T40P Questions / Issues

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tkxmoe · #1 Post by **tkxmoe** » Mon Aug 20, 2007 4:11 am

Hey guys, i recently was given a decommissioned IBM T40P laptop, the laptop is currently missing the battery and hard drive, however i was given a genuine IBM 19V 2.4A powerpack.

When i plug in the laptop and attempt to turn it on nothing apart from the fans start.

Do you need a battery in the laptop for it to boot? Or is my problem powerpack related?

Thanks in advance

SHoTTa35 · #2 Post by **SHoTTa35** » Mon Aug 20, 2007 6:17 am

well they probably gave you an AC Adapter from a T6x or something because the older Thinkpads use 16volts.

pianowizard · #3 Post by **pianowizard** » Mon Aug 20, 2007 8:33 am

You need an AC adapter that supplies 16V and 4.5A. Look for part numbers 02K6756 or 02K6749.

#4 Post by **KristianJ** » Mon Aug 20, 2007 9:01 am

Welcome to the forum!

If I had a spare 72W (16 x 4.5) adapter, I'd gladly sell it to you, but my spare is my spare, if you know what I mean, and I use it whenever I'm out of the house.

Looking on eBay Australia the prices range from about $26 shipped for a non-IBM adapter up to about $35 for a genuine IBM adapter. I have one of each; the non-IBM one works fine for me. Check out eBay and find out for yourself would be my advice, or see whether the person who gave you the T6x adapter has a T4x one they can swap for.

tkxmoe · #5 Post by **tkxmoe** » Mon Aug 20, 2007 6:04 pm

Thanks for the reply guys, i ordered a T40 powerpack first thing this morning.

Just out of curiosity, does a T40P actually say T40P on the laptop or just T40? I lifted the keyboard of another T40 and it had no heatsink on the ATI 7500 gpu but when i took my keyboard off it has a copper heatpipe and heatsink on the gpu.

My laptop is a type 2373-72M, Is this a T40 or a T40P?

#6 Post by **richk** » Mon Aug 20, 2007 6:56 pm

That model is a T40. A T40p would say T40p on the LCD faceplate. If you have a long fan, someone changed it. What is your motherboard part number (visible by removing the rear memory cover and the chip there if there is one) Since your model was supposed to come with an Ati 7500 and a short fan, something was changed. The long fans only originally came on other graphics chips. Also, is the model on the BIOS screen the same as the one on the sticker?

tkxmoe · #7 Post by **tkxmoe** » Mon Aug 20, 2007 7:16 pm

richk wrote: What is your motherboard part number (visible by removing the rear memory cover and the chip there if there is one)

I cant get it to boot as i dont have the power pack :S However under the memory cover it says P/N 91P7715

#8 Post by **richk** » Mon Aug 20, 2007 7:20 pm

That's a normal T40 motherboard. It would have come originally with a short fan

tkxmoe · #9 Post by **tkxmoe** » Mon Aug 20, 2007 7:23 pm

Ill make pictures comparing the two, both have different cooling on the GPU. Hopefully ill have the correct powerpack tomorrow

#10 Post by **richk** » Mon Aug 20, 2007 7:28 pm

Having the long fan certainly won't hurt.

#11 Post by **KristianJ** » Tue Aug 21, 2007 4:31 am

richk wrote:Having the long fan certainly won't hurt.

That's for sure - with some of the available Pentium M CPUs on eBay, the long fan will be one less thing you need when/if you decide to upgrade the CPU.

Temetka · #12 Post by **Temetka** » Wed Aug 22, 2007 12:17 am

If the AC Adapter is a genuine IBM part you could offer it for sale or trade in the marketplace for a T4x AC Adapter.

Just a thought.

tkxmoe · #13 Post by **tkxmoe** » Wed Aug 22, 2007 8:57 pm

Good idea

However the laptop doesnt boot with the correct power supply.

When i hit the power button only the fans spin, thats with memory and powerpack only.

Do they need a hard drive and battery to turn on?

#14 Post by **bill bolton** » Wed Aug 22, 2007 10:02 pm

tkxmoe wrote:Hey guys, i recently was given a decommissioned IBM T40P laptop, the laptop is currently missing the battery and hard drive, however i was given a genuine IBM 19V 2.4A powerpack.

When i plug in the laptop and attempt to turn it on nothing apart from the fans start.

Bad move!

The T4x ThinkPads are rated for a 16V regulated input voltage, so you may well have fried your planar (motherboard) just by plugging the 19V supply into your T40.

Cheers,

Bill B.

tkxmoe · #15 Post by **tkxmoe** » Wed Aug 22, 2007 10:51 pm

I tried it only in one T40, still doesn't explain why the other one doesn't work.

Guess they are both going to the bin if i cant get it working

Temetka · #16 Post by **Temetka** » Thu Aug 23, 2007 1:55 am

You could offer them for sale as parts / repair machines in the marketplace here. I am sure someone would be interested in them.

#17 Post by **KristianJ** » Thu Aug 23, 2007 2:45 am

Temetka wrote:You could offer them for sale as parts / repair machines in the marketplace here. I am sure someone would be interested in them.

I might be - will keep an eye on the thread. Unless you mean you'd throw adapters into the bin.

If you have issues though and want to get rid of them, send me a PM, because I might be looking at getting hold of a 14.1" T4x for my parents soon and could find some spare parts handy.

tkxmoe · #18 Post by **tkxmoe** » Thu Aug 23, 2007 4:59 am

Does anyone know of any possible fixes? Or does it look like both need new system boards?

If someone in Aus is after one like this send me a PM

Temetka · #19 Post by **Temetka** » Thu Aug 23, 2007 5:02 am

Sure,

You can always try the correct power supply.

tkxmoe · #20 Post by **tkxmoe** » Thu Aug 23, 2007 7:41 am

I have tried the correct power supply, no go. Anyideas?

SHoTTa35 · #21 Post by **SHoTTa35** » Thu Aug 23, 2007 9:01 am

so now that you've tried the correct PSU what happens? Does it not turn on or does it turn on but beeps or what?

tkxmoe · #22 Post by **tkxmoe** » Thu Aug 23, 2007 5:09 pm

all the fans turn on, and nothing else. No beeeps

#23 Post by **richk** » Thu Aug 23, 2007 5:35 pm

Unplug. Remove the main battery. Push the power button 10 times, holding the last time for a full 10 seconds. Put the battery bask. Plug it in, and try again.

tkxmoe · #24 Post by **tkxmoe** » Thu Aug 23, 2007 6:11 pm

I dont have a battery or a hard drive :S

Laptop with ram and powerpack thats it.

Ill give it a go and get back to you.

Nup nothing

Do they turn on without hard drives?

#25 Post by **bill bolton** » Thu Aug 23, 2007 6:47 pm

tkxmoe wrote:Do they turn on without hard drives?

A properly function T4x does. Normally, you would see some screen activity leading eventually to diagnostic prompts from the boot manager, if you power-on without a bootable device attached to the system.

Cheers,

Bill B.

Temetka · #26 Post by **Temetka** » Fri Aug 24, 2007 3:06 am

It sounds like the system was stripped.

Remove the Keyboard and underneath you will see the CPU HSF. Remove the HSF.

Let us know if you have a CPU.

If so, let us know what the processor markings are.

#27 Post by **bill bolton** » Fri Aug 24, 2007 4:43 am

Temetka wrote:Let us know if you have a CPU.

And/or memory!

Cheers,

Bill B.

tkxmoe · #28 Post by **tkxmoe** » Fri Aug 24, 2007 6:04 am

Has a 1.5 Centrino SLZK or something from memory and i have ram from my dell laptop in it.

Temetka · #29 Post by **Temetka** » Fri Aug 24, 2007 2:43 pm

Temetka wrote:It sounds like the system was stripped.

Remove the Keyboard and underneath you will see the CPU HSF. Remove the HSF.

Let us know if you have a CPU.

If so, let us know what the processor markings are.

Did you do this?

It sounds like you did not.

tkxmoe · #30 Post by **tkxmoe** » Fri Aug 24, 2007 8:39 pm

I did i took pictures even, just to lazy to check the stepping

Trust me it has a cpu.

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