Chapter 2
Hardware Installation
This chapter gives you a step-by-step procedure on how to install your system.
Follow each section accordingly.
2.1 ESD Precautions
Electrostatic discharge (ESD) can damage your processor, disk drives,
expansion boards, and other components. Always observe the following
precautions before you install a system component.
1. Do not remove a component from its protective packaging until you are
ready to install it.
2. Wear a wrist ground strap and attach it to a metal part of the system unit
before handling a component. If a wrist strap is not available, maintain
contact with the system unit throughout any procedure requiring ESD
protection.
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Hardware Installation
2.2 Jumper and Connector Locations
The following figure shows the locations of the jumpers and connectors on the
system board:
CN1: COM1 connector CN10: IDE1 connector
CN2: Power connector CN12: IR connector
CN3: ATX power connector CN13: HDD LED connector
CN5: Two-pin fan connector CN14: USB connector
CN6: Floppy drive connector CN15: Multifunction connector
CN9: IDE2 connector
2-2
2.3 Setting the Jumper
Set a jumper as follows:
• To open a jumper, remove the
jumper cap.
Hardware Installation
• To close a jumper, insert the plastic
jumper cap over two pins of a
jumper.
The conventions in the figure are used to
represent the proper jumper settings.
Open
Closed
-
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Hardware Installation
2.4 Installing a Microprocessor
The motherboard comes with a zero-insertion force (ZIF) microprocessor
socket that allows you to install a CPU without using any tool.
Follow these steps to install a CPU into a ZIF-type CPU socket:
Make sure that the system power is OFF before
installing a component.
1. Locate the CPU socket on the
system board and pull up the socket
lever.
Hole 1
2. Gently insert the CPU. Make sure
that pin 1 of the CPU aligns with
hole 1 of the socket. The notched
corner on the CPU indicates the
location of pin 1.
3. Pull down the socket lever to lock
the CPU into the socket.
2-4
Pin 1 indicator
4. Attach the heatsink and fan to the
)
CPU.
5. Plug the fan cable to the two-pin
fan connector onboard. The fan
connector is marked CN5 on the
system board.
Hardware Installation
GND
GND
2-pin fan power connector (J2
2-5
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6. Set jumpers JP2, JP3, JP4, JP5, and JP8 according to the CPU type and
frequency in use.
2-6
7. If you are using a CPU that
supports a different core voltage
rating, reset jumper JP3. Refer
to the figure for the correct
jumper settings.
Hardware Installation
Voltage JP3
3.52V
3.43V
2.9V
2.8V
2.7V
2.5V
2-7
Hardware Installation
2.5 Upgrading the Microprocessor
To upgrade a CPU:
1. Turn off the system power and remove the housing cover.
2. Locate the CPU socket on the system board.
3. Pull up the socket lever.
4. Remove the installed CPU, if any.
5. Install the upgrade CPU. Refer to section 2.4 for instructions on how to
install a CPU.
2-8
Hardware Installation
2.6 Configuring the System Memory
The system board has four 72-pin SIMM sockets that allow you to expand the
system memory to 512 MB. The SIMM sockets accept single-density and
double-density SIMMs with 60-ns or 70-ns DRAM speed. See the figure in
section 2.2 for the location of the SIMM sockets.
The following table lists the possible SIMM configurations:
Memory Configurations
SIMM
1
2 MB 2 MB 4 MB
2 MB 2 MB 2 MB 2 MB 8 MB
4 MB 4 MB 8 MB
2 MB 2 MB 4 MB 4 MB 12 MB
4 MB 4 MB 4 MB 4 MB 16 MB
8 MB 8 MB 16 MB
2 MB 2 MB 8 MB 8 MB 20 MB
4 MB 4 MB 8 MB 8 MB 24 MB
8 MB 8 MB 8 MB 8 MB 32 MB
16 MB 16 MB 32 MB
2 MB 2 MB 16 MB 16 MB 36 MB
4 MB 4 MB 16 MB 16 MB 40 MB
8 MB 8 MB 16 MB 16 MB 48 MB
16 MB 16 MB 16 MB 16 MB 64 MB
32 MB 32 MB 64 MB
2 MB 2 MB 32 MB 32 MB 68 MB
4 MB 4 MB 32 MB 32 MB 72 MB
8 MB 8 MB 32 MB 32 MB 80 MB
16 MB 16 MB 32 MB 32 MB 96 MB
32 MB 32 MB 32 MB 32 MB 128 MB
64 MB 64 MB 128 MB
SIMM
2
SIMM
3
SIMM4Total Memory
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Hardware Installation
Memory Configurations (continued)
SIMM
1
4 MB 4 MB 64 MB 64 MB 136 MB
8 MB 8 MB 64 MB 64 MB 144 MB
16 MB 16 MB 64 MB 64 MB 160 MB
64 MB 64 MB 64 MB 64 MB 256 MB
128 MB 128 MB 256 MB
4 MB 4 MB 128 MB 128 MB 264 MB
8 MB 8 MB 128 MB 128 MB 272 MB
16 MB 16 MB 128 MB 128 MB 288 MB
32 MB 32 MB 128 MB 128 MB 320 MB
64 MB 64 MB 128 MB 128 MB 384 MB
128 MB 128 MB 128 MB 128 MB 512 MB
SIMM
2
SIMM
3
SIMM4Total Memory
2.6.1 Installing a SIMM
Observe the ESD precautions when installing
components.
Follow these steps to install a SIMM:
1. Slip a SIMM at a 45° angle into a
socket. If the SIMM does not
completely fit into the socket,
reverse the SIMM orientation. The
SIMM has a curved edge indicating
pin 1 that ensures installation in
one direction only.
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curved edge
Be careful when inserting or removing SIMMs.
Forcing a SIMM in or out of a socket can
damage the socket or the SIMM (or both).
2. Gently push the SIMM up until the
pegs of the socket slip into the
holes on the SIMM and the holding
clips lock the SIMM into a vertical
position.
The SIMM should be at a 90° angle when
installed.
2.6.2 Removing a SIMM
To remove a SIMM:
Hardware Installation
1. Press the holding clips on both
sides of the SIMM outward to
release it.
2. Press the SIMM downward to
about a 45° angle.
3. Gently pull the SIMM out of the
socket.
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Hardware Installation
2.7 Customizing your Hardware Setup
You may customize your hardware setup according to the desired system
performance. However, doing so requires resetting of several jumpers. The
onboard jumpers are normally set to its default setting. See the figure in
section 2.2 for the location of the jumpers on the system board.
The following sections tell how to configure the system board to meet the
desired performance:
2.7.1 Enabling the ATX Power Supply
The AX53 board comes with two power
connectors to support both PS/2 and
ATX power supplies. To use an ATX
power supply, set the jumper JP1 to 2-3.
To switch to PS/2 power supply, reset
JP1 to 1-2.
2.7.2 Selecting the Cache Size
The AX53 supports 256-KB and 512KB pipelined-burst cache. If your board
comes with a 256-KB onboard cache,
JP7 is preset by the manufacturer to 1-2.
To upgrade your cache to 512 KB via
cache upgrade socket, change the setting
of JP7 to 2-3.
If your board comes with a 256-KB
pipelined-burst cache, JP7 presetting is
2-3.
ATX Power Supply JP1
Power OFF
Power ON
(default)
JP7
256-KB
512-KB
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Hardware Installation
2.7.3 Selecting the Cache Module Type
The onboard cache upgrade socket
allows you to upgrade your cache from
256 KB to 512 KB. This cache socket
accepts 256-KB cache module with or
Module without Tag
without Tag RAM. If you install a cache
module without Tag, set JP16 to 1-2. If
you install a module without Tag, set
Module with Tag (default)
JP16 to 2-3.
2.7.4 Disabling the Onboard Super I/O Controller
The board is preset by the manufacturer
with the onboard I/O controller enabled.
In case you wish to use an external I/O
controller, you need to disable the
onboard I/O before the external I/O card
functions. To disable, you need to reset
jumper JP12 to 2-3.
Enabled
(default)
Disabled
JP12
JP16
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Hardware Installation
2.7.5 Disabling the PS/2 Mouse Function
The PS/2 mouse function is normally
enabled and occupies IRQ12. To
reassign IRQ12 to another function, you
need to disable the PS/2 mouse function
by opening jumper JP14 and changing
the BIOS setup. For detailed
information on BIOS, see Chapter 3.
2.7.6 Setting the Keyboard Clock
Enabled
(default)
Disabled
JP14
The jumper JP15 enables you to set the
keyboard clock. The clock selections
are ISA clock and 12 MHz. Set JP15 to
1-2 to select the ISA clock. Reset it to
3-4 to set the keyboard clock to 12 MHz.
JP15
ISA clock
(default)
12 MHz
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Hardware Installation
2.7.7 Clearing the CMOS
You need to clear the CMOS if you
forget your system password. To do
this, shut off the system power and short
pins 2-3 of JP9 for a few seconds. Reset
the jumper to normal setting by shorting
pins 1-2. Enter Setup to specify a new
password.
Normal
(default)
Clear CMOS
2.8 Upgrading the Second-level Cache
Observe ESD precautions when installing
components.
JP9
The system board comes with either 256KB pipelined-burst second-level cache
and a cache upgrade socket, or 512-KB
pipelined burst cache. The cache
upgrade socket accepts a 256-KB
pipelined-burst cache module; therefore,
allowing you to to upgrade the secondlevel cache to 512 KB. See Figure 1-1
for the location of the cache upgrade
socket.
To upgrade, simply insert the cache
module into the cache socket.
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Hardware Installation
2.9 Installing the System Board
Make sure that you have already installed the
system board components like the CPU and
memory, and have set the appropriate jumpers
before you proceed.
Follow these steps to install a system board into a housing:
1. Open the system housing. Refer to
the housing documentation for
steps on how to remove the housing
cover.
2. Install the board into the housing
and secure it with the screws that
come with the housing.
3. Attach the cables and install the
necessary peripherals. See the
following section for information
on how to connect the peripherals.
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Refer to your housing documentation for more
information on system housing.
Hardware Installation
2.10 Connecting Peripherals
2.10.1 Power Cable
The board comes with two different
power connectors marked as CN2 and
CN3. The CN2 power connector
accepts the PS/2 power supply cables,
i.e., two cables with six wires each.
When plugging in these cables to the
onboard power connector, make sure
that all the black wires are in the center.
The CN3 power connector accepts an
ATX power supply cable. .
CN2 Power Cable Connection (PS/2)
CN3 Power Cable Connection (ATX)
Make sure that the power supply is off before
connecting or disconnecting the power cable.
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Hardware Installation
2.10.2 USB Devices
You need a USB bracket to enable your
system to support USB device(s). To
attach a USB bracket, simply insert the
bracket connector to the onboard USB
connector marked CN14. See section
1.1 for the location of the USB
connector.
2.10.3 Serial Devices (COM1/COM2)
To support serial devices, insert the
serial port 1 connector cable to the
onboard COM 1 connector marked
CN1. Secure the port into its
appropriate location in the housing frame
with the necessary screws.
Then plug in the serial device connector
to serial port 1 or to COM2 port marked
CN11 on the system board.
COM1
COM
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2.10.4 Floppy Drives
Connect the floppy drive cable to the
floppy drive connector marked CN6 on
the system board. See section 2.2 for the
location of the connector. Refer to the
figure on how to connect the cables.
2.10.5 Printer
To connect a printer, plug in the printer
cable to the onboard parallel port
marked CN8 on the board. Refer to the
figure.
Hardware Installation
Printer
2-19
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2.10.6 IDE Devices
Primary IDE Connector
The primary IDE connector marked
CN10 on the system board supports
two IDE devices - one IDE hard disk
and one additional IDE device.
Connect your IDE HDD to the master
port of the primary IDE cable. If you
have other IDE device to install in your
system, connect it to the slave port.
Secondary IDE Connector
The secondary IDE connector is marked
CN9 on the board. This connector also
supports two IDE devices. To install an
IDE CD-ROM drive into your system,
insert master port of the secondary IDE
cable into the CD-ROM drive connector.
If you have more than two hard disks,
connect your third hard disk into the
master port. Then connect your CDROM drive into the slave port.
HDD 1
Master port
HDD 2
Slave port
Master port
2-20
Slave port
Hardware Installation
2.10.7 Front-panel Switches and LEDs
HDD LED
The HDD LED connector is marked
CN13 on the board. To connect the
HDD LED, simply plug in the LED
cable to this four-pin connector.
Multifunction Connector
The multifunction connector is a 20pin connector marked CN15 on the
board. Attach the green mode LED,
keylock, reset switch, break switch,
and green mode LED connectors to
the corresponding pins as shown in
the figure.
Some housings have a five-pin
connector for the keylock and power
LED.
Speaker Power LED Keylock
( Turbo Switch ) ( Turbo LED )
Speaker Keylock & Power LED
Break Switch Green Mode LEDReset
Reset
Break Switch Green Mode LED
( Turbo Switch ) ( Turbo LED )
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Hardware Installation
Ground
Ground
Other housings may have a 12-pin
connector. If your housing has this
type of connector, connect it to
Speaker
Res-VCC
Reset
Keylock
Ground
CN15 as shown in the figure. Make
sure that the red wire of the
connector connects to pin 11.
Break Switch
( Turbo Switch )
VCC
Break Switch
The break switch allows you to manually set the system to suspend mode by
simply pressing the switch. However, this is possible only if the Power
Management function in the BIOS Setup menu is enabled. Refer to section
3.2.4 for more information.
If your housing comes with Turbo switch and Turbo
LED connectors, you may use these connectors for
Break switch and Green mode LED functions,
respectively.
Although the Multifunction connector does not support
the Turbo/De-turbo switch, you can still set the system
to Turbo mode by pressing
De-turbo mode, simply press
. To switch to
.
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Hardware Installation
2.10.8 Mouse
PS/2 Mouse
To connect a PS/2 mouse, simply plug in
the PS/2 mouse cable to the mouse port.
See Figure 1-1 for the location of the
PS/2 mouse port.
Serial Mouse
To connect a serial mouse, plug in the serial port cable to the CN1. Insert the
serial mouse cable into the appropriate COM port. See section 2.10.3.
2.10.9 Keyboard
To connect a PS/2 keyboard, simply plug
in the PS/2 mouse cable to the PS/2
keyboard port.
See Figure 1-1 for the location of the
PS/2 mouse port.
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Hardware Installation
2.11 Installing Expansion Boards
Before you install any expansion board, make sure that you have secured the
system board in the housing.
Follow these steps to install an expansion board:
1. Observe the ESD precautions
before removing the expansion
board from its protective
packaging.
2. Locate an empty expansion slot on
the system board.
Golden edge
3. Remove the bracket opposite the
slot that you want to use. Save the
cover and screw for future use.
4. Remove the board from its
protective packaging.
5. Gently insert the golden edge of the
board into the slot until it fits into
place.
6 Secure the bracket to the housing
with a screw.
ISA slot
Golden edge
PCI slot
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