Acer V35LAN system User's Guide

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User’s Guide

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Copyright  1996 by this company. All rights reserved. No part of this publication may be reproduced, transm itted, 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 this company.

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This company makes no representations or warranties, either
expressed or implied, with respect to the contents hereof and
specifically disclaims any warranties, m erchantability or f itness 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 the
software. Further, this company reserves the right to revise this
publication and to make changes from time to time in the contents
hereof without obligation to notify any person of such revision or
changes.

Intel is a registered trademark and Pentium is a trademark of Intel Corporati on.
IBM is a registered trademark and PS/2 is a trademark of International Business
Machines Corporation.
MS-DOS is a registered tradem ark of Microsoft Corporation.

Other brand and product names are trademark s and/or registered trademarks of their
respective holders.

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1. Read these instructions carefully. Save these instructions for
future reference.

2. Follow all warnings and instructions marked on the product.

3. Unplug this product from the wall outlet before cleaning. Do not
use liquid cleaners or aerosol cleaners. Use a damp cloth for
cleaning.

4. Do not use this product near water.

5. Do not place this product on an unstable cart, stand, or table.
The product may fall, causing serious damage to the product.

6. Slots and openings in the cabinet and the back or bottom are
provided for ventilation; to ensure reliable operation of the pr oduc t
and to protect it from overheating, these openings must not be
blocked or covered. The openings should never be block ed 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 not sure of the type of power
available, consult your dealer or local power company.

8. This product is equipped with a 3-wire grounding-type plug, a plug
having a third (grounding) pin. This plug will only fit into a
grounding-type power outlet. This is a safety feature. If you are
unable to insert the plug into the outlet, contact your electrician to
replace your obsolete outlet. Do not defeat the purpose of the
grounding-type plug.

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9. Do not allow anything to rest on the power cord. Do not locate
this product where persons will walk on the cord.

10. If an extension cord is used with this product, m ake sur e that the
total ampere rating of the equipment plugged into the ex tension
cord does not exceed the extension cord ampere rating. Also,
make sure that the total rating of all products plugged into the wall
outlet does not exceed 15 amperes.

11. Never push objects of any kind into this product through cabinet
slots as they may touch dangerous voltage points or short out
parts that could result in a fire or elec tric shock . Never s pill liquid
of any kind on the product.

12. Do not attempt to service this product yourself, as opening 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 water
d. If the product does not operate nor mally when the operating

instructions are followed. Adjust only those controls that are
covered by the operating instructions since improper
adjustment of other c ontrols may result in damage and will
often require extensive work by a qualified technician to
restore the product to normal condition.

e. If the product has been dropped or the cabinet has been

damaged

f. If the product exhibits a distinct change in performance,

indicating a need for service

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14. Replace battery with the same type as the product's battery we
recommend. Us e of another battery may present a risk of f ire or
explosion. Refer battery replacement to a qualified serviceman.

15. Warning! Battery may explode 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 feet (4.6 meters).

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Note:

This equipment has been tested and found to comply with the limits for
a Class B digital device, pursuant to Part 15 of FCC Rules. These
limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates,
uses, and can radiate radio frequency energy and, if not installed and
used in accordance with the instructions, may cause harmful
interference to radio com munications. However, there is no guarantee
that interference will not occur in a particular installation. If 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 different from
that to which the receiver is connected.

4. Consult the dealer or an experienced radio/television technician
for help.

Notice 1:

The changes or modifications not expressly approved by the party
responsible for com pliance could void the user's authority to operate
the equipment.

Notice 2:

Shielded interface cables, if any, must be used in order to com ply with
the emission limits.

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Purpose

This user’s guide gives you all the inform ation you need to operate the
system properly.

Manual Structure

This user’s guide consists of two chapters as follows:

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 other internal
devices.

Chapter 2 BIOS Utility

This chapter explains the system BIOS and tells how to
configure the system by setting the BIOS parameters.

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Conventions

The following conventions are used in this manual:

Text entered by user

Screen messages

, , , etc.

Represents text input by the user.
Denotes actual messages that

appear onscreen.

Represent the actual keys that you
have to 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

Suggests precautionary measures
to avoid potential hardware or
software problems.

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IMPORTANT

Reminds you to take specific action
relevant to the accomplishment of
the procedure at hand.

TIP

Tells how to accomplish a
procedure with minimum steps
through little shortcuts.

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Chapter 1 System Board

1.1 System Board Layout .................................................1-2

1.2 ESD Precautions ........................................................1-4

1.3 Pre-installation Instructions.........................................1-4

1.4 Installing a CPU..........................................................1-5

1.4.1 Installation Procedures................................1-5

1.4.2 Installing an OverDrive CPU.....................1-6

1.5 Jumpers and Connectors ...........................................1-7

1.6 Installing Memory......................................................1-11

1.6.1 Installing a SIMM.......................................1-13

1.6.2 Removing a SIMM.....................................1-14

1.6.3 Reconfiguring the System .........................1-14

1.7 Second-level Cache..................................................1-15

1.8 Video Function..........................................................1-15

1.8.1 Upgrading the VGA Memory .....................1-15

1.8.2 Supported Video Resolutions....................1-16

1.9 Audio Function..........................................................1-17

1.10 Installing Non-PnP ISA and PnP/PCI Cards.............1-18

1.11 Post-installation Instructions.....................................1-19

1.12 Error Messages ........................................................1-19

1.12.1 Software Error Messages..........................1-19

1.12.2 System Error Messages ............................1-20

1.12.3 Correcting Error Conditions.......................1-22

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Chapter 2 BIOS Utility

2.1 Entering Setup ........................................................... 2-2

2.2 Basic System Configuration....................................... 2-3

2.2.1 Date and Time ............................................ 2-4

2.2.2 Diskette Drives............................................ 2-5

2.2.3 IDE Drives................................................... 2-6

2.2.4 Total Memory.............................................. 2-8

2.2.5 Enhanced IDE Features ............................. 2-8

2.2.6 Large Memory Support Mode..................... 2-9

2.2.7 Num Lock After Boot................................... 2-9

2.2.8 Memory Test............................................... 2-9

2.2.9 Quiet Boot................................................. 2-10

2.2.10 Configuration Table .................................. 2-10

2.3 Advanced System Configuration.............................. 2-11

2.3.1 Internal Cache (CPU Cache).................... 2-12

2.3.2 External Cache......................................... 2-12

2.3.3 E0000h - FFFFFh (System BIOS)............ 2-12

2.3.4 C0000h - C7FFFh (Video BIOS)............... 2-12

2.3.5 Memory at 15MB-16MB Reserved For..... 2-13

2.3.6 DRAM Lead-off Timing

(Read/Write/RAS#Pre) ............................. 2-13

2.3.7 RAS to CAS Delay.................................... 2-13

2.3.8 DRAM Write Burst Timing ........................ 2-14

2.3.9 DRAM Read Burst Timing (EDO/FPM)..... 2-14

2.3.10 ECC/Parity Mode Selection ...................... 2-14

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2.4 PnP/PCI System Configuration.................................2-15

2.4.1 PCI IRQ Setting.........................................2-15

2.4.2 PCI IRQ Sharing........................................2-16

2.4.3 VGA Palette Snoop ...................................2-17

2.4.4 Plug & Play OS..........................................2-17

2.4.5 Reset Resources Assignment...................2-17

2.5 Power Saving Configuration.....................................2-18

2.5.1 Power Management Mode ........................2-18

2.5.2 Monitored Activities ...................................2-19

2.6 System Security Setup .............................................2-20

2.6.1 Disk Drive Control......................................2-20

2.6.2 Onboard Communication Ports.................2-22

2.6.3 Onboard PS/2 Mouse (IRQ 12).................2-25

2.6.4 Setup Password ........................................2-25

2.6.5 Power On Password..................................2-27

2.7 Load Setup Default Settings.....................................2-28

2.8 Leaving Setup...........................................................2-29

List of Figures

1-1 System Board Layout..................................................1-3

1-2 Installing a CPU ..........................................................1-5

1-3 Installing an OverDrive CPU.......................................1-6

1-4 Jumper and Connector Locations...............................1-7

1-5 Installing a SIMM ......................................................1-13

1-6 Removing a SIMM ....................................................1-14

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List of Tables

1-1 Clearances for OverDrive CPU and Heatsink............ 1-6

1-2 System Board Jumper Settings.................................. 1-8

1-3 CPU Core Voltage Select........................................... 1-9

1-4 Bus Frequency Select................................................ 1-9

1-5 CPU Frequency Select............................................... 1-9

1-6 SB/Password Function Select.................................... 1-9

1-7 Onboard Connectors................................................ 1-10

1-8 Memory Configurations............................................ 1-11

1-9 Second-level Cache Configurations......................... 1-15

1-10 Video Resolutions .................................................... 1-16

1-11 System Error Messages........................................... 1-20

2-1 Drive Control Settings .............................................. 2-21

2-2 Serial Port 1 Settings................................................ 2-22

2-3 Serial Port 2 Settings................................................ 2-23

2-4 Parallel Port Settings................................................ 2-23

2-5 Parallel Port Operation Mode Settings..................... 2-24

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