Acer Extensa 390 Service Guide

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BIOS Setup InformationBIOS Setup Information3-1The Setup Utility is a hardware configuration program built into your computer’s BIOS (Basic
Input/Ouput System).
Your computer is already properly configured and optimized, and you do not need to run this utility.
However, if you encounter configuration problems, you may need to run Setup.  Please also refer
to Appendix E, BIOS Post Checkpoints when a problem arises.
To activate the Setup Utility, press F2 after you hear a beep while the Extensa logo is being
displayed.When Silent Boot (described later in this chapter) is disabled, a message displays telling you when
you can press F2 to run the Setup Utility.
BIOS V3.0
------------------------------------------------------------------------------------------------------
016384 KB Memory Good
Enter Setup, Press F2 Key
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ACR58000-M12-970324-R01-A0-EN
Copyright Ó Ó Acer Incorporated 1990-1997.  All Rights Reserved 
						

							3-2Service GuidePressing F2 brings up the main screen of the Setup Utility.
SETUP UtilityBasic System Settings
Startup Configuration
Onboard Devices Configuration
System Security
Power Management
Load Default Settings­ ­¯ ¯® ®¬ ¬=Move Highlight Bar, ¿ ¿=Select, Esc=ExitPress the cursor keys (­ ­¯ ¯® ®¬ ¬) to move the highlight bar, then press Enter to make a menu
selection. 
						

							BIOS Setup Information3-3 3.1 Basic System Settings
The Basic System Settings screen contains parameter items involving basic computer settings.
Basic System SettingsDate ------------------------------------ [Fri Feb 14, 1997]
Time ----------------------------------- [10:00:00]
Floppy Disk A ---------------------- [1.44 MB 3.5-inch]
Floppy Disk B ---------------------- [          None         ]
                                                      Cylinders Heads Sectors Size(MB)
Hard Disk ---------------------------- [Auto]      2100      16         63     1033­ ­¯ ¯=Move Highlight Bar, ® ®¬ ¬=Change Setting, Esc=ExitPress ­ ­ and ¯ ¯ to move the highlight bar; press ® ® and ¬ ¬ to change the setting of the highlighted
parameter.  To exit this screen and return to the main screen, press Esc.
The following table describes the parameters in this screen.  Settings in boldface are the default
and suggested parameter settings.
Table 3-1Basic System Settings ParametersParameterDescriptionSetting or FormatDateSets the computer’s system dateDay of the Week-Month-Day-YearTimeSets the computer’s system timeHour:Min:SecFloppy Disk ASelects the floppy disk drive type.
1.44 MB 3.5-inch
NoneFloppy Disk BSelects the floppy disk drive type.
In most cases, you only have need for one floppy
disk drive (A), so this is normally set to None.None
1.44 MB 3.5-inchHard DiskSelects the hard disk drive type.
When set to User, you need to specify the Cylinder,
Head and Sector information.  For hassle-free and
correct drive detection, this should be set to Auto.Auto
User
None 
						

							3-4Service Guide3.2 Startup Configuration
The Startup Configuration screen contains parameter items that are set-up when the computer
starts up.
Startup ConfigurationBoot Display ---------------------------- [Auto]
Memory Test --------------------------- [Enabled]
Silent Boot ------------------------------ [Enabled]
System Boot Drive -------------------- [Drive A Then C]
Boot from CD-ROM ------------------- [Enabled]
Operating System --------------------- [Windows 95/DOS]
USB Function Support -------------- [Disabled]­ ­¯ ¯=Move Highlight Bar, ® ®¬ ¬=Change Setting, Esc=ExitPress ­ ­ and ¯ ¯ to move the highlight bar; press ® ® and ¬ ¬ to change the setting of the highlighted
parameter.  To exit this screen and return to the main screen, press Esc.
The following table describes the parameters in this screen.  Settings in boldface are the default
and suggested parameter settings.
Table 3-2Startup Configuration ParametersParameterDescriptionSettingBoot DisplaySets the display device (computer LCD and/or external
monitor) to use when the computer starts (boots) up.
When set to Auto, the computer outputs to the external
monitor if one is connected; otherwise, the computer
outputs to the LCD.Auto
BothMemory TestRuns or skips the memory test.
Enabled
DisabledSilent BootHides or displays or hides the POST (Power On Self Test)
screen messages.Enabled
DisabledSystem Boot DriveSets the startup (boot) sequence of the drives in your
computer.
For example, when set to Drive A Then C, the computer
searches for a system (bootable) diskette in drive A first
before proceeding with drive C.Drive A Then C
Drive C Then A
Drive C
Drive ABoot from CD-ROMTells the computer to search for a bootable disc in the CD-
ROM drive and boot from that disc.
If the computer cannot find a bootable disc, it proceeds
according to the System Boot Drive parameter setting.Enabled
Disabled 
						

							BIOS Setup Information3-5 Table 3-2Startup Configuration ParametersParameterDescriptionSettingOperating SystemSelects the operating system the computer is running.
Set this parameter to the appropriate OS to get maximum
performance.Windows 95/DOS
Windows NTUSB Function SupportSelects support for USB (Universal Serial Bus).  Enable this
parameter if you are connecting USB device(s) to the
computer.Disabled
Enabled 
						

							3-6Service Guide3.3 Onboard Devices Configuration
The Onboard Devices Configuration screen contains parameter items that are related to port
devices on your computer.
Onboard Devices ConfigurationSerial Port ----------------------------- [Enabled]
   Base Address ---------------------- [3F8h]
   IRQ ------------------------------------ [4]
IrDA FIR -------------------------------- [Enabled]
   Base Address ---------------------- [2F8h]
   IRQ ------------------------------------ [3]
   DMA ----------------------------------- [3]
Internal Modem ---------------------- [Enabled]
   Base Address ---------------------- [3E8h]
   IRQ ------------------------------------ [11]
Parallel Port --------------------------- [Enabled]
   Base Address ---------------------- [378h]
   IRQ ------------------------------------ [7]
   Operation Mode ------------------- [Bi-directional]
   ECP DMA Channel ---------------- [-]­ ­¯ ¯=Move Highlight Bar, ® ®¬ ¬=Change Setting, Esc=ExitPress ­ ­ and ¯ ¯ to move the highlight bar; press ® ® and ¬ ¬ to change the setting of the highlighted
parameter.  To exit this screen and return to the main screen, press Esc.
The following table describes the parameters in this screen.  Settings in boldface are the default
and suggested parameter settings.
Table 3-3Onboard Devices Configuration ParametersParameterDescriptionSettingSerial PortEnables or disables the serial port
Enabled
Disabled  Base AddressSets the I/O base address of the serial port
3F8h
2F8h
3E8h
2E8h  IRQSets the IRQ (interrupt request) channel of the serial port
4
11IrDA FIREnables or disables the infrared port
Enabled
Disabled  Base AddressSets the I/O base address of the infrared port
2F8h
3E8h
2E8h
3F8h  IRQSets the IRQ channel of the infrared port
3
10 
						

							BIOS Setup Information3-7 Table 3-3Onboard Devices Configuration ParametersParameterDescriptionSetting  DMASets the DMA (direct memory access) channel of the infrared
port3
1Internal ModemEnables or disables the internal modem
Enabled
Disabled  Base AddressSets the I/O base address of the internal modem
3E8h
3F8h
2F8h
2E8h  IRQSets the IRQ channel of the internal modem
11
5
3
4
10Parallel PortEnables or disables the parallel port
Enabled
Disabled  Base AddressSets the I/O base address of the parallel port
378h
278h
3BCh  IRQSets the interrupt request (IRQ) channel of the parallel port
7
5  Operation ModeSelects the operation mode of the parallel port.
ECP (Extended Capabilities Port) supports a 16-byte FIFO (first
in, first out) which can be accessed by host DMA cycles and PIO
cycles, boosting I/O bandwidth to meet the demands of high-
performance peripherals.Bi-directional
ECP
Standard  ECP DMA ChannelSets the DMA channel of the parallel port when the parallel
operation mode is set to ECP.1
3 
						

							3-8Service Guide3.4 System Security
The System Security screen contains parameter items that help safeguard and protect your
computer from unauthorized use.
System SecurityDisk Drive Control
   Diskette Drive ---------------------- [Normal]
   Hard Disk Drive -------------------- [Normal]
Setup Password --------------------- [ None ]
Power On Password ---------------- [ None ]­ ­¯ ¯=Move Highlight Bar, ® ®¬ ¬=Change Setting, Esc=ExitPress ­ ­ and ¯ ¯ to move the highlight bar; press ® ® and ¬ ¬ to change the setting of the highlighted
parameter.  To exit this screen and return to the main screen, press Esc.
The following table describes the parameters in this screen.  Settings in boldface are the default
and suggested parameter settings.
Table 3-4System Security ParametersParameterDescriptionSettingDiskette Drive
(Control)Sets the control level of the diskette drive.
Normal
Disabled
Write Protect All Sectors
Write Protect Boot SectorHard Disk Drive
(Control)Sets the control level of the diskette drive.
Normal
Disabled
Write Protect All Sectors
Write Protect Boot SectorSetup
PasswordSets (and enables) the setup password.
When set, this password protects this Setup Utility from
unauthorized entry.  Before the computer allows access
to the Setup Utility, you need to enter the setup
password.None
EnabledPower On
PasswordSets (and enables) the power on password.
When set, this password protects the computer from
unauthorized entry.  At startup, you need to enter the
power on password to continue computer operation.None
Enabled 
						

							BIOS Setup Information3-9 3.5 Power Management Settings
The Power Management Settings screen contains parameter items related to power-saving and
power management.
Power Management SettingsHeuristic Power Management Mode --------- [Enabled]
Display Always On --------------------------------- [Disabled]
System Sleep State -------------------------------- [Hibernation]
System Resume Timer Mode ------------------ [Disabled]
System Resume Date ------------------------------- [--/--/----]
System Resume Time ------------------------------ [--/--/--]
Modem Ring Resume On Indicator ---------- [Enabled]
Battery-low Warning Beep ---------------------- [Enabled]
Sleep Upon Battery-low -------------------------- [Enabled]­ ­¯ ¯=Move Highlight Bar, ® ®¬ ¬=Change Setting, Esc=ExitPress ­ ­ and ¯ ¯ to move the highlight bar; press ® ® and ¬ ¬ to change the setting of the highlighted
parameter.  To exit this screen and return to the main screen, press Esc.
The following table describes the parameters in this screen.  Settings in boldface are the default
and suggested parameter settings.
Table 3-5Power Management Settings ParametersParameterDescriptionSetting or FormatHeuristic Power
Management ModeEnables or disables heuristic power management mode.
Enabled
DisabledDisplay Always OnWhen enabled the computer does not enter display
standby mode.Disabled
EnabledSystem Sleep StateSetting this item determines which power management
mode (Hibernation or Standby) the computer enters into
when you press the Sleep hotkey (Fn-F7).Hibernation
StandbySystem Resume Timer
ModeWhen enabled and the system resume date and time
are valid, the computer resumes (wakes up) at the set
time and date.Disabled
EnabledSystem Resume DateSets the date the computer resumes (wakes up) from if
the system resume timer is enabled.month/day/ yearSystem Resume TimeSets the time the computer resumes (wakes up) from if
the system resume timer is enabled.hour/minute/second 
						

							3-10Service GuideTable 3-5Power Management Settings ParametersParameterDescriptionSetting or FormatModem Ring Resume
On IndicatorWhen enabled, and an incoming modem ring is
detected, the computer wakes up from standby mode.
When the computer is off or in hibernation mode, the
computer will not resume on a modem ring.Enabled
DisabledBattery-low Warning
BeepEnables or disables warning beeps during a battery-low
condition.Enabled
DisabledSleep Upon Battery-lowEnables or disables the sleep function (hibernation or
standby) during a battery-low condition.
When the computer is running very low on battery
power, the computer will disregard the system sleep
state setting and enter hibernation mode if Sleep
Manager is installed and the hibernation file is valid.Enabled
DisabledPressing Fn-F6 during normal computer operation (after POST) also brings up the power
management screen.  An additional page, shown below, is added to this function which appears
only via Fn-F6.
System Information ReferenceSerial Number  : 11111111117
System BIOS Version  : V3.0 R01-A0-EN
BIOS Release Date  : 2/14/97
VGA BIOS Version  : 0.2.5 R01-F0
Processor  : PentiumInternal Cache : 16KB, Enabled
Processor Speed  : 150 MHzExternal Cache  : 256KB, Enabled
Total Memory  : 16 MBPointing Device : Detected
Video Memory  : 2 MBSerial Port : 3F8h, IRQ4
Floppy Drive A  : 1.44 MBIrda FIR : 2F8h, IRQ3, DMA3
Floppy Drive B  : NoneInternal Modem : 3E8h, IRQ11
Hard Disk  : 1033 MBParallel Port : 378h, IRQ7
CD ROM  : InstalledOperation Mode : Bi-directional
CD ROM Bootable  : Enabled
System Boot Drive  : Drive A Then CEsc=ExitThe System Information Reference screen gives a summary of your computer’s BIOS information.
These items are easy to understand and are self-explanatory.Note:  The Serial Number and BIOS Versions are important information about your
computer.  If you experience computer problems, this data helps our service
personnel know more about your computer.