JUKI-511P is designed for limited space applications with only
the half size . It supports the full functions of an AT&
ATX-compatible industrial computer on a single board.So it
provides wake on LAN and Modem. The JUKI-511P is equipped
with a low-power consumption and high performance GXLV/GX1
processor on board. It also contains an SDRAM DIMM socket
that can support up to 256 MB memory.
The JUKI-511P provides an Ethernet interface, audio interface,
Compact Flash Type II, EIDE interface, one parallel port, Two
RS-232 serial ports, and a 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 and CRT resolutions up to 1280 x 1024
@ 256 colors &1024x 768 @ 16 bpp. It also provides TV-OUT
interface for PAL or NTSC TV. The display type is configured by
software utility. The Flash ROM contains both the system BIOS
and the VGA BIOS. Reprogramming the Flash ROM could do
modification, in case of necessary.
Introduction
3
1.1 Specifications
*NS GXLV/GX1-233/266/300 MMX 32-Bit x86 Processor
Supports Intel MMX instruction set extension for the
acceleration of multi media applications
16 KB unified L1 cache
Five-stage pipelined integer unit
Integrated Floating Point Unit(FPU)
*System memory: One 168-pin DIMM socket support up to
256MB SDRAM
*BIOS: AWARD 256 KB Flash memory
*Display Controller
MediaGx processor has applied the UMA technology, which
provides 1.5~4MB display memory, to be set up by BIOS
Support CRT and TFT LCD displays simultaneously
Support 18-bit TFT LCD panel resolution up to 1024x768
@ 18bpp
Support non-interlaced CRT monitors resolutions up to
• 1 one to two 6pin mini Din Connector for keyboard and
mouse.(Part No:32000-000138)
• 1 audio cable sets. (Part No:19800-000010)
• 1 TV AV and S-Video cable. (Part No:19800-000013)
• 1 LCD 44 Pin Connector (FP24-01A)•
If any of these items are missing or damaged, contact your
distributor or sales representative immediately.
2
This chapter gives instructions about how to set up the
JUKI-510 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 JUKI-511P Board Layout
Please refer the next page
Installation
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Solder Side
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2.2 Unpacking Precautions
Some components of JUKI-511P SBC are very sensitive to
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static electric charges and can be damaged by a sudden rush
of power. To protect it from unintended damage, be sure to
note these precautions:
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Ground yourself to remove any static charge before touching
the JUKI-511P SBC. You can do it by using a grounded wrist
strap at all times or by frequently touching any conducting
materials that is connected to the ground.
Handle your JUKI-511P SBC by its edges. Don’t touch IC
chips, leads or circuitry if not necessary.
Do not plug any connector or jumper while the power is on.
There is one 168-pin DIMM socket to accept 3.3V
non-buffered SDRAM. The max. Memory size is 256MB.
2.3 Watchdog Timer Setting (JP1)
Reading port 443H enables the Watchdog Timer. It should be
triggered before the time-out period ends, otherwise it will
assume the program operation is abnormal and will issue a
reset signal to start again. The Watchdog Timer is disabled by
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reading port 043/843H. For detail information about
Watch-Dog Timer Refer to Appendix A
• JP1 : Watchdog Active Type Setting
JP1
2-3
OPEN
Reset when WDT time-out
Disable WDT
DESCRIPTION
10
11
2.4 LCD Voltage and Clock Setting (JP2)
COM2 RS-232, RS-422 or RS-485 Setting JP6(2,4,6)(Optional)
The LCD interface connector CN1 can provide 5V or 3.3V power supply
by selecting the JP2 (1,3,5) to meet the different LCD requirement. And
the JP2 (2,4,6) can provide normal or inverted Shift CLOCK for LCD.
JP2 (1,3,5) DESCRIPTION
1-3 5V
3-5 3.3V
JP2 (2,4,6) DESCRIPTION
2-4 Shift Clock (Normal)
4-6 Shift Clock invert
2.5 Compact Flash Setting (JP4)
Set the operating mode of CompactFlash disk
• JP4 : Compact Flash Setting
Address
JP4
MASTER CLOSE
SLAVE OPEN
2.6 COM2 Setting JP5,JP6(2,4,6)
The COM2 (CN21) can supply +5V or +12V power to the
serial devices via RI pin (Pin 8) of the COM port connector.
The max. current is 1A with fuse protection, from these two
connector’s 5V/12V output. If the output is set to 12V, make
sure that you have 12V to supply to the board.
CN21 Pin 8 JP5(2,4,6) JP5(1,3,5)
RI Signal 4-6 Don’t care
+5V
+12V
2-4 1-3
2-4 3-5
The COM2 (CN21) can be set to RS-232 or RS-422/485 for
industrial field site application. Moreover when this port set to
the RS-485 mode the board equipped self-tuner IC will
automatic sensing the data direction to eliminate the data
collision. This is especially important in WINDOWS
programming which do not allow the program to catch the
control pin at your wish.About the RS422 and RS485
function, It’s optional for customer.
JP6(2,4,6)DESCRIPTION
2-4 RS232
4-6 RS422/RS485
2.7 Clear CMOS Setup (JP6/1,3,5)
If you need to clear the CMOS Setup (for example forgot the
password you should clear the setup and then set the
password again.), you should close the JP6(3,5) about 3
seconds, then open it again. Set back to normal operation
mode.
• JP6/1,3,5: Clear CMOS Setup (Reserve Function)
JP6(1,3,5)DESCRIPTION
1-3 Normal Operation
3-5
Clear CMOS Setup
12
13
• CN1: 50-pin LCD Connector
3
This chapter describes how to connect peripherals, switches
and indicators to the JUKI-511P board.
3.1 LCD Interface Connector (CN1)
The JUKI-511P provides a 2x25-pin connector CN1, for the
LCD flat panel interface and the LVDS interface.
The JUKI-511P comes to support TFT LCD panels at
following display options: (This is a reference table only,
may support more type panels)
The display options need to be setup manually from BIOS.
The BIOS “Integrated Peripheral” Setup will allow you to
choose display resolution either 640X480 , 800X600 or
1024X768.
LCD Interface Connector – only support up to 18 bits
TFT-LCD. For better display quality, the length of LCD cable
should be shorter than 35 cm.
14
15
3.2 VGA Connector (CN2)
The JUKI-511P built-in 15-pin VGA connector that connect
directly the CRT monitor.
• CN2: 15-pin VGA Connector
1 RED 2 GREEN
3 BLUE 4 NC
5 GROUND 6 GROUND
7 GROUND 8 GROUND
There are several external switches and indicators for monitoring
and controlling your CPU board. All the functions are in the CN3
connector.
CN3:External Switches and Indicators
PIN DESCRIPTION PIN DESCRIPTION
Power
LED
1 +5V 2 Speaker
Speaker
3 GND 4 N/C
5 GND 6 N/C
7 N/C 8 +5V
LED
9 +5V 10 Reset SwitchHDD
11 IDE LED 12 GND
Reset
button
16
3.4 External Power Connector (CN4)
The JUKI-511P has an on-board external power connector
CN4. You can connect power directly to the CPU board.
• CN4: External Power Connector
PIN NO.DESCRIPTION
1 +12V
2 GROUND
3 GROUND
4 VCC5V
3.5 Audio Connector (CN5,CDIN1)
The audio function was organized by CS5530A I/O
companions and NS AD1881A CODEC, which compliant with
AC97. You can use CD-IN as the input port (e.g.: connected
to the output of CD player), depending on the type of
connector that you have.
• CDIN1: CD_AUDIO INPUT Connector
PIN NO.DESCRIPTION
1 CD_L
2 GND
3 GND
4 CD_R
• CN5: Audio Connector
This is the output port of your Sound System. Pin 1-2-3 can be
connected to earphone and 5-6-7 can be connected to
loudspeaker. Pin 9-10-11 can be used as input port if it is
connected to the earphone jack of your CD. Pin 15-16 is for
microphone.
9 LINE_IN_ L 10 LINE_IN_R
11 GND 12 GND
13 GND 14 GND
15 MIC IN 16 GND
3.6 ATX Power Connector (CN6,CN7)
The JUKI-511P can accept AT or ATX power supply . The
CN6,CN7 provide the ATX power controlled signals and +5V
standby voltage (+5VSB).
• CN6: ATX Power connector
PIN NO. DESCRIPTION
1 +5VSB
2 PSON
3 GROUND
• CN7: ATX Power controlled signal connector
PIN NO. DESCRIPTION
1 Power Button
2 GROUND
Application: The CN6 can connect to the backplane directly when
the backplane supports the ATX function . And the CN7
connects to the power button in the chassis.
18
3.7 LAN RJ45 Connector (CN16)
The JUKI-511P built-in RJ45 LAN connector is for
10/100Mbps Ethernet (REALTEK 8139C).Support
wake-on-LAN when you use the ATX power supply.
• CN16: LAN RJ45 Connector
1 TX+ 5 GND
2 TX- 6 RX3 RX+ 7 GND
4 GND 8 GND
3.8 USB Port Connector (CN17)
The JUKI-511P provides two USB interfaces, which give the
completed plug and play, for up to 127 external devices.
• CN17: Internal USB Connector
1. +5V 5. GND
2. D1F- 6. D2F+
3. D1F+ 7. D2F-
4. GND 8. +5V
19
3.9 CompactFlash Connector -- TYPE II (CN18)
You can attach one Compact Flash Disk to CN18 that occupy
the Secondary IDE channel. The CN18 supports both the TYPE II and
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
9 GROUND 34 IOR#
For IDE HDD connection, The JUKI-511P was designed with
one2.54mm connector (CN19) , which could be converted to two
2.54mm standard IDE connector via proprietary cable.
• CN19 : 40-pin Primary IDE Interface Connector
PIN
NO.
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
11 DATA 3 12 DATA 12
13 DATA 2 14 DATA 13
15 DATA 1 16 DATA 14
17 DATA 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
PIN
NO.
DESCRIPTION
20
21
3.11 Serial Ports (CN20, CN21)
The JUKI-511P offers two high speeds NS16C550
compatible UARTs with Read/Receive 16 byte FIFO serial
ports. These ports let you connect to serial devices or a
communication network. One 9-pin D-SUB connector and
one 14-pin header are provided by the JUKI-511P. The
detailed pin assignment of the connectors are specified as
following tables:
• CN20(com1) serial Port Connector (9-pin DSUB)
PIN NO.DESCRIPTION
1 DATA CARRIER DETECT (DCD)
2 RECEIVE DATA (RXD)
3 TRANSMIT DATA (TXD)
4 DATA TERMINAL READY (DTR)
5 GROUND (GND)
6 DATA SET READY (DSR)
7 REQUEST TO SEND (RTS)
8 CLEAR TO SEND (CTS)
9 RING INDICATOR (RI)
• CN21 (com2): Serial Port Connector (14-pin Header/W
The JUKI-511P built-in an IrDA port which support Serial
Infrared (SIR) or Amplitude Shift Keyed IR (ASKIR) interface.
When use the IrDA port have to set SIR or ASKIR model in
the BIOS’s Peripheral Setup’s COM2. Then the normal
RS-232 COM2 will be disabled.
22
23
• CN24: IrDA connector
PIN NO. DESCRIPTION
1 VCC
2
3 IRRX
4 Ground
5 IR-TX
6
3.14 Parallel Port (CN25)
This port is usually connected to a printer; The JUKI-511P
includes an on-board parallel port (CN25), accessed through a
26-pin flat-cable connector.
• CN25: Parallel Port Connector
PIN
NO.
1 STROBE# 14 AUTO FORM FEED #
2 DATA 0 15 ERROR#
3 DATA 1 16 INITIALIZE
4 DATA 2 17 PRINTER SELECT LN #
5 DATA 3 18 GROUND
6 DATA 4 19 GROUND
7 DATA 5 20 GROUND
8 DATA 6 21 GROUND
9 DATA 7 22 GROUND
configuration. The AWARD BIOS setup program is designed to
provide maximum flexibility in configuring the system by offering
various options that may be selected to meet end-user
requirements. This chapter is written to assist you in the proper
usage of these features.
4
4.1 Getting Start
When you turn on the power button, the BIOS will enter the
Power-On-Self-Test routines. These routines will be executed for
system test and initialization and system configuration verification.
After the POST routines are completed, the following message
appears:
" Hit DEL if you want to run SETUP"
To access AWARD BIOS SETUP UTILITY, press <Del> key. The
following screen will be displayed at this time:
4.2 Standard CMOS Setup
The Standard CMOS Setup is used for basic hardware system
configuration. The main function is for Date/Time setting and
Floppy/Hard Disk Drive setting. Please refer the following screen
for this setup.
28
29
To set the Date, for example, press either the arrow or <Enter> button
on your keyboard to select one of the fields (Month, Date or Year) then
press either <PgUp> or <PgDn> to increase or decrease the value of
that field. Do the same steps for Time setting.
For IDE hard disk drive setup, please check the following possible
setup procedure:
1. Use the Auto setting for detection during boot-up.
2. Use the IDE HDD AUTO DETECTION in the main menu;
the computer will automatically detect the HDD
specifications.
3. Manually enter the specifications by yourself from
the ”User“ option.
Note:
If you need more information on any particular field, just highlight it then press
<F1> button. A pop-up window will come out to give you more information on that
field.
4.3 BIOS Features Setup
This BIOS Features Setup is designed for the 'fine tuning' of your
system in order to improve its performance. As for normal operation,
you don‘t have to change any default setting. The default setting is
pre-set for most reliable operation.
4.4 Chipset Features Setup
This setup function works mostly on board's chipset. This
option is used to change the chipset's configuration. Please,
carefully change any default setting, otherwise the system
will run unstable.
30
31
4.5 Power Management Setup
Power Management Setup helps user to handle the JUKI-510
board‘s “green” function. This feature can shut down the
video display and hard disk to save energy, for example. The
power management setup screen is as following
4.6 PNP / PCI CONFIGURATION
This menu is used to assign certain IRQ to your PNP/PCI
devices manually.
PNP OS Installed
: if you install Plug and Play operating
32
system (OS), the OS will reassign the interrupt if you select
in this field. If you install a non-Plug and Play OS or if
Yes
33
you want to prevent reassigning of interrupt settings, select
in this field.
No
Resources Controlled By
: select
Auto
if you want the
computer to assign the IRQs automatically and vice versa.
Reset Configuration Data: Enabling
this field means you
allow the configuration data to be reset.
IRQ-xx assigned to
: these fields show whether a PCI/ISA
uses certain IRQ.
4.7 LOAD BIOS DEFAULTS
Suggestion: for the first time or for our primary user, we suggest you to
use LOAD SETUP DEFAULTS because it is the safest mode for your
system.
4.8 LOAD SETUP DEFAULTS
If you select 'Y' to this field, the BIOS Defaults will be loaded
except Standard CMOS SETUP. The default settings are not
optimal and turning all high performance into disabled
condition. Select 'N' to abort.
34
If you select 'Y' to this field, the Setup Defaults will be loaded
except Standard CMOS SETUP. The default settings are
Audio High DMA Select-- DMA5, DMA6, DMA7, Disabled
To select the high DMA channel.
Multiple Monitor Support -- No Onboard, PCI first, M/B first
To select the primary VGA for multiple monitor support in WINDOWS.
Video Memory Size -- 1.5M, 2.5M, 4.0M
To select the size of video memory. It makes use of system memory
for display.
TV-OUT Mode – NTSC, PAL
To select the TV-OUT mode.
4.10 PASSWORD SETTING
This option is used to assign Onboard I/O, IRQ, and DMA etc. If
you don't know how to configure them, just press <F7> to load
Setup Defaults.
The flat panels will then be applied with two modes: 640x480
or 800x600, for which it needs to set up from BIOS for proper
flat panel resolution.
Digital I/O Base Address -- 240H, 260H, 280H, Disabled
To select the I/O address for digital I/O function.
Build in CPU Audio -- Enabled, Disabled
To disable/enable the audio function.
Audio I/O Base Address -- 220H, 240H, 260H, 280H
To select the I/O address for audio function.
MPU-401 I/O Base Address -- 300H, 330H, Disabled
To select the I/O address for MPU-401 (midi interface).
Audio IRQ Select -- 5, 7, 10, Disabled
To select the interrupt for audio function.
Password SETTING sets a password that is used to protect
your system and Setup Utility. Once you setup the password,
the system will always ask you to key-in password every
time you enter the BIOS SETUP. If you enter the BIOS
SETUP with Password, you can choose every setup/option
on the main menu. To disable the password, enter the BIOS
SETUP room with Password and then just press the
<Enter> key instead of entering a new password when the
'Enter Password' prompt pop-up.
N.B.: if you forget the password, do the Clear/Reset CMOS procedure (see
Section 2.5 Clear CMOS Setup)
36
37
4.11 IDE HDD AUTODETECTION
This option detects the parameters of an IDE hard disk drive
(HDD sector, cylinder, head, etc) automatically and will put
the parameters into the Standard CMOS Setup screen. Up
to 2 IDE drives can be detected and the parameters will be
listed in the box. Press <Y> if you accept these parameters.
Press <N> to skip the next IDE drives.
Note: If your IDE HDD was formatted in previous older system, incorrect
parameters may be detected. In this case, you need to enter the correct
parameters manually or low-level format the disk
4.12 SAVE AND EXIT SETUP
4.13 Quit Without Saving
Select this option if you want to exit the Setup without saving
the changes that you made. Just simply press <Enter> key
and you will exit the BIOS SETUP without saving the
Select this option when you finish setting all the parameters and
want to save them into the CMOS. Just simply press <Enter> key
and all the configuration changes will be saved
38
changes.
39
5
5.1 Introduction
The JUKI-511P is equipped with on-board LCD/VGA interface.
The description below is its specifications and features:
5.1.1 Chipset
The JUKI-511P uses a Cyrix CS5530A chipset as its
SVGA controller. It is compatible with many common 18-bit
LCD displays and traditional analog CRT monitors. The
VGA BIOS supports LCD. Besides, it also accepts
interlaced and non-interlaced analog monitors (color and
monochrome VGA) with high-resolution quality while
maintaining complete IBM VGA compatibility. But digital
monitors (i.e. MDA, CGA, and EGA) can be NOT
supported. Multiple frequency (multisync) monitors are
operated as if they were analog monitors.
SVGA Setup
5.1.3 Display drivers
1. Win95, 98 drivers (VGA & Audio) in
\VGA\MediaGX\National Geode Win9x Drivers 1.2
2. WinNT4.0,Windows 2000 driver in
\VGA\MediaGX\Nt40Vga\
5.2 Further Information
For more detailed information about the PCI/SVGA installation
in your JUKI-511P, including driver updates, troubleshooting
instructions, please refer to the following webs, which provide
some resources you may need. If not find the information you
need, please contact with your local contributor or ICP support
team:
ICP web site: www.iei.com.tw
5.1.2 Display memory
Having 1.5 ~ 4 MB UMA memory, the VGA controller
can make CRT displays or color panel displays perform
with resolutions up to 1024 x 768 at 64 K colors. The
display memory can be modified up to 4 MB in BIOS for
true-color resolution of 1024 x 768.
40
41
6
6.1 Introduction
With on-board audio interface, the JUKI-511P can perform
high-quality stereo sound and FM music synthesis (ESFM) by
using the CS5530A audio controller. The audio interface has
functions of recording, compressing, and playing back voice,
sound, and music with a built-in mixer control. In addition, the on
board audio interface supports the Plug and Play (PnP) standard
and provides PnP configuration for audio, FM, and MPU-104
logical devices. It is compatible with AC97 version 2.0, voice, and
music functions. The ESFM synthesizer is register compatible
with the OPL3 and has extended capabilities.
6.1.1 Audio drivers
1. Installing software driver in Windows NT
The driver was provided from the CD utility.
WinNT4.0 Audio drivers in
\Audio\MediaGX
2. Installing software driver in Win95/98
The software drivers was supported from Windows 95/98,
please set up from...
\VGA\MediaGX\National Win9x Drivers 1.2
Audio
7
PCI Bus Ethernet Interface
7.1 Introduction
The JUKI-511P provides a high performance 32-bit Ethernet
chipset, which is completely compliant with IEEE 802.3 100
Mbps CSMA/CD standards. It is both 100Base-T and 10Base-T
compatible. The major network operating system fits it.
The Ethernet port supplies a standard RJ-45 connector on
board. To utilize the network boot feature is by incorporating the
boot ROM image files for the appropriate network operating
system.
42
43
periodically refreshed by reading the same I/O port 043/843H
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 to a known state.
Three I/O ports control the Watchdog Timer.
443 WriteSet Watchdog Time period
443 (hex) ReadEnable the refresh the Watch-Dog Timer.
043/843
(hex)
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.
This will enable and activate the countdown timer which will
eventually time out and reset the CPU to ensure that this reset
condition does not occur, the Watchdog Timer must be
ReadDisable the Watchdog Timer.
Data Time Interval
01 1 sec
02 2 sec
03 3 sec
04 4 sec
.
.
.
FF 255 sec
.
.
.
and 443H. This must be done within 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 will reset.
Example assembly program:
TIMER_PORT = 443H
TIMER_START = 443H
TIMER_STOP = 843H
;;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
44
45
Appendix B. I/O Address Map
;;ADD YOUR APPLICATION HERE
W_LOOP:
MOV DX, TIMER_STOP
IN AL, DX
MOV DX, TIMER_START
IN AL, DX. ;;RESTART COUNTER
;;ADD YOUR APPLICATION HERE
CMP EXIT_AP, 0
JNE W_LOOP
MOV DX, TIMER_STOP
IN AL, DX
;;EXIT AP
B.1 System I/O Address Map
I/O Address MapDescription
000-01F DMA Controller #1
020-021 Interrupt Controller # 1, Master
022-023 Chipset address
040-05F System Timer
060-06F Standard 101/102 keyboard Controller
070-07F Real time Clock, NMI Controller
080-0BF DMA Page Register
0A0-0BF Interrupt Controller # 2
0C0-0DF DMA Controller # 2
0F0-0FF Math Coprocessor
170-1FF VIR BUS Master PCI IDE Controller
220-22F Audio 16bit sound
2E8-2EF Serial Port 4
2F8-2FF Serial Port 2
378-37F Parallel Printer Port 1
3B0-3DF Cyrix Graphic Adapter
3E8-3EF Serial Port 3
3F0-3F7 Floppy Disk Controller
3F8-3FF Serial Port 1
443 Watch dog timer enable
043/843 Watch dog timer disable
PNP audio I/O map range from 220~250H (16 bytes)
MPU-401 select from 300~330H (2 bytes)
B.2 DMA channel assignments
ChannelFunction
0
1
2
3
4
5
6
7
Available
Audio*
Floppy disk (8-bit transfer)
Parallel**
Cascade for DMA controller 1
Audio*
Available
Available
46
47
* Audio DMA defaults setting: DMA 1.5
Audio High DMA select: DMA 1.3
Audio Low DMA select: DMA 5.6.7
** parallel port DMA default setting: DMA 3
parallel port DMA select: DMA 1.3
B.3 Interrupt assignments
Interrupt #Interrupt source
NMI Parity error detected
IRQ 0 System timer
IRQ 1 Keyboard
IRQ 2 Interrupt from controller 2 (cascade)
IRQ 8 Real-time clock
IRQ 9 REALTEK 8139C
IRQ 10 Serial communication port 4
IRQ 11 Serial communication port 3
IRQ 12 PS/2 mouse
IRQ 13 Numeric data processor
IRQ 14 CS5530A Primary IDE controller
IRQ 15 CS5530A Second IDE controller
IRQ 3 Serial communication port 2
IRQ 4 Serial communication port 1
IRQ 5 Audio*
IRQ 6 Diskette controller (FDC)
IRQ 7 Parallel port 1 (print port)
* Audio default setting: IRQ5
B.4 1st MB memory map
Address Description
F000h-FFFFhSystem ROM
D800h-EFFFhUnused
C800h-D7FFhEthernet ROM*
C000h-C7FFhExpansion ROM*
B800h-BFFFhCGA/EGA/VGA text
B000h-B7FFhUnused
A000h-AFFFhEGA/VGA graphics
0000h-9FFFhBase memory
D000-D400H Available
* Default setting
** If Ethernet boot ROM is enabled.
Ethernet IRQ is automatic set by the system
48
49
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