Thread View: comp.sys.transputer
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Started by HELLER%dgatum5p.earn
Mon, 18 Jul 1988 20:35
parity on b004
Author: HELLER%dgatum5p.earn
Date: Mon, 18 Jul 1988 20:35
Date: Mon, 18 Jul 1988 20:35
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Date: 18-JUL-1988 13:34:42.89 >From: HELLER AT DGATUM5P To: @TRANSPUTER,HELLER Subj: parity on b004 Hello everybody! Has anybody any experience with the IMS B004 paritycheck? When I run the ramtest program from INMOS, everything seems to be ok. But the trouble starts when executing my user-program (a pure occamII program with nothing special in it), which monitors parity, too: parity becomes set at random times, sometimes only a few seconds after programstart. Errorlocation bank3, byte1 is displayed often. Is there a bug in the hard- or software (initialisation?) or is my RAM really damaged? Thanks Helmut Heller
Re: parity on b004
Author: you%cavax3.cis.canon.junet
Date: Wed, 20 Jul 1988 01:03
Date: Wed, 20 Jul 1988 01:03
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>Is there a bug in the hard- or software (initialisation?) or is my RAM >really damaged? I have two b004 boards. One board had a hardware bug. It sometimes stopped after a few minutes from turning on IBM-PC. But it worked quite OK when it was cooled by a fan. In that time, I didn't have enough time to repair it via INMOS. Also, from JAPAN, it took more than two months to repair it! Then I repaired it by myself and found that length of a pin of a DRAM socket was too short to be soldered! I don't know about your case, but you'd better ask INMOS Ltd. to check or repair your board. Toyokazu Uda (you%canon@kddlabs.junet) Information Systems Research Centre Canon Inc. Tokyo Japan
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