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RE: [techtoolslist] 6800 -> 6502 fluke pod conversion
by Joe 10 Sep '03

10 Sep '03

Do you have any around to sell? Even originals? -----Original Message----- From: John Robertson [mailto:jrr@flippers.com] Sent: Wednesday, September 10, 2003 1:45 AM To: techtoolslist(a)www.flippers.com; techtoolslist(a)www.flippers.com Subject: RE: [techtoolslist] 6800 -> 6502 fluke pod conversion I was looking at building a RS-232 port for my collection of 9010A's but haven't had the time...the problem is the hardware based ICs, I haven't found a replacement for the original part that would allow me to push the speed any faster - was thinking 120K would be nice ;-) John :-#)# At 02:00 AM 10/09/2003 -0500, Joe wrote: >Looks like the major difference is PHI 0 and 2. > >The 2 are extremely close. All address and data lines are on the same >pins. I believe op codes are the same. Definitely worth looking into. > > >Still looking for a 9010a RS-232 module, >JB >-----Original Message----- >From: John Robertson [mailto:jrr@flippers.com] >Sent: Tuesday, September 09, 2003 5:49 PM >To: techtoolslist(a)www.flippers.com >Subject: Re: [techtoolslist] 6800 -> 6502 fluke pod conversion > >I haven't done it, but it sure looks easy to find out. Your 6800 pod has >to >have the jumpers though, and not all of them do. > >It might be nice to make it switchable...a 2532 and some extra gates and >a >toggle switch? > >John :-#)# > >At 11:29 PM 09/09/2003 +0100, Dave Langley wrote: > > >I was wondering ... > > > >Since the schematics for the 6502 pod show it can be jumpered to go >from > >6502 to 6800, has anyone ever converted a dedicated 6800 pod to 6502? > > > >I have a unit that I can try on, just wondering if anyone has actually > >done this already to save me re-inventing the wheel? > > > >Thanks in advance for any input .... > > > >Dave Langley > >www.robotron-2084.co.uk > > > >

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RE: [techtoolslist] 6800 -> 6502 fluke pod conversion
by Joe 10 Sep '03

10 Sep '03

Looks like the major difference is PHI 0 and 2. The 2 are extremely close. All address and data lines are on the same pins. I believe op codes are the same. Definitely worth looking into. Still looking for a 9010a RS-232 module, JB -----Original Message----- From: John Robertson [mailto:jrr@flippers.com] Sent: Tuesday, September 09, 2003 5:49 PM To: techtoolslist(a)www.flippers.com Subject: Re: [techtoolslist] 6800 -> 6502 fluke pod conversion I haven't done it, but it sure looks easy to find out. Your 6800 pod has to have the jumpers though, and not all of them do. It might be nice to make it switchable...a 2532 and some extra gates and a toggle switch? John :-#)# At 11:29 PM 09/09/2003 +0100, Dave Langley wrote: >I was wondering ... > >Since the schematics for the 6502 pod show it can be jumpered to go from >6502 to 6800, has anyone ever converted a dedicated 6800 pod to 6502? > >I have a unit that I can try on, just wondering if anyone has actually >done this already to save me re-inventing the wheel? > >Thanks in advance for any input .... > >Dave Langley >www.robotron-2084.co.uk > >

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RE: [techtoolslist] 6800 -> 6502 fluke pod conversion
by John Robertson 10 Sep '03

10 Sep '03

I was looking at building a RS-232 port for my collection of 9010A's but haven't had the time...the problem is the hardware based ICs, I haven't found a replacement for the original part that would allow me to push the speed any faster - was thinking 120K would be nice ;-) John :-#)# At 02:00 AM 10/09/2003 -0500, Joe wrote: >Looks like the major difference is PHI 0 and 2. > >The 2 are extremely close. All address and data lines are on the same >pins. I believe op codes are the same. Definitely worth looking into. > > >Still looking for a 9010a RS-232 module, >JB >-----Original Message----- >From: John Robertson [mailto:jrr@flippers.com] >Sent: Tuesday, September 09, 2003 5:49 PM >To: techtoolslist(a)www.flippers.com >Subject: Re: [techtoolslist] 6800 -> 6502 fluke pod conversion > >I haven't done it, but it sure looks easy to find out. Your 6800 pod has >to >have the jumpers though, and not all of them do. > >It might be nice to make it switchable...a 2532 and some extra gates and >a >toggle switch? > >John :-#)# > >At 11:29 PM 09/09/2003 +0100, Dave Langley wrote: > > >I was wondering ... > > > >Since the schematics for the 6502 pod show it can be jumpered to go >from > >6502 to 6800, has anyone ever converted a dedicated 6800 pod to 6502? > > > >I have a unit that I can try on, just wondering if anyone has actually > >done this already to save me re-inventing the wheel? > > > >Thanks in advance for any input .... > > > >Dave Langley > >www.robotron-2084.co.uk > > > >

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List should be OK now...
by John Robertson 09 Sep '03

09 Sep '03

Hi All, According to my web host the list should be working...so if you posted in the last few weeks (I was away) and didn't see a result please repost. Sorry about that! John :-#)# How to subscribe or unsubscribe from TTL To do either you send email to "MajorDomo(a)flippers.com" and in the body you state either "Subscribe techtoolslist" or "Unsubscribe techtoolslist", note that the Subject is "" (Blank)... FTP site is: ftp://ftp.flippers.com/TTL/

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WTB: Fluke 9010a RS-232 port
by Joe 09 Sep '03

09 Sep '03

Hi, I am in need of a RS-232 card for the 9010a. Please email me with price. Thanks, JB

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Re: Fluke 9100A TL/1 Reference Manual
by John Robertson 09 Sep '03

09 Sep '03

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Fluke 9100A TL/1 Reference Manual
by James Bright 07 Sep '03

07 Sep '03

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W9X Multimeter using the audio section
by John Robertson 21 Aug '03

21 Aug '03

Nifty little design here - go to the Multimeter section (it's in English) and read up... http://www.i-adrian.home.ro/ John :-#)# PS, flippers.com is having some email troubles so you might get a bounce if you send anything - I hope not... How to subscribe or unsubscribe from TTL To do either you send email to "MajorDomo(a)flippers.com" and in the body you state either "Subscribe techtoolslist" or "Unsubscribe techtoolslist", note that the Subject is "" (Blank)... FTP site is: ftp://ftp.flippers.com/TTL/

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Fluke 6800 POD resets when testing UUT...
by John Robertson 15 Aug '03

15 Aug '03

I don't know if anyone else has had this happen, but I was fixing an Atari pinball MPU and my 6800 pod would give timeout errors and reboot the pod to the default display of "Fluke 9000 Ready". Found a number of interesting causes - first the 6800 uses both phase 1 & 2 clocks, and phase 2 was noisy. Fixed that... So far so good...still got the pod rebooting itself...strange. Unplugged the interconnect cable between the MPU and the Lamp/Audio AUX board and the pod worked perfectly (found additional faults on MPU RAM). Plugged the AUX cable back in - down went the pod. Even gave messages of self test etc flickeringly fast as the base would then reset. None of the lines connect directly to the address or data bus to the AUX board, but there is a filtered A1 and A2 that feed back to the CPU - weird, check the schematic! However if I put the AUX cable on sideways so not all contacts engage the board will work until I get near the A/1 end (the A1/2 are at the K end of the plug - long since connected) at which point the pod craps out again. Pull out scope. Check Audio output lines - they are noisy...find bad latch IC for one Address line for the Audio PROM. Now the board works fine with the AUX cable plugged in. I believe the noisy Audio lines were cross-talking with the two address lines and this was enough to load down the CPU and shut it down. Moral of the story? Don't assume that just because something isn't connected to the Address/DATA bus that it can't take the UUT down! (UUT = Unit Under Test) John :-#)#

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Flippers is back up
by John Robertson 12 Aug '03

12 Aug '03

I don't know if anyone was trying to email the list since Friday 11AM...but the site was done and everything would have bounced. So this is just a note to let everyone know TTL is back up... John :-#)# How to subscribe or unsubscribe from TTL To do either you send email to "MajorDomo(a)flippers.com" and in the body you state either "Subscribe techtoolslist" or "Unsubscribe techtoolslist", note that the Subject is "" (Blank)... FTP site is: ftp://ftp.flippers.com/TTL/

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