I have recently picked up 3 pallets of HP-85 machines, parts, software, etc. 276 pieces in all. This includes 10 machines. So if anyone is looking for anything...
Do you have some tapes? I need one or more tapes to "play" with my HP-85A (after I restore the capstan). The problem is that I live in Brazil (Curitiba-PR). If...
Nelson, It is VERY IMPORTANT to put old unused tapes, before you use (or turn them) them, in a oven for several hours at 60 degrees celcius. This is to...
Does anyone know what the HP Rom is that is labled 86002-16002? I suspect it is the CPM system for the HP86/87 since the circuit board assembly is housed in a...
Hi all, I have two 9135A Winchester disk drives, one of which is faulty. I have isolated the problem, by substitution, to the MSC controller which was fitted...
Hi apologies if this has cropped up before (new member) I have an 87 and single full height 5in floppy drive, and the above mentioned printer which looks like...
g3nyk wrote... g> Hi apologies if this has cropped up before (new member) I have an 87 g> and single full height 5in floppy drive, and the above mentioned g>...
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the hpseries80 group. File : /Technical...
hpseries80@yahoogroup...
Dec 31, 2007 6:58 pm
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Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the hpseries80 group. File : /Technical...
hpseries80@yahoogroup...
Dec 31, 2007 7:01 pm
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Hi Everett, thanks very much for the URLs there are a couple there I have not tried yet. I did fly a query on the BB on the HP Museum but had no responses. Is...
Alan wrote... AM> Is the "A" a GPIB driven printer too? If so the I/F card is probably the AM> same and the DIL switch settings may be similar?? No, the A...
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the hpseries80 group. File : /Technical...
hpseries80@yahoogroup...
Jan 2, 2008 11:26 pm
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I finally completed the reverse engineering project to get the complete schematics for the HP 82929A module. There is a new pdf file in the Technical...
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the hpseries80 group. File : /Technical...
hpseries80@yahoogroup...
Jan 29, 2008 7:05 pm
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Interesting, the TMS9918 is the same Video Processor that was used in the old TI-99. Have you ever seen it working ? Regards Jorge...
Just on the off-chance, has anyone in the group ever heard of a Cristie cassette drive from the 1970's period? I have a Cristie mini cassette containing...
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the hpseries80 group. File : /Technical...
hpseries80@yahoogroup...
Jan 29, 2008 8:07 pm
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Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the hpseries80 group. File : /Technical...
hpseries80@yahoogroup...
Jan 29, 2008 8:09 pm
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Jorge wrote... JA> Interesting, the TMS9918 is the same Video Processor that JA> was used in the old TI-99. That sounds right. JA> Have you ever seen it...
While troubleshooting the first version of a clone prototype of the programmable ROM Drawer I found a mistake on the schematics I previously uploaded. I...
I recently fixed a pair of HP-85's, besides the classic gummy capstan on the tape drive the timing belts on the printer were also degraded, one of the printers...
Jorge wrote... JA> Also the clone prototype based on TTL/CMOS parts seems to be JA> working fine, I've it under test on a 85A, I'll try later on JA> other...
... Yes, I've been trying to find some 36 pin edge connectors and just do an extender board similar of what you can still find for some pc's. The problem is...
Hi, A new batch of PRM-85 boards has recently been made by Bill. I currently have one tested and working board available (the rest are reserved to people on...
Hi, I learned the following from Jan Schiefer earlier today, and have confirmed it with my own set-up. ... Following this email I set up the following...
john_vc2004 wrote... j> Question for Everett then: what's the explanation here please? Does j> the EMS ROM on the 85B rely on the EMC or something else special...
