Question about Foxconn 650M02-G-6L Motherboard

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Assemble foxconn mother boad diagram - Foxconn 650M02-G-6L Motherboard

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Foxconn Support > 650M02-G-6L desktop motherboard > Main Support page,

Click on the last file listed at the bottom -
650M02-G-6L (Submitted 06/05/2009)
Motherboards : Socket 478 : Motherboard Manual

Click on the Orange - View Detail at the end

To the right of - Download: click on the small blue Floppy Drive floppy icon.

Make sure there is a Green dot in the small circle, to the left of -
Save File.
If not; click on the small empty circle to the left of Save File.
Now click on OK below.

A small window will come up on the left. Allow the file to fully download, then DOUBLE-click right on the file name.

In the next small window click on Extract all files, to the left.
Click on Next, Next, and Finish at the bottom of the next 3 small windows.

DOUBLE-click on - 650M02 - FOXCONN - V1[1].0-E...
,to the right of the red Adobe PDF icon.

There is your motherboard manual.

I reduced the view size to 75 percent, with the Zoom Out icon ( - ) at the top.
Use the Down Arrow, and go to Page 5. (Adobe Reader page number at top, to the right of the Down Arrow)

Motherboard Layout

Motherboard view shown is actually turned 90 degrees to the Right, in reality to how it actually is mounted in a computer case.

The front of your computer is the Front Panel.
The area of contact pins on the motherboard, that the main wires from the Front Panel go to, is the Front panel header.

Motherboard installed in computer case, the Front Panel header is to the Right of the CMOS battery, and located in the Bottom/Right corner, placed in a Vertical position.

Two columns of contact pins.
4 in the Left column, 5 in the Right column.

The pins on the Left side are numbered EVEN.
The pins on the Right side are numbered ODD.

Starting at the BOTTOM coming up towards the Top; Left side,
Pins 2, 4, 6, and 8. There is NO Pin 10.

Starting at the Bottom coming up towards the Top; Right side,
Pins 1, 3, 5, 7, and 9.

A) Pins 1 and 3 are for the HarDDrive activity LED. (Light)
Pin 1 is for the Positive wire.
If the HDD LED is dim when the harddrive is active, switch the wires around.

B) Pins 5 and 7 are for a Reset switch, IF a Reset switch is used.

C) Pin 9 is N/C. Not Connected. Probably 5 Volts + for factory testing.

D) Pins 2 and 4 are for the Power On LED. (Light)
(Light Emitting Diode)
Pin 2 is for the Positive wire.
If the PWR LED is dim when the computer is on, switch the wires around.

E) Pins 6 and 8 are for the Power On switch.

F) There is NO Pin 10.

Just a start. Do you need what CPU's are supported?

1) Intel Pentium 4, Socket 478 processors that are either Willamette Core, or Northwood Core processors.

A) 400Megahertz Front Side Bus (400MHz FSB)

B) Up To a 2.8GigaHertz (2.8GHz), Socket 478 -> Northwood Core - processor.

(Motherboard manual shows specs for using Intel Celeron's, that use a Socket 478 processor socket, but WHO cares?
'Celeys' aren't worth bothering with )

Starting with Willamette Core. Northwood Core processors are in the next chart. (Socket 478)

The motherboard chipset is a Northbridge chip, and a Southbridge chip,

(CPU = Central Processing Unit. Another term used is Microprocessor, or Processor for short)

The Northbridge chip is a SiS650GX
The Southbridge chip is a SiS 962L, or SiS 962,

Install Processor first. (Remember to line up the Processor's; Dot/s, or Arrow/s with the processor socket's Dot/s or Arrow/s)
Thermal Paste correctly applied, Heatsink set properly. (F-L-A-T)

Plug Processor fan power wire into motherboard.
(White 3-pin connector to the Top Left corner of the Processor socket, and close to the top edge of the motherboard.

Install Ram Memory.
Install motherboard on Support Plate.

The Support Plate can be a separate metal plate, or is part of the computer case.
When mounting the motherboard to the Support Plate, and NOT using plastic Spacers, but ARE using metal Standoff's;

,make SURE that EVERY Standoff is matched up, to a mounting hole in the motherboard.

IF, there is a Standoff not matched up to a mounting hole, there is a good chance it will touch an exposed solder joint on the bottom of the motherboard, and short the motherboard out.
(Maybe Processor, Ram Memory, graphics card if used, too )

On the back of the computer tower is a thin metal rectangular plate.
This is the I/O area, and the I/O Static Shield.
I/O stands for Input/Output.
Input devices and Output devices are connected in this area.
Mouse, Keyboard, Speakers, etc.

Every motherboard is supposed to come with it's own I/O Static Shield. If there is one already present remove it, use the one that came with the motherboard.
(Watch the edges! May be SHARP!)

Motherboard is installed tilted at an angle, I/O ports down.
Then I/O ports going slightly through the I/O Static Shield, the opposite side is brought down.

Two power cables from the Power Supply to motherboard;
1) 24-pin ATX main power cable;

(Note* Color of connectors does NOT matter)

Plugs into the 24-pin ATX main power cable connector, to the right side of the Ram Memory slots.

2) 4-pin ATX +12 Volt power cable;

Below the processor socket is the Northbridge chip. It is under that finned aluminum Heatsink, with Foxconn on it.
To the Left is a small 4-socket hole whitish connector.
This is the 4-pin ATX +12 Volt power cable connector, on the motherboard.

The Floppy Disk Drive flat ribbon IDE data cable, goes to the Black 34-pin connector to the Right; of the 24-pin ATX main power cable connector, on the motherboard.

Uses this Small 4-pin Peripheral power cable,

(WATCH the contact pins on the Floppy Drive, for the power cable. They are Sharp as NEEDLES, and will stab you! They BEND real easy too!)

The Harddrive's flat IDE ribbon cable connects to the BLUE 40-pin connector, below the Black Floppy Drive connector.

BOTH, a Floppy Drive flat ribbon cable's connector, and a Harddrive flat ribbon cable's connector, and an Optical Drive flat ribbon cable's connector; have a LUG on one side.

This Lug is to match up with a small square Cutout, in the motherboard's matching connector.

The harddrive, and optical drive should have a square Cutout, in the circuit board.

IF, the cable connectors do Not have a Lug, or there is no Cutout on the Harddrive, or Optical Drive; post back in a Comment, and I'll detail how to correctly hook them up.

USB Headers: F_USB on the motherboard is for using TWO USB ports, in the Front Panel. (Page 22)

Audio Connectors (CD_IN) Page 23, is for the small audio cable that comes from the Main optical drive.
IF, you have two optical drives, use the one you consider the Main one, and attach the CD_IN (Audio cable) to CD_IN on the motherboard.
This connector is to the immediate Left of the number 2 and 3 white PCI slots.

REMEMBER, follow Anti-Static Precautions.

For additional questions please post in a Comment.


Posted on Nov 07, 2012


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