23 Jul
2020
23 Jul
'20
11:36 p.m.
Have been going through my shop and storage room trying to see what
can get rid of and wasn't aware of how much old electronics and
computers have accumulated over last 50 years. Should note that this
process has been at insistance of my wife as a lot of these boxes
just got moved whenever I moved and much of this stuff haven't looked
at for decades.
Was about to toss a 1987 box containing DOS 3.3 but then figured
someone might want it. Have a couple of XT systems kicking around
somewhere but in 1987 I'd discovered the Mac and considered 68000
processor a far superior architecture as it was an easy transition
from someone who'd spent most of their time
programming on a
PDP-11. Also have early Mac software, hundreds of 3.5" disks
which
are primarily taking up space and all of them have been copied to
HDD's and now run my Mac code under Basilisk2 was faster than it used
to run on my MacIIvx (of which I have a couple).
Also managed to find, in no particular order, a couple of C64's, a
TI99, ZX81, VIC20 and an 8" floppy drive with full documentation that
I faintly recall buying at a surplus electronics place in
Seattle. Also found a box of old Univac cards which appear to be DTL
with individual transistors and then go on to having DTL IC's as well
as some old IBM cards. Used to pull transistors and diodes off these
to build my own circuits 50 years ago. Now, with storage being so
ridiculously cheap haven't even come close to making a dent in the
capacity of a 256 Gb SD card in my Samsung S8 handheld supercomputer
of which I'm using the camera function to create high res images of
what I'm going through.
Also have lots of PC motherboards starting with XT's and progressing
upwards. Never liked 80286 and so only collected from 80386 and
higher. Seem to have lots of various parallel port adapters, disk
interfaces as well as parallel and serial port boards. Was planning
on using these as dedicated processors for data acquisition but found
that technology progressed faster than my getting around to use them
and it's a lot simpler to either use Phidget's SBC with various
sensors for environmental monitoring or a much less power hungry
Parallax Propellar chip for more demanding data acquisition
applications. (Haven't let my wife know how many of newer systems I
have stashed away but they take up way less room than old hardware).
Do also have a couple of PDP 11/23 systems which I'll probably have
to part with as I haven't used then in last 15 years. Also have a
number of unibus boards which haven't run into yet but won't be using
them. Lots of old computer books as well which would be nice to keep
but likely have most of documentation in digital form and usually
back up all important pdf files to separate drives.
The PC stuff is most voluminous and, if there's any interest, can
post images of what I have on my web site. Only components I've
tested are disk drives of which most work but SCSI drives are all old
and a number of them didn't take kindly to be powered off after
running for years and being moved from Vancouver to Kamloops.
Boris Gimbarzevsky
24 Jul
24 Jul
4:38 a.m.
On Fri, 24 Jul 2020 at 08:36, Boris Gimbarzevsky via cctalk
<cctalk at classiccmp.org> wrote:
Was about to toss a 1987 box containing DOS 3.3 but then figured
someone might want it. Have a couple of XT systems kicking around
somewhere
A chap on the FB Vintage Computing group was seriously asking if an
original IBM PC with original packaging was worth USD 1000 this week.
A thousand bucks for an 8088. *shakes head in disbelief*
I sold a lot of my kit when I moved from the UK to Czechia, 6y ago.
Individual 1.2 MB 5?" disk drives went for ?25-?50 each. You might be
surprised how much it is worth... I was.
--
Liam Proven ? Profile: https://about.me/liamproven
Email: lproven at cix.co.uk ? gMail/gTalk/gHangouts: lproven at gmail.com
Twitter/Facebook/LinkedIn/Flickr: lproven ? Skype: liamproven
UK: +44 7939-087884 ? ?R (+ WhatsApp/Telegram/Signal): +420 702 829 053
5:18 a.m.
-----Original Message-----
From: cctalk <cctalk-bounces at classiccmp.org> On Behalf Of Liam Proven via
cctalk
Sent: 24 July 2020 12:38
To: General Discussion: On-Topic and Off-Topic Posts
<cctalk at classiccmp.org>
Subject: Re: Any interest in "newer" hardware, software?
On Fri, 24 Jul 2020 at 08:36, Boris Gimbarzevsky via cctalk
<cctalk at classiccmp.org> wrote:
Well the going rate in the USA for a 5150 seems to be about $2-300 but for the top end you
need the box :-(
Was about to toss a 1987 box containing DOS 3.3 but then figured
someone might want it. Have a couple of XT systems kicking around
somewhere
A chap on the FB Vintage Computing group was seriously asking if an original
IBM PC with original packaging was worth USD 1000 this week.
A thousand bucks for an 8088. *shakes head in disbelief*
I sold a lot of my kit when I moved from the UK to Czechia, 6y ago.
Individual 1.2 MB 5?" disk drives went for ?25-?50 each. You might be
surprised how much it is worth... I was.
They are getting hard to get hold of...
--
Liam Proven ? Profile: https://about.me/liamproven
Email: lproven at cix.co.uk ? gMail/gTalk/gHangouts: lproven at gmail.com
Twitter/Facebook/LinkedIn/Flickr: lproven ? Skype: liamproven
UK: +44 7939-087884 ? ?R (+ WhatsApp/Telegram/Signal): +420 702 829 053
Dave
10:46 a.m.
A lot of the younger collectors are spending ridiculous amounts of money on 486 &
Pentium class machines on assorted facebook vintage and retro groups. I don't get it
either, but everyone has their fetishes and I try not to judge. Parted out you can
possibly get a couple hundred bucks out of a machine if you get lucky.
I personally might be interested in an 8" floppy drive, mainly to show my coworkers,
some of whom didn't know such things existed. I'm also vaguely interested in one
of the PDP 11/23s, but I know it's already been vetoed by my wife without even asking.
? Any VT100-compatible terminals in the stash you'd be willing to part with?
I'm down in Seattle, and occasionally get up that way while camping, but this year you
might as well be on the moon. Maybe we could arrange to meet on the border near Oroville
and Osoyoos, and you can throw them across the border.
-mike
-----Original Message-----
From: cctalk <cctalk-bounces at classiccmp.org> On Behalf Of Boris Gimbarzevsky via
cctalk
Sent: Thursday, July 23, 2020 11:36 PM
To: cctalk at classiccmp.org
Subject: Any interest in "newer" hardware, software?
Have been going through my shop and storage room trying to see what can get rid of and
wasn't aware of how much old electronics and computers have accumulated over last 50
years. Should note that this process has been at insistance of my wife as a lot of these
boxes just got moved whenever I moved and much of this stuff haven't looked at for
decades.
Was about to toss a 1987 box containing DOS 3.3 but then figured someone might want it.
Have a couple of XT systems kicking around somewhere but in 1987 I'd discovered the
Mac and considered 68000 processor a far superior architecture as it was an easy
transition from someone who'd spent most of their time programming on a PDP-11. Also
have early Mac software, hundreds of 3.5" disks which are primarily taking up space
and all of them have been copied to HDD's and now run my Mac code under Basilisk2 was
faster than it used to run on my MacIIvx (of which I have a couple).
Also managed to find, in no particular order, a couple of C64's, a TI99, ZX81, VIC20
and an 8" floppy drive with full documentation that I faintly recall buying at a
surplus electronics place in Seattle. Also found a box of old Univac cards which appear
to be DTL with individual transistors and then go on to having DTL IC's as well as
some old IBM cards. Used to pull transistors and diodes off these to build my own
circuits 50 years ago. Now, with storage being so ridiculously cheap haven't even
come close to making a dent in the capacity of a 256 Gb SD card in my Samsung S8 handheld
supercomputer of which I'm using the camera function to create high res images of what
I'm going through.
Also have lots of PC motherboards starting with XT's and progressing upwards. Never
liked 80286 and so only collected from 80386 and higher. Seem to have lots of various
parallel port adapters, disk interfaces as well as parallel and serial port boards. Was
planning on using these as dedicated processors for data acquisition but found that
technology progressed faster than my getting around to use them and it's a lot simpler
to either use Phidget's SBC with various sensors for environmental monitoring or a
much less power hungry Parallax Propellar chip for more demanding data acquisition
applications. (Haven't let my wife know how many of newer systems I have stashed away
but they take up way less room than old hardware).
Do also have a couple of PDP 11/23 systems which I'll probably have to part with as I
haven't used then in last 15 years. Also have a number of unibus boards which
haven't run into yet but won't be using them. Lots of old computer books as well
which would be nice to keep but likely have most of documentation in digital form and
usually back up all important pdf files to separate drives.
The PC stuff is most voluminous and, if there's any interest, can post images of what
I have on my web site. Only components I've tested are disk drives of which most work
but SCSI drives are all old and a number of them didn't take kindly to be powered off
after running for years and being moved from Vancouver to Kamloops.
Boris Gimbarzevsky
28 Jul
28 Jul
7:35 a.m.
On 7/24/2020 1:36 AM, Boris Gimbarzevsky via cctalk wrote:
found a box of old Univac cards which appear to be DTL
with individual
transistors and then go on to having DTL IC's as well as some old IBM
cards.? Used to pull transistors and diodes off these to build my own
circuits 50 years ago.? Now, with storage being so ridiculously cheap
haven't even come close to making a dent in the capacity of a 256 Gb SD
I might be interested in boards with Fairchild DTL chips, as I have a
DTL-based disk controller on my HP 2114 that needs work. Not sure if
Univac used Fairchild DTL, though. Could you perhaps read off a few part
numbers whenever you get a chance?
My DTL chips have markings like:
DT uL93659 (Chip type 936)
F 7016
DT uL909759 (Chip type 9097)
F 7013
(I expect 7016 and 7013 are date codes. Not sure what the "59" is about.)
I might also be interested in particular IBM cards, if you are referring
to SMS cards (those with discrete transistors, made from tan colored
board stock), depending up on their card type (if you capture a name,
like DFB-, or a 6 digit part number, I can see if they are of interest
to me.)
JRJ
8:11 a.m.
On Jul 28, 2020, at 10:35 AM, Jay Jaeger via cctalk
<cctalk at classiccmp.org> wrote:
On 7/24/2020 1:36 AM, Boris Gimbarzevsky via cctalk wrote:
Is that DTL or RTL? Fairchild originally came out with RTL chips, which had uL part
numbers like uL914 (dual 2 input NOR) and uL923 (JK flop) in TO cans with 8 leads.
The supply voltage would tell you; RTL uses 3.6 or so, while DTL uses 6 volts.
paul
found a box of old Univac cards which appear to
be DTL with individual
transistors and then go on to having DTL IC's as well as some old IBM
cards. Used to pull transistors and diodes off these to build my own
circuits 50 years ago. Now, with storage being so ridiculously cheap
haven't even come close to making a dent in the capacity of a 256 Gb SD
I might be interested in boards with Fairchild DTL chips, as I have a
DTL-based disk controller on my HP 2114 that needs work. Not sure if
Univac used Fairchild DTL, though. Could you perhaps read off a few part
numbers whenever you get a chance?
My DTL chips have markings like:
DT uL93659 (Chip type 936)
F 7016 ... 
11:50 a.m.
On 7/28/2020 9:11 AM, Paul Koning via cctalk wrote:
I am thinking we have come full circle, with 3.3V or less logic of today.
Ben.
On Jul 28, 2020, at 10:35 AM, Jay Jaeger via
cctalk <cctalk at classiccmp.org> wrote:
On 7/24/2020 1:36 AM, Boris Gimbarzevsky via cctalk wrote:
Is that DTL or RTL? Fairchild originally came out with RTL chips, which had uL part
numbers like uL914 (dual 2 input NOR) and uL923 (JK flop) in TO cans with 8 leads.
The supply voltage would tell you; RTL uses 3.6 or so, while DTL uses 6 volts.
paul
found a box of old Univac cards which appear to
be DTL with individual
transistors and then go on to having DTL IC's as well as some old IBM
cards. Used to pull transistors and diodes off these to build my own
circuits 50 years ago. Now, with storage being so ridiculously cheap
haven't even come close to making a dent in the capacity of a 256 Gb SD
I might be interested in boards with Fairchild DTL chips, as I have a
DTL-based disk controller on my HP 2114 that needs work. Not sure if
Univac used Fairchild DTL, though. Could you perhaps read off a few part
numbers whenever you get a chance?
My DTL chips have markings like:
DT uL93659 (Chip type 936)
F 7016 ... 
11:43 a.m.
Fairchild part numbers trivia following.
On 2020-Jul-28, at 7:35 AM, Jay Jaeger via cctalk wrote:
The 936 is DTL.
Fairchild part numbers were a bit of a mess when looked at over their production period.
The part numbers did not readily distinguish between logic families.
Some units had the RT?L/DT?L/TT?L labeling, but that was not always present (the Fairchild
labeling there actually is mu/micro rather than u).
Some examples of the mish-mash:
901 : RT?L
915 : RT?L
926 : RT?L
936 : DT?L
946 : DT?L
960 : C?L
961 : DT?L
9007 : TT?L
9097 : DT?L
9997 : RT?L
There was often an additional 9 in front of the 3-digit types.
e.g. 9936 is DT?L 936.
Even the 59 suffix for the temp range, mentioned above, was ambiguous.
59 meant 0::+75C for DT?L, TT?L & C?L,
but
59 meant +15::+55C for CT?L.
My DTL chips have markings like:
DT uL93659 (Chip type 936)
F 7016
DT uL909759 (Chip type 9097)
F 7013
(I expect 7016 and 7013 are date codes. Not sure what the "59" is about.)
The 59 is the temperature range. For DT?L, 59 is 0C::+75C.
On 2020-Jul-28, at 8:11 AM, Paul Koning via cctalk wrote:
On Jul 28,
2020, at 10:35 AM, Jay Jaeger via cctalk <cctalk at classiccmp.org> wrote:
DT uL93659 (Chip type 936)
F 7016 ...
Is that DTL or RTL? Fairchild originally came out with RTL chips, which had uL part
numbers like uL914 (dual 2 input NOR) and uL923 (JK flop) in TO cans with 8 leads. The supply voltage would tell you; RTL uses 3.6 or so,
while DTL uses 6 volts.
Per the OP's machine, the early HP21xx machines were based on CT?L, for which the main
supply is +4.5V.
DTL and TTL chips in these machines ran off that 4.5 supply.
4:48 p.m.
Brent Hilpert via cctalk wrote:
Fairchild part numbers trivia following.
On 2020-Jul-28, at 7:35 AM, Jay Jaeger via cctalk wrote:
-snip-
So, what would two chips marked
F? U6A7709393
???? 7043
and
F?? 7306
?7-6987
be?
Carlos.
My DTL chips have markings like:
DT uL93659 (Chip type 936)
F 7016
DT uL909759 (Chip type 9097)
F 7013
(I expect 7016 and 7013 are date codes. Not sure what the "59" is about.)
The 59 is the temperature range. For DT?L, 59 is 0C::+75C.
6:46 p.m.
On 7/28/2020 6:48 PM, Carlos E Murillo-Sanchez via cctalk wrote:
So, what would two chips marked
F? U6A7709393
???? 7043
and
F?? 7306
?7-6987
be?
Carlos.
U6A seems likely to me to be referring to a linear chip, rather than a
digital one, though the 6 between the mu (U) and the A is not something
I am familiar with. I also don't get any hits in the catalog looking
for 770.
As a guess, it is might be a ua709 Operational amplifier.
730 might be uA730 - a differential amplifier.
Both were pretty common.
JRJ
8:55 p.m.
Jay Jaeger via cctalk wrote:
On 7/28/2020 6:48 PM, Carlos E Murillo-Sanchez via
cctalk wrote:
Thanks!? These chips were in a lot that had other digital chips that I
was able to identify, so I thought that they were also digital. The 709
might well be right, as it is a DIP14 package.? The other one, though,
is a DIP16 package, and from what I've seen the ua730 only came in 8-pin
cans, so it remains a mistery.
carlos.
So, what would two chips marked
F? U6A7709393
???? 7043
and
F?? 7306
?7-6987
be?
Carlos.
U6A seems likely to me to be referring to a linear chip, rather than a
digital one, though the 6 between the mu (U) and the A is not something
I am familiar with. I also don't get any hits in the catalog looking
for 770.
As a guess, it is might be a ua709 Operational amplifier.
730 might be uA730 - a differential amplifier.
Both were pretty common.
JRJ
9:24 p.m.
On 2020-Jul-28, at 4:48 PM, Carlos E Murillo-Sanchez via cctalk wrote:
So, what would two chips marked
F U6A7709393
7043
F : Fairchild
U : monolithic device (as opposed to e.g. hybrid)
6A : package, DIP (6), 14-pin (A)
7709: circuit/function code. As Jay suggests, a 709 op amp.
39 : temp range, 0::+70C for linear types
3 : I don't know, in 1966 this was a reserved-for-future-use digit position.
7043: date code of course.
I've seen other analog ICs from Fairchild similarly labeled, e.g. U5B7741393 for a 741
op amp.
and
F 7306
7-6987
My guess is a house number 7-6987, with a 7306 date code, made by Fairchild.
6:40 p.m.
On 7/28/2020 1:43 PM, Brent Hilpert via cctech wrote:
Per the OP's machine, the early HP21xx machines were based on CT?L, for which the
main supply is +4.5V.
DTL and TTL chips in these machines ran off that 4.5 supply.
The DTL I referred to in my posting are in a third-party (IOMEC) disk
controller, not the HP 2114 CPU.
JRJ
9:33 p.m.
On 2020-Jul-28, at 6:40 PM, Jay Jaeger via cctech wrote:
On 7/28/2020 1:43 PM, Brent Hilpert via cctech wrote:
Oh, I take it you mean in a separate chassis with it's own power supply then.
(I thought you were referring to the interface boards in the CPU chassis).
Per the OP's machine, the early HP21xx machines were based on CT?L, for which the
main supply is +4.5V.
DTL and TTL chips in these machines ran off that 4.5 supply.
The DTL I referred to in my posting are in a third-party (IOMEC) disk
controller, not the HP 2114 CPU. 
29 Jul
29 Jul
2:47 a.m.
RE iomec drive and? controller-?SMECC? has manuals? for? this subsystem and? diags? and
drivers for? it.Wen things get back? to normal we will be able to accesses themshould you
need any info.?We are also looking? ?for? ?a 2114!? and? a 2115!? ?We have the 2116 (drop
us a line offlist)?Ed#? ?SMECC?In a message dated 7/28/2020 10:51:30 PM US Mountain
Standard Time, cctech at classiccmp.org writes:?
On 2020-Jul-28, at 6:40 PM, Jay Jaeger via cctech wrote:
On 7/28/2020 1:43 PM, Brent Hilpert via cctech wrote:
Oh, I take it you mean in a separate chassis with it's own power supply then.
(I thought you were referring to the interface boards in the CPU chassis).?
Per the OP's machine, the early HP21xx machines were based on CT?L, for which the
main supply is +4.5V.
DTL and TTL chips in these machines ran off that 4.5 supply.
The DTL I referred to in my posting are in a third-party (IOMEC) disk
controller, not the HP 2114 CPU.
1 Aug
1 Aug
7:19 p.m.
On 7/29/2020 4:47 AM, ED SHARPE via cctalk wrote:
RE iomec drive and? controller-?SMECC? has manuals?
for? this subsystem and? diags? and drivers for? it.Wen things get back? to normal we will
be able to accesses themshould you need any info.?We are also looking? ?for? ?a 2114!?
and? a 2115!? ?We have the 2116 (drop us a line offlist)?Ed#? ?SMECC?In a message dated
7/28/2020 10:51:30 PM US Mountain Standard Time, cctech at classiccmp.org writes:?
I do have the manuals as well. Haven't scanned them yet, but I think
some of them might be on bitsavers.
7:17 p.m.
On 7/28/2020 11:33 PM, Brent Hilpert via cctalk wrote:
On 2020-Jul-28, at 6:40 PM, Jay Jaeger via cctech wrote:
Yup.
JRJ
On 7/28/2020 1:43 PM, Brent Hilpert via cctech
wrote:
Oh, I take it you mean in a separate chassis with it's own power supply then.
(I thought you were referring to the interface boards in the CPU chassis).
Per the OP's machine, the early HP21xx machines were based on CT?L, for which the
main supply is +4.5V.
DTL and TTL chips in these machines ran off that 4.5 supply.
The DTL I referred to in my posting are in a third-party (IOMEC) disk
controller, not the HP 2114 CPU.
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16 comments
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bfranchuk＠jetnet.ab.ca -
bhilpert＠shaw.ca -
boris＠summitclinic.com -
ce.murillosanchez＠gmail.com -
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cube1＠charter.net -
dave.g4ugm＠gmail.com -
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paulkoning＠comcast.net -
spam＠hell.org