM sockets 2 CPU voltage regulator 3 CPU socket 4 CPU voltage regulator 5 Cache module socket 6 Pipeline burst second level cache 7 PS 2 keyboard port 8 PS 2 mouse port 9 PCI expansion slots 10 Battery 11 ISA expansion slots 12 BIOS Figure 1 1 System Board Layout System Board 1 3 ...

Page 18: ...Jumper and Connector Locations Figure 1 2 shows the jumper and connector locations on the system board Figure 1 2 System Board Jumper and Connector Locations The blackened pin of a jumper or connector represents pin 1 1 4 User s Guide ...

Page 19: ...unction ROM Type JP4 1 2 2 3 EPROM Flash ROM ROM Brand JP5 1 2 2 3 3 4 NC 29EE010 28F001 CPU Core Voltage JP6 1 2 2 3 3 2V 2 8V CPU I O Voltage JP7 1 2 2 3 3 5V 3 3V L2 Cache Size JP8 JP9 1 2 2 3 512 KB 256 KB L2 Cache Mode JP10 1 2 2 3 Reserved Normal operation Clearing CMOS JP11 Open Shorted Normal operation Clear CMOS Default setting System Board 1 5 ...

Page 20: ...m its socket 2 Use a wire to short the two solder pads for about 10 seconds 3 Re insert the system battery into the socket Selecting a CPU A multifunction switch marked S1 comes onboard to allow selection of the CPU clock frequency and core clock ratio depending on the CPU type Figure 1 3 shows the S1 multifunction switch Figure 1 3 S1 Multifunction Switch Table 1 2 lists the settings and function...

Page 21: ...Off 3 180 60 On Off Off On 3 166 66 On On On Off 5 2 150 60 On On Off On 5 2 133 66 Off On On Off 2 120 60 Off On Off On 2 100 66 Off Off On Off 3 2 90 60 Off Off Off On 3 2 75 50 Off Off On On 3 2 Reserved Cyrix M1 IBM 6x86 P166 66 Off On On Off 2 P150 60 Off On Off On 2 P120 50 Off On On On 2 Note that the 233 MHz CPU frequency applies to the Intel Pentium CPU only System Board 1 7 ...

Page 22: ... 2 connector CN3 Serial port 1 connector CN4 Parallel port connector CN5 Diskette drive connector CN6 IDE 2 connector CN8 Power connector CN9 IDE 1 connector CN10 PS 2 keyboard port CN11 PS 2 mouse port CN13 CPU power shorting block CN14 CPU fan connector CN16 Multifunction connector CN17 External suspend switch CN18 Software shutdown switch CN19 IrDA connector optional CN20 IDE LED connector 1 8 ...

Page 23: ...lways observe the following electrostatic discharge ESD precautions before installing a system component 1 Do not remove a component from its antistatic packaging until you are ready to install it 2 Wear a wrist grounding strap before handling electronic components Wrist grounding straps are available at most electronic component stores Do not attempt the procedures described in the following sect...

Page 24: ...B 8 MB 8 MB 16 MB 8 MB 8 MB 16 MB 4 MB 4 MB 4 MB 4 MB 16 MB 4 MB 4 MB 8 MB 8 MB 24 MB 8 MB 8 MB 4 MB 4 MB 24 MB 8 MB 8 MB 8 MB 8 MB 32 MB 16 MB 16 MB 32 MB 16 MB 16 MB 32 MB 4 MB 4 MB 16 MB 16 MB 40 MB 16 MB 16 MB 4 MB 4 MB 40 MB 8 MB 8 MB 16 MB 16 MB 48 MB 16 MB 16 MB 8 MB 8 MB 48 MB 16 MB 16 MB 16 MB 16 MB 64 MB 32 MB 32 MB 64 MB 32 MB 32 MB 64 MB 4 MB 4 MB 32 MB 32 MB 72 MB 32 MB 32 MB 4 MB 4 M...

Page 25: ... MB 12 MB 4 MB 4 MB 8 MB 16 MB 4 MB 4 MB 16 MB 24 MB 4 MB 4 MB 32 MB 40 MB 8 MB 8 MB 8 MB 8 MB 4 MB 20 MB 8 MB 8 MB 8 MB 24 MB 8 MB 8 MB 16 MB 32 MB 8 MB 8 MB 32 MB 48 MB 16 MB 16 MB 16 MB 16 MB 4 MB 36 MB 16 MB 16 MB 8 MB 40 MB 16 MB 16 MB 16 MB 48 MB 16 MB 16 MB 32 MB 64 MB 32 MB 32 MB 32 MB 32 MB 4 MB 68 MB 32 MB 32 MB 8 MB 72 MB 32 MB 32 MB 16 MB 80 MB 32 MB 32 MB 32 MB 96 MB The system does n...

Page 26: ...e direction If you slip in a SIMM but would not completely fit you may have inserted it the wrong way Reverse the orientation of the SIMM 2 Gently push the SIMM to a vertical position until the pegs of the socket slip into the holes on the SIMM and the holding clips lock the SIMM into position The SIMM should be at a 90 angle when installed Figure 1 5 Installing a SIMM 1 12 User s Guide Hole Peg P...

Page 27: ...s the holding clips on both sides of the SIMM outward to release it 2 Move the SIMM to a 45 angle 3 Pull the SIMM out of the socket Figure 1 6 Removing a SIMM Always remove SIMMs from the socket labeled SIMM4 then SIMM3 and so on System Board 1 13 1 2 3 Holding Clip ...

Page 28: ...wice to exit and reboot the system The system boots with the new memory configuration 1 6 IDE Hard Disk Support The system board supports four IDE hard disks or any other IDE devices through the two onboard PCI IDE interfaces See Figure 1 1 for the location Follow the instructions in the housing installation manual on how to install a hard disk in the system Connect the cables according to the IDE...

Page 29: ...r the appropriate settings and to your CPU documentation for more information 2 If you install a dual voltage CPU remove the shorting block on CN13 See your CPU documentation for the specifications 3 Lift up the CPU socket lever 4 Insert the CPU into the socket Make sure that the notched corner of the CPU matches the pin 1 indicator on the socket 5 Push down the socket lever Figure 1 7 Installing ...

Page 30: ...nstalling a UMC UM61 3232AF 7 256K cache module Follow these steps to install a cache module 1 Position the cache module on top of the slot such that its component side faces the CPU 2 Insert the cache module carefully until the golden finger of the module fit into place Figure 1 8 Installing a Cache Module 3 Set jumpers JP8 and JP9 to the correct second level cache size Do not forget this step Th...

Page 31: ...t Resource Assignment parameter to Yes to clear the resource data assigned to the PnP devices Refer to section 2 6 5 3 Install non PnP ISA cards 4 Turn on the system 5 Use Windows 95 or ICU to manually assign the appropriate IRQs to the cards This ensures that BIOS will not use the resources assigned to the non PnP ISA cards BIOS detects and configures only PnP cards 6 Turn off the system 7 Instal...

Page 32: ...ware error messages are returned by your operating system or application These messages typically occur after you boot the operating system or when you run your applications If you receive this type of message consult your application or operating system manual for help 1 10 2 System Error Messages A system error message indicates a problem with the computer itself A message of this type normally ...

Page 33: ...Type Mismatch Run Setup and select the proper drive type Diskette Drive B Type Mismatch Run Setup and select the proper drive type Equipment Configuration Error Modify the memory configuration to agree with one of the options in Tables 1 4 and 1 5 Hard Disk Controller Error Run Setup Hard Disk 0 Error Check all cable connections Replace hard disk Hard Disk 1 Error Check all cable connections Repla...

Page 34: ... the error message reappears ask for technical assistance Onboard Serial Port 1 Conflict Run Setup and disable the port Onboard Serial Port 2 Conflict Run Setup and disable the port Onboard Parallel Port Conflict Run Setup and disable the port Pointing Device Error Check and connect pointing device Pointing Device Interface Error Replace the pointing device or contact your dealer Press F1 key to c...

Page 35: ... major cause of power on error messages especially for a new system 2 Remove the system unit cover Check that the jumpers on the system board and any expansion boards are set correctly 3 If you cannot access a new disk it may be because your disk is not properly formatted Format the disk first using the FDISK and FORMAT commands 4 Check that all connectors and boards are securely plugged in If you...

Page 36: ...values into the battery backed nonvolatile memory called CMOS RAM This memory area is not part of the system RAM If you repeatedly receive Run Setup messages the battery may be bad In this case the system cannot retain configuration values in CMOS Ask a qualified technician for assistance Before running Setup make sure that you have saved all open files The system reboots immediately after you exi...

Page 37: ...stem Configuration Advanced System Configuration Power Saving Configuration System Security PnP PCI System Configuration Load Setup Default Settings Move Highlight Bar Select Esc Exit and Reboot The parameters on the screens show default values These values may not be the same as those in your system The grayed items denoted with asterisks on the screens have fixed settings and are not user config...

Page 38: ...xxx MB Auto xx xx xx IDE Drive 1 xxx MB Auto xx xx xx IDE Drive 2 Auto IDE Drive 3 Auto Total Memory xxxx KB Move Highlight Bar Change Setting PgDn PgUp Move Screen F1 Help Esc Exit The command line at the bottom of the menu tells you how to highlight items change settings and move from one screen to another Press or on the cursor edit keypad to highlight the desired parameter Press or to select t...

Page 39: ... Bar Change Setting PgDn PgUp Move Screen F1 Help Esc Exit The following sections explain the different parameters and their settings 2 2 1 Date and Time The real time clock keeps the system date and time After setting the date and time you need not enter them every time you turn on the system As long as the internal battery remains good approximately seven years and connected the clock continues ...

Page 40: ...cond 00 to 59 2 2 2 Diskette Drives To enter the configuration value for the first diskette drive drive A highlight the Diskette Drive A parameter Press or key to view the options and select the appropriate value Possible settings for the Diskette Drive parameters None 360 KB 5 25 inch 1 2 MB 5 25 inch 720 KB 3 5 inch 1 44 MB 3 5 inch 2 88 MB 3 5 inch Follow the same procedure for Diskette Drive B...

Page 41: ...ing and self initialization before loading the operating system and applications the BIOS utility automatically determines your IDE drive type You can see the drive type and its values when you enter the BIOS Utility Cylinder Head Sector IDE Drive 0 xx MB Auto xx xx xx If desired you can save the values under the option User Cylinder Head Sector IDE Drive 0 xx MB User xx xx xx The next time you bo...

Page 42: ...re an IDE hard disk with the User option 1 Highlight an IDE drive parameter 2 Select the option User and press 3 Type in the number of cylinders heads and sectors of the drive under the appropriate columns Be sure to have the correct IDE hard disk drive information beforehand 4 Choose YES when asked if you want to save CMOS data 2 2 4 Total Memory The system automatically detects the total amount ...

Page 43: ... support the advanced PIO mode If not set this parameter to Disabled Refer to your hard disk documentation for information about the advanced PIO mode Hard Disk Size 504 MB This enhanced IDE feature works only under DOS and Windows 3 x environments If enabled it allows you to use a hard disk with a capacity of more than 504 MB This is made possible through the Logical Block Address LBA mode transl...

Page 44: ...Normal 2 2 7 Num Lock After Boot This parameter allows you to activate the Num Lock function upon booting The default setting is Enabled 2 2 8 Memory Test When set to Enabled this parameter allows the system to perform a RAM test during the POST routine When set to Disabled the system detects only the memory size and bypasses the test routine The default setting is Disabled 2 2 9 Quiet Boot This p...

Page 45: ...table after POST but before booting The configuration table gives a summary of the hardware devices and settings that BIOS detected during POST Following is a sample configuration table CPU CLK Pentium 133 MHz Math Coprocessor Installed IDE Drive 0 xxx MB IDE Drive 1 xxx MB IDE Drive 2 xxx MB IDE Drive 3 xxx MB Diskette Drive A xx MB xx inch Diskette Drive B None Base Memory xxx KB Extended Memory...

Page 46: ...system The following screen shows page one of the Advanced System Configuration parameters Advanced System Configuration Page 1 1 Internal Cache CPU Cache Enabled External Cache Enabled Cache Scheme Write Back ECC Parity Mode Selection Disabled Memory at 15MB 16MB Reserved for System Use Move Highlight Bar Change Setting PgDn PgUp Move Screen F1 Help Esc Exit The grayed parameters denoted with ast...

Page 47: ...able the ECC and parity check feature The ECC option ECC detects of both single bit and multiple bit errors but corrects only single bit errors The Parity option allows parity check If it detects any parity errors it signals the operating system of the parity error detection Disable this parameter if you installed SIMMs without parity 2 3 4 Memory at 15MB 16MB To prevent memory address conflicts b...

Page 48: ...ement Mode Enabled Monitor Power Saving Timer 15 Minute s IDE Hard Disk Standby Timer 15 Minute s System Standby Timer OFF System Suspend Timer OFF Monitored Activities IRQ 2 IRQ 9 Disabled DRQ 0 Disabled IRQ 3 Disabled DRQ 1 Disabled IRQ 4 Disabled DRQ 3 Disabled IRQ 5 Disabled DRQ 5 Disabled IRQ 7 Disabled DRQ 6 Disabled IRQ 10 Disabled DRQ 7 Disabled IRQ 11 Disabled IRQ 12 Enabled IRQ 15 Enable...

Page 49: ... on your setting When you access the hard disk again allow 3 to 5 seconds depending on the hard disk for the disk to return to normal speed Set this parameter to Off if your hard disk does not support this function System Standby Timer This parameter sets the system to a fast on power saving mode It automatically enters the standby mode after a specified period of inactivity Any keyboard or mouse ...

Page 50: ...activities occurring through the IRQ channels The enabled parameters indicate specific system activities that wake up the system from power saving mode For example if you assign IRQ 3 to a fax modem and you set this item to Enabled any fax modem activity wakes up the system BIOS Utility 2 15 ...

Page 51: ...Port Base Address 378 IRQ 7 Operation Mode Enhanced Parallel Port EPP Mode ECP DMA Channel Onboard PS 2 Mouse IRQ 12 Enabled Setup Password None Power On Password None Move Highlight Bar Change Setting PgDn PgUp Move Screen F1 Help Esc Exit 2 5 1 Disk Drive Control The disk drive control features allow you to enable or disable the read write functions of a disk drive These features can also contro...

Page 52: ... all hard disk functions System Boot Drive Drive A then C The system checks drive A first If there is a diskette in the drive the system boots from drive A Otherwise it boots from drive C Drive C then A The system checks drive C first If there is a hard disk drive C installed the system boots from drive C Otherwise it boots from drive A C The system always boots from drive C A The system always bo...

Page 53: ...Disables serial port 1 Serial Port 2 Base Address This parameter allows you to set the serial port 2 logical base address Table 2 3 Serial Port 2 Settings Setting Description 3F8h Serial port 2 with address 3F8h using IRQ4 2F8h Serial port 2 with address 2F8h using IRQ3 3E8h Serial port 2 with address 3E8h using IRQ4 2E8h Serial port 2 with address 2E8h using IRQ3 Disabled Disables serial port 2 I...

Page 54: ...IRQ 7 Corresponds to the parallel port with address 378h 278h IRQ 5 Corresponds to the parallel port with address 278h Disabled Disables the parallel port To deactivate the parallel port select the Disabled option If you install an add on card that has a parallel port whose address conflicts with the parallel port onboard the system automatically disables the onboard functions Check the parallel p...

Page 55: ...ed Extended Capabilities Port ECP Allows parallel port to operate in bidirectional mode and at a speed higher than the maximum data transfer rate ECP DMA CHANNEL This item becomes active only if you select Extended Capabilities Port ECP as the operation mode It allows you to select DMA channel 1 or DMA channel 3 as required in Windows95 2 5 3 Onboard PS 2 Mouse IRQ 12 This parameter enables or dis...

Page 56: ...to seven characters Be very careful when typing your password because the characters do not appear on the screen 4 Press A prompt asks you to retype the password to verify your first entry 5 Retype the password then press After setting the password the system automatically sets the Setup Password parameter to Present 6 Press to exit the System Security screen and return to the main menu 7 Press to...

Page 57: ... following 1 Enter the BIOS utility and select System Security 2 Highlight the Setup Password parameter 3 Press the or key to display the password prompt and key in a new password or Press the or key and select None to remove the existing password 4 Press to exit the System Security screen and return to the main menu 5 Press to exit the BIOS utility A dialog box appears asking if you want to save ...

Page 58: ... dealer or a qualified technician if you are not confident to perform the above procedure 2 5 5 Power On Password The power on password secures your system against unauthorized use Once you set this password you have to type it whenever you boot the system To set a power on password highlight the Power On Password parameter and follow the same procedure as in setting a setup password See section 2...

Page 59: ...Yes Reset Resources Assignment No Move Highlight Bar Change Setting PgDn PgUp Move Screen F1 Help Esc Exit 2 6 1 PCI IRQ Setting This parameter allows for Auto or Manual configuration of PCI devices If you use plug and play PnP devices you can keep the default setting Auto The system then automatically configures the PnP devices If your PCI device is not a PnP you can manually assign the interrupt...

Page 60: ...u to use the palette snooping feature if you installed more than one VGA card in the system The VGA palette snoop function allows the control palette register CPR to manage and update the VGA RAM DAC Digital Analog Converter a color data storage of each VGA card installed in the system The snooping process lets the CPR send a signal to all the VGA cards so that they can update their individual RAM...

Page 61: ...perating system is Windows 95 2 6 5 Reset Resources Assignment Set this parameter to Yes to avoid IRQ conflict when installing non PnP or PnP ISA cards This clears all resource assignments and allows BIOS to reassign resources to all installed devices the next time the system boots After clearing the resource data the parameter resets to No Refer to section 1 9 for instructions on installing and c...

Page 62: ...ad Setup Default Settings Are you sure Yes No Select Yes to load the default settings 2 8 Leaving Setup Examine the system configuration values When you are satisfied that all the values are correct write them down Store the recorded values in a safe place In the future if the battery loses power or the CMOS chip is damaged you will know what values to enter when you rerun Setup Press to leave the...

Page 63: ...Use the arrow keys to select your response Select Yes to store the new data in CMOS Select No to retain the old configuration values Press 2 28 User s Guide ...

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