without prior notice in order to improve reliability, design and
function and does not represent a commitment on the part of
the manufacturer.
In no event will the manufacturer be liable for direct, indirect,
special, incidental, or consequential damages arising out of
the use or inability to use the product or documentation,
even if advised of the possibility of such damages.
This document contains proprietary information protected by
copyright. All rights are reserved. No part of this manual may
be reproduced by any mechanical, electronic, or other means
in any form without prior written permission of the
manufacturer.
Trademarks
WAFER-E669E2V is a regi stered trademark of I CP Electronics
Inc. IBM PC is a registered trademark of International
Business Machines Corporation. Intel is a registered
trademark of Intel Corporation. Other product names
mentioned herein are used for identification purposes only
and may be trademarks and/or registered trademarks of their
respective companies.
AIN MENU..........................................................................33
APPENDIX A. WATCHDOG TIMER..............................................57
APPENDIX B. DIGITAL I/O............................................................61
APPENDIX C. I/O ADDRESS MAP ...............................................63
4
Chapter 1 Introduction
WAFER-E669E2V is designed for network
applications. It supports the full functions of an
AT/ATX-compatible industrial computer on a single
board. The WAFER-E669E2V is equipped with a
low-power consumption and high perfo rmance VIA
Eden processor on board. It also contains an
SDRAM SODIMM socket that support up to 512MB
memory.
The WAFER-E669E2V provides two Ethernet
interfaces, one FDD interface, one EIDE interface,
one audio interface, one Compact Flash Type II,
one parallel port, one RS-232 serial port, one
RS-232 / RS-422 / RS-485 header, one 2x25-pin
LCD header, one PC-104, two USB 2.0 ports, one
5-pin IR header, and one 6-pin header of PS/2
keyboard/mouse interface. The built-in SVGA/LCD
display controller supports both the CRT and LCD
display simultaneously. It offers the resolutions of
LCD screen up to 1024 x 768 @ 60HZ, and CRT
resolutions up to 1600 x 1280 @ 64K colors. The
Flash ROM contains both the sys tem BIOS and the
VGA BIOS. Reprogramming the Flash ROM could do
the modification, in case of necessary.
5
1.1 Specifications
z VIA Eden ESP 32-Bit x86 Processor:
Supports Intel MMX instruction set extension
for the acceleration of m ultimedia appl ications
and AMD 3DNOW! Instructions for turbo
charging games, photo processing and media
applications.
¾ Two 64 KB 4-way L1 caches
¾ 64-KB Level 2 victim cache
¾ Bus speeds up to 133MHz
¾ Extremely low power dissipation for
fanless operation
zSystem Memory: One 144-pin SODIMM
socket support up to 512 MB SDRAM
z BIOS: AMI 256 KB Flash m emory
z Display Controller: VIA 8601T
¾ Support 24-bit TFT LCD panel
resolution up to 1024x 768 @ 60Hz
¾ Support non-interlaced CRT monitors
resolutions up to 1600x1280 @ 16bit
colors
zIDE Interface: Supports two ATA100 IDE hard
drives
6
zCompact Flash Disk: Runs in true IDE mode
that is compatible with an IDE disk drive. It
can be used with a passive adapter in a Type II
socket.
zFDD Interface: Supports up to two floppy disk
drives, 5.25”(360KB and 1.2MB)and/or 3.5”
(720KB, 1.44MB , and 2.88MB)
zSerial Ports: Two RS-232 ports which COM2
can support RS -422/485
zParallel Port : One parallel port supports
SPP/EPP/ECP mode
zAudio Connector: One 2x8-pin header
supports Line-in, Line-out, Speaker-out, Mic-in.
zDigital IO: Supports four digital-in, and four
digital-out
zIrDA: Supports Serial Infrared (SIR) or
Amplitude Shift Keyed IR (ASKIR) interface
zPS/2 Mouse/Keyboard Connector: A 6-pin
header connector supports PS/2 keyboard and
PS/2 mouse.
zUSB Interface: Two USB ports, USB 2.0
compliant
7
zWatchdog Timer: Can be set by 1-255
seconds period. Reset or NMI will be ge nerated
when CPU does not periodically trigger the
timer
z10/100Mbps Ethernet Controller: Two
Realtek RTL8100B or Intel 82551 IEEE802.3
10/100M BASE-T standard Dual auto-sensing
interface to 10MBps or 100MBps networks. On
board RJ-45 connectors are provided for easy
connection.
z PC-104 Interface : Supports ISA functions
z E2Key: A non-volatile 1Kbit EEPROM is
provided to retain application critical read/write
data
zPower Supply: +5V(4.75V to 5.25V ) @3A
(typical)+12V @ 40mA
z Operating Temperature: -20-60℃(-4-140℉)
z Dimension: 5.9” ( L ) x 4.2” ( W )
(145mmx102mm)
8
1.2 Package Contents
Before any installation, please check if the
following materials are included in the package:
• One WAFER-E669E2V all-in-one single board
computer
• One compact disk for utility and drivers
• One 2.5" IDE flat cable (44-pin 2.0mm pitch to
40-pin 2.54mm pitch)
• One floppy cable (for 3.5" FDD only)
• One serial port cable ( RS-422/485/232)
• One standard D-25 conn ector for parallel cable
• One 6-pin header connector for keyboard and
mouse
• One audio cable
If any of these items are missing or damaged,
contact your distributor or sales representative
immediately.
9
Chapter 2 Installation
This chapter gives instructions about how to set
up the WAFER-E669E2V hardware, including
directions of setting jumpers and connecting
peripherals, switches and indicators. Before
installation, please pay attention to the unpacking
precautions on the following page for safety.
2.1 WAFER-E669E2V Block Diagram &
Board Layout
VIA Eden
RS422/485
CRT
LCD
PRINTER
RS-232
KB/MS
VT8601T
VT686B
BIOS
PC-104
IR
BLOCK DIAGRAM
10
PCI BUS
IDE
CF-II
FDDRS-232
SO-DIM
AUDIO
CODEC
LAN1
LAN2
USB 2.0
BOARD LAYOUT
BOARD DIMENSION – SIDE VIEW
11
BOARD DIMENSION
2.2 Unpacking Precautions
Some components of WAFER-E669E2V SBC are
very sensitive to st atic electric charges and can
be damaged by a sudden rush of power. To
protect it from unintended damage, be sure to
note these precautions:
Ground yourself to remove any static charge
before touching the WAFER-E669E2V SBC. You
can do it by using a grounded wrist strap at all
12
times or by frequently touc hing any conducting
materials that is connected to the ground.
Handle WAFER-E669E2V SBC by its edges.
Don’t touch IC chips, leads or circuitry if not
necessary.
Do not plug any co nnector or jumper while the
power is on.
2.3 System Memory DRAM
There is one 144-pin SO-DIMM socket to accept
3.3V non-buffered SDRAM. The max Memory
size is 512MB.
2.4 Watch-Dog Timer Setting
Reading port 443H enables the Wa tchdog Timer. It
should be triggered before the time-out period
ends, otherwise it will assume the program
operation is abnormal and wi ll issue a reset signal
to start again. Reading port 043/843H disables the
Watchdog Timer. Please refer to Appendix A for
detailed information.
13
2.5 Clear CMOS Setup
If the user needs to clear the CMOS setup (for
example, the user forgot the password, then the
setup should be cleared and the password should
be re-set). The user should close the JP1 about 3
seconds, and then open it again. Opening JP1 can
set the system back to normal operation mode.
JP1: Clear CMOS Setup (Reserve Function)
JP1 DESCRIPTION
1-2 Normal Operation
2-3 Clear CMOS Setup
2.6 LCD VCC Voltage Selector
The LCD interface connector JP2 can provide 5V or
3.3V power supply by selecting the JP2 to meet the
different LCD requirement.
Pin 1-3 System power LED connector
Pin 5-7 ATX power on button
Pin 9-11 IDE active LED connector
Pin 2-8 External speaker connector
Pin 10-12 System reset connector
DESCRIPTI
ON
PIN
NO.
DESCRIPTION
15
Chapter 3 Connection
This chapter describes how to connect peripherals,
switches and indicators to the WAFER-E669E2V
board.
3.1 Floppy Disk Drive Connector (FDD1)
WAFER-E669E2V board is equipped with a 34-pin
daisy-chain driver connecting cable.
For IDE HDD connection, the WAFER-E669E2V was
designed with one 2.0mm connector (IDE1), which
could be converted to two 2.54mm standard IDE
connectors via proprietary cable. Using this cable
the user can attach two IDE hard di sk drives to the
WAFER-E669E2V.
IDE1:44-pin Primary Mini-pitched IDE Interface
Connector
• IDE1: Primary IDE Interface Connector
PIN
NO.
11 DA TA 3 12 DATA 12
13 DA TA 2 14 DATA 13
15 DA TA 1 16 DATA 14
17 DA TA 0 18 DATA 15
19 GROUND 20 N/C
21 IDE DRQ 22 GROUND
23 IOW# 24 GROUND
25 IOR# 26 GROUND
27 IDE CHRDY 28 GROUND
29 IDE DACK 30 GROUND–DEFAULT
31 INTERRUPT 32 N/C
33 SA1 34 N/C
35 SA0 36 SA2
37 HDC CS0# 38 HDC CS1#
39 HDD ACTIVE# 40 GROUND
DESCRIPTION
1 RESET# 2 GROUND
3 DATA 7 4 DATA 8
5 DATA 6 6 DATA 9
7 DATA 5 8 DATA 10
9 DATA 4 10 DATA 11
PIN
NO.
DESCRIPTION
17
41 VCC 42 VCC
43 GROUND 44 N/C
3.3 Compact Flash Connector(CN12)
You can attach one Compact Flash Disk to CN12
that occupies the secondary IDE channel. The
CN12 supports both the TYPE II and TYPE I
module.
CN12: Compact Flash Connector (Secondary IDE)
•
PIN
NO.
1 GROUND 26 VCC-IN CHECK1
2 DATA 3 27 DATA 11
3 DATA 4 28 DATA 12
4 DATA 5 29 DATA 13
5 DATA 6 30 DATA 14
6 DATA 7 31 DATA 15
7 HDC_CS0# 32 HDC_CS1
8 N/C 33 N/C
18 SA2 43 N/C
19 SA1 44 VCC_COM
20 SA0 45 HDD_ACTIVE#
21 DATA 0 46 N/C
22 DATA 1 47 DATA 8
23 DATA 2 48 DAYA 9
24 N/C 49 DATA 10
25 VCC-IN CHECK2 50 GROUND
3.4 Parallel Port (CN10)
This port is usually connected to a printer, The
WAFER-E669E2V includes an on-board parallel port
(CN10), accessed through a 26-pin flat-cable
connector.
• CN10: Parallel Port Connector
PIN
NO.
1 STROBE# 2 DATA 0
3 DATA 1 4 DATA 2
5 DATA 3 6 DATA 4
7 DATA 5 8 DATA 6
9 DATA 7 10 ACKNOWLEDGE
11 BUSY 12 PAPER EMPTY
13 PRINTER SELE CT 14 AUTO FORM FEE D #
15 ERROR# 16 INITIALIZE
17 PRINTER SELECT LN # 18 GROUND
19 GROUND 20 GROUND
21 GROUND 22 GROUND
23 GROUND 24 N/C
25 GROUND 26
DESCRIPTION
PIN
NO.
DESCRIPTION
19
3.5 Serial Posts (Com1,CN4)
The WAFER-E669E2V offers two high speed
NS-16C-550 compatible UARTS with Read/Receive
16 byte FIFO serial ports, and supports
RS-422/485 mode from CN4 Pin11~14 by setting
J4 connector. These ports let you connect to serial
devices or a communication network. The J3
header also provides a 1A-fuesd +5V or +12V
power out from CN4 pin 8. One 9-pin D-SUB
connector and one 14-pin header are also provided.
The detailed pin assignment of the connectors is
specified as following tables:
1 VCC 2 RI (To I/O Buffer)
3 Connect to J3 Pin6 4 RI (To Com1)
5 +12V 6 Connect to J3 Pin9
Applications: For normal operation, connect
Pin2-4
For VCC supply from CN4 Pin8,
connect Pin1-3 and Pin4-6
For +12V supply from CN4 Pin8,
connect Pin3-5 and Pin4-6
• J4: RS-232/RS-422/485 Selector (3-pin 2.0mm
Header)
Pin 1-2 RS-232
Pin 2-3 RS-422/RS-485
3.6 Keyboard & PS/2 Mouse Connector
(CN11)
A 6-pin header connector (CN11) is located on the
mounting bracket for easy connection to a keyboard and
PS/2 mouse. The card comes with a Y split PS/2 cable for
keyboard and mouse connection.
21
• CN11: 2.0mm header Keyboard & Mouse
Connector
PIN NO. DESCRIPTION
1 +5V
2 MOUSE DATA
3 MOUSE CLOCK
4 KEYBOARD DATA
5 KEYBOARD CLOCK
6 GROUND
3.7 USB Port Connector (USB1)
The WAFER-E669E2V provides two USB 2.0
interfaces, which give the comple ted pl ug and play,
for up to 127 external devices.
The WAFER-E669E2V has a built-in IrDA port which
supports Serial Infrared (SIR) or Amplitude Shift
Keyed IR (ASKIR) interface. To use the IrDA port,
the system has to be set to SIR o r ASKIR model in
the BIOS’s Peripheral.
22
• CN5: 1X5 2.0mm IrDA connector
PIN NO. DESCRIPTION
1 VCC
2 NC
3 IRRX
4 GROUND
5 IR-TX
3.9 VGA Connector (VGA1)
The WAFER-E669E2V has a built-in 15-pin VGA
connector accepting the CRT monitor.
• VGA1: 15-pin D-Sub Connector
PIN
NO.
1 RED 9 NC
2 GREEN 10 GROUND
3 BLUE 11 NC
4 NC 12 DDCDAT
5 GROUND 13 HSYNC
6 GROUND 14 VSYNC
7 GROUND 15 DDCCLK
8 GROUND
DESCRIPTI
ON
PIN
NO.
DESCRIPTIO
N
3.10 LAN RJ45 Connector (P1,P2)
The WAFER-E669E2V has two built-in RJ-45 LAN
connectors for 10/100Mbps Ethernet connection.
• P1,P2: LAN RJ-45 Connector
23
PIN
NO.
1 TX+ 6 N/C
2 TX- 7 RX3 RX+ 8 N/C
4 N/C 9 N/C
DESCRIPTI
ON
PIN
NO.
DESCRIPTIO
N
J1 : Lan1 link indicator (2-pin 2.54mm Header)
PIN NO. DESCRIPTION
1 3VSB
2 Active
J2 : Lan2 link indicator (2-pin 2.54mm Header)
PIN NO. DESCRIPTION
1 3VSB
2 Active
3.11 LCD Interface Connector (CN8)
The WAFER-E669E2V provides a 2x25-pin
connector for the LCD flat panel interface.
The TTL signal connecting interfaces locate on
CN8.The display options need to be setup manually
from BIOS. The BIOS “Integrated Peripheral”
Setup will allow you to choose display resolution
either 640x480 or 800x600 or 1024x768.
• CN8: LCD Interface Connector – support up to
24 bit LCD. For better display quality, the
length of LCD cable should be shorter than
The WAFER-E669E2V has an on-board external
power connector CN7. You can connect power
directly to the CPU board.
• CN7: External Power Connector
25
PIN NO. DESCRIPTION
1 +5V
2 GROUND
3 GROUND
4 +12V
3.13 ATX Power connector (CN6)
CN6: ATX Power connector
•
PIN NO. DESCRIPTION
1 5VSB
2 PSON
3 GND
3.14 PC/104 Connection Bus (J5, J6)
The WAFER-E669E2V PC/104 expansion bus let you
attach any kind of PC/104 modules. The PC/104
bus has already become the industrial embedded
PC bus standard, so you can easily install over
thousands of PC/104 modules from hundreds of
vendors in the world. There are two PC/104
connectors on this board: PC/104-64 and
PC/104-40.
1 Speaker out R 2 GND
3 Speaker out L 4 GND
5 Line out L 6 Line out R
7 GND 8 GND
9 Line in L 10 Line in R
11 GND 12 GND
13 GND 14 GND
15 MIC in 16 GND
29
Chapter 4 AMI BIOS Setup
4.1 Introduction
This chapter discusses AMI's setup program built into the
ROM BIOS. The setup program allows users to modify the
basic system configuration. This special information is then
stored in battery-backed RAM so that it retains the setup
information w hen the power is turned off.
4.2 Starting Setup
The AMI BIOS is immediately activated when you first boot
up the computer. The BIOS reads the system information
contained in the CMOS and begins the process of checking
out the system a nd then configures it. Wh en it finishes, the
BIOS will seek an ope rating system on one of the di sks and
then launch and pass the control over to the operating
system.
While the BIOS is in charge, the Setup program can be
activated in one of the following ways:
1. By pressing <Del> immediately after switching the
system on, or
2. by pressing the <Del>key when the following message
appears briefly at the bottom of the screen during the
POST.
Press DEL to enter SETUP.
If the message disappears before you respond and you still
wish to enter Setup, press the “RESET” button on the chassis
or turn the power off then turn it back on to restart the
system then you can try again. You may also restart by
30
simultaneously pressing <Ctrl>, <Alt>, and <Delete> keys.
If you do not press the keys at the correct moment and the
system does not boot, an error message will be displayed and
you will again be asked to...
PRESS F1 TO ENTER SETUP OR PRESS F2 TO CONTINUE
4.3 Using Setup
In general, use the arrow keys to highlight options, press
<Enter> to select, use the PageUp and PageDown keys to
change entries, press <F1> for help and press <Esc> to quit.
The following table provides more detail about how to
navigate in the Setup program.
Up arrow Move to previous option
Down arrow Move to next option
Left arrow Move to the option in the left column
Right arrow Move to the option in the right column
Esc key Main Menu -- Quit and not save changes into
CMOS
Status Page Setup Menu and Option Page
Setup Menu -- Exit current page and return to
Main Menu
PgUp key Increase the numeric value or make changes
PgDn key Decrease the numeric value or make changes
+ key Increase the numeric value or make changes
- key Decrease the numeric value or make changes
F1 key General help, only for Status Page Setup Menu
and Option Page Setup Menu
F2 /F3 key Change color from total 16 colors. F2 to
select color forward, (Shift) F2 to select color
backward
F4 key Reserved
31
F5 key Reserved
F6 key Reserved
F7 key Reserved
F8 key Reserved
F9 key Reserved
F10 key Save all the CMOS changes, only for Main
Menu
4.4 Getting Help
Press F1 to pop up a small help window that describes the
appropriate keys to use and the possible selections for the
highlighted item. To exit the Help Window press <Esc> or
the F1 key again.
If, after making and saving system chan ges with Setup, you
discover that your computer is no longer able to boot, the
AMI BIOS supports an override to the CMOS settings which
can reset your system to its defaults.
The best advice is to alter only the settings which you
thoroughly understand. To this end, we strongly recommend
not to make any changes to the chipset defaults. These
defaults have been carefully chosen by both AMI and the
system manufacturer to provide the optimum performance
and reliability. Even a seemingly little change to the chipset
setup may shut the system down and need the override
program to reset it.
32
4.5 Main Menu
Once you enter the AMIBIOS™ CMOS Setup Utility, the Main
Menu will appear on the screen. The Main Menu allows you
to select from several setup functions and two exit choices.
Use the arrow keys to select among the option and press
<Enter> to accept and enter the sub-menu.
Note that a brief description of each highlighted selection
appears at the bottom of the screen.
The main menu includes the following main setup categories.
Recall that some systems may not include all entries.
Standard CMOS Setup
Use this menu for basic system configuration.
Advanced CMOS Setup
Use this menu to set the Advanced Features available on your
system.
33
Advanced Chipset Setup
Use this menu to change the values in the chipset registers
and optimize the system's performance.
Power Management Setup
When Disabled, SMI will not be initialized, and complete
power management functionality is removed unless this
option is set to Enabled.
PCI / Plug and Play Setup
This entry appears if your system supports PnP / PCI.
Peripheral Setup
Use this menu to specify your settings for integrated
peripherals.
Hardware Monitor Setup
Use this menu to monitor your har dware.
Auto-detect Hard Disks
Use this menu to specify your settings for hard disks control.
34
Change Supervisor Password
Use this menu to set User and Supervisor Passwords.
Auto Configuration wi th Optimal Settings
Use this menu to load the BIOS factory settings for optimal
system performance. While AMI has been designed the
custom BIOS to optimize performance, the factory has the
right to change these defaults to meet its needs.
Auto Configuration with Fail-Safe Settings
Use this menu to load the BIOS default values for the safe
and stable system performance.
Save Settings and Exit
Save CMOS value changes to CMOS and exit setup.
Exit Without Saving
Abandon all CMOS value changes and exit setup.
Standard CMOS Setup
The options in Standard CMOS Setup Menu are divided into
10 categories. Each category includes none, one or more
than one setup options. Use the arrow keys to highlight the
option and then use the <PgUp> or <PgDn> keys to select
the value you want for each option.
35
Main Menu Selections
Item Options Description
Date MM DD YYYY Set the system date.
Time HH : MM : SS Set the system time
IDE
Primary
IDE
Primary Slave
IDE
Secondary
IDE
Secondary
Drive A None Select the type of
Options are in its sub
menu
(described in Table 3)
Options are in its sub
menu
(described in Table 3)
Options are in its sub
menu
(described in Table 3)
Options are in its sub
menu
(described in Table 3)
36
Press <Enter> to
enter the sub menu
for more options
Press <Enter> to
enter the sub menu
for more options
Press <Enter> to
enter the sub menu
for more options
Press <Enter> to
enter the sub menu
for more options
Drive B 360K, 5.25 in
1.2M, 5.25 in
720K, 3.5 in
1.44M, 3.5 in
2.88M, 3.5 in
Halt On All Errors
No Errors
All, but Keyboard
All, but Diskette
All, but Disk/Key
Base Memory N/A Displays the amount
Extended
Memory
N/A Displays the amount
floppy disk drive
installed in the system
Select the status in
which you want the
BIOS to stop the POST
processes and notify
you
of conventional
memory detected
during boot up
of extended memory
detected during boot
up
37
Advanced CMOS Setup
This section allows you to configure your system for
basic operation. You have the opportunity to select
the system’s default speed, boot-up sequence,
keyboard operatio n, sha d ow ing and security.
Quick Boot
When this option is set to enable, DRAM testing function will
be disable.
1st /2nd /3rd Boot Device
This option sets the type of device for the first boot drives
that the AMIBIOS attempts to boot from after AMIBIOS
POST completes. The settings are Disabled, IDE-0, IDE-1,
IDE-2, IDE-3, Floppy, ARMD-FDD, ARMD-HDD, CDROM,
38
SCSI.
Try Other Boot Devices
The options are Yes or No. Set this setting to Yes to instruct
AMIBIOS to attempt to boot from any other drive in the
system if it cannot find a boot drive among the drives
specified in the 1st Boot Device, 2nd Boot Device, 3rd Boot
Device, 4th Boot Device options.
Boot From LAN
When setting Enable, bios will load LAN’s Boot Rom and try to
boot the system from LAN.
S.M.A.R.T. for Hard Disks
S.M.A.R.T. stands for Self-Monitoring, Analysis and Reporting
Technology. This setting can help BIOS to warn the user of
the possible device failure and let the user back up the device
before actual failure happens. The options are Disabled,
Enabled.
Boot Up Num-Lock
If the user wants the Num-Lock function to be turned on
during the boot-up period so that the user can use the key
pad on the keyboard right after the system starts, please
select ON to do so. Ot herwise , select OFF.
39
Floppy Drive Swap
This setting decides whether drives A: and B: can be
swapped or not. The options are Enabled or Disabled.
Floppy Drive Seek
This setting is whether to enable floppy drives A: to perform
a Seek operation at system boot process. The options are
Enabled or Disabled.
PS/2 Mouse Support
When this setting is enabled, BIOS support a PS/2- type
mouse.
System Keyboard
This won’t be specified if a keyboard is attached to the
computer. Otherwise, when there’s no keyboard detected and
an error message is displayed, this setting can be marked as
needed. This setting permits you to configure workstation
with no keyboard. The options are Absent, Present.
Primary Display
This setting is to configure the type of monitor attached to
the computer. The settings are Monochrome, Color
40x25,Color 80x25,VGA/PGA/EGA ,or Not Install.
40
Password Check
This option enables the password check option every time the
system boots or th e end user runs Setup. If always i s ch osen
a user password prompt appears every time the computer is
tuned on. If setup is chosen, the password prompt appears if
BIOS is executed.
Boot To OS/2
Set this option to YES if running OS/2 operating system and
using more than 64MB of system memory on the
motherboard. The options are YES or NO.
Wait For 'F1' If Error
If this setting is enabled, AMIBIOS waits for the end user to
press <F1> before continuing. If this option is disabled,
AMIBIOS continues the boot process without waiting for
<F1> to be pressed. The options are Disabled or Enabled.
Hit 'DEL' Message Display
Disabling this setting prevents "Hit <DEL> if you want to run
Setup" from appearing when the system boots. The options
are Disabled or Enabled.
CPU MicroCode Update
When setting Enable, Bi os will load CPU Microcode.
41
L1 Cache
The setting enabled or disabled the L1 cache memory in the
processor.
L2 Cache
The setting enables L2 cache memory. If Enabled is selected,
L2 cache memory is enabled. If disabled is select, L2 cache
memory is disabled.
System BIOS Cacheable
When this setting is set to enabled, the System ROM area
from F0000-FFFFF is copied (shadowed) to RAM for faster
execution.
C000, 32k Shadow
This setting is about the contents inside the Video ROM are a
form C000-C7FFF, which influences the speed of execution.
Disabled: The contents of the video ROM are not copied
to RAM.
Cached: The contents of the video ROM area from C0000h C7FFFh are copied from ROM to RAM and can be written to
or read from cache memory.
Enabled: The contents of the video ROM area from C0000h C7FFFh are copied (shadowed) from ROM to RAM for faster
execution.
42
C800, 16k Shadow
These settings enable shadowing of the contents of the ROM
area named in the option title. The options are Enable Disable,
Cached. The ROM area that is not used by ISA adapter cards
will be allocated to PCI adapter cards.000, 32k Shadow.
CC00, 16k Shadow
These settings enable shadowing of the contents of the ROM
area named in the setting title. The settings are Enable
Disable, Cached. The ROM area that is not used by ISA
adapter cards will be allocated to PCI adapter cards.800, 16k
Shadow.
D000, 16k Shadow
These settings enable shadowing of the contents of the ROM
area named in the setting title. The options are Enable,
Disable, and Cached. The ROM area that is not used by ISA
adapter cards will be allocated to PCI adapter cards.C00, 16k
Shadow.
D400, 16k Shadow
These settings enable shadowing of the contents of the ROM
area named in the setting title. The options are Enable,
Disable, and Cached. The ROM area that is not used by ISA
adapter cards will be allocated to PCI adapter cards.000, 16k
43
Shadow.
D800,16k Shadow
These settings enable shadowing of the contents of the ROM
area named in the setting title. The options are Enable,
Disable, and Cached. The ROM area that is not used by ISA
adapter cards will be allocated to PCI adapter cards.400, 16k
Shadow.
DC00, 16k Shadow
These settings enable shadowing of the contents of the ROM
area named in the setting title. The options are Enable,
Disable, and Cached. ISA adapter cards will be allocated to
PCI adapter cards.800, 16k Shadow.
44
Advanced Chipset Setup
This section all ows you to confi gure the sy stem based on the
specific features of the installed chipset. This chipset
manages bus speeds and access to system memory
resources, such as DRAM and the external cache. It also
coordinates communications between the conventional ISA
bus and the PCI bus. It must be stated that these items
should never need to be altered. The default settings have
been chosen because they provide the best operating
conditions for your system.
Configure SDRAM Timing by SPD
When setting Enable, bios will use the data from DIMM’s SPD
to setup the DRAM timing. Disable the setting, bios will use
default setting.
45
DRAM Frequency
This setting is setting Memory working frequency,
66/100/133 MHz.
SDRAM CAS# Latency
This setting is setting Memory CAS latency
AGP Aperture Size
This is about the size of AGP aperture. The aperture is a
portion of the PCI Memory addresses space. Host cycles that
hit the aperture range are forwarded to the AGP without any
translation
USB Controller
Select enable if your system contains a USB controller and
you have USB Peripherals. Otherwise, select disable.
USB Device Legacy Support
Enable or Disable the USB device legacy support.
Port 64/60 Emulation
Enable or Disable the USB KB/MS legacy support.
46
Power Management Setup
ACPI Aware O/S
This feature is the switch of ACPI function. Configuration
options : [No] [Yes]
ACPI Standby State
This feature is the switch of STR (S3) or POS (S1) function.
Configuration options: [S3/STR] [S1/POS]
Re-Call VGA BIOS at S3 Resuming
Enable or Disable system load the VGA bios after S3 state.
47
Power Management/APM
When Disabled, SMI will not be initialized, and the complete
power management functionality is removed unless this
option is set to Enabled.
Video Power Down Mode
Hard Disk Power Down Mode
Standby Time Out (Minute)
Suspend Time Out (Minute)
If no activity occurs during this time period, the BIOS will
place the system into the suspended low power state.
The factory defaults assigned IRQ3, 4, 7, and 14 to the
Monitor. When other external devices using the same IRQ
numbers as of the Monitor start, the Monitor will be waked up
from the power saving state by these devices.
The user can assign the other IRQ numbers available here to
the Monitor. Just highlight the IRQ number and set the value
to Monitor.
48
Resume on Ring/LAN
Allows the user to decide to resume the system from Soft Off
state by either LAN or Modem Ring.
Resume On RTC Alarm
When this setting is enabled, the system will
wakeup from soft off mode according to the time
you set.
Power Type Select
This setting allows the user to choose the power type for AT
or ATX.
49
PCI / Plug and Play Setup
Plug and Play Aware O/S
If enabled, BIOS will configure only PnP ISA boot devices(i.e.
all PnP ISA cards which has bo ot flag s et). And Pn P aware OS
will configure all other devices. If disabled, BIOS will
configure all devices.
Clear NVRAM
When set to Yes, system can clear NVRA M automati cally. The
options are No, Yes.
50
Onboard USB2.0 controller
Select to enable or disable the controller.
Onboard Lan1 controller
Select to enable or disable the controller.
Onboard Lan2 controller
Select to enable or disable the controller.
On Chip VGA Frame Buffer Size
This is for selecting frame buffer size (2~32MB) for VGA.
PCI Latency Timer (PCI Clocks)
This setting specifies the latency timings (in PCI clocks) for
PCI devices i nstalled in the PCI expansion slots. The options
are 32, 64, 96, 128, 160, 192, 224, or 248.
Primary Graphics Adapter
Boot Screen Select
This setting is to specify Boot Screen. .Select Both will Boot
from CRT and LCD Both.
LCD Panel Type
This setting is to choose LCD Panel Type
51
Allocate IRQ to PCI VGA
Choose Yes to allocate an IRQ to the VGA device on the PCI
bus. The other option is No.
PCI Slot1 / Slot2 / Slot3 / Slot4 IRQ Priority
The setting specifies the IRQ priority for PCI device installed
in the PCI expansion slot. The options are Auto, (IRQ) 3, 4, 5,
7, 9, 10, and 11, in priority order.
Peripheral Setup
The Peripheral Setup allows the user to configure the system
to the most effectively power saving mode while operating in
a consistent manner with your own style of computer use.
52
Onboard FDC
Onboard Serial Port 1/Port 2
This setting specifies the base I/O port address of serial port
1.The option are Auto (AMIBIOS automatically determines
the correct base I/O port address) , Disabled, 3F8h, 2F8h,
2E8h, or 3E8h.
Onboard Parallel Port
This setting specifies the base I/O port address of parallel
port on the motherboard. The options are Disabled, 378h,
278h, or 3BCh.
Parallel Port Mode
This setting specifies the parallel port mode. The options are
Normal, Bi-Dir, EPP, ECP.
Normal: The normal parallel port mode is used.
Bi-Dir : To support bidirectional transfers on the parallel
port.
EPP: The parallel port can be used with devices that adhere to
the Enhanced Parallel Port(EPP) specification. EPP uses the
existing parallel port signals to provide asymmetric
bidirectional data transfer drive n by the host device.
ECP: The parallel port can be used with devices that adhere to
the Extended Capabilities Port (ECP) specification. ECP uses
the DMA p rotocol to achieve data transfer rates up to 2.5
Megabits per second. ECP provides symmetric bidirectional
communication.
53
EPP Version
EPP data or address read cycle 1.9 or 1.7
Parallel Port IRQ
This setting specifies the IRQ used by the parallel port. The
options are Auto, (IRQ)5, (IRQ)7.
Parallel Port DMA Channel
This setting is available only if the setting for the Parallel Port
Mode option is ECP. This setting makes the DMA channel used
by the parallel port. The options are DMA Channel 0, 1, or 3.
On Board AC’97 Audio
Enable or Disable AC’97 Audio Function.
54
Hardware Monitor Setup
Change Supervisor Password
You can set passwords for either supervisor or user password,
or for both of them. The differences between them are:
supervisor password:
It’s used to enter and change the settings of the setup
menus.
user password:
It’s used to only access the setup menus, but can’t change
anything of it. When you select this option, the following
message will appear at the center of the screen to assist you
in creating a password.
ENTER PASSWORD:
Type the password, up to eight characters in length, and
press <Enter>. The password typed now will clear any
previously existing password within CMOS memory. You will
55
be prompted to confirm the password. Type the password
again and press <Enter>. You may also press <Esc> to abort
the selection and not to enter a password.
To disable a password, just press <Enter> when you are
prompted to enter the password. A message which ask you to
confirm the password will be disabled. Once the password is
disabled, the system will boot and you can enter Setup freely.
PASSWORD DISABLED.
When a password has been enabled, you will be prompted to
enter it every time you try to enter Setup. This prevents an
unauthorized user from changing any bit of your system
configuration.
Additionally, when a password is enabled, you can also
require the BIOS to request a password every time the
system is booting. This would prevent unauthorized uses of
your computer.
The user can d etermine whether th e password i s needed for
entering BIOS Setup Program or other Security options (see
Section 4.5). Onc e the Password has been set, The user will
be prompted to enter the password at the beginning of
booting and at the entry to Setup Menu.
56
Appendix A. Watchdog Timer
The Watchdog Timer is a device to ensure that
standalone systems can always recover from
catastrophic conditions that cause the CPU to crash.
This condition may have occurred by external EMI
or a software bug. When the CPU stops working
normally, hardware on the board will perform
hardware reset (cold boot) to bring the system
back t o a known state.
Three I/O ports control the Watchdog Timer.
443 Write Set Watchdog Time period
443
(hex)
043/84
3 (hex)
Read
Read Disable the Wa tchd og Timer
Enable the refresh the Watchdog
Timer
Prior to enable the Watchdog Timer, user has to
define Timer first. The output data is a value of
time interval and the range of the value is from
01(hex) to FF (hex) and time interval 1 sec to 255
sec.
57
Data
01 1 sec
02 2 sec
03 3 sec
04 4 sec
- - - -
FF 255 sec
Time
Interval
This will enable and activate the countdown timer
which eventually time out and reset the CPU to
ensure that this rese t condit ion doe s no t occur; the
Watch-Dog Timer must be periodically refr eshed by
reading the same I/O port 043/843H and 443H.
This must be done withi n the time out period that
is selected by software, please refer to the
example program.
A tolerance of at least 5% must be maintained to
avoid unknown routines within the operating
system (DOS), such as disk I/O that can be very
time consuming. Therefore if the time-out period
has been set to 10 seconds, the I/O port 443H
must be read within 7 seconds.
Note: when exiting a program it is necessary to
disable the Watchdog Timer, otherwise the system
;;INITIAL TIME PERIOD COUNTER
MOV DX, TIME_PORT
MOV AL,8: ;;8 SECONDS
OUT DX,AL
;;ADD YOUR APPLICATION HERE
MOV DX, TIMER_START
IN AL, DX. ;;START COUNTER
;ADD YOUR APPLICATION HERE
W_LOOP:
MOV DX, TIMER_STOP
IN AL, DX
MOV DX, TIMER_START
IN AL, DX. ; RESTART COUNTER
59
; ADD YOUR APPLICATION HERE
CMP EXIT_AP, 0
JNE W_LOOP
MOV DX, TIMER_STOP
IN AL, DX
;;EXIT AP
60
Appendix B. Digital I/O
One characteristic of digital circuit is it s fast response t o high or
low signal. This kind of response is highly needed for harsh and
critical industrial operating environment. That’s why we design
4-bit digital inputs and 4-bit digital outputs on the NOVA-7820.
Digital Input and Output, generally, are control signals. You can
use these signals to control external devices that needs On/Off
circuit or TTL devices. Yo u can read or write data to the sele cted
address to enable the function of digital IO.
A BIOS function call (INT 15H) is used to control the
Watch dog Timer:
INT 15H :
AH – 6FH
Sub-function:
AL – 8 : Set the Digital port is INPUT
AL : Digital I/O input value
Example program:
MOV AX, 6F08H ;setting the Digital port is input
INT 15H ;
AL low byte = value
61
AH – 6FH
Sub-function:
AL – 9 : Set the Digital port is OUTPUT
BL : Digital I/O output value
Example program:
MOV AX, 6F09H ;setting the Digital port is output
MOV BL, 09H ;Digital value
is 09H
INT 15H ;
Digital Output is 1001b
62
Appendix C. I/O Address Map
C.1 System I/O Address Map
I/O Address
Map
000-00F DMA controller #1
020-021 Interrupt controller # 1, master
022-023 Chipset address
040-043 System timer
060-060
061-061 System speaker
064-064
070-07F Real time clock, NMI controller
080-0BF DMA page register
0A0-0BF Interrupt Controller # 2
0C0-0DF DMA Controller # 2
0F0-0F0 Clear math coprocessor busy
0F1-0F1 Reset math coprocessor
0F8-OFF Math coprocessor
1F0-1F7 BUS master PCI IDE controller
278-27F Reserved
2F8-2FF Serial Port 2
378-37F Par a llel Printer Port 1
3B0-3DF Graphic Adapter
3F0-3F7 Floppy Disk Controller
3F8-3FF Serial Port 1
443 Watch dog timer enable
043/843 Watch dog timer disable
Description
Standard 101/102 keyboard
controller
Standard 101/102 keyboard
controller
63
C.2 DMA channel assignments
Channel Function
0 Available
1 Available
2
3 Parallel port*
4
5 Available
6 Available
7 Available
Standard floppy disk
controller
Cascade for DMA controller
1
* parallel port DMA default setting: DMA 3
parallel port DMA select: DMA 1 or 3
IRQ 4 Serial communication port 1
IRQ 5 Available
IRQ 6 Standard floppy disk controller
IRQ 7 Parallel port (print port)
IRQ 8 Real-time clock
IRQ 9 Available
IRQ 10 Available
Interrupt source
Interrupt from controller 2
(cascade)
64
IRQ 11 Available
IRQ 12 PS/2 mouse
IRQ 13 Numeric data processor
IRQ 14 Fixed primary IDE controller
IRQ 15 Fixed secondary IDE controller
Ethernet IRQ is automat ic set by the system
C.4 1st MB memory map
Address Description
F000h-FFFFh System BIOS
EF00h-EFFFh Expansion ROM*
C800h-EEFF
h
C000h-C7FF
h
B000h-BFFF
h
A000h-AFFF
h
0000h-9FFF
h
Unused
VGA BIOS*
VGA DRAM
VGA DRAM
Base memory
* Default setting
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