Going from memory, no, you have to pull the roms and read them. At least, that's what a few of us in the group have done. You can access ram and nvram, though. -- Bill Ezell ---------- They said 'Windows or better' so I used Linux.

Actually, I believe that the MONITOR command will allow you look at storage anywhere within the address space of either of the processors, see pages 8.1 through 8.5 of the service manual. So it should be possible to READ the ROMs this way if both processors are working and communicating. However it would be pretty slow, and as all the ROMs are socketed, it's not a big deal to just remove them and read them in a programmer. Note that I haven't tried this. Regards, David Partridge -----Original Message----- From: volt-nuts-bounces@febo.com [mailto:volt-nuts-bounces@febo.com] On Behalf Of Bill Ezell Sent: 13 January 2013 13:28 To: volt-nuts@febo.com Subject: Re: [volt-nuts] vSolartron7081 rom reading Going from memory, no, you have to pull the roms and read them. At least, that's what a few of us in the group have done. You can access ram and nvram, though. -- Bill Ezell ---------- They said 'Windows or better' so I used Linux. _______________________________________________ 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.

Hi David, well it is currently working and close to calibrated as far as I can tell. But I want to get those calibration factors saved before it dies on me. Last calibrated 2008, and well down on drift by now. I get a diurnal 0.14 microvolt drift with a shorting plug that stays on when not in use. a drift of about 0.1 microvolts in about 3 weeks. Nothing else to confirm anything else as I have only just got it chatting out through the rs232. I will have to buy something to read them with. M K > From: david.partridge@perdrix.co.uk > To: volt-nuts@febo.com > Date: Sun, 13 Jan 2013 16:36:52 +0000 > Subject: Re: [volt-nuts] vSolartron7081 rom reading > > Actually, I believe that the MONITOR command will allow you look at storage anywhere within the address space of either of the processors, see pages 8.1 through 8.5 of the service manual. So it should be possible to READ the ROMs this way if both processors are working and communicating. > > However it would be pretty slow, and as all the ROMs are socketed, it's not a big deal to just remove them and read them in a programmer. > > Note that I haven't tried this. > > Regards, > David Partridge > -----Original Message----- > From: volt-nuts-bounces@febo.com [mailto:volt-nuts-bounces@febo.com] On Behalf Of Bill Ezell > Sent: 13 January 2013 13:28 > To: volt-nuts@febo.com > Subject: Re: [volt-nuts] vSolartron7081 rom reading > > Going from memory, no, you have to pull the roms and read them. At least, that's what a few of us in the group have done. > You can access ram and nvram, though. > > -- > Bill Ezell > ---------- > They said 'Windows or better' > so I used Linux. > > > _______________________________________________ > 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.

If all you want is to save the calibration factors, just issue CALIBRATE,DUMP command To refresh the EAROM calibration factors, issue CALIBRATE,REFRESH - barring component failure that should be good for another ten years or so. You can also display the NVM contents with the MONITOR command, but NOT re-write them. The only way that I am aware of that will write the caibration constants if they have been lost is to run a full calibration. Again all this in chapter 8. I don't know which ROM programmers that can read or write the ER3400 (just ignorance - there may be loads). Regards, David Partridge -----Original Message----- From: volt-nuts-bounces@febo.com [mailto:volt-nuts-bounces@febo.com] On Behalf Of m k Sent: 13 January 2013 16:57 To: volt-nuts@febo.com Subject: Re: [volt-nuts] vSolartron7081 rom reading Hi David, well it is currently working and close to calibrated as far as I can tell. But I want to get those calibration factors saved before it dies on me. Last calibrated 2008, and well down on drift by now. I get a diurnal 0.14 microvolt drift with a shorting plug that stays on when not in use. a drift of about 0.1 microvolts in about 3 weeks. Nothing else to confirm anything else as I have only just got it chatting out through the rs232. I will have to buy something to read them with. M K

I just noticed a gotcha, I need to set the key to calibrate before I may issue those commands, I guess I need a key. I have printed off the photo and measurements someone on this board did, now to get to a key shop... M K > From: david.partridge@perdrix.co.uk > To: volt-nuts@febo.com > Date: Sun, 13 Jan 2013 17:14:07 +0000 > Subject: Re: [volt-nuts] vSolartron7081 rom reading > > If all you want is to save the calibration factors, just issue CALIBRATE,DUMP command > > To refresh the EAROM calibration factors, issue CALIBRATE,REFRESH - barring component failure that should be good for another ten years or so. You can also display the NVM contents with the MONITOR command, but NOT re-write them. > > The only way that I am aware of that will write the caibration constants if they have been lost is to run a full calibration. > > Again all this in chapter 8. > > I don't know which ROM programmers that can read or write the ER3400 (just ignorance - there may be loads). > > > Regards, > David Partridge > -----Original Message----- > From: volt-nuts-bounces@febo.com [mailto:volt-nuts-bounces@febo.com] On Behalf Of m k > Sent: 13 January 2013 16:57 > To: volt-nuts@febo.com > Subject: Re: [volt-nuts] vSolartron7081 rom reading > > > Hi David, > > well it is currently working and close to calibrated as far as I can tell. But I want to get those calibration factors saved before it dies on me. Last calibrated 2008, and well down on drift by now. > > I get a diurnal 0.14 microvolt drift with a shorting plug that stays on when not in use. a drift of about 0.1 microvolts in about 3 weeks. Nothing else to confirm anything else as I have only just got it chatting out through the rs232. > > I will have to buy something to read them with. > > M K > > > _______________________________________________ > 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.

MK, Where are you? If you can't get a key made, I can probably send you one. IIRC, you can 'activate' the key by removing a wire from the key switch. That places it in 'CAL' mode. The schematic easily demonstrates this. I don't think it was 'shorting' the two switch wires. Of course that requires you to remove the top of the meter. Joe -----Original Message----- From: volt-nuts-bounces@febo.com [mailto:volt-nuts-bounces@febo.com] On Behalf Of m k Sent: Tuesday, January 15, 2013 4:30 PM To: volt-nuts@febo.com Subject: Re: [volt-nuts] vSolartron7081 rom reading I just noticed a gotcha, I need to set the key to calibrate before I may issue those commands, I guess I need a key. I have printed off the photo and measurements someone on this board did, now to get to a key shop... M K > From: david.partridge@perdrix.co.uk > To: volt-nuts@febo.com > Date: Sun, 13 Jan 2013 17:14:07 +0000 > Subject: Re: [volt-nuts] vSolartron7081 rom reading > > If all you want is to save the calibration factors, just issue > CALIBRATE,DUMP command > > To refresh the EAROM calibration factors, issue CALIBRATE,REFRESH - barring component failure that should be good for another ten years or so. You can also display the NVM contents with the MONITOR command, but NOT re-write them. > > The only way that I am aware of that will write the caibration constants if they have been lost is to run a full calibration. > > Again all this in chapter 8. > > I don't know which ROM programmers that can read or write the ER3400 (just ignorance - there may be loads). > > > Regards, > David Partridge > -----Original Message----- > From: volt-nuts-bounces@febo.com [mailto:volt-nuts-bounces@febo.com] > On Behalf Of m k > Sent: 13 January 2013 16:57 > To: volt-nuts@febo.com > Subject: Re: [volt-nuts] vSolartron7081 rom reading > > > Hi David, > > well it is currently working and close to calibrated as far as I can tell. But I want to get those calibration factors saved before it dies on me. Last calibrated 2008, and well down on drift by now. > > I get a diurnal 0.14 microvolt drift with a shorting plug that stays on when not in use. a drift of about 0.1 microvolts in about 3 weeks. Nothing else to confirm anything else as I have only just got it chatting out through the rs232. > > I will have to buy something to read them with. > > M K > > > _______________________________________________ > 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.

MK, All you need to do is unplug the jones plug where the key wiring goes to the circuit board. No need to do any wiring! Charlie On 1/15/2013 5:00 PM, J. L. Trantham wrote: > MK, > > Where are you? If you can't get a key made, I can probably send you one. > > IIRC, you can 'activate' the key by removing a wire from the key switch. > That places it in 'CAL' mode. The schematic easily demonstrates this. I > don't think it was 'shorting' the two switch wires. Of course that requires > you to remove the top of the meter. > > Joe > > -----Original Message----- > From: volt-nuts-bounces@febo.com [mailto:volt-nuts-bounces@febo.com] On > Behalf Of m k > Sent: Tuesday, January 15, 2013 4:30 PM > To: volt-nuts@febo.com > Subject: Re: [volt-nuts] vSolartron7081 rom reading > > > I just noticed a gotcha, I need to set the key to calibrate before I may > issue those commands, I guess I need a key. I have printed off the photo and > measurements someone on this board did, now to get to a key shop... > > M K > >> From: david.partridge@perdrix.co.uk >> To: volt-nuts@febo.com >> Date: Sun, 13 Jan 2013 17:14:07 +0000 >> Subject: Re: [volt-nuts] vSolartron7081 rom reading >> >> If all you want is to save the calibration factors, just issue >> CALIBRATE,DUMP command >> >> To refresh the EAROM calibration factors, issue CALIBRATE,REFRESH - > barring component failure that should be good for another ten years or so. > You can also display the NVM contents with the MONITOR command, but NOT > re-write them. >> The only way that I am aware of that will write the caibration constants > if they have been lost is to run a full calibration. >> Again all this in chapter 8. >> >> I don't know which ROM programmers that can read or write the ER3400 (just > ignorance - there may be loads). >> >> Regards, >> David Partridge >> -----Original Message----- >> From: volt-nuts-bounces@febo.com [mailto:volt-nuts-bounces@febo.com] >> On Behalf Of m k >> Sent: 13 January 2013 16:57 >> To: volt-nuts@febo.com >> Subject: Re: [volt-nuts] vSolartron7081 rom reading >> >> >> Hi David, >> >> well it is currently working and close to calibrated as far as I can tell. > But I want to get those calibration factors saved before it dies on me. Last > calibrated 2008, and well down on drift by now. >> I get a diurnal 0.14 microvolt drift with a shorting plug that stays on > when not in use. a drift of about 0.1 microvolts in about 3 weeks. Nothing > else to confirm anything else as I have only just got it chatting out > through the rs232. >> I will have to buy something to read them with. >> >> M K >> >> >> _______________________________________________ >> 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. > >

Thanks for that, I thought someone had once said that would work, but until I know it better I have been trying to change it as little as possible. Regards, M K > Date: Tue, 15 Jan 2013 18:08:02 -0800 > From: cblack@centurytel.net > To: volt-nuts@febo.com > Subject: Re: [volt-nuts] vSolartron7081 rom reading > > MK, > > All you need to do is unplug the jones plug where the key wiring goes to > the circuit board. No need to do any wiring! > > Charlie > > > On 1/15/2013 5:00 PM, J. L. Trantham wrote: > > MK, > > > > Where are you? If you can't get a key made, I can probably send you one. > > > > IIRC, you can 'activate' the key by removing a wire from the key switch. > > That places it in 'CAL' mode. The schematic easily demonstrates this. I > > don't think it was 'shorting' the two switch wires. Of course that requires > > you to remove the top of the meter. > > > > Joe > > > > -----Original Message----- > > From: volt-nuts-bounces@febo.com [mailto:volt-nuts-bounces@febo.com] On > > Behalf Of m k > > Sent: Tuesday, January 15, 2013 4:30 PM > > To: volt-nuts@febo.com > > Subject: Re: [volt-nuts] vSolartron7081 rom reading > > > > > > I just noticed a gotcha, I need to set the key to calibrate before I may > > issue those commands, I guess I need a key. I have printed off the photo and > > measurements someone on this board did, now to get to a key shop... > > > > M K > > > >> From: david.partridge@perdrix.co.uk > >> To: volt-nuts@febo.com > >> Date: Sun, 13 Jan 2013 17:14:07 +0000 > >> Subject: Re: [volt-nuts] vSolartron7081 rom reading > >> > >> If all you want is to save the calibration factors, just issue > >> CALIBRATE,DUMP command > >> > >> To refresh the EAROM calibration factors, issue CALIBRATE,REFRESH - > > barring component failure that should be good for another ten years or so. > > You can also display the NVM contents with the MONITOR command, but NOT > > re-write them. > >> The only way that I am aware of that will write the caibration constants > > if they have been lost is to run a full calibration. > >> Again all this in chapter 8. > >> > >> I don't know which ROM programmers that can read or write the ER3400 (just > > ignorance - there may be loads). > >> > >> Regards, > >> David Partridge > >> -----Original Message----- > >> From: volt-nuts-bounces@febo.com [mailto:volt-nuts-bounces@febo.com] > >> On Behalf Of m k > >> Sent: 13 January 2013 16:57 > >> To: volt-nuts@febo.com > >> Subject: Re: [volt-nuts] vSolartron7081 rom reading > >> > >> > >> Hi David, > >> > >> well it is currently working and close to calibrated as far as I can tell. > > But I want to get those calibration factors saved before it dies on me. Last > > calibrated 2008, and well down on drift by now. > >> I get a diurnal 0.14 microvolt drift with a shorting plug that stays on > > when not in use. a drift of about 0.1 microvolts in about 3 weeks. Nothing > > else to confirm anything else as I have only just got it chatting out > > through the rs232. > >> I will have to buy something to read them with. > >> > >> M K > >> > >> > >> _______________________________________________ > >> 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.

Hi Joe, I am in the UK near Guildford. But give me time to get to the locksmith at the weekend first. And I am going to try just unplugging the cal key too. Regards, M K > From: jltran@att.net > To: volt-nuts@febo.com > Date: Tue, 15 Jan 2013 19:00:57 -0600 > Subject: Re: [volt-nuts] vSolartron7081 rom reading > > MK, > > Where are you? If you can't get a key made, I can probably send you one. > > IIRC, you can 'activate' the key by removing a wire from the key switch. > That places it in 'CAL' mode. The schematic easily demonstrates this. I > don't think it was 'shorting' the two switch wires. Of course that requires > you to remove the top of the meter. > > Joe > > -----Original Message----- > From: volt-nuts-bounces@febo.com [mailto:volt-nuts-bounces@febo.com] On > Behalf Of m k > Sent: Tuesday, January 15, 2013 4:30 PM > To: volt-nuts@febo.com > Subject: Re: [volt-nuts] vSolartron7081 rom reading > > > I just noticed a gotcha, I need to set the key to calibrate before I may > issue those commands, I guess I need a key. I have printed off the photo and > measurements someone on this board did, now to get to a key shop... > > M K > > > From: david.partridge@perdrix.co.uk > > To: volt-nuts@febo.com > > Date: Sun, 13 Jan 2013 17:14:07 +0000 > > Subject: Re: [volt-nuts] vSolartron7081 rom reading > > > > If all you want is to save the calibration factors, just issue > > CALIBRATE,DUMP command > > > > To refresh the EAROM calibration factors, issue CALIBRATE,REFRESH - > barring component failure that should be good for another ten years or so. > You can also display the NVM contents with the MONITOR command, but NOT > re-write them. > > > > The only way that I am aware of that will write the caibration constants > if they have been lost is to run a full calibration. > > > > Again all this in chapter 8. > > > > I don't know which ROM programmers that can read or write the ER3400 (just > ignorance - there may be loads). > > > > > > Regards, > > David Partridge > > -----Original Message----- > > From: volt-nuts-bounces@febo.com [mailto:volt-nuts-bounces@febo.com] > > On Behalf Of m k > > Sent: 13 January 2013 16:57 > > To: volt-nuts@febo.com > > Subject: Re: [volt-nuts] vSolartron7081 rom reading > > > > > > Hi David, > > > > well it is currently working and close to calibrated as far as I can tell. > But I want to get those calibration factors saved before it dies on me. Last > calibrated 2008, and well down on drift by now. > > > > I get a diurnal 0.14 microvolt drift with a shorting plug that stays on > when not in use. a drift of about 0.1 microvolts in about 3 weeks. Nothing > else to confirm anything else as I have only just got it chatting out > through the rs232. > > > > I will have to buy something to read them with. > > > > M K > > > > > > _______________________________________________ > > 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.

Hi Charlie, partial success, calibrate,refresh worked, the display told me so, but the calibrate,dump command did not do anything visible. M K > Date: Tue, 15 Jan 2013 18:08:02 -0800 > From: cblack@centurytel.net > To: volt-nuts@febo.com > Subject: Re: [volt-nuts] vSolartron7081 rom reading > > MK, > > All you need to do is unplug the jones plug where the key wiring goes to > the circuit board. No need to do any wiring! > > Charlie > > > On 1/15/2013 5:00 PM, J. L. Trantham wrote: > > MK, > > > > Where are you? If you can't get a key made, I can probably send you one. > > > > IIRC, you can 'activate' the key by removing a wire from the key switch. > > That places it in 'CAL' mode. The schematic easily demonstrates this. I > > don't think it was 'shorting' the two switch wires. Of course that requires > > you to remove the top of the meter. > > > > Joe > > > > -----Original Message----- > > From: volt-nuts-bounces@febo.com [mailto:volt-nuts-bounces@febo.com] On > > Behalf Of m k > > Sent: Tuesday, January 15, 2013 4:30 PM > > To: volt-nuts@febo.com > > Subject: Re: [volt-nuts] vSolartron7081 rom reading > > > > > > I just noticed a gotcha, I need to set the key to calibrate before I may > > issue those commands, I guess I need a key. I have printed off the photo and > > measurements someone on this board did, now to get to a key shop... > > > > M K > > > >> From: david.partridge@perdrix.co.uk > >> To: volt-nuts@febo.com > >> Date: Sun, 13 Jan 2013 17:14:07 +0000 > >> Subject: Re: [volt-nuts] vSolartron7081 rom reading > >> > >> If all you want is to save the calibration factors, just issue > >> CALIBRATE,DUMP command > >> > >> To refresh the EAROM calibration factors, issue CALIBRATE,REFRESH - > > barring component failure that should be good for another ten years or so. > > You can also display the NVM contents with the MONITOR command, but NOT > > re-write them. > >> The only way that I am aware of that will write the caibration constants > > if they have been lost is to run a full calibration. > >> Again all this in chapter 8. > >> > >> I don't know which ROM programmers that can read or write the ER3400 (just > > ignorance - there may be loads). > >> > >> Regards, > >> David Partridge > >> -----Original Message----- > >> From: volt-nuts-bounces@febo.com [mailto:volt-nuts-bounces@febo.com] > >> On Behalf Of m k > >> Sent: 13 January 2013 16:57 > >> To: volt-nuts@febo.com > >> Subject: Re: [volt-nuts] vSolartron7081 rom reading > >> > >> > >> Hi David, > >> > >> well it is currently working and close to calibrated as far as I can tell. > > But I want to get those calibration factors saved before it dies on me. Last > > calibrated 2008, and well down on drift by now. > >> I get a diurnal 0.14 microvolt drift with a shorting plug that stays on > > when not in use. a drift of about 0.1 microvolts in about 3 weeks. Nothing > > else to confirm anything else as I have only just got it chatting out > > through the rs232. > >> I will have to buy something to read them with. > >> > >> M K > >> > >> > >> _______________________________________________ > >> 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.