|
locked
sticky
Forum FAQ and Guidelines
#ThisGroup
This group has a FAQ and guidelines page of sorts at: *http://www.cosmacelf.com/forumfaq.html* Email users will find a link to this in the footer area of posted messages. To make this document more di
This group has a FAQ and guidelines page of sorts at: *http://www.cosmacelf.com/forumfaq.html* Email users will find a link to this in the footer area of posted messages. To make this document more discoverable for those who use the groups.io web interface, this message is being posted as a "sticky" topic so that it appears at the top of the displayed list of messages.
By Dave Ruske
·
|
|
FREE: Wire-wrap sockets need home 10 messages
Cleaning out my boxes of stuff found a set of wire wrap sockets I had bought about ten years ago with the intention of making an Elf. I never used them and never will. FREE + $8 USPS shipping in US. C
|
Cleaning out my boxes of stuff found a set of wire wrap sockets I had bought about ten years ago with the intention of making an Elf. I never used them and never will. FREE + $8 USPS shipping in US. C
|
By somaspack
·
|
|
Frankenstein UART Board 14 messages
#Serial
#Homebrew
Another creation. Uses the 1854 UART in Mode 1. IO Group 02. OUT4: configure interval counter OUT5: set interval counter initial count. OUT7: set UART control register. IN7: read UART status register.
|
Another creation. Uses the 1854 UART in Mode 1. IO Group 02. OUT4: configure interval counter OUT5: set interval counter initial count. OUT7: set UART control register. IN7: read UART status register.
|
By Jeff Truck
·
|
|
Yahoo Groups Closing, Please Update Links 3 messages
#ThisGroup
I don't think there's much impact to our community as we've migrated all content to groups.io, but I wanted to make everyone aware that Yahoo Groups will be closing and removing content on December 14
|
I don't think there's much impact to our community as we've migrated all content to groups.io, but I wanted to make everyone aware that Yahoo Groups will be closing and removing content on December 14
|
By Dave Ruske
·
|
|
Elf2k ...use of either SWITCHES control planel / HEX keypad but not both 11 messages
While we are having some Elf2K topics, I asked this before ...has anybody used both (meaning both SWITCH control panels and HEX keypad are connected) in their system. I have been told that to be able
|
While we are having some Elf2K topics, I asked this before ...has anybody used both (meaning both SWITCH control panels and HEX keypad are connected) in their system. I have been told that to be able
|
By Rizal Acob
·
|
|
Max Image Size in Email 3 messages
#ThisGroup
A few people have emailed me about the occasional large photo attachments showing up in their inboxes (and I've been *slow* to respond --- sorry!). The main issue raised has been one of bandwidth: for
|
A few people have emailed me about the occasional large photo attachments showing up in their inboxes (and I've been *slow* to respond --- sorry!). The main issue raised has been one of bandwidth: for
|
By Dave Ruske
·
|
|
Questions for finalizing my Elf 2k 10 messages
#ELF2K
I am getting to the end of the assembly of my Elf 2K mainboard. One issue that I can't find any information on is if there is any rule on how the clock Xtal should be installed. I have never encounter
|
I am getting to the end of the assembly of my Elf 2K mainboard. One issue that I can't find any information on is if there is any rule on how the clock Xtal should be installed. I have never encounter
|
By Rob Carnegie
·
|
|
RCA COS/MOS versus CMOS 7 messages
Hi All, I have a great interest in history and that seems to also branch-out into electronics and RCA. Herb Johnson pointed out the Hagley Digital Archives contain a huge amount of RCA related researc
|
Hi All, I have a great interest in history and that seems to also branch-out into electronics and RCA. Herb Johnson pointed out the Hagley Digital Archives contain a huge amount of RCA related researc
|
By somaspack
·
|
|
Pload Psave 3 messages
I build a membership card 1802. it is running MCSCP and Basic3. I have a windows terminal emulator connected via RS232 and can program in basic. I used Psave to save the program. Every time I reload t
|
I build a membership card 1802. it is running MCSCP and Basic3. I have a windows terminal emulator connected via RS232 and can program in basic. I used Psave to save the program. Every time I reload t
|
By ROBERT NELSON
·
|
|
Netronics Elf II - Math Co-Processor 23 messages
#ELF2
According to the Wikipedia Page (https://en.wikipedia.org/wiki/ELF_II) on the Netronics Elf II there was supposed to be a full basic ROM board with an onboard math co-processor. I don't see any mentio
|
According to the Wikipedia Page (https://en.wikipedia.org/wiki/ELF_II) on the Netronics Elf II there was supposed to be a full basic ROM board with an onboard math co-processor. I don't see any mentio
|
By Rob Carnegie
·
|
|
Okay, let's get really crazy... 41 messages
#csdp
#cds
#cross-assembly
#mcds
Just free-wheelin' here... So, to go step further, how about using a Raspberry Pi or Arduino with the MCDS? It could replace the tape I/O completely by using analog to digital conversion of the tape o
|
Just free-wheelin' here... So, to go step further, how about using a Raspberry Pi or Arduino with the MCDS? It could replace the tape I/O completely by using analog to digital conversion of the tape o
|
By Joe Blackburn
·
|
|
CDP18S628/CDP18S618 3 messages
#microboards
Hi there, Does anyone have a copy of the CDP18S628 and/or CDP18S618 specs and is willing to share a scan with me? The 618 is a 32K RAM board and the 628 a 32K RAM/ROM board. Cheers, Marcel.
|
Hi there, Does anyone have a copy of the CDP18S628 and/or CDP18S618 specs and is willing to share a scan with me? The 618 is a 32K RAM board and the 628 a 32K RAM/ROM board. Cheers, Marcel.
|
By Marcel van Tongeren
·
|
|
VCFMW 14 show 18 messages
The VCFMW show will be at this location: Waterford Banquets/Clarion Inn, 933 S. Riverside Drive, Elmhurst, IL (630-279-0700), September 14 th and 15 th this year. For more info please go to www.vcfmw.
|
The VCFMW show will be at this location: Waterford Banquets/Clarion Inn, 933 S. Riverside Drive, Elmhurst, IL (630-279-0700), September 14 th and 15 th this year. For more info please go to www.vcfmw.
|
By the-eagle@att.net
·
|
|
Old and Obsolete Parts 17 messages
I have a collection of old and obsolete parts (several thousand at least.) If anyone is looking for anything special, let me know and I'll check it against... what I can find :). I'll be at VCFMW and
|
I have a collection of old and obsolete parts (several thousand at least.) If anyone is looking for anything special, let me know and I'll check it against... what I can find :). I'll be at VCFMW and
|
By Marvin Johnston
·
|
|
Microboard Products Available 5 messages
#ELF
#microboards
Hi All, I have a set of RCA Microboard-related products available for sale. These are new retro creations and include backplane and system boards. I also have available the Microboard Elf that was off
|
Hi All, I have a set of RCA Microboard-related products available for sale. These are new retro creations and include backplane and system boards. I also have available the Microboard Elf that was off
|
By somaspack
·
|
|
My Cosmac Elf! 17 messages
Hi, Being a vintage computer collector, having failed to purchase a Cosmac Elf, I decided to build my Own. Here it is running the equivalent of the “hello world” program: turning on the Q pin. Cheers.
|
Hi, Being a vintage computer collector, having failed to purchase a Cosmac Elf, I decided to build my Own. Here it is running the equivalent of the “hello world” program: turning on the Q pin. Cheers.
|
By Peter Renaud
·
|
|
Elf 2000 Firmware 10 messages
#ELF2K
I just noticed that the link to the firmware on the Spare Time Gizmos website ( http://www.sparetimegizmos.com/Hardware/Elf2K.htm ) is coming up 404. Does anybody know where I can find a copy of the m
|
I just noticed that the link to the firmware on the Spare Time Gizmos website ( http://www.sparetimegizmos.com/Hardware/Elf2K.htm ) is coming up 404. Does anybody know where I can find a copy of the m
|
By Rob Carnegie
·
|
|
Elf 2000 PCB DS1210 problem 3 messages
#ELF2K
While searching for firmware I accidentally found this discussion regarding the DS1210 chip on the Elf 2K PCB. #8574 I checked pin 7 of the socket for DS1210 on my board (one of the last series produc
|
While searching for firmware I accidentally found this discussion regarding the DS1210 chip on the Elf 2K PCB. #8574 I checked pin 7 of the socket for DS1210 on my board (one of the last series produc
|
By Rob Carnegie
·
|
|
Vintage Computer Festival Midwest Table Info
#VCF
If you are interested in the Vintage Computer Festival Midwest then try the link below. https://mailchi.mp/5751d0130a75/vcfmw14-tabling-info?e=95977cc876 I went to the hotel today. They have a restaur
|
If you are interested in the Vintage Computer Festival Midwest then try the link below. https://mailchi.mp/5751d0130a75/vcfmw14-tabling-info?e=95977cc876 I went to the hotel today. They have a restaur
|
By johnmarkmelanie@...
·
|
|
Quest Super Elf remade board (or something like that) order
I think Patrick King meant this to go to Brian or at least to the group. Patrick asked to be added to the group buy for 3 boards. For Patrick, Steve Gemeny Sent by my fat thumbs drifting aimlessly acr
|
I think Patrick King meant this to go to Brian or at least to the group. Patrick asked to be added to the group buy for 3 boards. For Patrick, Steve Gemeny Sent by my fat thumbs drifting aimlessly acr
|
By Steve Gemeny
·
|
