LG Electronics USA DT-NK Users Manual
6-2. Main Board
The model name of the computer depends on the main board type. When extending the computer, check the model name on the label attached on the rear panel of the computer and the following. Before extending the computer, check the main board first.
Expansion slot (PCI-E x1) |
Memory socket (DIMM) |
Expansion slot (PCI) |
Floppy disk connector |
Expansion slot (PCI-E x16) |
Hard disk/CD-ROM connector |
CPU socket (with Pentium4 LGA 775) |
Serial ATA-type hard disk connector |
Note
The main board in your computer may look different from the picture.
System Expansion 69
6-3. Internal Connectors
Connectors are configured in a certain way at the factory, and connectors show the connection status between the main board of the computer and peripherals. (Connector configuration depends on product models.)
Before separating the connector, check the connection state of the connectors and leave a
record on |
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Link the |
disk driver connector and the hard disk/CD-ROM connector in the correct |
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The Pin Number and the color of the connector cable must match. Otherwise, an error may occur in the computer.
Risk of explosin if battery is replaced by an incorrect type. Dispose of used batteries according instructions.
There is a of explosion if the backup(standby) RTC battery is replaced by an incorrect type. Dispose used backup(stadby) RTC battery according to your local ordinances or regulation.
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Power on/off and power/hard disk operation status indication lamp connector
CPU_FAN
Power connector (ATX: 24 pins)
Connects the power supply unit.
ATX
CDROM, hard disk driver.
IDE
connector (ATX_12V: 4 pins)
Connects the power supply unit.
ATX
connector (F1_1394: 10 pins)
Connects camcorders supporting IEEE1394.
F1_1394
connector (SPDIF_LG: 3 pins)
Connects the SPDIF port with optic output feature.
SPIF
(SYSTEM_FAN: 3 pins)
Installed at the bottom (rear panel) of the system, and connects the VFD.
SYSTEM_FAN
connector
Connects the VFD.
VFD
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6-4 Replacing the CPU
To upgrade the CPU for better performance of the computer, you need to replace the CPU first. Check the location and the type of the CPU in the main board, and do the following. (Shape of the CPU FAN and CPU replacement methods may differ by model.)
Unfasten four screws fixing the CPU fan as shown in the figure.
Align the groove to the right position, pins can easily be broken.
Remove the CPU fan as shown in the figure.
Turn the CPU socket handle as shown in the figure of Step 
, and open the cover as shown in the figure of Step 
.
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Lift the CPU up carefully to remove it from the main board.
Insert the new CPU with caution in the CPU socket in the correct direction and close the cover 
and then put down the handle of the CPU socket
Insert the CPU FAN as shown in the figure, and fix it with four screws.
Always wear gloves to avoid injuries.
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6-5. Expanding the Computer Memory
You may expand the memory capacity, if needs be.
About Memory
This system uses a 240-pin memory module called Double Data Rate-2 (DDR-2), not the old 184-pin memory module called Double Data Rate (DDR). The main board can support maximum 2GB in memory.
Note
When expanding the memory, add a memory with the same specification (DDR-2 SDRAM for 1.8V). (The shape of the memory may differ depending on the product model.)
The DDR-2 memory |
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This computer supports PC3200/4300, DDR-2 specification.
When expanding the memory, use only unbuffered DDR SDRAM DMM
When inserting two same memories in same-colored DIMM slots, the computer will operate in Dual Channel mode.
FSB Frequency |
Usable Memory |
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400/533 MHz |
PC3200/4300-DDR-2 SDRAM 400/533MHz |
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Preparing a Memory
Before purchasing memory, study the specifications and features of the current memory.
Specification : PC3200/4300 (240-pin DDR-2 SDRAM) |
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Rate |
: 400MHz (200MHz 2), 533MHz (266MHz |
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Type |
: 256MB, 512MB |
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Composing the Memory |
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Total memory capacity |
DIMM 1 |
DIMM 2 |
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DIMM 3 |
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DIMM 4 |
DUAL/SINGLE |
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256MB |
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256 (One out of four slots) |
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SINGLE |
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DUAL |
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DUAL |
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SINGLE |
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DUAL |
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DUAL |
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DUAL |
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DUAL |
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Note |
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The computer operates faster in Dual Channel mode. |
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Use the same memory to operate the computer in Dual Channel mode. |
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It is recommended to use Dual Channel mode. |
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System Expansion 75
Replacing the Memory
Main board configuration, memory socket and
Loosen the screws of the computer, cover.
Release the latches from both flanks of removed automatically.
Note
Before opening the computer cover, turn off the power and all peripherals connected to the computer. Disconnect all power cables.
latch
Installing Memory
Lay the latches memory socket
Insert the the socket shown in the
Note
When using a DDR-2 memory, the memory must be installed in each channel for Dual Channel mode.
1-3 and 2-4 of dual Channels No. 1 ~ 4
The memory will be automatically installed even if not latched. However, it is recommended to fasten the latches until the memory is completely fixed.
The memory will be automatically installed even if not latched. However, it is recommended to fasten the latches until the memory is completely fixed
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