ps2tv.txt PS/2 TV Option disk Readme
The board is marked as "Easy Motion". Rexon/Techmar had a software package for a unit similar to the PS/2 TV that was called PCTV (Aron sez) "I *think* that PCTV refers to a follow-on product that Techmar (Rexon?) made which was like the PS/2 TV but with some more capabilities."
Anyone have PCTV?
PS/2 TV Board
Opening the PS/2
Terminal is center positive, as you mentioned.
I pulled the board out to better measure the center pin. One-way screws affix the chassis cover to the base (yech), but a trip to the hardware store for four 8-32x3/8" SS machine screws fixed that. I only mention it because if one of you does the same (replace the four "feet" screws) be aware that the screw hole next to the video out socket must have a short screw installed, as the PCB is above it. I put two 6-32 flat washers under the head of that screw -- I guess I could have fired up the Dremel and shortened the screw a bit; as it was, I had to "thread" the 8-32 screw into the 6-32 FW. It would be an awfully easy way to break the PCB.
Ed. I was able to start the one
way screw with a little moxie and a standard screwdriver, then I switched
to my Gerber Multi-Tool and used the pliers to turn the screw out. Note
that the foot is made of a resilient plastic. I was able to push the plier's
jaws into the foot far enough to get a grip on the screw.
AC / DC Adapter
From Aron Eisenpress
24v 0.6a, center positive, 2.1 mm x 5.5mm barrel plug.
Scottie, I need Power NOW!
Jim Shorney sez:
AC / DC
Adapter Part Numbers
Finally! Aron Eisenpress suggests using a #167118, 24v @ 750mA $7.95 plus shipping
NOTE! Center Positive! Center Positive! Center Positive!
J7 RCA Jacks
PS/2 TV, PCTV and WS/TV Comparisons
Glenn A. Elliott has started Mission Impossible:
THE IBM ULTIMEDIA PS/2 TV, REXON/TECMAR PC/TV, AND TECMAR/KODEE WS/TV
These three tuners are apparently variations on a metal-case unit first marketed by IBM. IBM applied for Class B certification on 17 February 1992, and the FCC issued ID Number ANO2460 on 20 April 1992. Tecmar applied for certification of the PC/TV on 18 April 1995 and received FCC ID Number CGC8C2QUEEN on 26 May 1995, but perhaps only because of the parallel port present on the PC/TV but not the PS/2 TV. The WS/TV was only marketed as a Class A device, but its Installation and User Guide has Kodee Technologies copyrights of 1994 and 1995 and a Sun Microsystems copyright of 1996.
Each tuner has a wide, deep, low-profile metal case with no external control buttons, knobs, or switches (there is no power switch). In fact, the front panel only has a standard 0.25 inch headphone jack and either the IBM or Tecmar logo besides the case vents. All other ports are on the rear, as follows from left to right:
The PS/2 TV and PC/TV are controlled either directly from the keyboard or by (optional) software operating on an attached PC running DOS, Windows 3.x, or OS/2. The WS/TV can only be controlled through software (either command-line or Open Look GUI version) running on an attached Sun SPARCStation with a GX, TurboGX, or TurboGXplus frame buffer and SunOS 4.1.3 or later with OpenWindows 3.0 or later.
All three versions have a 181-channel NTSC TV tuner section and an internal speaker mounted behind the front case vents. All can show (optional) composite video and mono audio input or provide composite video and mono audio output from the TV tuner section. Each version also provides picture-in-picture (PIP) TV support, but only at 640x480 resolution in the PS/2 TV and PC/TV versions. Each version that the Webmaster has seen came with the same IBM-branded AC adapter.
The PC/TV and WS/TV units both have a parallel port, which
apparently was to be used for video capture. However, the WS/TV Installation
and User Guide says this is not supported by the WS/TV. The Webmaster
does not have a manual for the PC/TV, and does not know if the PC/TV software
supported the parallel port for any use.
Install PS/2 TV
Thanks to Will Ballance for providing the scans!
I am wondering if there were different versions of the PS/2 TV, as the original instructions do not match the physical layout of the unit I have, marked revision "G".
Power off, and disconnect power cord.
Connect Display In (shown as Display Cable) cable to the XGA/XGA-2/VGA
The PS/2 (R) TV (2460) unit displays full-motion NTSC analog video on a standard PS/2 color display from a variety of sources. These sources include cable TV, an external TV antenna, and traditional baseband video sources such as a video cassette recorder (VCR) or video disc player. Video can be presented as either a full-screen display or as a fixed size Picture-in-Picture (PIP) that places a video window over the user's full-screen application display. TV, audio and video attributes, including TV channel selection, volume, color, tint, brightness, contrast, and the PIP location can be adjusted using simple keyboard sequences or using software menu selections.
The PS/2 TV is fully supported in all VGA modes. In XGA (TM) mode, all functions of the PS/2 TV are supported except for the PIP function.
The PS/2 TV is packaged in an external enclosure that will normally be positioned directly below the display on the desktop. The unit contains a speaker and headphone jack, has its own power source and does not require a PS/2 system unit expansion slot.
The PS/2 TV is packaged in an external
enclosure that can be positioned under the display in most user environments.
This enclosure contains a speaker (Ed.
very cheesy mount- it's cardboard!!), headphone jack and power-on LED indicator.
No system unit expansion slot is required.
Scott A. Moore said:
Just a little further info:
These cards work by a method called "switch on black".
First, the output of your graphics card is passed thru the video card via
the vga options
At comdex there were a couple of outfits that claimed to do video in
a window. Two of these supported resulutions up to 1280x1024 at fast refresh
rates (but then they were not cheap either).
Aron Eisenpress looms out of the mist and sez:
The manual is still available from IBM for $7.00 plus tax, free ground
UPS shipping; the manual number is G571-0238, and call 1-800-879-2755.
Or you can order it on the web HERE It comes with the driver diskette which is the same as what's on the PC Co. web site.
If you don't bother with the manual, the only thing you really need
to know is that the key sequence to get on-screen prompts when you're
not using the Windows or OS/2 drivers is NumLock-NumLock (hit it twice).
Also, the only screen resolutions that work are 640x480 at 60Hz and
(I think) 1024x768 at 43.5Hz, interleaved. There doesn't seem to be a
restriction on the color depth, though.
Software programs shipped with the PS/2 TV allow the user to set up or adjust these same attributes through menu selections as a concurrent application under OS/2 (R) or Microsoft (2) Windows (3) 3.0
Al Savage wrote:
The driver loads without complaint. Typical of OS/2 applications,
Unfortunately, the OS/2 app (PSTVOS2 .exe), invoked from
the desktop OR from a full-screen OS/2 command prompt session, will ONLY
run with the *desktop* in 640x480 mode, period, so I can't make use of
the OS/2 app's extended features. It's a PM app, and if invoked from
a command prompt, switches to the WPS to pop up a dialog to tell you that
it can't run. Sigh. I won't change back to 640x480 just to
watch TV, it ain't worth it.
If you have the video mode already in 31.5khz/VGA/640x480
The sound from the tiny speaker mounted in cardboard is surprisingly
Steve Whiffen pipes up with:
The PS/2 TV operates using a micro-controller that contains the programs for interpreting the keyboard sequences or values established using the software control menus. No application development effort is required to simply display the full-screen video or PIP over the on-screen application.
The PS/2 TV does not offer the full range of performance features provided by the M-Motion Adapter/A, including graphics overlay capability and the ability to zoom the video window to any size.
Display and keyboard connections are routed through the PS/2 TV unit. Cables for display and keyboard input/output are provided to the user with the PS/2 TV, display and system unit as follows:
DISPLAY-IN: Attaches to the display port on the computer.
DISPLAY-OUT : Attaches to the monitor.
KEYBOARD-OUT : A 6-foot cable attaches to the kb port.
KEYBOARD-IN: Attaches to the PS/2 kb cable.
VIDEO-OUT : An RCA phono jack of the video received by the PS/2 TV
AUDIO-OUT: An RCA phono jack of line level audio from the PS/2 TV unit, not mixed with the PS/2 host system sound.
o The PS/2 TV does not:
- Overlay graphics/text on the video
- Zoom the video window to any size
- Attach multiple video sources for simultaneous display, using a single video card.
o PS/2 TV fully supported in all VGA modes. In XGA mode, all functions are supported except the PIP function.
o PS/2 TV not compatible with the Model 25 or 30 (8086 processors).
o The Picture-in-Picture mode of PS/2 TV provides a fixed size image, approximately one-ninth screen size.
From Will Ballance
While the PS/2 TV has its own power source, you still need a way to turn the unit on and off. Pressing NumLock twice in succession turns the PS/2 TV on. You'll immediately know the unit is ready for viewing when the onscreen displays appear. If these onscreen displays do not appear, check your cabling or refer to the diagnostic procedures in Chapter 4.
When the PS/2 TV is active, the keyboard is temporarily disconnected from your applications; it is dedicated to the PS/2 TV unit for any settings and adjustments. To remove the PS/2 TV onscreen displays (and re-establish the keyboard to PS/2 connection and control), press the Esc key. The onscreen displays will disappear and you will be back in PC mode.