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Hi, I have an ST which contains a floppy drive labelled MDP-30FD, same as shown here: https://www.atari-forum.com/viewtopic.php?t=39862 Does anyone know who the manufacturer was please? No pressing need to know, just curious and it may help with servicing at a future date. (And yes my drive...

Hello, I'm looking for a new printer ribbon for a 1980 dot matrix printer (Nascom IMP). Attached are some photos, was this compatible with any other printer please? I doubt Nascom designed s custom ribbon. Note on the base is a slotted axle for winding the ribbon. Thanks, John

Hi, Has anyone got a scan of such a manual please? I've found the CP/M technical manual on archive.org which has some useful info on ports and disk formats, but I'm looking for more basic info. One question I have (yet to try out) is how to adjust serial baud rate. I assume if I change it in the...

Anyone come across the Q1? This article: https://interestingengineering.com/innovation/worlds-first-desktop-computers-unearthed-in-london-house-clearance claims the Q1 microcomputer was launched in 1972 (using the Intel 8008), so about the same same as the Datapoint 2200 came out with the...

Hello, According to wikipedia the PC-8001 came with either 16K or 32K of RAM. I've only seen the 32K version (picture of my motherboard attached with 16 RAM chips each 16Kx1 bit on the left). If anyone has a 16K machine please confirm wherever their motherboard is the same or has only 8 RAM...

Hi, I've scanned my manual as I couldn't find it already on-line: https://www.dropbox.com/scl/fi/30661gpc4gnt93kcncz0g/Commodore-1084-PAL-instructions.pdf?rlkey=fqtak9tvtywx5qmekyj7rgxj3&dl=0 This is for a Philips made 1084 monitor for Europe (so 230V, PAL, 50Hz video) with mono sound, RGBI...

Hi, I bought this monitor back in 2015 as faulty, and it has been sat on my shelf until a few weeks ago. The service manual is on-line, make sure when downloading your copy has page 2 with the connector pin-outs and signals as some versions out there have this page missing. The monitor comes...

Hi, I have just bought a Coco SDC for my Radio Shack TRS-80 Colour Computer 2 (yes its a UK version with correct spelling!) . Machine is part number 26-3136A, currently has 16K RAM (64K chips on order). I copied the contents on the Coco SDC zip ...

Hello, Some time ago I posted about my ADI monitor (wrongly thinking it was a Taxan): https://forum.vcfed.org/index.php?threads/taxan-adi-px-22-and-ibm-5151-monitor-repair-queries.47063/ I had another look yesterday and it is labelled as a Tandon. Googling found an advert by ADI for their...

Hello, I have an Epson FX-80 printer which has an additional board which provides a serial interface. It has several switches (8 DIP and one push button), but I don't have a manual. I'm trying to identify the maker, I've attached a picture but Google hasn't found any hits for the several...

Hi, Apologies but my site at https://vintagecomputers.sdfeu.org is currently down (been out of service for a couple of weeks now), the sdfeu people emailed to say they were working to restore service. Regards, John

Hi, I have a Lucent 2900/260LF terminal, which is a dumb terminal unit with a serial port that uses a VGA screen as display and PS/2 keyboard for input. I found a manual here (appears to be manufactured by Boundless Terminals)...

Hi, I have a small website here: http://vintagecomputers.site90.net/cpm/z100.htm which is currently on 000webhost.com as a free web hosting site. Problem is I hit their limit of 100 unique visitors in a day which resulted in a suspension, and if this happens again (it will!) the site will be...

Spotted on ebay.com (I have no connection to the seller): https://www.ebay.com/itm/NEC-PC8001-N-BASIC-Vintage-Programming-Manual-Z80-Japanese-Computer-Platform/264355940361 If anyone has the English version of this or any other PC-8001 manual please PM me. Thanks, John

Hi, Quick summary - no issues found powers up with all the expected voltages under load. I have a stack of 3 PC-8001 units all with the same power supply. I have never powered these units on, so I thought I would go through and check them over before doing so (as a faulty PSU can damage an...

Hi, I've just fitted a new battery (lithium 3V, 2325 size) to my 2MB SRAM Melcard (PCMCIA card), which is working fine. Recognised by XP laptop, can format (FAT) and save and read files. On the back of the card is a space to write a 'Battery Expiration' date, but I have no idea how long a new...

Hi, Are there any plans please to update the forum to be more mobile browser friendly? If you need funds for a vbulletin update then I for one would make a small donation :-) Regards, John

From an email sent to members, non-members welcome (must book as per link), currently 47 spaces left: Welcome to the first meeting of 2018 of the Computer Conservation Society which is on Thursday 18th January 2018 at 2 for 2.30PM at the BCS London offices (see below). Our speaker is Oscar...

Hi, I have a Model 1 Expansion unit with an RS232 board, as per: http://akhara.com/trs-80/docs/model1/RS-232-C%20(1978)(Tandy)(pdf).zip My board is missing the DC converter, which takes 5V input and provides dual +/-12V outputs. The above manual shows the part number is Astec AA4890. Can...

Hi, My mate Doug has ported an Mk14 emulator to run in a web page, written in Javascript: http://www.dougrice.plus.com/dev/seg_mk14.htm Enjoy! Regards, John