This may be "old hat", but maybe not because I don't see much talk about it here. (or anywhere else, for that matter) Tonight I succeeded in bringing up a small SRM network, with an SRM/UX server and

On this last day of 2020, which was definitely a rotten year, my dear HP 9825 made a bad noise, let some weird smell out, and the display went all crazy. The power regulator transistor in the 5V suppl

I’ve upgraded my HP 9000 400s to a 433s by replacing the 68030 processor with a 68040. This means I also had to change the boot rom, the 1818-5108 rom on the motherboard wasn’t compatible with 68040.

The following files have been uploaded to the Files area of the VintHPcom@groups.io group. /HP9000 Series 400/Boot ROM/1818-5108.bin By: Rik Bos Description: HP 1818-5108 Version 3.0 Boot ROM from 199

Hi all! Generally speaking, this topic has been beaten (nearly) to death (9122, etc) but here I am again with a faulty Sony floppy drive, this time from one of my Integrals. It's a Sony OA-D32W-10. (I

I have a nice little HP Integral that I intend to work a bit with. It is working fine except for possibly that the power button is not staying in ON position. I have read about the Software Engineerin

The following files have been uploaded to the Files area of the VintHPcom@groups.io group. /Drive info/Sony_OA-D32_Microfloppy_Service_Nov83.pdf By: Paul Berger Description: Sony service manual for th

I’ve looked into building a HP-HIL to USB interface a bit and it’s going to be a little bit of work: The approach that I’ve planned to take whenever I try this again is to use an AVR or two solely as

Re: Upgrading HP9000 model 380 to 385 or '385+' specification I should start by saying that I haven't done this yet! However, I think I mostly know what to do. Both 33 MHz and 40 MHz 68040 can be foun

Hi all, I'm looking for a 21MX RTE image for use with HPdrive, which is compatible with the 12992J CS/80 loader. From the loader docs this could be an image of 7908x / 7911x / 7912x / 7935x discs. Eit

Achim Buerger added folder /HP9000 Series 400

The photo of the 16 bit sos chip... on the header of this group... was that from a 3000/30 system or? We have had one of thsee since the mid 1980s Thanks - Ed In AZ. Smecc.org. SMECC MUSEUM PROJECT

An Introduction - Ed Sharpe and SMECC Museum Project Some HP Stuff about me... -Life long love of HP stuff - URGENT NEEDS!-- 2883 Disc Drive and GE Termiinet with HP paint job and tractor feed ... alt

Now that I have my 1000 pretty much configured , I am starting to think about digging into my 3000 . Is it possible to use hp drive for disk is there a image that would work. I think it might have som

Hi all, I have a C1533A DDS-2 drive which does not read tapes anymore. A possible cause is a detoriated pressore roller next to the rotating RW head (see photo with red arrow). This roller seems to be

As pointed to in another forum : https://www.ebay-kleinanzeigen.de/s-anzeige/hewlett-packard-2116b-2116-b-vintage-mainframe-computer-1969/1612793281-240-20952 Just wow...

How do you guys connect your 9000/300 or 400 systems to a monitor. The old HP (Sony) monitors are bulky and heavy not very handy if you’re not pledged with a lot of space. I’m using a little circuit

The following files have been deleted from the Files area of the VintHPcom@groups.io group. Crowbar hp98x5.rar By: Rik Bos The following files have been uploaded to the Files area of the VintHPcom@gro

https://youtu.be/W1sGybyiDLo This video is about dismantling old computers in the '70th at the end there some. HP equipment appears. -Rik

Hi all, there is an auction on Ebay "Kleinanzeigen" (classified) in Germany for various HP2100 boards: https://www.ebay-kleinanzeigen.de/s-anzeige/original-hp-platinen-aus-laborrechner-ca-1974-/139648