The information in this guide is subject to change without notice.
Acer Incorporated makes no representations or warranties, either expressed or implied, with respect 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 any incidental or consequential
damages resulting from any defect in the software.
Acer is a registered trademark of Acer Corporation.
Intel is a registered trademark of Intel Corporation.
Pentium and Pentium II/III are trademarks of Intel Corporation.
Other brand and product names are trademarks and/or registered trademarks of their respective holders.
III
Conventions
The following conventions are used in this manual:
Screen MessagesDenotes actual messages that appear
on screen.
NOTEGives bits and pieces of additional
information related to the current
topic.
WARNINGAlerts you to any damage that might
result from doing or not doing specific
actions.
CAUTIONGives precautionary measures to
avoid possible hardware or software
problems.
IMPORTANTReminds you to do specific actions
relevant to the accomplishment of
procedures.
IV
Preface
Before using this information and the product it supports, please read the following general information.
1.This Service Guide provides you with all technical information relating to the BASIC CONFIGURATION
decided for Acer's "global" product offering. To better fit local market requirements and enhance product
competitiveness, your regional office MAY have decided to extend the functionality of a machine (e.g.
add-on card, modem, or extra memory capability). These LOCALIZED FEATURES will 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 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 list provided by your regional Acer office to order FRU parts for repair and
service of customer machines.
Audio function controlEnable/disable by BIOS Setup
Mono or stereo Stereo
Resolution26 bits
Channel6
Chapter 111
IDE Interface
ItemSpecification
Chip VendorSiS
Chip NameSiS964L
Number of IDE channel2
Support IDE interfaceYes
Support bootable CD-ROM Yes
Floppy Disk Drive Interface
Item Specificatoin
Vendor & Mode NamePanasoic JU-226A 243FC
Floppy Disk Specification
Floppy Disk Drive ControlleITE8705
Floppy Disk Drive Controller Resident BusISA Bus
Support FDD format360KB, 720KB, 1.2MB, 1.44MB, 2.88MB
Parallel Port
ItemSpecification
Parallel port controllerITE8705
Parallel port controller resident busISA bus
Number of parallel ports1
LocationRear Side
Support ECP/EPP SPP / Bi-directional / ECP / EPP
Connector type25-pin D-type female connector
Parallel port function controlAlways Enabled
Optional ECP DMA channel
(in BIOS Setup)
Optional parallel port I/O address
(via BIOS Setup)
Optional parallel port IRQ
(via BIOS Setup)
DMA channel 1
DMA channel 3
378h
IRQ7
Serial Port
ItemSpecification
Serial port controllerITE8705
Serial port controller resident busISA bus
Number of serial port1
16550 UART supportNo
Connector type9-pin D-type female connector
Optional serial port I/O address
(via BIOS Setup)
Optional serial port IRQ
(via BIOS Setup)
COM1: 2F8h, 3E8h, 2E8h
COM2: 3E8h, 3F8h, 2F8h
COM1: IRQ 3, and 4
COM2: IRQ 4, and 3
12Chapter 1
Modem
ItemSpecification
ChipsetAgere Scorpio+CSP1037P
Fax modem data baud rate (bps)14.4K
Data modem data baud rate (bps)56K
Voice modemV.253
Modem connector typeRJ11
Full duplexNo
USB Port
ItemSpecification
USB Compliancy LevelUSB 1.1/2.0
EHCIUSB 2.0
Number of USB Port 8 ( M/B support total 8 USB but there only 4 can be used, another 4 have
been occupied by memory card reader)
LocationRear Side(2) /Front side(2)
Serial Port Function ControlAlways Enabled
PCI INTx# and IDSEL Assignment Map
PCI INTx #PCI DevicesDevice IDSEL: ADxx
INTA#AGP-slotN
INTB#PCI-Slot1AD20
INTC#PCI-Slot2AD21
INTD#PCI-Slot3AD22
PCI Slot IRQ Routing Map
PCI INTX#INTAINTBINTCINTDBus Mastering
PCI slot 1Route 4Route 1Route 2Route 3Enabled
PCI slot 2Route 3Route 4Route 1Route 2Enabled
PCI slot 3Route 2Route 3Route 4Route 1Enabled
I/O Address Map
Hex RangeDevices
000-01FDMA Controller-1
020-021Interrupt Controller-1
040-043System Timer
060-060Keyboard Controller 8742
061-061System Speaker
070-071CMOS RAM Address and Real Time Clock
080-08FDMA Page Register
0A0-0A1Interrupt Controller-2
0C0-0DFDMA Controller-2
0F0-0FFMath Co-Processor
Chapter 113
I/O Address Map
Hex RangeDevices
170-177Secondary IDE
1F0-1F7Primary IDE
278-27FParallel Printer Port 2
2F8-2FFSerial Asynchronous Port 2
378-37FParallel Printer Port 1
3F0-3F5Floppy Disk Controller
3F6-3F6Secondary IDE
3F7-3F7Primary IDE
3F8-3FFSerial Asynchronous Port 1
0CF8Configuration Address Register
0CFCConfiguration Data Register
778-77AParallel Printer Port 1
IRQ Assignment Map
IRQx System DevicesAdd-On-Card Devices
IRQ0TimerN
IRQ1KeyboardN
IRQ2Cascade Interrupt ControlN
IRQ3Serial AlternateReserved
IRQ4Serial PrimaryReserved
IRQ5MPU-401(Alternate)Reserved
IRQ6Floppy DiskReserved
IRQ7Parallel PortReservedReserved
IRQ8Real Time ClockN
IRQ9NReserved
IRQ10NReserved
IRQ11NReserved
IRQ12PS/2 MouseReserved
IRQ13Math Coprocessor ExceptionN
IRQ14Primary IDEReserved
IRQ15Secondary IDEReserved
NOTE: N - Not be used
14Chapter 1
DRQ Assignment Map
DRQxSystem DevicesAdd-On-Card Devices
IRQ0NReserved
IRQ1NReserved
IRQ2FDDN
IRQ3NReserved
IRQ4CascadeN
IRQ5NReserved
IRQ6NReserved
IRQ7NReserved
NOTE: N - Not be used
Mainboard Major Chips
ItemController
System core logicSiS755
Video controllerN/A
Super I/O controllerITE8705
Audio controllerRealTek AC655
HDD controllerSiS964L
Keyboard controllerSiS964L
RTCSiS964L
IEEE1394VIA6307
Environment Requirements
ItemSpecification
Temperature
Operating+5 ~ +35°C
Non-operating-20 ~ +60°C (Storage package)
Humidity
Operating0% to 90% RH
Non-operating20% to 90% RH
Vibration
Operating (unpacked)5-500Hz, 1.0Grms (random)
Non-operating (packed)5-500Hz, 2.16Grms (random)
Switching Power Supply 200W
Input FrequencyFrequency Variation Range
50MHz47MHz to 53MHz
60MHz57MHz to 63MHz
Input VoltageVariation Range
100 - 120 VRMS90 - 132 VRMS
Chapter 115
Input VoltageVariation Range
200 - 240 VRMS180 - 264 VRMS
Input CurrentMeasuring Range
4A90 -132 VRMS
2A180 - 264 VRMS
NOTE: Measure at line input 90 VRMS and maximum load condition.
16Chapter 1
Power Management Function (ACPI support function)
Device Standby Mode
TIndependent power management timer for hard disk drive devices
(0-15 minutes, time step=1 minute).
THard disk drive goes into Standby mode (for ATA standard interface).
TDisable V-sync to control the VESA DPMS monitor.
TResume method: device activated (Keyboard for DOS, keyboard & mouse for Windows).
TResume recovery time: 3-5 sec.
Global Standby Mode
TGlobal power management timer (2-120 minutes, time step=10 minute).
THard disk drive goes into Standby mode (for ATA standard interface).
TDisable H-sync and V-sync signals to control the VESA DPMS monitor.
TResume method: Return to original state by pushing external switch button, modem ring in,
keyboard and mouse for APM mode.
TResume recovery time: 7-10 sec.
Suspend Mode
TIndependent power management timer (2-120 minutes, time step=10 minutes) or pushing external
switch button.
TCPU goes into SMM.
TCPU asserts STPCLK# and goes into the Stop Grant State.
TLED on the panel turns amber colour.
THard disk drive goes into SLEEP mode (for ATA standard interface).
TDisable H-sync and V-sync signals to control the VESA DPMS monitor.
TUltra I/O and VGA chip go into power saving mode.
TResume method: Return to original state by pushing external switch button, modem ring in,
keyboard and mouse for APM mode.
TReturn to original state by pushing external switch button, modem ring in and USB keyboard for
ACPI mode.
ACPI
TACPI specification 1.0.
TS0, S1, S3 and S5 sleep state support.
TOn board device power management support.
TOn board device configuration support.
Chapter 117
Chapter 2
System Utilities
Most systems are already configured by the manufacturer or the dealer. There is no need to run
Setup when starting the computer unless you get a Run Setup message.
The Setup program loads configuration 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.
Chapter 218
BIOS Navigation Keys
The BIOS navigation keys are listed below:
Key Function
^Exits the current menu
zxwyScrolls through the items on a menu
+-{}Modifies the selected field’s values
uSaves the current configuration and exits setup
lDisplays a screen that describes all key functions
pLoads previously saved values to CMOS
qLoads a minimum configuration for troubleshooting
rLoads an optimum set of values for peak performance
19Chapter 2
Entering Setup
Power on the computer and the system will start POST (Power On Self Test) process. When the message
of “Press DEL to enter SETUP” appears on the screen, press c to enter the setup menu.
NOTE: If the message disappears before you respond and you still wish to enter Setup, restart the system
by turning it OFF and On. You may also restart the system by simultaneously pressing
The screen below appears if you select Product Information from the main menu:
The Product Information menu contains general data about the system, such as the product name,
serial number, BIOS version, etc. These information is necessary for troubleshooting (may be required
when asking for technical support).
The following table describes the parameters found in this menu:
ParameterDescription
Product NameDisplays the model name on your system
System S/NDisplays the system’s S/N
Main Board S/NDisplays your main board’s serial number
System BIOS VersionSpecifies the version of your BIOS utility
SMBIOS VersionThe 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 DateDisplays the release date of the BIOS utility
MMM DD,YYYY
21Chapter 2
Standard CMOS Features
Select Standard CMOS Features from the main menu to configure some basic parameters in your system.
ParameterDescriptionOption
DateLet’s you set the date following the
weekday-month-day-year format
TimeLet’s you set the time following the
hour-minute-second format
IDE Channel 0 MasterLets you configure the hard disk
drive connected to the master port
of IDE channel 0.
To enter the IDE Channel 0 Master
setup, press e.
The IDE CD-ROM is always
automatically detected.
IDE Channel 0 SlaveLets you configure the hard disk
drive connected to the slave port
of IDE channel 0.
To enter the IDE Channel 0 Slave
setup, press e.
The IDE CD-ROM is always
automatically detected.
IDE Channel 1 MasterLets you configure the hard disk
drive connected to the master port
of IDE channel 1.
To enter the IDE Channel 1 Master
setup, press e.
The IDE CD-ROM is always
automatically detected.
Weekday: Sun, Mon, ....Sat
Month: Jan, Feb,....Dec
Day: 1 to 30
Year: 1980 to 2079
Hour: 0 to 23
Minute: 0 to 59
Second: 0 to 59
(Show the Status:)
None
HDD or CD-ROM Number
(Show the Status:)
None
HDD or CD-ROM Number
(Show the Status:)
None
HDD or CD-ROM Number
Chapter 222
ParameterDescriptionOption
IDE Channel 1 SlaveLets you configure the hard disk
drive connected to the slave port
of IDE channel 1.
To enter the IDE Channel 1 Slave
setup, press e.
The IDE CD-ROM is always
automatically detected.
Drive AAllows you to configure your
floppy drive A.
VideoThis item specifies the type of
video card in use. The default
setting is VGA/EGA. Since current
PCs use VGA only, this function is
almost useless and may be
disregarded in the future.
Halt OnThis parameter enables you to
control the system stops in case of
Power On Self Test errors
(POST).
Base MemoryRefers to the portion of memory
that is available to standard DOS
programs. DOS systems have an
address space of 1 MB, but the
top 384 KB (called high memory)
is reserved for system use. This
leaves 640 KB of conventional
memory. Everything above 1 MB
is either extended or expanded
memory.
Extended MemoryMemory above and beyond the
standard 1 MB (megabyte) of base
memory that DOS supports.
Extended memory is not
configured in any special manner
and is therefore unavailable to
most DOS programs. However,
MS Windows and OS/2 can use
extended memory.
Total MemoryTotal base, and extended memory,
and I/O ROM 384KB available to
the system.
(Show the Status:)
None
HDD or CD-ROM Number
None
360K, 5.25in
1.2M , 5.25 in.
720K , 3.5 in.
1.44M, 3.5 in.
2.88M, 3.5 in.
EGA/VGA
CGA 40
CGA 80
MONO
All Errors
No Errors
All ,But keyboard
All ,But Diskette
All ,but Disk/Key
N/A
N/A
N/A
23Chapter 2
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