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Forum: Altair 8800 09-20-2012, 01:43 AM
Replies: 4
Views: 84,081
Posted By sje
About the SuperAltair board

Thank you for your replies.

If the SuperAltair board were produced, then it would remove the need for many other kinds of boards. I see to recall from a decade ago that there was a similarly...
Forum: Altair 8800 09-17-2012, 12:06 AM
Replies: 4
Views: 84,081
Posted By sje
Fourth question

Also,

4) Any news about the SuperAltair card?
Forum: Altair 8800 09-15-2012, 02:55 AM
Replies: 4
Views: 84,081
Posted By sje
Three questions about the Altair 8800 kit

Three questions about the Altair 8800 kit:

1) What's the status of the MITS 88-ACR board (audio cassette interface)?

2) Is the MITS 88-16MCS board (16 KB static RAM) a candidate for...
Forum: Altair 8800 09-10-2012, 03:58 PM
Replies: 4
Views: 12,852
Posted By sje
Grant is sending email; I received one from him...

Grant is sending email; I received one from him about ten days ago.
Forum: Announcements 09-10-2012, 03:53 PM
Replies: 6
Views: 157,998
Posted By sje
How about adding a better screening of new member...

How about adding a better screening of new member applications? Maybe one which requires a human moderator approval.

----

On a totally unrelated note, I got this at the top of my screen:
...
Forum: Altair 8800 09-08-2008, 09:06 AM
Replies: 3
Views: 3,685
Posted By sje
Then again, with the upcoming elimination of...

Then again, with the upcoming elimination of analog TV broadcasting in the US, it may be difficult to find a new television that can take an RF modulator output as an input.

But I'll bet there...
Forum: Altair 8800 09-07-2008, 02:50 AM
Replies: 3
Views: 3,685
Posted By sje
Your quest: Find an RF modulator

Back in the Old Days it was rare for enthusiast hardware to be able to output to a consumer television directly because of the stringent standards set by the FCC for radio frequency generation in the...
Forum: Chit Chat 04-13-2008, 03:48 AM
Replies: 25
Views: 23,866
Posted By sje
More on buses and cards

Here's an interesting manufacturer site: http://www.vectorelect.com/

They have hardware for sale for just about every bus for prototyping and other purposes. They even have three different S-100...
Forum: Chit Chat 04-12-2008, 07:35 PM
Replies: 25
Views: 23,866
Posted By sje
Cromemco was probably the last S-100 hold out. I...

Cromemco was probably the last S-100 hold out. I remember them having significant advertising space in Byte magazine right up to the end of the S-100 era. The were some high hopes, mostly the hope...
Forum: Chit Chat 04-12-2008, 06:41 AM
Replies: 25
Views: 23,866
Posted By sje
An early version of the Mac OS ran on a lightly...

An early version of the Mac OS ran on a lightly modified Lisa; the product was called an Macintosh XL and included a hardware mod that changed the original oblong pixels to square pixels. Its 68000...
Forum: Chit Chat 04-11-2008, 10:04 PM
Replies: 25
Views: 23,866
Posted By sje
The Unicorn Electronics link is inviting, but I...

The Unicorn Electronics link is inviting, but I checked and all of their catalog pages are at least a year old. So maybe the stock counts are not really up to date.

If someone uses GPL code but...
Forum: Chit Chat 04-10-2008, 11:25 PM
Replies: 25
Views: 23,866
Posted By sje
Failure to share in this case is very likely...

Failure to share in this case is very likely illegal due to GPL conditions.
Forum: Chit Chat 04-10-2008, 11:22 PM
Replies: 25
Views: 23,866
Posted By sje
S-100 and the 6502

The S-100 bus had too many problems physically, electronically, and logically. That's why it died out so quickly. Designed for the 8080, and not very well at that, it is a piling of kludge upon...
Forum: Chit Chat 04-10-2008, 11:10 PM
Replies: 25
Views: 23,866
Posted By sje
68000 DIPs

It's Freescale that owns the 68000 IP, and they don't make DIPs of any kind. Old 68000 DIPs can be had, possibly salvaged from old Macs, Amigas, etc., for about US$20 each.

Anyway, a 68000 really...
Forum: Chit Chat 04-10-2008, 06:30 PM
Replies: 25
Views: 23,866
Posted By sje
Yes, the W65C816S was considered. And it still...

Yes, the W65C816S was considered. And it still could be used in a modified design. But it just doesn't seem sufficiently retro!
Forum: Chit Chat 04-10-2008, 01:46 AM
Replies: 25
Views: 23,866
Posted By sje
I have one of Vince's Micro-KIM boards and it...

I have one of Vince's Micro-KIM boards and it works as advertised. I'll probably get one of his 32 KB expansion boards to go with it.

----

I'm continuing with my design for a 6502 (W65C02S...
Forum: Chit Chat 03-27-2008, 06:15 AM
Replies: 25
Views: 23,866
Posted By sje
I have a real Apple IIe I bought via a Usenet ad...

I have a real Apple IIe I bought via a Usenet ad many years ago. Alas, it no longer boots and only displays gibberish on the screen. I never used it much, so it looks like I never get around to...
Forum: Chit Chat 03-26-2008, 10:34 PM
Replies: 25
Views: 23,866
Posted By sje
Pseudo replicas

Most of the replicas mentioned are really pseudo replicas as they replicate original features with modern parts in more compact and simpler configurations. None of them can truly compete with...
Forum: Altair 8800 03-18-2008, 07:38 AM
Replies: 6
Views: 5,999
Posted By sje
A list of Altair S-100 boards

Perhaps this has been posted before, but here it is again:

http://www.virtualaltair.com/virtualaltair.com/vac_boards.asp

It's a fairly comprehensive list of Altair brand boards, and many...
Forum: Altair 8800 03-17-2008, 06:22 PM
Replies: 6
Views: 5,999
Posted By sje
Sounds good to me. Do you have any pricing...

Sounds good to me. Do you have any pricing information for the optional cards available?
Forum: Altair 8800 03-16-2008, 08:20 PM
Replies: 6
Views: 5,999
Posted By sje
Looks great; it reminds me of my 22 slot S-100...

Looks great; it reminds me of my 22 slot S-100 backplane in the IMSAI 8080 I put together so many years ago. The differences are that the front panel took up one slot and that I had only a few slot...
Forum: Chit Chat 03-11-2008, 03:55 AM
Replies: 0
Views: 19,590
Posted By sje
Another idea for a kit

Idea: A 6502/65C816 kit with a classical front panel.

It's been said that the 6502 CPU was the most popular CPU of its day. But to my knowledge there was never a 6502 kit with a classical front...
Forum: Altair 8800 03-10-2008, 02:55 AM
Replies: 3
Views: 4,363
Posted By sje
Vince Breil came up with this idea a couple of...

Vince Breil came up with this idea a couple of years ago; see: http://www.brielcomputers.com/altairpc.html

The project has been on hold for a while.

He's got a couple of other interesting...
Forum: Chit Chat 03-06-2008, 09:02 PM
Replies: 5
Views: 4,872
Posted By sje
I signed up for the get one/give one notification...

I signed up for the get one/give one notification program but later decided against the purchase, in part because of a late realization that the keyboard is just too small for me.

The XO laptop is...
Forum: Chit Chat 03-06-2008, 08:12 PM
Replies: 5
Views: 5,164
Posted By sje
Use the CCD camera, but run the video through...

Use the CCD camera, but run the video through some post processing to make it look like it was printed on scratchy 16 mm film from the Old Days. For further pseudo-realism, hire some actors dressed...
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