PS/2 Mouse
Connector
SPP/EPP/ECP Parallel Port
Speaker Out
RJ45 10/100
LAN Jack
(Optional)
PS/2 Keyboard
Connector
FAN3 Connector
USB Port COM 1 Port
COM 2 Port
Line-In MIC-In
AUX-IN Connector
CD-IN Connector
FAN2 Connector
Intel 82550 10/100 LAN
Controller
1500μF Low ESR Capacitors
CPU1 FAN connector
CPU2 FAN Connector
AGP Pro Slot
USB Connector
Dual CPU sockets
CPU #2
CPU #1
FAN1 Connector
32 Bit PCI Slot x 5
4Mbit Flash BIOS
Game Port Connector
ATX 20-pin Power Connector
AGP Pro Power Connector
VIA Pro266T Chipset
Dual Channel Ultra 160 SCSI
Connector
184-pin DIMM Socket x4 supports
PC-1600/2100 DDR SDRAM
maximum up to 2 GB
JP14 CMOS Clear Jumper
Redundant SPS Connector
ATA/33/66/100 IDE Connector x2
Adaptec 7899W SCSI
Controller
FDD Connector
Front Panel Connector
WOL (Wake on LAN) Connector
SCSI LED Connector
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3. Installing Processor
5. Setting CPU Voltage & Frequency
Setting CPU Core Voltage
This motherboard supports CPU VID function. The CPU core voltage will be automatically
detected and the range is from 1.05V to 1.825V. It is not necessary to set CPU Core Voltage
1.
2.
Pull up the CPU socket level and up to
90-degree angle.
CPU socket lever
Setting CPU Frequency
This motherboard is CPU jumper-less design, you can set CPU frequency through the BIOS
setup, no jumpers or switches are needed.
Locate Pin 1 in the socket and look for a
(golden) cut edge on the CPU upper
interface. Match Pin 1 and cut edge.
Then insert the CPU into the socket.
BIOS Setup > Frequency / Voltage Control > CPU Speed Setup
Core Frequency = CPU FSB Clock * CPU Ratio
3.
Press down the CPU socket level and
finish CPU installation.
3x, 3.5x, 4x, 4.5x, 5x, 5.5x, 6x, 6.5x, 7x, 7.5x, 8x, 8.5x, 9x, 9.5x, 10x, 10.5x, 11x, 11.5x,
12x, 12.5x, 13x, 13.5x, 14x, 14.5x, 15x, 15.5x and 16x
CPU Ratio
100 and 133 MHz
CPU FSB
(By BIOS Table)
Note: If you do not match the CPU
socket Pin 1 and CPU cut edge
well, it may damage the CPU.
CPU
CPU Core Frequency
600MHz
650MHz
FSB Clock
100MHz
100MHz
100MHz
100MHz
100MHz
100MHz
133MHz
133MHz
133MHz
133MHz
133MHz
133MHz
133MHz
133MHz
133MHz
133MHz
Ratio
6x
Pentium III 600E
Pentium III 650E
Pentium III 700E
Pentium III 750E
Pentium III 800E
Pentium III 850E
Pentium III 533EB
Pentium III 600EB
Pentium III 667EB
Pentium III 733EB
Pentium III 800EB
Pentium III 866EB
Pentium III 933EB
Pentium III 1G
6.5x
7x
CPU Pin 1 and cut edge
Warning: We strongly
recommend you do not
overclocking your CPU
and system for get more
system reliability.
700MHz
750MHz
800MHz
850MHz
533MHz
600MHz
667MHz
733MHz
800MHz
866MHz
933MHz
1GHz
7.5
8x
8.5x
4x
4. Supported CPU Type
4.5x
5x
The DX37 Plus-U supports Intel® Socket 370 Pentium III series CPU. Including the code
name Tualatin 512K cache CPU for dual CPU configuration.
5.5
6x
6.5
7x
Processor Name
PentiumII
CPU Package
7.5x
8.5x
9x
All
All
Pentium III 1.13G
Pentium III 1.26G
1.13GHz
1.26GHz
Single Processor
Dual Processor
Pentium !!!
Pentium II
All
Pentium !!!
Coppermine
Tualatin
Pentium !!! 512K
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6. Support Four USB Connectors
8. Connecting IDE and Floppy Cables
This motherboard provides four USB connectors to connect USB devices, such as
mouse, keyboard, modem, printer, etc. There are two connectors on the PC99 back
panel. You can use proper cable to connect other USB connectors to the back panel or
front panel of chassis.
Connect 34-pin floppy cable and 40-pin, 80-wire IDE cable to floppy connector FDC and
IDE connector. Be careful of the pin1 orientation. Wrong orientation may cause system
damage.
Primary
Primary
Slave (2nd)
Master (1st)
Pin 1
IDE 1 (Primary)
IDE 2 (Secondary)
Pin 1
USB2 Connector
Secondary
Master (3rd)
Secondary
Slave (4th)
NC
GND
KEY
GND
SBD2+
SBD2-
+5V
SBD3+
SBD3-
+5V
ATA 33/66/100
IDE Connector
1
Pin 1
FDD Connector
7. Connecting ATX and AGP Pro Power Connector
9. Connecting Front Panel Cable
The DX37Plus-U uses standard ATX power connector. The 6-pin AGP Pro Power
connector provides extra +5V and +3.3V power for AGP Pro VGA card. Make sure you
plug in the right direction.
Attaching such as power LED, speaker, reset switch, power switch connector, etc.… to
corresponding pins. The green cap on pin 19 & 20 is to disable Chassis Intrusion
Switch, you may just take it off to able this function.
21 22
+5V
+12V
5VSB
Chassis Intrusion
Reset Switch
Switch
PW-OK
-5V
COM
+5V
COM
+5V
COM
COM
COM
PS-ON
COM
-12V
HDD LED
Power LED
ATX Power
Switch
1
2
COM
+3.3V
Pin 1
21 22
+3.3V
+3.3V
GND
GND
INT S/W
RST S/W
+5V
HDD LED
HDD LED
+5V
6
1
+5V
GND
PWR LED
+5V
+3.3V
+3.3V
GND
GND
GND
GND
+5VSB
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10. Connecting 68-pin Ultra 160 SCSI Cable
12. Connecting CD / AUX Connector
The DX37Plus-U provides two 68-pin Ultra Wide/Ultra 2/3 SCSI connectors for 16-bit or
16-bit differential SCSI devices.
The AUX-IN connector is used to connect MPEG
Audio cable from MPEG card to onboard sound.
CD-IN (Black)
The CD-IN connector is used to connect CD Audio
cable from CDROM or DVD drive to onboard sound.
AUX-IN (Green)
Disable SCSI Ch A
SW1(3) On
Terminator
Disable SCSI Ch B
Connector
AUX-IN
CD-IN
Pin1
Left
Left
Pin2 Pin3
Pin4
SW1(4) On
Terminator
GND GND Right
GND GND Right
Low ESR capacitor
A Terminator
B Terminator
11. Connecting SCSICard LED Connector
13. Redundant SPS Monitoring Connector
The 4-pin SCSI LED connector can be connected to a PCI SCSI control card activity
LED connector. Read or write activity by devices connected to the SCSI card will transfer
a signal to Front Panel and thusmaking the LED lighting up.
This motherboard implements Redundant SPS monitoring connector to provide hardware
monitoring signals . It is feasible to install an additional 337-watt power supply module
(optional with AOpen Server Housing) in a hot swappable configuration. If any SPS failed,
a signal will be sent to a hardware monitoring device.
-
14 13
+
+
-
Fan 3 Fail
PS 3 Fail
PS ON
+12V
Present 3
GND
Present1
I2C CLK
Fan 1 Fail
PS1 Fail
5VSB
SCSI Card
Present 2
Fan 2 Fail
PS 2 Fail
LED Connector
2
1
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16. Wake On LAN
14. Support 10/100 Mbps LAN onboard
To use Wake On LAN function, you must have a network card with chipset that supports this
feature, and connect a cable from LAN card to motherboard WOL connector. The system
identification information (probably IP address) is stored on network card and because there is
a lot of traffic on the Ethernet, you need to install a network management software, such as
ADM, for the checking of how to wake up the system. Note that, at least 600mA ATX standby
current is required to support the LAN card for this function.
The South Bridge V8233 of VIA Apollo Pro266T chipset includes a fast Ethernet controller on
chip. On the strength of Intel 82550 PHY on board, which is a highly-integrated Platform LAN
Connect device, it provides 10/100M bps Ethernet for office and home use, the Ethernet RJ45
connector is located on the back panel. The green LED indicates the link mode, it lights when
linking to network and blinking when transferring data. The orange LED indicates the transfer
mode, and it lights when data is transferring in 100Mbps mode. To enable or disable this
function, you may simply adjust it through BIOS.
Green/ACT
Orange/Speed
+5VSB
GND
LID
17. Installing Onboard Sound Driver
15. Power-On and Load BIOS Setup
This motherboard comes with an AD 1885 AC97 CODEC, you can find the audio driver
from the Bonus Pack CD disc auto-run menu.
After you finish the setting of jumpers and connect correct cables. Power on and enter the
BIOS Setup, press <Del> during POST (Power On Self Test). Choose "Load Default
Setting" for recommended optimal performance.
Del
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Part Number and Serial Number
If you encounter any trouble to boot you system, follow the procedures
accordingly to resolve the problem.
The Part Number and Serial number are printed on bar code label. You can find this
bar code label on the outside packing, on ISA/CPU slot or on component side of PCB.
For example:
Start
Turn off the power and unplug the AC power cable, then remove all
of the addon cards and cables, including VGA, IDE, FDD, COM1,
COM2 and Printer.
Part No.
Part No.
Serial No.
Serial No.
Make sure if the jumper settings for CPU and DRAMs are correct.
ClearCMOS.
Install the VGA card. Then connect your monitor and keyboard.
P/N: 91.88110.201 is part number, S/N: 91949378KN73 is serial number.
Turn on the power, and check if
the power supply and CPU fan
No
The problem was probably caused
by power supply or motherboard
failure. Please contact your reseller
work properly.
or local distributor for repairing.
Yes
No
Perhaps your VGA card or monitor
is defective.
Check if there is display.
Yes
Press Ctrl, and Alt key at the
same time, hold them and then
press Del to see if the
No
It is very possible that your keyboard
is defective.
system reboots.
Yes
During system rebooting, press Del to enter BIOS Setup. Choose
“Load Setup Default".
Turn off the system and
re-connect the IDE cable.
Check if the system can
rebootsuccessfully.
No
The problem should be caused by the
IDE cables or HDD itself.
Yes
Re-install Windows 95, Windows 98 or Windows NT.
End
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Online Manual: Please check the manual carefully and make sure the
jumper s ettings and installation procedure are correct.
1
Dear Customer,
Test Report: We recommend to choose board/card/device from the
compatibility test reports for assembling your PC.
Thanks for choosing AOpen products. To provide the best and fastest service to
our customer is our first priority. However, we receive numerous emails and
phone-calls worldwide everyday, it is very hard for us to serve everyone on time.
We recommend you follow the procedures below and seek help before contact
us. With your help, we can then continue to provide the best quality service to
more customers.
2
FAQ: The latest FAQ (Frequently Asked Questions) may contain a
solution to your problem.
Thanks very much for your understanding!
AOpen Technical Supporting Team
3
Pacific Rim
Europe
AOpen Inc.
Tel: 886-2-2696-1333
Fax: 886-2-8691-2233
AOpen Computer b.v.
Tel: 31-73-645-9516
Fax: 31-73-645-9604
Download Software: Check out this table to get the latest updated
BIOS/utility and drivers.
4
China
Germany
艾? ? ? ? 上海(股)有限公司
Tel: 49-2102-157700
Fax: 49-2102-157799
AOpen Computer GmbH.
Tel: 49-2102-157700
Fax: 49-2102-157799
News Group: Your problem probably had been answered by our support
engineer or professional users on the news group.
5
America
AOpen America Inc.
Tel: 1-510-498-8928
Fax: 1-408-922-2935, 1-408-432-0496
Contact Distributors/Resellers: We sell our products through resellers
and integrators. They should know your system configuration very well and
should be able to solve your problem more efficien n important reference for
you if next time you want to buy something else from them.
6
Web Site: www.aopen.com
E-mail: Send us email by going through the contact form below.
English
Contact Us: Please prepare detail system configuration and error symptom
before contacting us. The part number, serial number and BIOS version
are also very helpful.
Japanese
Chinese
7
German
French
Simplified Chinese
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