Puzzling T30

[jronald]

I have a T30 that will not boot with a known good stick of DDR
But without the memory installed gives, the 133 beep code.
Any ideas?

Ron

[Harryc]

Ron, I just went through a fiasco with a T30 where an IBM FRU PC2100 module wouldn't work in it, but all other sticks I tried worked. Try another stick of PC2100 or PC2700.

[jronald]

I guess it is worth a try
Too bad I dont have another stick
TigerDirect Retail is just 30 mins south of me
Looks like a trip is in my future

Thanks
Ron

[jronald]

OK
Swapping the RAM now get it going a little farther
I have no video, either out or on the LCD
Any Ideas?

Ron

[Harryc]

Does it appear to boot? In other words, any hard drive activity after power up?

[jronald]

Have not put a HDD in it
It does not give me a post beep
I have a T23 HDD that I could slap in it, its close enough that it should post, boot and then protest.
Or I could put the CDROM in and post it to Knoppix
Think its worth a try?

Ron

[jronald]

OK
Got video out, I reseated the memory
The original panel was a Hitachi, the replacement is a Samsung
Are the inverters the same?

Ron

[RealBlackStuff]

Inverters are the same for both XGA and SXGA on a T30.
LCD cables are different.
Your T30 had XGA.

[jronald]

Different beast
The Hitachi cable mated with the Samsung display with no problems
So i assumed the 2 LCDs were the same but in name only
Im missing a boatload of screws, though it is possible that is the issue

Ron

[sjthinkpader]

What are the OEM part numbers, TX36xxx for Hitachi and LTN141xxxx for Samsung?

[jronald]

Old
TX36D37NC1NAA
11P8292
11P8297

New
LTN141XE-LU1
11P8289
11P8294

Thanks
Ron

[RealBlackStuff]

The new Samsung probably reads: LTN141XE-L01 instead of LU1
Another working Samsung: LTN141PE-L01 with FRU 11P8273
The difference might be (?) 150 and 200 nit.

[jronald]

So each can replace the other?

Ron

[sjthinkpader]

The new Samsung probably reads: LTN141XE-L01 instead of LU1
Another working Samsung: LTN141PE-L01 with FRU 11P8273
The difference might be (?) 150 and 200 nit.

The X in LTN141X... is for XGA
The P in LTN141P... is for SXGA+

So they would use different cables.

[jronald]

OK
Im back to scratching my head
With the new memory it will not post, powers up but then shuts down
Leave the memory out and your back to the beep codes

Ron

[jronald]

Anyone with any ideas
Without memory I get beeps
With memory I get nothing (Fan spins then dies)
Have to remove the CMOS to get it to sort of reboot

Ron

[truk]

I now have this machine. Tried my good RAM stick, a CPU swap, and disconnected the screen entirely. It powers up, shows LEDs, the fan comes on, no HD activity, runs about 3 seconds, and dies. There is a click as it dies (like a relay drop) and it needs to be unplugged for a min before it will try to start again. I'm just starting in this stuff, and have a POST card on the way for it and another machine I have. Any hints to what that click might be, or whats causing this?

EDIT: found fuse five was blown. No replacements so I shorted it. Seemed to work okay until I knocked a resistor, and the resistor fried (lots of smoke.) I don't think I can fix it, since there is a good little black spot where it was. I'm still trying, but I'm also putting up a wanted post for a t3x mb.

[jronald]

My insanity is now your insanity......
I had it posting on an external monitor, with PC2700 in it

Have fun
Ron