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®
WinFast
or brand names mentioned herein are trademarks or registered trademarks of
their respective owners.
is a registered trademark of Leadtek Research Inc. Other trademarks
WinFast K7N415DA/420DA is a compelling Desktop solution as a Socket
A/AMD Athlon, Athlon XP, Athlon, and Duron-based ATX motherboard
WinFast K7N415DA/420DA, integrating nForce 415D/420D chipset, supports the
AMD Athlon processor whose performance is bound to exceed expectation of
both consumer and corporate users alike. The WinFast K7N415DA/420DA also
supports a 200/266 MHz system bus, PC2100 and PC2700 DDR memories, and
the latest graphics devices through the AGP 2.0 4X interface; and allows a direct
connection to the graphics and memory for faster access to peripherals. An
DVI/TV interface is multiplexed with the AGP bus and can be used to drive DVI
compatible flat panel displays, projectors, and digital CRTs and TV monitors.
The Dolby
process and output a Dolby Digital audio stream directly to a home theater
system via a S/P DIF interface.
WinFast K7N415DA/420DA offers innovative design, support for high-volume
DDR memory, and configuration options that optimize performance and provide a
robust, mainstream platform.
1.1 Package Content
Digital Interactive Content encoder is also integrated that can also
Accessories:
y6X Sound module (with SPDIF
output) x 1
y 14-pin Flat Cable x 1
y Ultra ATA 66/100 IDE cable x 1
y FDD cable x 1
y This user’s manual
y USB module and cable (optional)
y TV-out add-on card (optional)
Motherboard & SCSI Software Pack CD:
y Chipset Driver
y 6X Sound audio driver
y IDE driver
y LAN driver
y AWARD flash utility
y User’s manual
y Technical support request form
1
1.2 Specifications
CPU Support
♦ AMD Athlon/Athlon XP/Duron
processors at 2100+ MHz with
Socket A support
Chip Set
♦ nVIDIA nForce420D/nForce415D
- Built-in IGP-128 GPU
- 200/266 MHz FSB support
- Dual channel memory
architecture with 128Bit DDR
memory controller
AGP1 AGP slot
BAT1 Battery
CN1, CN2, CN3 Line Out, Line In, Mic In ports
COM1, COM2 COM1, COM2 connectors
DIMM1-3 Memory module connectors
FAN1 CPU fan connector
FAN2 VGA fan connector
FAN3 System fan connector
FLP1 Floppy disk connector
FP1, FP2 Case Signal Connector: PWRBTN, RESET, KEY LOCK,
SPEAKER, HDD_LED, POWER_LED, ACPILED
GAME1 Game port
IDE1/IDE2 Hard disk connectors (Primary IDE/Secondary IDE)
IR1, CIR1 IR and CIR connectors
J1 Smart Card connector
J2 Wake on modem
J3 Wake on LAN
J4, J5 CD input connector
J6 AUX input connector
J7 Clear CMOS data
J8 Intruder alert
J9 SPDIF connector
J10 ACR slot
JP2 CPU frequency selection
JP3 Voice alert language selection
JP4 Audio connector
JP5 Center/Bass conversion
JP7 USB module selection
JP8 Audio front panel header
KYB1 PS2 keyboard and mouse ports
PCI1-PCI4 PCI slot
PNR1 Printer port
PWR1 ATX power connector
UL1 USB ports and 10/100 LAN connector
USB1, USB2 USB module connector, providing 4 additional USB ports
VGA1 VGA connector
4
2.3 Jumper Settings
Clear CMOS Data
Jumper Setting
J7
CPU/FSB Frequency
Jumper Frequency Setting
JP2
Center/Bass Convert
Jumper Setting
Clear CMOS
Normal (Default)
133 MHz
100 MHz (Default)
Normal (Default)
JP5
Inverse
2nd USB of USB2 Pin Header Selection
Jumper Setting
USB2 (Default)
JP7
ACR Slot
5
3. Hardware Setup
Static Precautions
Static discharge can damage electronic components. To prevent that, it is
important to handle it carefully. The following measures will suffice your
equipment from static.
y Use a grounded wrist strap designed for static discharge.
y Touch a grounded metal object before you remove the board from the
anti-static bag.
yHandle the board by its edges only; do not touch its components, peripheral
chips, memory modules, or gold contacts. Do not touch pins on chips or
modules.
yPut the system board and peripherals back in anti-static bags when they are
not in use.
yFor grounding purposes, be sure your computer chassis provides excellent
conductivity between its power supply, case, the mounting fasteners, and the
system board.
3.1 CPU Installation
Please refer to the instruction manual of the CPU for how to install the CPU.
3.2 Memory Installation
The motherboard provides three 184-pin DIMM (Double In-Line Memory Module)
sockets, DIMM1, DIMM2, and DIMM3. You can use DDR RAM from 8MB, 16MB,
32MB, 64MB, 128MB, 256MB to 512MB per DIMM socket.
IF you choose DDR200 in the Memory Frequency option in BIOS, you must use
the qualified DDR SDRAM that meets PC2100 specifications.
IF you choose DDR266 in the Memory Frequency option in BIOS, you must use
the qualified DDR SDRAM that meets PC2700 specifications.
DIMM Installation Procedures
The DIMM slot has two keys marked
“VOLT” and “DRAM”, thus making the
module only fit in one direction. Note
that the module must be a 2.5V
unbuffered DIMM.
Step 1: Insert the module vertically into
the DIMM socket, and then
push it in.
Step 2: The plastic clip at the side of the DIMM socket will automatically close.
6
3.3 AGP Display Adapter Installation
The AGP slot on WinFast K7N415DA/420DA supports only 1.5V 4X AGP device.
To install an AGP display adapter, follow these steps:
Step 1: Push the clip at the end of AGP slot.
Step 2: Position the AGP card over the AGP slot. Do
not tilt the card. Insert the bus connector in the
slot and gently press the bus connector down.
Step 3: Push the clip back to close it.
Step 1
Step 2
Step 3
3.4 Connecting Instructions
How each connector is connected and what it does is described here in detail.
See Chapter 2 to locate connectors.
Case Signal Connectors (FP1 & FP2)
FP1:
yPins [1 & 3] IDE-LED: IDE hard disk LED shows the
activity of a hard disk drive.
yPins [2 & 4] ACPI-LED: For ACPI LED connection
on the case.
yPins [5 & 7] RESET: Connects to the reset button
on the case. The reset button is used to “cold-boot”
the system without actually turning off the power,
reducing wear and tear on the power supply. Avoid
rebooting the system when the HDD LED is blinking.
yPins [6 & 8] PW_SW: Allows connecting to the
power button on the case.
FP2:
yPins [1 & 3] KEYLOCK: Keyboard lock switch lead. It connects to the
case-mounted keylock switch, allowing you to disable the keyboard function for
security purpose.
y Pins [5 & 7 & 9] PW-LED: Power LED. Always lit when system power is on.
y Pins [2 & 4 & 6 & 8] SPEAKER: Connects to the speaker on system’s case.
7
Hard Disk Connector
The on-board Enhanced IDE controller can support up to 4 IDE hard
drives or other ATAPI devices, such as CD-ROMs. This controller, as
with all Enhanced IDE controllers, consists of both Primary (IDE 1)
and Secondary (IDE 2) ports. Each port has an associated connector
and cable, which can support up to 2 ATAPI devices each.
All IDE devices have jumpers, which allow the user to configure the
device as either “Master” or “Slave”. A Master device is one that is
ALONE on the IDE cable, whereas a Slave device is installed as a
SECOND device on the same cable. Keep in mind that the Master
device will appear before the Slave device in the CMOS Setup, as
well as the
Operating
System
Mainboard IDE Port
Slave Drive
Master Drive
software. *Refer
to the device
documentation
for jumper
settings.
The Secondary
Blue
Connector
Gray
Connector
Black
Connector
IDE port can be used for up to 2 additional ATAPI devices. Normally it’s
recommended that you connect your first hard drive to the Primary port, and the
first CD-ROM to the Secondary.
Make sure to align the RED stripe on the ribbon cable with Pin-1 on the
motherboard IDE connector. On most hard drives and CD-ROMs, the RED stripe
should be oriented towards the power connector of the device.
When using Ultra ATA 66/100 IDE cable (as shown above), the black color
connector on the cable is for Master drive, gray color is for Slave drive and blue
color is for connecting to IDE port onboard.
Floppy Disk Connector (FLP1)
The on-board floppy controller supports 2 floppy disk
drives. Make sure the RED stripe on the ribbon cable
is oriented towards Pin-1. Notice the “twist” between
the sets of connectors on the floppy cable. The
floppy drive “A” position is at the END of the cable,
whereas floppy drive “B” is hooked to one of the
connectors on the other side of the twist.
RJ45 Ethernet Connector and USB Connectors (UL1)
RJ45 LAN connector and two USB peripheral devices
connectors.
8
Cooling Fans (FAN1, FAN2, FAN3)
CPU fan (FAN1), AGP fan (FAN2), and system fan
(FAN3) are small 3-pin Header Connectors that
provide 12-Volt power for CPU fan, power fan, and
system fan. Plug in the fan cable to the connector.
Stereo Audio/Video In Connectors
(J4, J5, J6)
J4 and J5 allows you to receive stereo
audio input from internal CD ROM
drives. J6 is for connecting other
auxiliary audio sources.
Power Supply Connector (PWR1)
This motherboard features an ATX-style Power Supply
Connector. This connector is keyed to prevent connection
in the wrong direction. Line up the locking mechanism on
the connector from the Power Supply with the tab on the
motherboard connector. Press down until the two
connectors are locked.
Serial, Parallel and VGA Ports
A 25-pin D-Sub
header is
provided on the
back panel for
a multi-mode
bi-directional
parallel port.
For
K7N415DA,
two 9-pin
D-Sub headers
are provided on the back panel for serial port COM1 and COM2. For K7N
420DA, there is one 9-pin D-Sub header for serial port COM1, as well as one
VGA port for monitor connection.
The IrDA connector brackets hook directly to these
connectors on the motherboard. These connectors provide
support for the optional wireless transmitting and receiving
infrared module. CIR1 connector is for CIR; IR1 connector is
for IR.
9
Midi/Joystick, MIC, Line In, Line Out
yMidi/Joystick: Allow you to connect game joystick or
game pad for playing games or connect Midi devices for
playing or editing audio.
yMic: Allows microphones to be connected for inputting
sound.
yLine In: Allows tape players or other audio sources to be
Line Out
recorded by your computer or played through the Line
Out.
yLine Out: Connected to headphones or speakers with amplifier.
PS/2 Keyboard and Mouse Connector (KYB1)
These two connectors are located on the back panel of the
motherboard.
USB Connectors (USB1 & USB2)
Each of these connectors is for connecting an optional USB
module to provide two additional USB connectors.
Game Port
(Lime)
(Light Blue)
(Gol d)
Line In
MIC
(Pink)
Audio Connector (JP4)
JP4 is for connecting to the sound module that comes with the package. See the
following figure for how to connect the sound module.
10
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