Thanks... I have been looking at the http://www.ebay.com/itm/Universal-EEPROM-Flash-SPI-BIOS-24-25-BR90-93-USB-Programmer-6000-CHIPS-SP8-B-/371031966902?pt=LH_DefaultDomain_0&hash=item56633a84b6
Do you think that would do the chips? On Wed, Aug 20, 2014 at 4:25 PM, Todd Micallef <tmical...@gmail.com> wrote: > John, > > Don't forget to measure your 5V power supply output. I doubt you are having > a problem with it but the NVRAM write is disabled below a certain voltage > (~4.25v) > > Todd > > > On Wed, Aug 20, 2014 at 6:50 PM, <acb...@gmx.de> wrote: > > > the easy way to read nvram through usb is a usb-programmer that has your > > ram in its list of supported devices:-) > > > > this will not solve your problem though. if you reboot the unit after the > > first error messsage, amd the problem still exists, it is probably not > with > > the nvram. then it could be things like bus drive, chip select logic... > > ne way to avoid spending 3k is to bus the cpu board, this is cheaper. > > > > > > > > > Gesendet: Mittwoch, 20. August 2014 um 22:37 Uhr > > > Von: "John Phillips" <john.philli...@gmail.com> > > > An: "Discussion of precise voltage measurement" <volt-nuts@febo.com> > > > Betreff: Re: [volt-nuts] HP 3458A Mem test 1 hight. How do you read 32K > > memory chips? > > > > > > Yes they are DEI220Y-150 and DSI230Y-150 > > > On Aug 20, 2014 4:09 PM, "J. L. Trantham" <jlt...@att.net> wrote: > > > > > > > John, > > > > > > > > Which chips are these? Dallas NVRAM's? > > > > > > > > Do you have a part number? They can probably be read and programmed > > with > > > > the appropriate chip programmer. > > > > > > > > Joe > > > > > > > > > > > > -----Original Message----- > > > > From: volt-nuts-boun...@febo.com [mailto:volt-nuts-boun...@febo.com] > > On > > > > Behalf Of John Phillips > > > > Sent: Wednesday, August 20, 2014 3:54 PM > > > > To: Discussion of precise voltage measurement > > > > Subject: [volt-nuts] HP 3458A Mem test 1 hight. How do you read 32K > > memory > > > > chips? > > > > > > > > Hi, > > > > I have removed my 32k memory chips form my 3458A. Doe anyone have an > > easy > > > > way to connect them to a windows computer. USB would be my preferred > > > > connection to a 28 and 24 pin socket. I would like to be able to > read > > and > > > > write to the chips to validate the data. > > > > I have replace the chips and still get Mem test 1 High on start up. > > > > I really do not want to spend close to $3000 for KeySight to fix > > this. > > > > > > > > -- > > > > > > > > *John Phillips* > > > > _______________________________________________ > > > > volt-nuts mailing list -- volt-nuts@febo.com To unsubscribe, go to > > > > https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts > > > > and follow the instructions there. > > > > > > > > _______________________________________________ > > > > volt-nuts mailing list -- volt-nuts@febo.com > > > > To unsubscribe, go to > > > > https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts > > > > and follow the instructions there. > > > _______________________________________________ > > > volt-nuts mailing list -- volt-nuts@febo.com > > > To unsubscribe, go to > > https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts > > > and follow the instructions there. > > _______________________________________________ > > volt-nuts mailing list -- volt-nuts@febo.com > > To unsubscribe, go to > > https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts > > and follow the instructions there. > _______________________________________________ > volt-nuts mailing list -- volt-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts > and follow the instructions there. -- *John Phillips* _______________________________________________ volt-nuts mailing list -- volt-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts and follow the instructions there.
