4.14. IDE HDD AUTO DETECTION...........................................................................4-31
4.15. SAVE & EXIT SETUP........................................................................................4-32
4.16. EXIT WITHOUT SAVING..................................................................................4-33
23
Page 3
Page 4
Introduction
1.INTRODUCTION
1.1. PREFACE
Welcome to use the 6BXDU motherboard. It is a Dual Pentium II Processor
based PC / AT compatible system with AGP / PCI / SCSI / ISA Bus, and has
been designed to be the fastest PC / AT system. There are some new features
allow you to operate the system with just the performance you want.
This manual also explains how to install the motherboard for operation, and
how to set up your CMOS CONFIGURATION with BIOS SETUP program.
1.2. KEY FEATURES
q Intel Pentium
II Processor based PC / AT compatible mainboard.
q Slot 1 supports Pentium
q Intel 440BX chipset, Supports AGP / SDRAM / Ultra DMA 33 IDE / Wake
II processor running at 200-633 MHz.
on LAN / Keyboard and PS/2 Mouse Power On/3 steps ACPI LED
features.
q Supports Intel LDCM
q Supports 4xDIMMs using 3.3V SDRAM DIMM module.
q Supports 16MB - 1 GB SDRAM memory on board.
q Supports ECC or Non-ECC type DRAM module.
q 1xAGP slot, 4xPCI Bus slots, 3xISA Bus slots.
q Supports 2 channels Ultra DMA 33 IDE ports for 4 IDE Devices.
q Supports 2 Channels SCSI.
q Supports 2xCOM (16550), 1xLPT (EPP / ECP), 1x Floppy port.
q Supports 2xUSB ports, 1xPS/2 Mouse, 1xPS/2 Keyboard.
q Licensed AWARD BIOS, 2M bits FLASH RAM.
q 30.5 cm x 26.3 cm ATX SIZE form factor, 4 layers PCB.
Network Manageability.
1-1
Page 5
6BXDU
1.3. PERFORMANCE LIST
The following performance data list is the testing results of some popular
benchmark testing programs.
These data are just referred by users, and there is no responsibility for different
testing data values gotten by users. (The different Hardware & Software
configuration will result in different benchmark testing results.)
• CPU
• DRAM(128x1)MB SDRAM (TOSHIBA TC59S6408FTL-80H)
• CACHE SIZE512 KB included in CPU
• DISPLAYGA-601 AGP Display Card (4MB SGRAM)
• STORAGEOnboard Ultra II SCSI (IBM DDRS-39130)
• O.S.Windows NT™ 4.0
• DRIVERDisplay Driver at 1024 x 768 x 64k colors x 75Hz.
Processor
Pentium II processor
Adaptec AIC-789x PCI Ultra II SCSI Driver
Intel Pentium II
300MHz(100x3)350MHz(100x3.5)
Winbench98
CPU mark32776905
FPU Winmark15401800
Business Disk20702080
Hi-End Disk48404950
Business Graphics172197
Hi-End Graphics180208
Winstone98
Business3133.8
Hi-End34.637.8
1-2
Page 6
1.4. BLOCK DIAGRAM
CPU 1
CPU 2
AGP Bus
AGP
66/100MHz
66MHz
66 / 100
MHz
IDE Bus
PCI Bus
ISA Bus
Clock Gen
Buffer
Ultra DMA/33
IDE Ports
40MHz
OSC
SCSI
CHIPSET
AIC-7896
EXT. LVD
INT. LVD
INT LVD
Ultra SCSI Port
Host Bus
INTEL
82443BX
CHIPSET
PIIX4
82371EB
CHIPSET
66/100
DRAM Bus
33
MHz
Clock Gen
48MHz
14.318MHz
USB Bus
14.318MHz
MHz
66/100MHz
I/O
CHIPSET
ITE8671
Introduction
14.318MHz
3.3V SDRAM
DIMM Sockets
USB Ports
48MHz
COM Ports
LPT Port
Floppy Port
Keyboard
PS/2 Mouse
1-3
Page 7
6BXDU
1.5. INTRODUCE THE Pentium II Processor & AGP
Figure 1:Retention Mechanism & attach Mount
Figure 2:OEM Pentium II Processor
1-4
Page 8
Introduction
Figure 3:Heatsink / FAN & Heat sink support for OEM Pentium II Processor
Figure 4:Boxed Pentium II Processor & Heat sink support
1-5
Page 9
6BXDU
1.6 What is AGP
?
The Accelerated Graphics Port (AGP) is a new port on the Host-To-PCI bridge
device that supports an AGP port. The main purpose of the AGP port is to
provide fast access to system memory.
The AGP port can be used either as fast PCI port (32-bits at 66MHz vs. 32-bits
at 33MHz) or as an AGP port which supports 2x data-rate, a read queue, and
side band addressing. When the 2x-data rate is used the port can transmit data
at 533MB/sec (66.6*2*4). The read-queue can be used to pipeline reads –
removing the effects of the reads-latency. Side band addressing can be used to
transmit the data address on a separate line in order to speed up the
transaction.
1-6
Page 10
2.SPECIFICATION
2.1. HARDWARE
Specification
• CPU
• PROTECTION
• SPEED
• DRAM MEMORY
• CACHE MEMORY
− Pentium
− 242 pins 66/100MHz slot1 on board.
− Speaker Alarm when detect "CPU FAN Failure" or
II processor 200 – 633 MHz.
“CPU Overheat” .
− Automatically slow down CPU speed when "CPU
Overheat".
− Intel LDCM
− H/W monitor power status (±5V, ±12V, VcoreA,
supported.
VcoreB, voltage & CMOS battery voltage).(Optional)
• Electricity− 4.9 V to 5.2 V. (Max. 20A current at 5V.)
2-2
Page 12
Hardware Installation
3.HARDWARE INSTALLATION
3.1. UNPACKING
The mainboard package should contain the following:
•The 6BXDU mainboard.
•The Retention Mechanism & Attach Mount
•USER'S MANUALS for mainboard & SCSI device.
•Adaptec User’ s Guide.
•Cable set for IDE, Floppy, SCSI devices.
•Diskettes and CD for Mainboard Utility.
•External LVD SCSI port adapter.
The mainboard contains sensitive electric components, which can be easily
damaged by static electricity, so the mainboard should be left in its original
packing until it is installed.
Unpacking and installation should be done on a grounded anti-static mat. The
operator should be wearing an anti static wristband, grounded at the same
point as the anti-static mat.
Inspect the mainboard carton for obvious damage. Shipping and handling may
cause damage to your board. Be sure there are no shipping and handling
damages on the board before proceeding.
After opening the mainboard carton, extract the system board and place it only
on a grounded anti-static surface component side up. Again inspect the board
for damage. Press down on all of the socket IC's to make sure that they are
properly seated. Do this only on with the board placed on a firm flat surface.
M
DO NOT APPLY POWER TO THE BOARD IF IT HAS BEEN DAMAGED.
3-1
Page 13
6BXDU
INTEL
FAN
JP1
J1
ATX PWR
3.2. MAINBOARD LAYOUT
ISA 1ISA 2ISA 3
PIIX4
J13
PCI 1PCI 2PCI 3PCI 4
AGP
JP9
BAT1
COMACOMB
CPU 2
JP6
CPU 1
6BXDU
BANK 0
BANK 1
BANK 2
BANK 3
Channel A
LVDSE
LVD
IR
System
JP11
adaptec
AIC-7896
SW
JP12
J11
Channel B
LVD
×Figure 3.1Ø
M
If you use single CPU, please install to CPU2 slot.
LPT
443BX
FLOPPY
IDE 2
IDE 1
USB
FAN
PWR2
FAN
PWR1
PS/2
3.3. QUICK REFERENCE FOR JUMPERS & CONNECTORS
t I/O Ports Connector
USBUSB port.
LVDUltra II SCSI port
SEUltra SCSI port
IDE1For Primary IDE port.
IDE2For Secondary IDE port.
PS/2For PS/2 Keyboard / Mouse port.
FloppyFor Floppy port
COM BFor Serial port2 (COM B).
COM AFor Serial port1 (COM A).
LPTFor LPT port.
t Slot 1/ Slot 2
For Pentium II processor installed
t J1 : System After Ac Back
Pin No.Function
1Signal
3-2
Page 14
Hardware Installation
2GND
t IR : INFRARED Connector (IR) --(Optional)
Pin No.Function
1IR Data Output
2GND
3IR Data Input
4Signal
5POWER (+)
t FAN PWR1/FAN PWR2: CPU cooling FAN Power Connector
Pin No.Function
1GND.
2+12V
3SENSE
t System FAN : System FAN Power Connector
Pin No.Function
1GND.
2+12V
3SENSE
t JP1 : Keyboard Power On Selection
Pin No.Function
1-2 shortEnabled Keyboard power on.
2-3 shortDisabled Keyboard power on.(Disabled)
t JP9 (SB-LINK) : For PCI Audio / Sound Card use only
Open: Normal Operation
Short: For Hardware Reset System
PIN 1 : anode (+)
PIN 2 : cathode (−)
PIN 3 : cathode (−)
P+P-P-
11
1
SPKR
3-4
H+
H−
GN
GN
Page 16
SPKR : Speaker Connector
PIN 1 : VCC
+
1
−
PIN 2 : NC
PIN 3 : NC
PIN 4 : Data
H+H−: IDE Hard Disk Active LED
1
PIN 1: LED anode (+)
PIN 2: LED cathode (−)
GN: Green Function Switch
Open : Normal operation
Short : Entering Green Mode
G−G+: Green LED
PIN 1 : LED anode (+)
1
PIN 2 : LED cathode (−)
3.4. DRAM INSTALLATION
Hardware Installation
The mainboard can be installed with 16 / 32 / 64 / 128 / 256 MB 168 pins DIMM
module DRAM. The DRAM memory system on mainboard consists of bank 0,
1, 2 & bank 3.
Since 168 pins DIMM module is 64 bits width, using 1 PCS which can match a
64 bits system. The total memory size is 16MB ~ 1 GB SDRAM. The DRAM
installation position refer to Figure 3.1, and notice the Pin 1 of DIMM module
must match with the Pin 1 of DIMM socket. Insert the DRAM DIMM module into
the DIMM socket at Vertical angle. If there is a wrong direction of Pin 1, the
DRAM DIMM module couldn't be inserted into socket completely.
3.5. CPU SPEED SETUP
The system bus speed can be set to 66MHz or 100MHz form the jumper (JP6).
The user can change the DIP SWITCH (SW) selection to set up the CPU speed
for different processors. The CPU speed must match with the frequency
RATIO and Front Side Bus (FSB) speed. It will cause system hanging up if the
3-5
Page 17
6BXDU
EXT.CLK.
3 2 1
3 2 1
3 2 1
frequency RATIO and FSB Speed do not match with the CPU.
Set system speed to 66MHz: JP6 pin 1-2 short will cause system
always run at 66 MHz FSB (Front Side Bus).
JP6
Set system speed to 100MHz: JP6 all pins open will cause system
always run at 100MHz FSB.
JP6
Set system speed to Auto: JP6 pin 2-3 short will detect system speed
66/100MHz FSB automatically.
The CPU is a sensitive electric component and it can be easily
FREQ.
RATIO
MHz
INT.CLK.
MHz
CPU Type
II 200 MHz
II 233 MHz
II 266 MHz
II 300 MHz
II 333 MHz
II 366 MHz
II 350 MHz
II 400 MHz
II 450 MHz
II 500 MHz
II 550 MHz
damaged by static electricity, so users must keep it away from metal
3-6
Page 18
Hardware Installation
surface when the CPU is installed onto main board.
3.6. CMOS RTC & ISA CFG CMOS SRAM
There're RTC & CMOS SRAM on board; they have a power supply from
external battery to keep the DATA inviolate & effective. The RTC is a REALTIME CLOCK device, which provides the DATE & TIME to system. The CMOS
SRAM is used for keeping the information of system configuration, so the
system can automatically boot OS every time. Since the lifetime of internal
battery is 5 years, the user can change a new Battery to replace old one after it
cannot work.
3.7. SPEAKER CONNECTOR INSTALLATION
There is a speaker in AT system for sound purpose. The 4 - Pins connector
SPK is used to connect speaker. Anode connects +, Cathode connects −.
3.8. HARDWARE RESET SWITCH CONNECTOR INSTALLATION
The RESET switch on panel provides users with HARDWARE RESET function.
The system will do a cold start after the RESET button is pressed and released
by user. The RESET switch is a 2 PIN connector and should be installed to
RST on main board.
3.9. POWER LED CONNECTOR INSTALLATION
System has power LED lamp on the panel of case. The power LED will light
on/off or flash to indicate which step on the system. The connector should be
connected to PWR of main board in correct direction.
3.10. IDE & ATAPI DEVICE INSTALLATION
There are two-Enhanced PCI IDE ports (IDE1, IDE2) on board, which following
ATAPI standard SPEC. Any one IDE port can connected to two ATAPI devices
(IDE Hard Disk, CD-ROM & Tape Driver), so total four ATAPI devices can exist
in a system. The HD is the active LED port for ATAPI devices.
3.11. SCSI DEVICE INSTALLATION
There are two ULTRA II SCSI channels on-board which both channel A and B
have 68-pin Ultra II SCSI ports for Ultra Wide and Ultra II SCSI devices.
Channel B has one 50-pin 8bit SCSI port for Ultra SCSI devices. Total of 30
SCSI devices (15 devices per channel) can exist within one system. The
3-7
Page 19
6BXDU
CH A
LVD
CH A
CH A
Terminator ON
termination of the channel A and channel B can be adjusted from the
Integrated Peripherals of the CMOS SETUP MENU. The termination of
channel A can be set to “Enabled” or “Disabled”. The termination of channel B
can be set to ”Both” , ”High Byte” ,“Low Byte” , or “ None” for those types of the
SCSI devices which being connected to the SCSI ports to ensure proper
functionality.
Terminator ON/OFF rules
State 1. SCSI Devices connecting to the Channel A:
CASE 1: Channel A Termination: Enabled
Channel B Termination: Both
1
CH A
Mainboard
Terminator Enabled
LVDLVD
SCSI DEVICESCSI DEVICE
15
Terminator ON
2
CH A
Mainboard
Terminator Enabled
EXT LVD SCSI Port
3
EXT. LVD SCSI
Terminator
EXT.
LVD SCSI or
Ultra wide
DEVICE
16 bit16 bit
SCSI DEVICESCSI DEVICE
15
Terminator OFF
Terminator ON
Mainboard
Terminator Enabled
CH A
3-8
To boot from EXT.SCSI device,
please press <Ctrl> <A> for
SCSISelect Utility and set the
Advanced configuration
option/ Support Removable
Disks Under BIOS as Fixed
Disks to “All Disks”.
Page 20
CASE 2: Channel A : Disabled
Channel B : Both
1
LVD
SCSI DEVICE
LVD Terminator ON
2
LVD SCSI
Terminator
EXT.
LVD SCSI
or Ultra wide
DEVICE
Terminator ON
3
16 bit
SCSI DEVICE
LVD
SCSI DEVICE
8
CH A Terminator Disable
EXT LVD SCSI Port
CH A Terminator Disable
16 bit
SCSI DEVICE
CH A
Mainboard
Mainboard
CH A
CH A
LVD
SCSI DEVICE
LVD
SCSI DEVICE
16 bit
SCSI DEVICE
Hardware Installation
LVD
SCSI DEVICE
7
14
LVD
Terminator ON
LVD
SCSI DEVICE
LVD
Terminator ON
16 bit
SCSI DEVICE
Terminator ON
4
SCSI DEVICE
Terminator ON
16 bit
Mainboard
8
Terminator OFFTerminator OFF
16 bit
SCSI DEVICE
8
Terminator OFFTerminator OFF
CH A
Terminator Disable
CH A
Mainboard
CH A
Terminator Disable
SCSI DEVICE
3-9
LVD
7
Terminator ON
SCSI DEVICE
7
LVD
Terminator ON
Page 21
6BXDU
CH B
LVD
Terminator ON
Terminator OFF
Terminator ON
Terminator ON
Terminator OFF
Terminator ON
CH B
Terminator ON
State 2. SCSI Devices connecting to the Channel B:
CASE 1: Channel A: Enabled
Channel B: Both
1
CH B
Mainboard
Terminator ON
2
CH B
LVDLVD
SCSI DEVICESCSI DEVICE
16 bit
SCSI DEVICE
15
Terminator ON
16 bit
SCSI DEVICE
Mainboard
3
CH B
Mainboard
EXT LVD SCSI Port
4
EXT. LVD SCSI
Terminator
EXT.
LVD SCSI or
Ultra wide
DEVICE
8 bit
SCSI DEVICE
15
7
Terminator ON
8 bit
SCSI DEVICE
CH B
Mainboard
3-10
Page 22
EXT SCSI Port
CH B
Terminator ON
5
EXT. SCSI
Terminator
EXT. 8bit
SCSI
DEVICE
Terminator ON
CASE 2: Channel A: Enabled
Channel B: High Byte
1
LVD
SCSI DEVICE
LVD
Terminator ON
2
16 bit
SCSI DEVICE
LVD
SCSI DEVICE
Mainboard
8
High byte Terminator ON
16 bit
SCSI DEVICE
Mainboard
CH B
CH B
CH B
CH B
8 bit
SCSI DEVICE
Terminator OFFTerminator ON
8 bit
SCSI DEVICE
Hardware Installation
8 bit
SCSI DEVICE
7
8 bit
SCSI DEVICE
Mainboard
8
Terminator OFFTerminator ON
CH B
High byte Terminator ON
Terminator OFFTerminator ON
7
3-11
Page 23
6BXDU
3
EXT.
LVD SCSI or
Ultra wide
DEVICE
Terminator ON
4
EXT.
8bit SCSI
DEVICE
Terminator ON
5
EXT.
8bit SCSI
DEVICE
Terminator ON
LVD SCSI
Terminator
EXT SCSI
Terminator
EXT SCSI
Terminator
EXT LVD SCSI Port
Mainboard
CH B High Byte Terminator ON
EXT SCSI Port
Mainboard
CH B High Byte Terminator ON
EXT SCSI Port
Mainboard
CH B High Byte Terminator ON
CH B
CH B
CH B
8 bit
SCSI DEVICE
Terminator OFF
16 bit
SCSI DEVICE
Terminator OFF
LVD
SCSI DEVICE
SCSI DEVICE
7
SCSI DEVICE
14
SCSI DEVICE
14
8 bit
Terminator ON
16 bit
Terminator ON
LVD
Terminator ON
Adaptec 78xx Family Driver Installation for Windows NT CDROM
Boot
Installing Windows NT V4.0
The following instructions explain how to install the Adaptec 7800
Family Manager, while installing Windows NT V4.0 from CDROM Boot.
1. Start your system with the Windows NT Boot CD in the CDROM
drive.
2. During the initial stages of the boot process as soon as you see
blue screen of "Windows NT Setup" then press F6.
3. Press S again to specify an additional device.
3-12
Page 24
Hardware Installation
4. Select "Other" and feed it the Adaptec 7800 Family Manager
diskette for WinNT 3.5x, 4.0/d2.11 then press Enter.
5. For Ultra2 host adapters(AIC-7890/AIC-7896), Select the
"Adaptec AHA-294xU2/295xU2/AIC-789X PCI Ultra2 SCSI
Controller(NT 4.0)" and press ENTER.
6. Then follow the normal Windows NT installation procedure to
complete the setup processor.
3.12. PERIPHERAL DEVICE INSTALLATION
After the I/O device installation and jumpers setup, the mainboard can be
mounted into the case and fixed by screw. To complete the mainboard
installation, the peripheral device could be installed now. The basic system
needs a display interface card. If the PCI - Bus device is to be installed in the
system, any one of four PCI - Bus slots can be used.
3.13. KEYBOARD & PS/2 MOUSE INSTALLATION
The main board supports PS/2 Mouse (J1). The BIOS will auto detect whether
the PS/2 Mouse is installed or not & assign IRQ12 for PS/2 Mouse port if it is
installed. After installing the peripheral device, the user should check
everything again, and prepare to power-on the system.
3-13
Page 25
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