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RK11-D Installationby billdeg Total messages in this thread: 4 Updated: [ RE: PDP 11/05 and RK05 power connectors ] 08/31/2018  Digital RK05 disk packs. Click image for larger view.
I have the RK05 card set and backplane RK11-D.
Picture:
htt...11D-MM-002.pdf
Cards and Backplane (minus UNIBUS cables):
http://www.tec...ontroller.jpg
RK11-D is a 4-card backplane
RK11-D RK05 Disk Controller
EK-RK11D-MM-002
M7254 Status Control
M7255 Disk Control
M7256 Registers
M7257 Bus Control">... [ read more ]
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Digital (DEC) PDP 11/05 NC Assemblyby billdeg Total messages in this thread: 22 Updated: [ 11/05 NC Power Connectors ] 08/31/2018 Ted Nelson speaks quite highly of the Digital PDP 11 series in his book Computer Lib / Dream Machines.  Picture of the PDP 11/05 NC card cage and M9970(in the wrong slot). Click image for hi res version.
The only thing that prevented DEC from launching the PC revolution three years earlier was price, in my opinion. All of the other ingredients were there for a fine PC. The PDP 11/05 was the OEM version of the PDP 11/10, so you find all kinds of variations of this system sometimes paired with the DEC GT40 Graphic Display Terminal.
Complete set of Pictures
Some notes...
1) Cleaned (enough for now).. got all of the styrofoam peanuts, dust.
2) Started with an ... [ read more ]
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MITS Altair AM Radio Music Jukeboxby billdeg Total messages in this thread: 3 Updated: [ Altair Jukebox Video ] 08/27/2018  MITS Altair "Jukebox" system with GE Radio on top. Click image for larger view.
 MITS Altair "Jukebox" system exhibit at the 2018 Vintage Computer Festival. Click image for larger view.
Steve Dompier's May 1975 People's Computer Company newsletter article Music of a Sort (republished in Dr. Dobbs Feb 1976) describes how one would generate music with a MITS Altair by using the fro">... [ read more ]
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Seiko Data-2000 1983/4 Early Smart Watchby billdeg Total messages in this thread: 1  The Seiko DATA-2000 was an early smart watch sold in late 1983 through 1984 that came with a special PDA calculator interface keyboard. I have read that this was the first watch with a keyboard. The retail price was $195. Click for larger view.
 In the docked position the Data-2000 watch face serves as a dot matrix display for the QWERTY keyboard. Together the watch and keyboard provide PDA functionality to do thinkgs like enter and store memos (up to 100 lines), calculator functions, set the alarm, etc. Transm">... [ read more ]
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DEC VAX 4000-705Aby billdeg Total messages in this thread: 1  A well stocked VAX 4000 was the last and I believe most capable 4000 model. Click image for larger view.
 Here is the first part of the "show config" command output. Click image for larger view.
 Show Dev output displays both SCSI and DSSI controllers. Click image for larger view.
Wikipedia:
"...The VAX 4000 Model 705A, code-named "Legacy+", was introduced in la">... [ read more ]
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Digital PDP 11/05 S in BA11-Kby billdeg Total messages in this thread: 13 Updated: [ Replaced h745 -15V ] 08/21/2018  Started working on piecing together a PDP 11/05 S in a BA11-K Mounting Box. Pictured here are the fans that cool the H765 power supply's transformer. Note there are no DC voltage bricks installed. I removed the metal fan covers (they were rubbing the fan blades when you spin the fan manually). Click for larger view.
 This is a view of the power distribution board installed in the PDP 11/05 S chassis. The c">... [ read more ]
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Rockwell R6500 (AIM 65)by billdeg Total messages in this thread: 8 Updated: [ Cassette Signal Issue ] 07/21/2018  The Rockwell model R6500 was better known as the AIM 65. The AIM 65 is a 6502-based single board computer from 1976, although the model remained popular through the early 1980's until it was eventually replaced by the AIM 65/40.
AIM stands for "Advanced Interactive Microcomputer" and the 65 most likely is a reference to the 6502 processor and related chips. Right?
I have two AIM 65 systems, one was fresh out of the box and never used. I am doing my experimenting with the used unit. I also have a 8-slot card cage containing a general purpose module, Serial card, disk controller, and video controller. The system boots to the system monitor and then I can jump to BASIC. I have run some assembly programs and some BASIC programs.
Pictures
I have a card cage wit">... [ read more ]
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SGI Octane OS install 6.5.12by billdeg Total messages in this thread: 1  Pictured is the SGI desktop with a telnet connection to the Level 29 BBS via the IRIX console program. Telnet BBS-ing is a good way start testing a network connection. Click image to see more photos
SGI UNIX is called IRIX. I first installed version 6.5 but then learned the hard way that an "Overlay" would be required if I wanted to use an external DNS beyond local IP networking. I fortunately had a copy of IRIX 6.5.12 Overlay (OS patches / updates) which did the trick. I have been told it's even better to find a newer version, 6.5.2x. IRIX:
https://en.wikipedia.org/wiki/IRIX">... [ read more ]
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Apple Lisa 210 A6S0200by billdeg Total messages in this thread: 2 Updated: [ Keyboard Restoration ] 06/12/2018 In preparation for class demonstration of the Apple Lisa 2/10 I took some new photographs. 
Minor repairs were needed. I had to take apart the keyboard because the space bar had dislodged from the little clips that hold it in place. I also replaced the MAC mouse with an original Lisa mouse. Note the new pictures have the original mouse.">... [ read more ]
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Digital VAX 4000-300by billdeg Total messages in this thread: 1  A peek with the door open of a DEC VAX 4000-300. Click image for larger view.
 This photo shows the initial status of the computer. The power supply works, but after attempting to initialize, the system returns the errors as displayed on the screen. Click image for larger view.
More photos will be posted as the project progresses.
More to come...">... [ read more ]
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Vintage Computer Festival East 13by billdeg Total messages in this thread: 2 Updated: [ Lecture Notes Intro to VAX/VMS ] 06/05/2018  A prototype of what was to become the RCA COSMAC Computer. Created by Joseph A. Weisbecker, this system has an early version of the 1801 dual-chip CPU and dates to around 1972. Click image for larger view.
 The Otrona Attaché 8:16 Portable CP/M computer. Click image for larger view.
 Consu The Educated Monkey an early 20th centory multiplication calculator. Click image for larger view.
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C128 Display Cables and the 1084 Monitorby billdeg Total messages in this thread: 1  with the Commodore 1084 display one can switch between all signal modes generated by the Commodore 128/128D computer. Note that there is both a CVBS (white/yellow/red) and RGB (grey) cable attached from the C128 to the 1084 display. Click image for larger view.
 The CVBS / LCA button on the rear of the 1084 is in the LCA (out) position. This is required to display color while in 40-column CVBS signal mode (C64 or C128). If in the display will be grey. The position of this switch is ignored if you're using the RGB cable (80 column mode). Click image for larger view.
... [ read more ]
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Sol-20 Keyboard Mylar Balloon Fixby billdeg Total messages in this thread: 1  The Processor Technologies Sol-20 Terminal Computer after keyboard restoration experiment with a mylar balloon attempted. Click image for larger view.
 I picked up the Happy Confirmation mylar balloon at the local Hallmark shop. Note the inner lining is metallic. Click image for larger view.
 This i">... [ read more ]
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IRC Chat Infoby billdeg Total messages in this thread: 1  Photo of my Commodore C-128D with JiffyDOS, various drives and 1084 monitor. This system uses a RR-Net to connect to IRC chat using GeoLink software. Click image for larger view.
geoLink:
...&show=summary
Thread date is last update date
#C64friends = irc.freenode.net
#C64NetGaming = irc.newnet.net
#vc = irc.slashnet.org
[I have been told the newnet.net is not as active since this thread post was first created in 2013]">... [ read more ]
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RK11-D){kind=link}
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