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Motherboard TriGem International Imperial GL

I need Motherboard TriGem International Imperial GL diagram

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  • omar1960 Nov 15, 2009

    Mat NO: 137001, name: ImperialGL VE 20021218, used in a Emachine Model T2245, I guess that I got the panel jumpers set right but I am not sure (the pwr switch, HD led and Pwr led).The CPU fan is the only one that works otherwise nothing else, not video signal, not the HD. Could be the capacitors?

  • joecoolvette
    joecoolvette May 11, 2010

    What number is on the board beside the Imperial GL model name? (Example: 129504) Or, what computer did this come out of? Need computer manufacturer name, Model Name, and Model Number. eMachines, Gateway, and HP used the Imperial GL. (Hence why I asked the above. May be easier for me to find)

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I didn't include the e4allupgraders website, because the link to the Motherboard Manual for the Imperial GL, and GLVE is down.
Forgot they show the default jumper settings. (Good going Pritesh81!)

The CPU fan is running? This means you have connected the Pwr 1 pins.
Good. Did you plug the 4-pin ATX power cable from the power supply, into the motherboard? That's power for Intel Pentium 4 and above processors. Must be plugged in. No power to the processor, No computer. (No computer running, No Signal going to the monitor)

Not trying to slam your eMachines computer, but these are budget computers. Hence they use budget/cheap components.

1.Power supply's are cheaply made.
Wiring used inside is small gauge, and below par.
Electrolytic Capacitors are of low quality.
Rectifier bridge is low quality.
I could go on, and on.

2.Electrolytic Capacitors used on the motherboard are of low quality.

One's that surround the processor are Voltage Regulators. (Tall. Usually 1000uf and higher. {uf = MicroFarad)

Processors must have a clean, steady, supply of DC electricity. They have a Very Small tolerance range! Too little, and BIOS won't turn them on, or keep them running. (Too much, and BIOS turns the processor off. Keeps the processor from burning up)

Capacitors that surround the Expansion slots are Filters. (Expansion slot = PCI, or AGP, or PCI-Express)

Electrolytic Capacitors resemble a small tin can. They have a rubber seal in the bottom, and an X, or lK impression cut on top. Inside the 'can' are three strips.
A. One is a metal strip and is a Conductor
B.One is a metal strip with a Non-conducting coating applied.
C.One is a paper strip impregnated with Electrolytic Paste.

The three strips are laid flat on each other, with the paper strip in the middle. The two leads coming out of the bottom are connected to the Conducting metal strip, and the Non-conducting metal strip.

When an Electrolytic Capacitor starts to fail, the Electrolytic paste inside develops a gas. Hydrogen Gas. This gas expands pushing against the rubber seal, breaching it's sealing capacity. It can also push the X, or lK impression to pop it open. Keeps the capacitor from exploding.

Electrolytic paste starts oozing out. Does it slowly. So much paste loss, and the capacitor can continue to function, but below it's capacitance capability.
Motherboard manufacturer designers know this, and take into consideration that eventually an Electrolytic Capacitor will break down.
The chemicals inside the Electrolytic paste, can only go through a chemical reaction so many times.
For this reason, designers use capacitors that are 50 percent better than needed. They know that Electrolytic Capacitors break down after time.

So much paste loss of the 'Caps' that surround the processor, make the processor 'hiccup'. The processor turns on, then off, then on, and finally may stay on, or shut off.
'Hicupping'.

Finally with enough paste loss, BIOS won't turn the processor on anymore. The voltage isn't within the tolerance range.

Electrolytic Capacitors used in the power supply are Filters. Large 'Caps' filter the incoming AC, and smaller 'Caps' filter the rectified outgoing DC.

These 'Caps' have the greatest tendency to fail. They are the weakest link. Other components inside the SMPS, (Switched Mode Power Supply), also can fail, but 'Caps' are the primary culprit.

Why?
Cheap capacitors.

http://en.wikipedia.org/wiki/Capacitor_plague

WARNING!!
This is NOT an invite to pop your power supply open, and have a look!

Capacitors are designed to hold a charge. They can hold a charge for weeks, sometimes Months, after the capacitor is removed from power!!
(Power supply unplugged from power)

Capacitors are designed to slowly build up a charge, then release it all at once. ZAP!
If your fingers touch the two terminals of a 'Cap', the charge will be released to you!
If your fingers complete a circuit that one, or more 'Caps' are in, the charge can be released to you!

Shock can be Bad to FATAL!

IT IS NOT recommended to have the power supply plugged in, and check the voltages of the power cables. There is NO load to the power supply.
1.The power supply may show correct voltages when checked, but when a load is applied the power supply "Falls on it's face'.
2.No load to a power supply can burn it up.

Suggest using a known, good, Compatible power supply for a test.
Read GOOD, and COMPATIBLE.
If it isn't a Good power supply guess what's going to happen? Bad test results, and you're back to square 1, never knowing that was indeed the problem.

It has to be a compatible power supply. Has to have the right power cables, and enough of them.
Check to be sure the color of the wires going into the 20/24-pin ATX motherboard connector, is the SAME as the old power supply's motherboard connector.

For a time some pre-built computer manufacturers switched these around. 12 volt wires lined up with a Ground wire. POOF! Let's the smoke out!
(Yellow is 12 Volts
Red is 5 Volts
Orange is 3.3 Volts
Green is the Soft Power On wire
Any Black wire is a Ground wire.
That's the Standard)

If you have a weak voltage power rail in a power supply, lights will light, fans may spin, computer doesn't turn on.

1.ALL the lights use less than 1 Watt
2.EACH fan uses 2 to 3 Watts
3.A typical processor uses 55 to 125 Watts. Depends on the processor.

Not enough power to turn the processor on.

I apologize for the long 'dissertation', but I thought I would direct you to what may be wrong, and an in-depth reason as to why.
Someone states, 'Capacitors are bad', and you may wonder why this is.

TriGem motherboards, and eMachines computers are Known for bad capacitors.

Posted on Nov 15, 2009

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Where to find manual for motherboard 143159 imperial Gv 20030812?


Good luck. Used to be you could get a mobo manual from e4allupgraders.

The Imperial board is made by TriGem
Started out as TriGem Sambo, is now TG Sambo

The Imperial models were Imperial G, Imperial GL, Imperial GV, and Imperial GLVE, if memory serves.

TriGem Imperial GV - 143159 -20030812

http://www.ebay.com/itm/gateway-emachine-mother-board-imperial-gv-20030812-/111025938736?pt=Motherboards&hash=item19d9a96130

Bad photo, but it does have the mouse Zoom In feature.

CMOS jumper and Clear BIOS Password jumper, down by the Front Panel header; is the same as used on the TriGem Imperial GLVE -129504,

http://h10025.www1.hp.com/ewfrf/wc/document?docname=bph07540&lc=en&cc=us&product=83481

Scroll down to Motherboard Layout (Illustration), and Photo; then down to jumper info.

(By the way.........the BIOS chipset is removable, therefore replaceable)

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.

This is PANEL in the illustration. Bottom/Right corner. Uses the same Front Panel pinout, as your Imperial GV uses.

8 pins along in a row.
Starting on the LEFT side going towards the Right;
Pins 1, 2, 3, NO pin 4, 5, 6, 7, and 8.

A) Pin 1 is N/C. Not Connected
(May not even be there for all I know)

B) Pins 2 and 3 are for the Power On LED.
Pin 3 is for the Positive wire.
If the PWR LED is dim when the computer is on, switch the wires around.

C) There is NO Pin 4. At least that is what I make, looking at the Front Panel header pinout. Indicate Pin 1 is N/C, and Pin 4 is N/C.

D) Pins 5 and 6 are for the HarDDrive activity LED light.
Pin 5 is for the Positive ( + ) wire.
If the HDD LED is dim when the Harddrive is active, switch the wires around.

E) Pins 7 and 8 are for the Power On switch.

HOWEVER, since the motherboard photo on HP Support, and Ebay; is as clear as mud; suggest you do this,

Connect your Power On switch to Pins 7 and 8;
OR,
touch across them briefly with a small flat tip screwdriver.
(Power plugged in)

See if that is correct for the Power On switch. What will happen if it isn't? Nothing. Pressing the Power On button just won't turn the computer on; is all.

Turned the Power Supply (Computer) on?
Good. We can assume the rest of the pinout is correct also.
Want to make sure? Easy.

Take an LED bulb (Power On, or HDD), and touch it's two wires to the Power On LED pins, in the Front panel header.
Stays on? Yep. Power On LED pins.

Blinks? Whoops.
Those are the Harddrive activity LED pins.
Just that easy to check it. With using an LED, you won't harm anything even if the pinout is wrong.

Moving on.........

Using the HP Support page, for that TriGem Imperial GLVE motherboard, the Motherboard Layout is the same as the Imperial GV.
(So is photo, 'natch)

Referring to the layout, and photo;

A) Power cables:
Two
20-pin ATX main power cable, and 4-pin ATX +12 Volt power cable.

General example of a 20-pin ATX main power cable, and it's respective connector on the motherboard,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain20

Note* Color of power cable connector does NOT matter.
Can be Whitish, Yellowish, Black, Sea Foam Blue, or Lactating Mammary Gland Pink. (Made the last two up)

Goes to the motherboard connector immediately above PCI slot 1.
Note the LOCK on the side of the power cable, and corresponding TAB on the motherboard connector.

General example of 4-pin ATX +12 Volt power cable, and connector on motherboard,

http://www.playtool.com/pages/psuconnectors/connectors.html#atx12v4

Power for the Processor
Looking at the motherboard illustration, look at the Northbridge chip; -> Intel 845GL in the middle.

ATX 12V to the left, is where the 4-pin ATX +12 Volt power cable plugs in.
See the aluminum finned Heatsink, sitting on the Northbridge chip?
The whitish/yellowish 4-socket hole square connector, to the Left.

Moving on............

See where it states Primary IDE to the bottom/right in the illustration? Blue IDE connector?
That is where the Harddrive plugs in.

This is a general example of the connector,

http://en.wikipedia.org/wiki/File:PATA-cable.jpg

Note the Locating Lug on the top/middle. This particular style uses two ribs. Some are just a solid block.

The reason I brought it up, is if there is NO Locating Lug on the connector; let me know in a Comment.
I'll tell you how to use the faint Red stripe, on the side of the flat cable; in order to plug it in correctly.

The optical drive (CD/DVD drive) plugs into Secondary IDE.
You can see where a Floppy Drive plugs in.

Above the Processor (CPU) socket to the Right, is where a computer case fan plugs in. PS_FAN.
To the upper Left, is where the Processor fan plugs in.
CPU_FAN

To the left of the ATX Power Connector, (20-pin ATX main power cable; motherboard connector), is the connector for the small audio cable; coming from the optical drive. (CD/DVD drive)

Optical Drive In.

Right next to the round CMOS battery, is the Front Panel USB header.
-> TWO USB ports connect to this header.
(USB)

A 4-pin Peripheral power cable is used for the Harddrive, and Optical Drive.
Misnomered as 'Molex' power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#peripheral

Note the rounded corners. When plugging the power cable in, these rounded corners always go UP.

[Molex was the first maker of the power cable connector.
The name stuck.
Kind of like calling an adjustable open-end wrench a 'Crescent wrench' ]

The motherboard chipset is an Intel 845GV.
This is what Processors (CPU), and Ram Memory are supported,

http://en.wikipedia.org/wiki/List_of_intel_chipsets#Pentium_4_chipsets

Single-Core processors.
Use a Socket 478 processor socket.
Intel Pentium 4, Celeron, or Celeron D.
(Celeron D is NOT a dual core processor)

400 to 533MegaHertz Front Side Bus processor support.
(400/533MHz FSB)

DDR Sdram ram memory that is either 266MegaHertz, or 333MHz.
(PC2100 and PC2700, respectively)

2GB's of it.
1GB for EACH ram memory slot.

For additional questions please post in a Comment.

Regards,
joecoolvette

Mar 08, 2013 | eMachines Mb, 143159 Imperial_gv 20030812...

1 Answer

Imperial gl ve 20020930 SPECS


TriGem (Company) Imperial GLVE (Model)

http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&dlc=en&docname=bph07813&lc=en#N779

http://www.trigem.co.kr/tgservice/econsult/faqProduct04.asp?cls=0&Page=&ID=4237&C1=1&C2=68&C3=359&C_N=IMPERIAL-GLVE

Hmmm, I'm at a stalemate.

Looking at the specs for the motherboard chipset;
The Northbridge and Southbridge chip,

Intel 845GV

http://en.wikipedia.org/wiki/List_of_intel_chipsets#Pentium_4_chipsets

Supports CPU's with a 400MegaHertz Front Side Bus, or a
533MHz FSB.

Naturally I can't get a clear picture of those jumpers, but they look to be 3-pin.

If we are to assume that the jumper pins set the CPU FSB support, from 400MHz to 533MHz, then the jumper cap is moved from either

Pins 1 and 2, to Pins 2 and 3; on J2 jumper;
Or Pins 2 and 3, to Pins 1 and 2.

I know !O_O!
Sort of a guessing game, as to where the jumper cap goes to what pins, for 400MHz FSB support, or 533MHz FSB support.

Do you have any idea of what the FSB is for the old CPU (Processor), that was in the motherboard? (Or is)

Let's say 400MHz.
You now know if the CPU you are wanting to use, needs 533MHz Front Side Bus support, you need to move the jumper cap to the opposite pins.

What happens if it's wrong? Nothing. processor just won't work.
Change the jumper cap back.

(NOT plugged into power when you do. Also FOLLOW Anti-Static Precautions)

Yes. I'm 'out there on a limb'
I am assuming after looking at the TriGem support page, for the Imperial GLVE motherboard, that the J2 jumper is used to change the FSB support for the Processor.

It MAY be that J2 has Nothing to do with CPU Support.
It may be that there is no jumper for changing CPU FSB support.

(Cleared that right up, huh? Geez!)

For additional questions please post in a Comment.

Regards,
joecoolvette

[J1 = FDD. Floppy Disk Drive
J2 = CPU FSB jumper
J3 = CMOS Setup
J4 = CMOS,

IMHO ]

Feb 19, 2013 | Computers & Internet

1 Answer

I want an Imperial GL VE 20021111 motherboard manual


Get all information about the motherboard from here...
http://h10025.www1.hp.com/ewfrf/wc/document?docname=bph07813&lc=en&dlc=en&cc=us&lang=en&product=307585

best of luck!

Mar 07, 2012 | Computers & Internet

1 Answer

I need a motherboard for "hp pavillion desktop mod.#a335w, but I have no idea about how to find a p/n or description.........Help


should be this one TriGem Imperial-GLVE

attachment.php?attachmentid=4997&stc=1

http://h10025.www1.hp.com/ewfrf/wc/g...cname=bph07813

pity it does not have agp. any m-atx or uATX whatever you like to call it should fit.

Quote: Glendale/Imperial TriGem Imperial-GLVE (31891.HPD.0000.D.0310140908) used in HP Pavilion models:-

503a, 503n, 503w, 513a, 513c, 513n, 513w, 522 cfg-PC, 522a, 523a, 532w, 533a, 533c, 533w (serno KR or CH), 542x, 563w, 712a, 742c, 752 cfg-PC, 752c, 752n, a200y, a400y, a210n, a200n, a376x, a347x, a342n, a340a, a335w, a320a, a317x, a310n, a305w, a302x, a300y

NOTE: It has been documented for the Echo GL Asus P4G533-LA/P4G533-GL (10/16/2003-I845G/ICH4/IT8708-P4G533LA )that it was also used for the pavilion a305w and in the following models:-

354n (US/CAN), 525w, 533w (serno MX IT8708F), a210n, a206x, a345w, a336n, a335w, a328d, a320d, a318d, a316n, a312d, a307i, a305wm, a305w, a305i, a300n, a424x, a422n, a412n

Sep 16, 2010 | Computers & Internet

1 Answer

Front power switch broken. Bezel won't come off easily. Thought we could just get a switch and install on the back but don't know which of the colored pairs of wires go to the original switch in the...


I would suggest this generic Power On switch,

1) http://www.directron.com/atxswitch.html,

and the Red, and Black twisted pair of wires go to the Power On switch.

Your statement of ,"....don't know which of the colored pairs of wires go.....", leads me to believe you may have all of the Front Panel wires disconnected.

How about information as to where ALL the Front Panel wires go?
(Provided I have correctly interpreted your statement)

Back in the time that the eMachines T2542 was made, TriGem was the motherboard manufacturer.

The Model Name of the motherboard is Imperial, and the Model Number of the motherboard, could have been one of four variations offered.

Model Name: Imperial
Model numbers could be G, GL, GV, or GLVE
(Imperial G, Imperial GL, Imperial GV, or Imperial GLVE)

ALL four variations used the same Front Panel header.
(The connector on the motherboard the Front Panel wires connect to, is named the Front Panel header)

I would like you to view this page,

http://www.e4allupgraders.info/dir1/ecase/support/front_panel_header_support.shtml

Scroll down to the heading -
Trigem Imperial Front Panel Header Pinout.

A) Pins 1, 2, and 3 are for the Power On LED light.

B) Pins 5 and 6 are for the HarDDrive activity LED light.
(Pin 4 is not used. NC. No Connection)

C) Pins 7 and 8 are for the Power On switch

D) I wouldn't connect any wires to Pins 9 and 10, nor Pins 11 and 12

E) Pins 14 and 15 are for the Reset switch. (The button you press to restart your computer.
If the T2542 doesn't have a Reset switch, don't worry about it. There are many other ways to restart your computer)

F) Pins 17 18, and 20 are for an internal speaker.
This speaker is used for BIOS Beep Codes.

In the chart to the right, you will see GRD used many times.
GRD stands for Ground.
ANY Black wire in the twisted pair of wires, is a Ground wire.

Most of the eMachines I have worked on, use a Red, and Black pair of twisted wires for the Power On switch.
I could be mistaken on the T2542.

Best method, is to follow the color code of the wires that come from Pins 7 and 8, and be sure.

Aug 17, 2010 | E-Machines T2542 PC Desktop

1 Answer

Imperial GL VE 134841 20020930; need drivers &


If its in an HP machine go to HP site and download from there.

Apr 21, 2010 | Computers & Internet

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