12 Feb
1999
12 Feb
'99
10:37 a.m.
When you're talking about "digital"
signals above 500 MHz (as would be
found on gigabit ethernet twisted pairs), it is very hard to convincingly
describe them as digital. Sure, they are enocded from digital bits, and
the are decoded back into digital bits at the other end, but what happens
inbetween is analog (and basically black magic at that).
While we're not on the topic, please tell me... is light "really" a
particle, or "really" a wave? How about electrons?
- Joe
P.S. No, I am *NOT* serious, I do *NOT* want to read such a discussion.
12 Feb
12 Feb
12:09 p.m.
On Fri, 12 Feb 1999, Joseph S. Barrera III wrote:
While we're not on the topic, please tell me... is
light "really" a
particle, or "really" a wave? How about electrons?
Yes.
--
Ward Griffiths
"the timid die just like the daring; and if you don't take the plunge then
you'll just take the fall" Michael Longcor
1:47 p.m.
New subject: front panels (again)
Can you guys help me build a definitve list of microcomputers that had
minicomputer-like front panels with toggles and blinkenlights?
Here's the list I've got so far:
Intel Intellec-4
Intel Intellec-8
Scelbi 8H
Mark-8
Datanumerics DL8A
Altair 8800
BYTE, Inc. BYT-8 (and Olson 8080)
IMSAI 8080 (and OEM versions)
Altair 680
Ithaca Intersystems DPS-1
I'm sure there were more (seven-segment LEDs don't count). I'm only
looking for micros right now, but I'd also be interested in a list of
mini's, and I'd especially like to know which computer first used this
human interface.
Thanks,
Doug
2:16 p.m.
New subject: front panels (again)
I'll need to double check the name, but the Mac-8 Emac computer (Japanese)
has a full front panel (8080 or Z80 CPU, can't recall.)
Doug wrote:
Can you guys help me build a definitve list of microcomputers that had
minicomputer-like front panels with toggles and blinkenlights?
Here's the list I've got so far:
Intel Intellec-4
Intel Intellec-8
Scelbi 8H
Mark-8
Datanumerics DL8A
Altair 8800
BYTE, Inc. BYT-8 (and Olson 8080)
IMSAI 8080 (and OEM versions)
Altair 680
Ithaca Intersystems DPS-1
I'm sure there were more (seven-segment LEDs don't count). I'm only
looking for micros right now, but I'd also be interested in a list of
mini's, and I'd especially like to know which computer first used this
human interface.
Thanks,
Doug
2:31 p.m.
New subject: front panels (again)
On Fri, 12 Feb 1999, Marvin wrote:
I'll need to double check the name, but the Mac-8
Emac computer (Japanese)
has a full front panel (8080 or Z80 CPU, can't recall.)
Was that based on the Bell Labs (?) MAC-8 CPU that was mentioned here
recently? I'd like to see that one if you've got a pic. I just
remembered that Scelbi made an 8B after the 8H, but I don't remember if
it had a front panel (I suspect it did).
-- Doug
13 Feb
13 Feb
1:07 a.m.
New subject: front panels (again)
At 11:31 PM 2/12/99 -0500, Doug wrote:
recently? I'd like to see that one if you've got a pic. I just
remembered that Scelbi made an 8B after the 8H, but I don't remember if
it had a front panel (I suspect it did).
-- Doug
Yes, it looked the same from the front. It has extra slot(s) for an
aditional address encode/decode card so it could use 2102 type ram's
instead of 1101's.
-Dave
1:43 a.m.
New subject: front panels (again)
Doug wrote:
On Fri, 12 Feb 1999, Marvin wrote:
When I get back in the garage again, I'll dig it out and get a couple of
pictures. This computer was designed and made available in Japan as a kit,
and I have no idea if it was ever made available outside of Japan (mine was
given to me in Japan.) The CPU was either an 8080 or Z80, and I really
doubt it would have been based on the Mac-8 CPU; Mac-8 was the name of the
Japanese company that made the computer.
I'll need to double check the name, but the
Mac-8 Emac computer (Japanese)
has a full front panel (8080 or Z80 CPU, can't recall.)
Was that based on the Bell Labs (?) MAC-8 CPU that was mentioned here
recently? I'd like to see that one if you've got a pic. I just
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6 comments
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participants (5)
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ddameron＠earthlink.net -
doug＠blinkenlights.com -
gram＠cnct.com -
joe＠barrera.org -
marvin＠rain.org