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Conference noted::decnis

Title:	DEC Network Integration Server (DECNIS)
Notice:	Please read note 1 to use this conference effectively
Moderator:	MARVIN::WELCH

Created:	Wed Sep 18 1991
Last Modified:	Thu Jun 05 1997
Last Successful Update:	Fri Jun 06 1997
Number of topics:	3660
Total number of notes:	15082

3619.0. "2 MPC-III doa ?" by LEMAN::SCHEIDEGGER (Raymond @GEO - DTN 821-5236) Tue Apr 29 1997 05:51

Hi,

I have a HW problem with 2(two) MPC-III cpu card.

Customer has 2 DECnis and has order 2 MPC-III update.

o Update a DECnis from a  MPC-II card to MPC-III.

  - Power off
  - Use static protection
  - swapp CPU cards
  - Power on   
 
o Lights and display :

  - NO LEDs 
  - Just a dot "." on the display 
	-> Processor card has failed its module self-test

o DOA ??? Why not.

o Take the 2nd MPC-III card.
 
  same problem ...

  doa again ?

o MPC-II card back into the DECnis ... OK

Question 1 : Do we have to check revisions on Power Supply, 
	     Mem card, Backplane ???
Question 2 : Could we have a power supply problem ?
	     Does the II and III cards using same voltage ?

It's strange for me to have 2 doa cards.

Any other suggestions ?

Raymond Scheidegger
DTN 821-5236

T.R	Title	User	Personal Name	Date	Lines
3619.1	try these	MARVIN::HIGGINSON	Peter Higginson DTN 830 6293, Reading UK	`Tue Apr 29 1997 17:52`	21
	Raymond, No real idea but some thoughts: 1) is it a 500 or a 600 (power supply issues with 600's are very rare). 2) plug a terminal in at 9600 and see if it even outputs the rom banner (before the tests). 3) power on with the red button in (to clear bbram) 4) visual check - is the daughter card properly plugged in, are the two flash chips (in square sockets on the under-side of the daughter card) correctly inserted. (Is there a daughter card, are there flash chips in the sockets?) 5) are the memory simms present and firm (are there two of them)? Peter
3619.2		MARVIN::HIGGINSON	Peter Higginson DTN 830 6293, Reading UK	`Fri May 02 1997 03:55`	12
	Another thing to check: are any jumpers (links) fitted? Report the info here and I'll check against a working card. (I believe there should not be any, however a link is fitted for manufacturing tests and might just have been left on.) Peter
3619.3	More infos	LEMAN::SCHEIDEGGER	Raymond @GEO - DTN 821-5236	`Mon May 05 1997 05:18`	27
	Hi, 1. We order a new part from logistic. Same problem ... On the spare part the 50-20715-01 a01 / 54-20716 was not correctly plugged in. -> plug in correctly and this is OK ... 2. On both DOA cards the same board was also not full plugged in. (2 millimeters) But the problem still present. ??? 3. On the DOA cards we have only the REV A01, no stickers with the card name (B1000-xx) 4. We have swapped the 32 Mb memory simm ...OK 5. All 3 jumpers are off 6. NO events on the console. 7. Same problem with the reset button ON at power on. Raymond
3619.4	Another DOA MPC-III with a red dot !!	COMICS::WEIR	John Weir, UK Country Support	`Wed May 21 1997 06:32`	11
	It looks as though DOA MPC-III modules are fairly common. We just received an MPC-III for our lab systems and it arrived DOA. No lights working, just a red dot, as previously described. All chips, SIMMS etc were firmly located. Connecting a console got nothing. We obtained a replacement MPC-III and all is now OK. -- BTW this was a 16M MPC-III, not a 32M as in the base note. Regards, John