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Chapter4. Control Electronics Service Manual
4-12
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Nautilus Hyosung Inc.
All Rights Reserved.
refer to figure 2-4 to see what a 184-Pin DDR266/DDR333 DDR SDRAM module looks
like.
<Note!>
When you install DIMM module fully into the DIMM socket the eject tab should be locked
into the DIMM module very firmly and fit into its indention on both sides.
WARNING!
For the DDR SDRAM CLOCK is set at 200MHz, use only DDR333-compliant DDR
Modules. When this motherboard operate at 200Mhz, most system will not even boot if
non-compliant modules are used because of the strict timing issues, if your SDR Modules
are not DDR400-compliant, set the DDR SDRAM clock to 133MHz to ensure system
stability.
3. Expansion Cards
WARNING!
Turn off your power when adding or removing expansion cards or other system
components. Failure to do so may cause severe damage to both your motherboard and
expansion cards
- Procedure For Expansion Card Installation
a. Read the documentation for your expansion card and make any necessary hardware
or software setting for your expansion card such as jumpers.
b.
Remove your computer’s cover and the bracket plate on the slot you intend to use.
c.
Align the card’s connectors and press firmly.
d. Secure the card on the slot with the screen you remove above.
e.
Replace the computer system’s cover.
f. Set up the BIOS if necessary.
g. Install the necessary software driver for your expansion card.
- Assigning IRQs For Expansion Card
Some expansion cards need an IRQ to operate. Generally, an IRQ must exclusively
assign to one use. In a standard design, there are 16 IRQs available but most of them
are already in use.