Search found 170 matches

by OleVoip
07 Aug 2020, 23:03
Forum: Keyboards
Topic: IDENTIFY THE KEYSWITCH thread
Replies: 239
Views: 30368

Re: IDENTIFY THE KEYSWITCH thread

Linear switches in a keyboard that was found lying outside a textile factory. The keyboard appears to have been part of a computerised weaving machine, and I can't find anything about the switches that it uses. Has anyone seen them before? They've got a pretty short travel, are fairly smooth, and t...
by OleVoip
30 Jun 2020, 14:18
Forum: Off-topic
Topic: IBM 5170 help
Replies: 8
Views: 2639

Re: IBM 5170 help

I would do the following with a device that has not been switched on for decades: https://antiqueradio.org/dimbulb.htm
by OleVoip
05 Jun 2020, 18:14
Forum: Keyboards
Topic: IDENTIFY THE KEYBOARD thread
Replies: 4311
Views: 381915

Re: IDENTIFY THE KEYBOARD thread

Also, what do you think of this one ? https://i.ebayimg.com/images/g/icUAAOSwBoxeB1t4/s-l1600.jpg A geekhack thread mentions Cherry ML, but these caps are also present on Rubber domes and Siemens STB switches. So I don't really know I'd assume that one to have STB switches – the lasered tops speak ...
by OleVoip
19 Aug 2019, 19:11
Forum: Other external
Topic: Great/Interesting Finds
Replies: 23902
Views: 1872622

Re: Great/Interesting Finds

Two old siemens boards with STB 21 switches and AT compatibility for any Swedish buyers. Thank you for sharing this. The field programmer board on the lower image is quite interesting - you rarely find them offered with case and cable. Beware of the other one, though. It's not easy with this style ...
by OleVoip
07 Aug 2019, 13:30
Forum: Keyboards
Topic: Stuff I got in China (Poll)
Replies: 30
Views: 4702

Re: Stuff I got in China (Poll)

A Siemens keyboard of unknown model. Uses Siemens's STB switches. That's a Siemens TA-BS/1200 teletypewriter keyboard. There seem to be quite a number of variants of it. This one is not in the overview photo not because it's not worthy; it's simply TOO BIG. A stage light controller apparently, with...
by OleVoip
24 Jun 2019, 13:28
Forum: Keyboards
Topic: Siemens F500
Replies: 5
Views: 1128

Re: Siemens F500

I new, I've seen it somewhere, but now I remember, kbdbabel has the pinout:
http://www.kbdbabel.org/conn/kbd_connector_falco.png

Note that the scan codes are likely to need remapping.
by OleVoip
21 Jun 2019, 15:20
Forum: Keyboards
Topic: Siemens F500
Replies: 5
Views: 1128

Re: Siemens F500

This keyboard was made by Falco for their F500 terminal, which was sold by Siemens as an operator's terminal for their HICOM 300-series telephone exchanges around 1990. Here you can find photos of it Falco branding: http://bitsavers.trailing-edge.com/pdf/falco/Falco_F500/pictures/ Siemens branding: ...
by OleVoip
27 Feb 2019, 10:36
Forum: Keyboards
Topic: IDENTIFY THE KEYBOARD thread
Replies: 4311
Views: 381915

Re: IDENTIFY THE KEYBOARD thread

Function keys on the monitor, underneath dynamic labels. Neat!
by OleVoip
09 Feb 2019, 16:38
Forum: Keyboards
Topic: Why modern keyboard feel and look horrible compare to the beige era keyboard?
Replies: 25
Views: 2627

Re: Why modern keyboard feel and look horrible compare to the beige era keyboard?

Prices were steeply falling also for original parts. Prices from the 1990ies already cannot really be compared with those from the mid 1980ies. In 1996, you paid for a new 102-key IBM-labelled model M just about half the price of 1986; adjusted for inflation it actually was just about a third of the...
by OleVoip
09 Feb 2019, 14:43
Forum: Keyboards
Topic: Why modern keyboard feel and look horrible compare to the beige era keyboard?
Replies: 25
Views: 2627

Re: Why modern keyboard feel and look horrible compare to the beige era keyboard?

I showed some parts catalogs of IBM terminals in my Model F review - prices for several Models F were shown in that price list, and they numbered in the $300-400+ range. That list was from 1984 iirc. The average IBM-keyboard shop prices I posted in the other thread correspond to about $ 300 in 1986...
by OleVoip
09 Feb 2019, 13:43
Forum: Off-topic
Topic: IBM beam spring and vintage computing prices in general - speculators?
Replies: 23
Views: 6424

Re: IBM beam spring and vintage computing prices in general - speculators?

Average gross prices for IBM replacement keyboards in Germany mid-1986 and what they correspond to today, taking inflation into account, and what that would be in dollars. IBM keybd DM'86 €'19 $ port. PC 654 590 670 Mod. F-XT 572 515 580 Mod. F-AT  721 650 735 Modell M 648 580 655 Source for net pri...
by OleVoip
31 Jan 2019, 19:53
Forum: Keyboards
Topic: IDENTIFY THE KEYBOARD thread
Replies: 4311
Views: 381915

Re: IDENTIFY THE KEYBOARD thread

After seeing it in person, I am confident somebody took an old Datasaab keyboard, desoldered the switches, put them in a strange layout and hand wired them. Still would like to know which machine this originally came from though. datasaab.jpg This keyboard came from an Alfaskop 3500 series terminal...
by OleVoip
23 Jan 2019, 21:11
Forum: Deskthority talk
Topic: Deskthority header images v2
Replies: 116
Views: 22368

Re: Deskthority header images v2

I always liked the tandberg header with the previous board version. Maybe this one is a bit 'square' - it's my fist attempt.
TDV-5000-header.jpg
TDV-5000-header.jpg (78.47 KiB) Viewed 6275 times
edit: This way, it seems to look better:
TDV-5000-header2.jpg
TDV-5000-header2.jpg (82.73 KiB) Viewed 6256 times
by OleVoip
05 Jan 2019, 20:28
Forum: Keyboards
Topic: IDENTIFY THE KEYBOARD thread
Replies: 4311
Views: 381915

https://deskthority.net/download/file.php?id=50879 Does anyone know what this is? The keycaps are vaguely similar to Siemens and RAFI but have a more rectangular shape. This used to be a German army keyboard for a PC that does encrypted communication. Switches should be Sasse, cf. https://www.flick...
by OleVoip
19 Dec 2018, 13:26
Forum: Other external
Topic: Great/Interesting Finds
Replies: 23902
Views: 1872622

Myoth wrote: https://www.ebay.fr/itm/Siemens-Nixdorf ... Swy~Jb6Ywc

unknown board but I'd bet Siemens STB series of switches
SIemens KBPC SX.
Sorry, no STBs — boards with that keycap style have rubber domes.
by OleVoip
12 Sep 2018, 13:10
Forum: Keyboards
Topic: Re-routing custom keys on a Tandberg TDV 5000
Replies: 4
Views: 453

No need to rewire. You only need to make a ps2 to usb converter and modify its software to swallow the 0x80 prefix and remap the code following it. For instance, you could use Hasu's code, https://github.com/tmk/tmk_keyboard, and change the matrix_scan function in converter/ps2_usb/matrix.c accordin...
by OleVoip
08 Sep 2018, 00:57
Forum: Keyboards
Topic: Re-routing custom keys on a Tandberg TDV 5000
Replies: 4
Views: 453

What it means exactly is that if one of the extra keys is pressed, the keyboard first sends scan code 0x80 and then the specific code for the key. For instance, the make code for "COMPOSE CHR" is the sequence 0x80, 0x1D. The 0x80 prefix gets ignored; hence, Switch Hitter sees only 0x1D and thinks it...
by OleVoip
13 Jul 2018, 20:35
Forum: Keyboards
Topic: Intel 8048 - Reading the ROM for Duplication
Replies: 7
Views: 1080

The 8048 wasn't programmable; hence, it doesn't show up in compatibility lists. The ROM bits were hardwired - created by photolithography along with the other transistors on the chip. However, the 8048 can be read. This project describes how this can be done with very little hardware (+5V plus +12V ...
by OleVoip
11 Jul 2018, 20:08
Forum: Other external
Topic: Great/Interesting Finds
Replies: 23902
Views: 1872622

Here's a Tandberg Data keyboard for sale in the Paris area for just 5€. Local pickup only unfortunately. https://img7.leboncoin.fr/ad-large/32a0b6b2a426b9bb693705d7da28e1babb8e31b0.jpg Is anybody familiar with this brand ? A quick googling makes me think this has Cherry MX blacks inside. Presumably...
by OleVoip
27 Feb 2018, 19:58
Forum: Keyboards
Topic: Need help to identify the space-cadet keyboard front-printed symbols
Replies: 38
Views: 4572

U+222E contour integral (integration along a closed curve)
by OleVoip
14 Feb 2018, 12:27
Forum: Other external
Topic: Great/Interesting Finds
Replies: 23902
Views: 1872622

Pristine military RAFI (NOS, ca. 1990), bit-paired ISO, RS 76 (C?)
https://www.ebay.co.uk/itm/-/282740094200
by OleVoip
07 Feb 2018, 13:20
Forum: Keyboards
Topic: Xerox terminal
Replies: 4
Views: 992

That's a Digital DECwriter-III from around 1980. They were used as teletypewriters but more often as printing terminals. DECwriters were the preferred operator/master consoles not only for VAXes and PDPs but also for similar systems of the era that were made by other manufactures (which, as the stic...
by OleVoip
05 Jul 2017, 19:25
Forum: Other external
Topic: Great/Interesting Finds
Replies: 23902
Views: 1872622

No, [wiki]Sasse series 25[/wiki].
by OleVoip
17 Jun 2017, 14:28
Forum: Keyboards
Topic: The Oracle Answers
Replies: 1533
Views: 160003

The SAB 8052B microcontrollers were onle mask-programmable, ie, could only be programmed by the chip manufacturer. There might be modern pin-compatible processors with flash or eeprom, but I don't think you can read the ROM from outside such that you could copy it into the new chip. What I've done i...
by OleVoip
15 May 2017, 14:21
Forum: Keyboards
Topic: IDENTIFY THE KEYBOARD thread
Replies: 4311
Views: 381915

Siemens boards with STB switches usually have doubleshot caps, not lasered ones. Like this one,
Image

There have been exceptions to that rule, but chances are low for this style of board.

edit (finally managed to add image reference)
by OleVoip
25 Mar 2017, 14:52
Forum: Gallery
Topic: Found another Siemens STB 11 Switch keyboard in the trash
Replies: 5
Views: 1224

Hi Gichtl, I'm sorry, IvanStroganov said he'd send me the caps but I haven't heard from him since. It's not quite easy to find replacements for these boards since Siemens used a V.11 balanced serial interface with a proprietary protocol. It's similar to that used by Tandberg, but the boards are not ...
by OleVoip
16 Mar 2017, 18:57
Forum: Keyboards
Topic: IDENTIFY THE KEYBOARD thread
Replies: 4311
Views: 381915

Another update on the typewriter keyboards.. [...] Long story short, I think these could be "side-angled vertical plate spring" switches :lol: or less confusingly... SKFF side-angled cream. Any thoughts on this? That's a Facit typewriter keyboard; compare with the one HaaTa found . edit: Sorry, I m...
by OleVoip
21 Jan 2017, 11:15
Forum: Off-topic
Topic: The Simulation Theory
Replies: 139
Views: 6686

kbdfr wrote: Cogito ergo sum
Who is 'I' and does 'I' really 'think'? Invalid assumptions are being made here.
by OleVoip
19 Jan 2017, 12:53
Forum: Workshop
Topic: Reverse engineer tablet keyboard connector
Replies: 7
Views: 776

There's been an attempt to determine the pin-out at another forum, https://forum.xda-developers.com/showthread.php?t=2270287 Note that with some devices, the plastic teeth left and right to the pins can have pins, too. The pin numbering in the answer refers to the image of the backside of the connec...
by OleVoip
19 Jan 2017, 08:53
Forum: Off-topic
Topic: What are you listening to at the moment?
Replies: 1504
Views: 152155

Glenn Gould plays Bach's F-minor Concierto, 1957

Go to advanced search