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Overclocking the Membership Card

(3)
Thanks Mark. I'm sticking with the MC PCB and clock circuit for now because it's done and stable. Interesting to note that my 1806 is date coded similar to
bill rowe
3
posts
6:42 AM

Re: VCFMW Show

(6)
Thanks both of you, I'd love to go. It's not a question of the money nor the distance, but rather not being an opportune time to leave my wife alone with our
Mark Abene
6
posts
Aug 20

Elf/OS gets disk amnesia?

(5)
Bill: I haven't figured out any way to reliably make it happen, and it's only happened to me rarely. If it does happen again, I'll see if I can collect any
Mark Abene
5
posts
Aug 10

I have uploaded 2 videos of my EElf to YouTube

(3)
Hi Bill, ... No it's actually getting quite a thrashing because it is a CDP1802ACD which is a 5V part. Since the test results from the comparison between
fps16xn3
3
posts
Aug 10

HOWTO: ELF2K ROM with Membership Card

(20)
Herb, I will try to explain the software changes that I have made to the MCBASIC3 and MCSMP20 program. On the Membership Card the normal state of /EF3 is HI
the-eagle@att.net
20
posts
Aug 8

Cheesy Joke

(26)
... I have no idea what that's about? joke? Anyway, this thread has drifted well and far off topic. I just had to speak to the Zed part because I'm Canadian
joshbensadon
26
posts
Aug 7

My recent 1802 simulation

(8)
Sorry for off topic, but Josh: https://tangentsoft.com/pidp8i/wiki?name=Home https://tangentsoft.com/pidp8i/wiki?name=Home E-mail me directly if you need help.
wd5gnr
8
posts
Aug 3
joshbensadon
6
posts
Aug 2

My Hand-Built ELF 2000

(23)
I've uploaded pictures of my keypad and current setup. They're in "LHW ELF2K".
codedoctor
23
posts
Aug 2

Original ELF at Bletchley Park

(18)
Obviously you've never worked with, for or donated time or money to such an endeavor. Truly a classless line of drivel. -david On Tue, Aug 1, 2017 at 12:03
David Funk
18
posts
Aug 1

New file uploaded to cosmacelf

(526)
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the cosmacelf group. File : /Mark
cosmacelf@yahoogroups.com
526
posts
Jul 31

My first ELF

(4)
You got that for a really good price.
whd_whd_whd
4
posts
Jul 30

Overclocking: what would YOU like measured?

(16)
Hi Mark, The two fastest 1806s reached 15.36MHz in the testing I did in May 2017. TPA was directly driving the '373 high address latch. There might be more to
fps16xn3
16
posts
Jul 30

One of these things is not like the other.

(8)
I thought so. Thanks ! This keyboard looks very nice. I am curious if you can find out how is it connected to the ZX81 . Using a custom made connector or
Marian Popeanga
8
posts
Jul 29

Old hardware available

(15)
Hello Richard, Yes, I am still interested! Please find out the exact price to pack and ship your system with insurance, and without, and let me know. The
ekeefe8051
15
posts
Jul 27
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