Question about Dell OptiPlex 330 Desktop Desktop Computer

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Pc doesn't start properly, and displays a 1 & 3 on the front panel

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Same ram memory modules ('Sticks'), or have you installed some new ram memory?

1) If it is the same ram memory module/s, and you haven't installed any new ram memory;

I suggest you take out the ram memory module/s, and clean the gold plated contact pins, with a pencil eraser.

Example of a ram memory module, showing the gold plated contact pins on the bottom.

If this problem is in reference to a Dell Optiplex 330 Desktop computer, or Mini-Tower computer, DDR2 Sdram ram memory is used.

The above example in the link is DDR Sdram.

[DDR Sdram has 184 contact pins. 92 on each side.
DDR2 Sdram has 240 contact pins. 120 on each side.

Photo was used for clarity. Shows the gold plated contact pin very well]

Remove the eraser dust with air. Air from your mouth, may have sufficient pressure to remove the dust, or use a can of compressed air for computers.

Reinstall the ram memory module/s.

If you have two ram memory modules, install just one of them in Slot 1.
See if the computer boots up.
If it doesn't, take that ram memory module out of Slot 1, and use the other ram memory module.

Test to see if just one ram memory module may be bad.

If neither ram memory module works, it's time to buy new ram memory.

(This is after you have cleaned the contact pins)

Your body carries Static electricity.
Static WILL fry out (Short Circuit) the hardware components inside a computer.
It is advised to observe anti-static precautions.

Once the computer has been unplugged from power, and the computer case is open, TOUCH the metal frame of the computer case.
This action will relieve your body of Static.

{Advise work on a table. Directly on a carpet floor, or a bed, are High areas of Static.
Should you leave while working on your computer, upon your return TOUCH the metal frame again)

2) Installed new ram memory module/s

IF, just One ram memory module is installed, it should be installed in Slot 1 on the motherboard.
Slot 1 is read by the Processor first.

On the motherboard, Slot 1 is the ram memory slot that is closest to the Processor.
There may be DIMM 1 printed on the motherboard next to Slot 1.

This is Dell Support, and the System Board information on the Optiplex 330,

(System Board = Mainboard, or also stated as Motherboard)

The System Board shown is for the Optiplex 330 Mini-Tower computer, but also applies to the Optiplex 330 Desktop computer.

The number 4 point to the Ram Memory slots.
The number 2 points to the Processor (Socket)
DIMM 1 is above Slot 1 on the motherboard illustration.

If you have installed new ram memory, it has to be either PC2-5300, or PC2-6400 ram memory.
(DDR2 Sdram at 667MegaHertz, and DDR2 Sdram at 800MHz, respectively)

The Maximum TOTAL Amount is 4GB.
The Maximum Amount for EACH ram slot is 2GB.

(This ram memory information applies to both the Desktop computer, and Mini-Tower computer)

For any questions you may have just post in a Comment.

Posted on Jun 02, 2010

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pc doesn't start properly, and displays a 1 & - tools020.jpg
Memory modules are detected, but a memory configuration or compatibility error exists.

Posted on Jun 02, 2010



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There should be a "mini-manual" (tech sheet) hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting, testing, and locating components.


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We had a similar problem, but was with the audio side. You can attempt the system reset like this;
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I assume you can't do the following:
delete the current password from the front panel: select the Connectivity menu icon c00966396.gif , then Advanced , Embedded Web Server , Reset EWS password . Access to the Networking page is protected by a different password (the administrator's password). To reset the administrator's password, you need to reset the whole input/output configuration. Using the front panel, select the Connectivity menu icon c00966396.gif , then select your connection method (e.g. Gigabit Ethernet ), then Restore factory settings .

Then I know of no other option then performing an eeprom reset.

The EEROM Reset test resets the printer to the factory defaults and delete any user information/files.

1 In the Diagnostics menu (With the printer OFF, press and hold the UP and OK keys. While holding the Up and OK keys down, press and hold the Power key to turn on the
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? Starting Nvm.
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? Setting default config.
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after completing the test and rebooting the printer.
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Below is a few generic guide that should stop some of the confusion with the labels on the wires.



Front Panel Audio

***Please note this is a generic wiring guide and we can not guarantee it will work with every motherboard. Please check your motherboard manual first. Wiring the headers wrong can cause damage to the motherboard and case, this damage is not covered by the warranty***

another handy USB wiring guide can be found here

this maybe easier to follow



Pin Wire
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3) Mic BIAS
4) n/c
5) Speaker Right Out
6) Speaker Right Return
7) n/c
8) no pin (n/c)
9) Speaker Left Out
10) Speaker Left Return

n/c = not connected

USB (F_USB1 and also F_USB2)

 x

Top row of pins
2 = USB port 2 : VCC/Power/+5V
4 = USB port 2 : Data -/D-
6 = USB port 2 : Data +/D+
8 = USB port 2 : Ground/GND
10 = USB port 2 : pin present, but not connected to anything.

Bottom row of pins
1 = USB port 1 : VCC/Power/+5V
3 = USB port 1 : Data -/D-
5 = USB port 1 : Data +/D+
7 = USB port 1 : Ground/GND
9 = USB port 1 : no pin present

Front Panel Connector (FP1)

1 2
x 
9 10

1 = no pin present
3 & 5 = Power Switch
7 & 9 = Power LED (light)

2 = pin present, but not connected to anything.
4 & 6 = Reset Switch
8 = 10 = Hard Drive LED (light)

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