Hi, I have one of these wonderful modules for sale, it is in good condition and works fine. I can supply any two ROMs on 2764 EPROMs from those available: ...
Hi, I was trying out some modules on an HP-85 this week, and it took several goes before they worked. The symptoms at various times were: - HP-IB interface not...
Hi John, It is known that even gold plated contacts corrode a little when they aren't in use. It has to do with the plating process on cctalk there was a...
Helge, 10,5 mm it is important to check the clearance between the cardridge and the back of the cardride holder. If the clearance is too big the tape switches...
Hi John, I concur with Rik, over time the pcb edge contacts develop some level of corrosion. I had a similar problem with a couple of modules. I normally open...
... I strongly recommend against using a rubber eraser. It removes gold, which is not what you want to do. Gold is like a solid made up of beach balls bumping...
Heads up: http://shop.ebay.com/merchant/sammyslave currently has the rare HP-87 Service ROM for $99.95, and 4 of the very useful HP-87 EDISK ROMs for a far...
Hi, I have a spare 98155A keyboard that works with the HP 9915 industrial computer. Here are some photos to show it working: http://photobucket.com/98155A The...
I have two Basic language programs dealing with transferring data via an RS232 interface from a HP-41CV calculator to an old IBM-PC. I need this re-written in...
Greeting to the group, I'm a new member. I have got one HP 9915, sadly without the Operator Interface (09915-66572). Do someone have one spare operator...
I'm looking around to purchase a HP-85 and a HPIB interface to allow me to control some items of T&M equipment. I have quite a limited budget but would welcome...
The tape unit on the HP 85 you buy will probably be damaged, and it is not a fun thing to fix. Avoid the the HP 85, and instead choose an HP 86B or HP 87XM and...
There is some demand, check eBay. eBay demand is very sporadic, one week some item sells for almost nothing and a few weeks later the same item in the same...
I recently aquired a CP/M module for the HP-86/87. Tonight, I wanted to download the CP/M system disk from hpmuseum.net but it seems that this great site is...
Go to http://www.series80.org I think that they have it. You will need to use the hp LIFUTIL utility Floppy disk for series 80 use LIF format, and usually 256...
The hpmuseum.net site is online again, and I was able to download the CP/M system disk image. So tonight, my CP/M experiments can start :-). Forunately, I have...
Jürgen, You need Teledisk to recreate the disks from the museum. Initializing of other disks can be done with the HP-85 it self. -Rik ... From: "Jürgen...
There are many low level disk tools around. I know Teledisk, ImageDisk (freeware), and the nice tools from www.hp9845.net (e.g., hpdir). I think the latter...
Hi Rik, yes, I am aware that I need to use Teledisk. Yesterday evening, I tried to create the CP/M system disk from the image I found on hpmuseum.net. I tried...
Jürgen, Did you ask Jon if he has another copy? Jon is in most cases very helpful . When you send him an email, he'll help you if possible . I use a Omnibook...
Rik, I will ask John, I've seen he has a working HP-87 CP/M system. Did you ever (successfully) replicate the CP/M system disk image from hpmuseum.net on your...
Not the HP-85 CP/M disk but lots of other disks , eg. HP-125 CP/M disks and other 85/86 disks etc. Even RTE disks are not a problem. -Rik ... From: "Jürgen...
I downloaded Teledisk 2.16, and it expects the image file to be in a native teledisk format with the extension TB0. The image file that I downloaded from the...
I managed to create the CP/M sytem disk :-) It seems that it was a floppy controller problem on one of my PCs. Anyway, Teledisk did not work on both PCs,...
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