Update Your System BIOS .................................. B-1
Components Checklist
99
9A.(1)One mainboard
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99
9B.(1)One users manual
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99
9C.(1)Floppy ribbon cable
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99
9D.(1)ATA-66 IDE ribbon cable
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9E.(1)COM Port Connector
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9F.(1)Driver and utility
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Introduction
Section 1
INTRODUCTION
USERS
MANUAL
B
A
or
F
C
D
E
Page 1-1
Introduction
Mainboard Form Factor
The board is designed with MicroATX form factor - the new industry standard of
chassis. The MicroATX form factor is essentially a Baby-AT baseboard rotated 90
degrees within the chassis enclosure and a new mounting configuration for the
power supply. With these changes the processor is relocated away from the
expansion slots, allowing them all to hold full length add-in cards. MicroATX
defines a double height aperture to the rear of the chassis which can be used to
host a wide range of onboard I/O. Only the size and position of this aperture is
defined, allowing PC manufacturers to add new I/O features (e.g.; TV input, TV
output, joystick, modem, LAN, etc.) to systems. This will help systems integrators differentiate their products in the marketplace, and better meet your needs.
Smaller size promotes a smaller system size.
I/O shield does not need to be retooled in an ATX 2.01 or later. Mainboard
could be used in an ATX 2.01-compliant.
A smaller power supply cam be used. High integration on mainboard reduces
the system costs.
PCI slots
Floppy / IDE
connectors
Page 1-2
Expandable I/O
Micro
ATX
Power
Supply
3 1/2"
Bay
Figure 2: Summary of Micro ATX chassis features
5 1/4"
Bay
Single chassis
fan for
system
CPU located near
Power Supply
ATX power
connector
Introduction
I/O Shield Connector
The board is equipped with an I/O back panel.Please use the appropriate I/O shield
(figure 3).
parallel port
Joystick/Midi
PS/2 Mouse
PS/2
KEYBOARD
USB port
COM1VGA1
Figure 3
Speaker
Line_in
MIC
Power-On/Off (Remote)
The board has a single 20-pin connector for ATX power supplies. For ATX power
supplies that support the Remote On/Off feature, this should be connected to the
systems front panel for system Power On/Off button. The systems power On/Off
button should be a momentary button that is normally open.
The board has been designed with Soft Off" functions. You can turn Off the
system from one of two sources: The first is the front panel Power On/Off
button, and the other is the "Soft Off" function (coming from the onboard circuit
controller) that can be controlled by the operating system such asWindows® 95/
98/SE/ME or Windows®2000.
J3
Case (chassis) Power
ON/OFF button
ATX
POWER SUPPLY
Figure 4: Simple ATX Power
ON/OFF Controller
Page 1-3
Introduction
System Block Diagram
socket 7
Processor
100/66 MHz
CRT
PAC
PCI Bridge
and memory
controller
VT8501
USB 0USB 1
VT82C686A
I/O Bridge
100/66 MHz
AC97
CODEC
AMR Slot
~
~
~
Page 1-4
Figure 5: System Block Diagram
Mainboard Features:
PROCESSOR
- Socket 7 CPUs: Operating at 166-550MHz
- AMD K6-2/III, Cyrix M II, Idt C6 / Winchip2 and Rise mP6 series
- Intel Pentium ®/Pentium ® Processor with MMX
CHIPSET
- VIA Apollo MVP4 AGPset (VT8501 + VT82C686A)
DRAM MODULE
- 168pin DIMM x 2 for PC100 Memory
- DRAM Size: 32MB to 256MB
TM
.A=JKHAI
Section 2
FEATURES
Technology,
EXPANSION SLOT
- PCI x 2
- AMR Slot x 1
ONBOARD I/O
- On-Chip Multi I/O integrated with K/B, mouse, FDD, Parallel and Serial,
Fast IR and Power-ON controllers
ONBOARD PCI / IDE
- PCI Bus IDE Port with PIO /Ultra DMA-66x 2 (Up to 4 Devices)
I/O CONNECTOR
- PS/2 Mouse and PS/2 style Keyboard
Page 2-1
.A=JKHAI
USB
- USB connector x 4 (2 for Opt.)
BIOS
- Award Plug & Play BIOS
Built-in AC97 Digital Audio (by VT82C686A)
- Dual full-duplex Direct Sound channels
- H/W Sound Blaster Pro for DOS legacy compatibility
- FM synthesis for legacy compatibility
- Supports game and MIDI port
Built-in Trident AGP Core
EXTENDED FUNCTION
- Supports exclusive USDM(Unified System Diagnostic Manager) and
Hardware Monitoring Function by VT82C686A
- Supports exclusive KBPO(KeyBoard Power On)
- Supports CPU Clock setting via DIP Switch
- Supports Wake-On-LAN Function
FORM FACTOR
- 235mm x 180mm Micro ATX Size
Page 2-2
INSTALLATION
Mainboard Detailed Layout
Installation
Section 3
Figure 1
Page 3-1
Installation
Easy Installation Procedure
The following must be completed before powering on your new system:
3-1.CPU Insertion
3-2.Jumper Settings
3-3.System memory Configuration
3-4.Device Connectors
Section 3-1
CPU Insertion
CPU Insertion
Step 1
Open the socket by raising the actuation
lever.
Page 3-2
Figure 2
Figure 3
Step 2
Insert the processor.
Ensure proper pin 1 orientation by aligning
the FC-PGA corner marking with the
socket corner closest to the actuation arm
tip. The pin field is keyed to prevent misoriented insertion.
Dont force processor into socket. If it does
not go in easily, check for mis-orientation and
debris. Make sure the processor is fully inserted into the socket on all sides.
Installation
Step 3
Close the socket by lowering and
locking the actuation lever.
Figure 4
Note: Intels reference design thermal solution is an active heatsink; an extruded alumi-
num heatsink based and a fan attached to the top on the fin array. (See Figure 5)
Figure 5
Page 3-3
Installation
Section 3-2
Jumper Settings
JP2: CPU Vcore Voltage Selection
1.8V
2.0V
2.1V
2.2V
2.4V
2.8V
2.9V
3.2V
189
16
2PJerocVUPC
9-1V8.1
01-2V0.2
11-3V1.2
21-4V2.2
31-5V4.2
41-6V8.2
51-7V9.2
61-8V2.3
SW1: CPU Speed Selection
1WS
123 4
NOzHM66
NONOzHM38
NONOzHM09
NONOzHM59
NONONOzHM001
NONONOzHM501
NONONOzHM511
1WS
567
NOX2
NONOX5.2
NOX3
NONOX4
NONONOX5.4
NONOX533.2
NOX5.566.2
NOzHM57
UPC
X5.3
suB
kcolC
reilpitluM
6CTDI/xiryC/DMA
UPC
reilpitluM
2pihCniWTDI
Page 3-4
Installation
+276OFA59
Pentium/MMX
AMD K6/K6-2/K6III
IDT-C6
166MHzPR200ONON ON66MHz
250MHzPR366300MHz*PR366ON ON ONON ON100MHz
200MHzPR266200MHzONON66MHz
250MHzPR333266MhzONO NON83MHz
300MHz*PR433*PR400ON ON ONON100MHz
233MHzPR300233MHzON66MHz
333MHz*PR466*PR433ON ON95MHz
350MHz*PR500*PR466ON ON ON100MHz
266MHz*PR333266MHzONONON 66MHz
333MHz*PR466ONONONON 83MHz
380MHz*PR533ON ONONON 95MHz
400MHz*PR550ON ON ONONON 100MHz
300MHzONON ON ON 66MHz
450MHzON ON ONON ON ON 100MHz
333MHzONON ON 66MHz
*500MHz266MHzON ON ONON O N 100MHz
366MHzONON 66MHz
*550MHz300MHzON ON ONON 100MHz
Cyrix /IBM
6x86MX/MII
PR233ON ON ON75MHz
PR266233MHzONONON ON83M Hz
PR300*PR333ON ONON ON95MHz
PR300225MHzONO N75MHz
PR400*PR380ON ONON95MHz
PR333ON75MHz
*PR400ONON83MHz
*PR400ON ONON 75MHz
IDT Winchip 2Rise MP6
1234567
CPU
Bus
Clock
CPU
Multiplier
2.5X
3X
3.5X
4X
4.5X
5X475MHzON ONON ON 95MHz
5.5X
Page 3-5
Installation
Section 3-3
System Memory Configuration
Memory Layout
The board supports (2) PC100 168-pin DIMMs (Dual In-line Memory Module).
The DIMMs is for SDRAM (Synchronous DRAM) .
DIMM SDRAM may be 83MHz (12ns), 100MHz (10ns),
125MHz (8ns) bus speed.
If you use both 50ns and 60ns memory you must configure
your BIOS to read 60ns.
When using Synchronous DRAM we recommend using the
4 clock variety over the 2 clock.
Figure 6 and Table 1 show several possible memory configuration.
DIMM 1
DIMM 2
Bank 0/1
Bank 2/3
-Synchronous
DRAM
Figure 6
yromeMlatoT
BM652=
mumixaM
BM215=
mumixaM
1MMID
)1/0knaB(
*MARDS
1XBM652
*MARDS
1XBM652
,BM821,BM46,BM23
,BM821,BM46,BM23
enoN
2MMID
)3/2knaB(
*MARDS
,BM821,BM46,BM23
1XBM652
Table 1
* SDRAM supports 32, 64, 128, 256MB DIMM modules.
* We recommend to use PC100 Memory Module for bus speed between
66MHz and 100MHz.
* Using non-compliant memory with higher bus speed (over clocking) may
severely compromise the integrity of the system.
Page 3-6
Installation
DIMM Module Installation
Figure 7 displays the notch marks and what they should look like on your DIMM
memory module.
DIMMs have 168-pins and two notches that will match with the onboard DIMM
socket. DIMM modules are installed by placing the chip firmly into the socket at a
90 degree angle and pressing straight down (figure 8) until it fits tightly into the
DIMM socket (figure 9).
LEFT KEY ZONE
(UNBUFFERED)
DIMM Module clip before installation
DIMM Module clip after installation
To remove the DIMM module simply press down both of the white clips on
either side and the module will be released from the socket.
CENTER KEY ZONE
(3.3 V DRAM)
Figure 7
Figure 8
Figure 9
Page 3-7
Installation
Section 3-4
Device Connectors
parallel port
Joystick/Midi
PS/2 Mouse
PS/2
KEYBOARD
USB port
COM1VGA1
Speaker
Line_in
MIC
J4
J4/J6: CPU/Chassis Fan
A plug-in for the CPU/Chassis Fan Power
CPU Fan
GND
J6
+12V
Rotation
Chassis Fan
GND
+12V
Rotation
Page 3-8
J7: WOL (Wake On LAN) Connector
Reserved for NIC (Network Interface Card) to
wake the system.
+5V Standby
GND
PME
COM2
FDD1: Floppy Controller Connector (Black color)
IDE1: Ultra ATA-66 Primary IDE Connector
(White color)
IDE2: Ultra ATA-66 Secondary IDE Connector
(White color)
PW1
PW1:ATX Power Connector
20-pin power connector
COM2: RS232 COM2 Connector
Installation
CD1
MODEM1
CD1: CD Audio_IN Connector
CD_IN_Right
CD_Reference
CD_IN_Left
1
MODEM1: Telephony Connector for Modem audio
output
CD_IN_Left
CD_IN_Right
GND
1
Page 3-9
Installation
J3
Power On/Off
(This is connected to the power button on the
case. Using the Soft-Off by Pwr-BTTN feature,
you can choose either Instant Off (turns
system off immediately), or 4 sec delay (you
need to push the button down for 4 seconds
before the system turns off). When the system
is in 4 sec delay mode, suspend mode is
enabled by pushing the button momentarily.)
Turbo LED indicator
LED ON when higher speed is selected
IDE LED indicator
LED ON when Onboard PCI IDE Hard disks is
activate
IR Connector
1. VCC4. GND
2. NC5. IRTX
3. IRRX
J2
Page 3-10
Power LED
Power LED connector
1. Power LED(+)4. NC
2. N/C5. GND
3. GND
Speaker
Connect to the system's speaker for beeping
1. Speaker3. GND
2. N/C4. GND
Reset
Closed to restart system.
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