Return-Path: Delivered-To: craig@sbc-85.com Received: from gator4254.hostgator.com by gator4254.hostgator.com with LMTP id cPSJJaDOCWU1rgYAcizydQ (envelope-from ) for ; Tue, 19 Sep 2023 11:38:56 -0500 Return-path: Envelope-to: craig@sbc-85.com Delivery-date: Tue, 19 Sep 2023 11:38:56 -0500 Received: from mail-pl1-f182.google.com ([209.85.214.182]:56810) by gator4254.hostgator.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.96) (envelope-from ) id 1qidkV-0022NT-2x for craig@sbc-85.com; Tue, 19 Sep 2023 11:38:56 -0500 Received: by mail-pl1-f182.google.com with SMTP id d9443c01a7336-1c453379020so24514765ad.1 for ; Tue, 19 Sep 2023 09:38:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cpushack-com.20230601.gappssmtp.com; s=20230601; t=1695141524; x=1695746324; darn=sbc-85.com; h=to:subject:message-id:date:from:in-reply-to:references:mime-version :from:to:cc:subject:date:message-id:reply-to; bh=KLg3+wAgvGrjb6LLOytwNf7tdeCDajt+QjuJ41fSvBo=; b=o9NQGdqM+ODhNDvxs50C34ACnrpktL3iEVXcQCMzVkM+5RGOw/aKTquIVY6EYb3jpB npmgj+3DvVGwglmHlAgdJEAGAiKHPn00vNY+aA6KKAklPQZcnmPidFH31okHUCl/lERb XrmVhI9GSthtTjd5U2hsOypqzzrzliwyWCQpHQls1cXpJgyryfnqOp/Zars7mCxyB3oQ Wh2u4LXsDtLSN1WN+cGhvnCaOgVT4kBZ3lnxeyho/KTzwoZPJipIe0GUWjvGvnh3ul/G 9m72V4jCulzKNglXL/ROs8M9VxTetGVvcx+exB/68o71lXcGSph9Uo5Q1KR9MuDMHJTa T0lg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695141524; x=1695746324; h=to:subject:message-id:date:from:in-reply-to:references:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=KLg3+wAgvGrjb6LLOytwNf7tdeCDajt+QjuJ41fSvBo=; b=Vzmcvoi4Jqp+7YrpOkLoXDnTDJnboT4kR878KKVaEYkvyYOu/rhcQQNPKt4cfcwic0 h3LTp+TnT41UdK/t2XXY3d3LPVmtpsRhvJZ9g9inpRvw50N1YXTnh5zx+lEPRHmheWyp PVyUEjqrQ32kPcGskvZYKxhRmZ0Rhl9oE+GI1idYQ/mV4Kdm67aQTpOddHOESafJb37T Uc4YIy+eU86S7enWfomiAcQawh/eXjO8QosDXVE8QNxdD5f+SpeJ8zoMTLBESeMaQbgS Stl5IZhdzc7hKv//v4bCWRpY8Gt3ibojy6o+Hz6CMZL4VtleLjxpR3iLpH1v2EeQ6j1x NYxA== X-Gm-Message-State: AOJu0YyuesYeUufGvnB/Cah5fd6rV7iVOzfHgxaPVWJ1wakevHiwhYgx G5iARYc7j4HPHL3FyOKOQXq1rPTJCOBMt1ug58JoxLHHtd4BZDSw X-Google-Smtp-Source: AGHT+IH9mh/zTtzL4RfPCziUCHKLUu+MYi3ZW0E7Wmr6JbQVsmSfzecYIKnH516A8oPkM5XQiN2IQXh+Momw1nilIIY= X-Received: by 2002:a17:903:44a:b0:1c3:8031:1d9e with SMTP id iw10-20020a170903044a00b001c380311d9emr9610638plb.15.1695141523152; Tue, 19 Sep 2023 09:38:43 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: John Culver Date: Tue, 19 Sep 2023 09:38:32 -0700 Message-ID: Subject: Re: intel 2113 RAMs To: SBC-85 Content-Type: multipart/alternative; boundary="00000000000054f8060605b8e4ce" X-Spam-Status: No, score=-0.5 X-Spam-Score: -4 X-Spam-Bar: / X-Spam-Flag: NO --00000000000054f8060605b8e4ce Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable $14 to john@cpushack.com John Culver Curator The CPU Shack Museum john@cpushack.com www.cpushack.com On Mon, Sep 18, 2023 at 10:46=E2=80=AFPM SBC-85 wrote: > I noticed that later when I went back to your site. I should take it > anyway because I don=E2=80=99t know which flavor I will find enough of fi= rst. > > Let me know the total and your PayPal. > Thanks > Craig > > On Sep 18, 2023, at 9:58 PM, John Culver wrote: > > =EF=BB=BF > The standard production one I have is A0L (the ES ones were A0H) > > John Culver > Curator > The CPU Shack Museum > john@cpushack.com > www.cpushack.com > > > On Sun, Sep 17, 2023 at 11:45=E2=80=AFAM SBC-85 wrote: > >> I am just rounding them up so can use either one but will stick with AOH >> since they seem to be more prevalent. Whatever yield problem intel was >> having must have been in the low half. Have you noticed that or did I ju= st >> accidentally start a rumor? >> >> I will take the one standard production AOH you have. >> >> On Sep 17, 2023, at 10:28 AM, John Culver wrote: >> >> =EF=BB=BF >> I have 2 Engineering Samples as well, but the are the opposite set up >> (A0H vs A0L) and kinda spendy >> John Culver >> Curator >> The CPU Shack Museum >> john@cpushack.com >> www.cpushack.com >> >> >> On Sat, Sep 16, 2023 at 3:40=E2=80=AFPM wrote: >> >>> Hi John, >>> >>> >>> >>> I need some intel 2113 SRAMs. qty 4 to get a board populated. I see >>> you have one listed, that is all you have available? >>> >>> >>> >>> *From:* John Culver >>> *Sent:* Saturday, February 4, 2023 7:30 AM >>> *To:* SBC-85 >>> *Subject:* Re: MCS-8 tester >>> >>> >>> >>> yaah, I keep some in stock if needed >>> >>> John Culver >>> Curator >>> The CPU Shack Museum >>> john@cpushack.com >>> www.cpushack.com >>> >>> >>> >>> >>> >>> On Sat, Feb 4, 2023 at 1:36 AM SBC-85 wrote: >>> >>> Yes, it would be good to have a tester. The 4289s are hard to come by >>> also unless you have a supplier. >>> >>> >>> >>> On Feb 4, 2023, at 12:10 AM, John Culver wrote: >>> >>> =EF=BB=BF >>> >>> It does not unfortunately, it used a 4289, which was the replacement fo= r >>> the 4008/4009 >>> >>> I dont have a good way to test them, though seems maybe be good to make >>> one >>> >>> John Culver >>> Curator >>> The CPU Shack Museum >>> john@cpushack.com >>> www.cpushack.com >>> >>> >>> >>> >>> >>> On Fri, Feb 3, 2023 at 10:41 PM SBC-85 wrote: >>> >>> Hi John, >>> >>> Can your MCS-4 tester test the 4008 and 4009? Or do you have a good way >>> to test them? >>> >>> >>> >>> Regards >>> >>> >>> >>> Craig >>> >>> >>> >>> On Sep 26, 2022, at 12:13 PM, John Culver wrote: >>> >>> =EF=BB=BF >>> >>> In the tester the CPU S2 output is only connected to an input pin of th= e >>> GAL22V10. The GAL is CMOS technology and the input has an internal pull= up, >>> so it's not a heavy load. >>> I do not think my tester would detect this problem unfortunately >>> >>> John Culver >>> Curator >>> The CPU Shack Museum >>> john@cpushack.com >>> www.cpushack.com >>> >>> >>> >>> >>> >>> On Fri, Sep 23, 2022 at 5:07 PM wrote: >>> >>> Hi John, >>> >>> >>> >>> One of my current projects is a reproduction intellect 8 board set. I >>> have to use my MIL MOD8 to see if my 8008 CPUs are good and I just came >>> across one that worked OK in the MIL MOD8 but is flakey in my intellect= 8. >>> It turns out the S2 output is weak so sometimes the 8008 has trouble >>> generating a T1I state and coming out of interrupt. >>> >>> >>> >>> how thoroughly does your MCS-8 board test outputs? would it catch this >>> sort of problem with a marginal output pin? if so, I think I need one. >>> >>> >>> >>> regards >>> >>> >>> >>> craig >>> >>> >>> >>> *From:* John Culver >>> *Sent:* Tuesday, July 5, 2022 9:42 AM >>> *To:* SBC-85 >>> *Subject:* Re: Bubble kits >>> >>> >>> >>> yup all good, >>> >>> Intel didnt 'make' many 2704s and I havent seen one that isnt a 2708 >>> die, I really doubt they MADE a separate die for one, and likely only m= ade >>> the 2704 to deal with lower then wanted yields of the 2708 die >>> >>> There wasnt a huge marker for a 4k EPROM, and not many others mae them >>> (Intersil/Harris did but in different configurations) >>> >>> >>> John Culver >>> Curator >>> The CPU Shack Museum >>> john@cpushack.com >>> www.cpushack.com >>> >>> >>> >>> >>> >>> On Tue, Jul 5, 2022 at 2:19 AM SBC-85 wrote: >>> >>> Hi John >>> >>> >>> >>> Thanks for the feedback on tindie, I hope you are having fun with the >>> bubbles >>> >>> >>> >>> Quick question.=E2=80=94Have you ever seen an intel 2704 that wasn=E2= =80=99t actually a >>> 2708 die? Did intel ever make a 2704 die do you think? >>> >>> >>> >>> >>> >>> Regards >>> >>> >>> >>> Craig >>> >>> >>> >>> >>> >>> >>> >>> On Jun 20, 2022, at 11:40 AM, John Culver wrote: >>> >>> =EF=BB=BF >>> >>> Yup came in good condition >>> >>> all 5 of them had memtech branded 7110s (was half expecting an Intel to >>> show up in one of them haha) >>> >>> The scope I have works well for analysis but I dont have a camera set u= p >>> for it unfortunately >>> >>> I'll have to figure out feedback on tindie lol was my first time using = it >>> >>> the 3870 is a neat chips, I should write something on it sometime, >>> pretty much a Microcontroller version of the F8, and they made a UV-EPR= OM >>> based one too. the 3870 turned out to be very popular in Euro telecoms= , >>> being made by Telefunken a lot (and tons by Mostek/SGS too) >>> >>> John Culver >>> Curator >>> The CPU Shack Museum >>> john@cpushack.com >>> www.cpushack.com >>> >>> >>> >>> >>> >>> On Sun, Jun 19, 2022 at 9:57 AM SBC-85 wrote: >>> >>> Hi John >>> >>> It looks like these bubble kits have been delivered. Please let me know >>> if there are any issues. Positive feedback on tindie would be apprecia= ted >>> >>> Regards >>> >>> Craig >>> >>> > On Jun 16, 2022, at 4:46 PM, John Culver wrote: >>> > >>> > =EF=BB=BFThanks! Some are for my friends. I am a collector so like o= ld >>> processors and related things. I run cpushack.com if ya want to check >>> it out >>> > >>> > Sent from my iPhone >>> > >>> >> On Jun 16, 2022, at 1:34 PM, SBC-85 wrote: >>> >> >>> >> =EF=BB=BFHi John, I will box these bubble kits up and take to the po= st office >>> tomorrow. If I may ask, what do you plan on doing with these? Not exa= ctly >>> a hot market for bubbles, I think my SBC-85 bubble board is the only >>> current thing that utilizes these. Since these have been sealed, I can= =E2=80=99t >>> imagine there would be any problems with the seed bubble. >>> >> >>> >> Do you have any intel 4 bit or early 8 bit you are interested in >>> trading? I am looking for pro-log 04/40 and 8008. >>> >> >>> >> Regards >>> >> >>> >> Craig >>> >>> --00000000000054f8060605b8e4ce Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
$14 to john@cpushack.= com
John Culver
Curator
The CPU Shack Mu= seum
john@cpushac= k.com
www.cpus= hack.com


On Mon, Sep 18, 2023 at 10:46=E2=80=AFPM SBC-= 85 <craig@sbc-85.com> wrote:<= br>
I noticed that later when I went = back to your site.=C2=A0 I should take it anyway because I don=E2=80=99t kn= ow which flavor I will find enough of first.

Let me know the total and your PayPal.
Thanks
Craig

On Sep 18, 2023, at 9:58 PM, John Culver <john@cpushack.com> wrote:<= br>
=EF=BB= =BF
The standard production one I have is A0L (the ES ones = were A0H)

John Culver
Curator
The CPU Shack Museum
john@cpushack.com
www.cpushack.com

=

On Sun, Sep 17, 2023 at 11:45=E2=80=AFAM SBC-85 <craig@sbc-85.com> wrote:
I am just rounding them up so can use e= ither one but will stick with AOH since they seem to be more prevalent.=C2= =A0 Whatever yield problem intel was having must have been in the low half.= Have you noticed that or did I just accidentally start a rumor?

I will take the one standard product= ion AOH you have.=C2=A0

On Sep 17, 2023, at 10:28 AM, John Culver <john@cpushack.com> wrote:

=EF=BB=BF
I have 2 Engineering Samples as well, but the are the opposite set up = (A0H vs A0L) and kinda spendy
John Culver
Curator
The CPU Shack Museum
john@cpushack.com
www.cpushack.com

On Sat, Sep 16, 2023 at 3:40=E2=80=AFPM <craig@sbc-85.com> wrote:

Hi John,

<= u>=C2=A0

I need some intel 2113 SRAMs.= =C2=A0 qty 4 to get a board populated.=C2=A0 I see you have one listed, tha= t is all you have available?

=C2=A0

From: John Culver <john@cpushack.com>
Sent: Satur= day, February 4, 2023 7:30 AM
To: SBC-85 <craig@sbc-85.com>
Subject: Re: MCS-8 tester

= =C2=A0

yaah, I keep some in stock if = needed

= John Culver
Curator
The CPU Shack Museum
john@cpushack.com
www.cpushack.com

=C2=A0

=C2=A0

On Sat, = Feb 4, 2023 at 1:36 AM SBC-85 <craig@sbc-85.com> wrote:

Yes, it would be good to h= ave a tester. The 4289s are hard to come by also unless you have a supplier= .



=

On Feb 4, 2023, at 12:10 AM, John Culve= r <john@cpushack.= com> wrote:

=EF=BB=BF=

It does not unfortunately, it us= ed a 4289, which was the replacement for the 4008/4009

I dont have a good way to test them, though seems = maybe be good to make one

John Culver
Curator
The CPU Shack Museum
john@cpushack.com
<= a href=3D"http://www.cpushack.com" target=3D"_blank">www.cpushack.com

=C2=A0

=

=C2=A0

On Fri, Feb 3, 2023 at 10:41 PM SBC-85 <craig@sbc-85.com> wrote:

= Hi John,

Can your MCS-4 = tester test the 4008 and 4009? Or do you have a good way to test them?

=C2=A0

Regards

=C2=A0

Cr= aig



On Sep 26, 2022, at 12:13 PM, John Cu= lver <john@cpusha= ck.com> wrote:

=EF=BB=BF=

In the tester the CPU S2 outp= ut is only connected to an input pin of the GAL22V10. The GAL is CMOS techn= ology and the input has an internal pull up, so it's not a heavy load.<= br>I do not think my tester would detect this problem unfortunately

John CulverCurator
The CPU Shack Museum
john@cpushack.com
www.cpushack.com

=C2=A0

<= /u>=C2=A0

On Fri, Sep 23, 2022 a= t 5:07 PM <craig@s= bc-85.com> wrote:

Hi John,

=C2=A0

One of my current pr= ojects is a reproduction intellect 8 board set.=C2=A0 I have to use my MIL = MOD8 to see if my 8008 CPUs are good and I just came across one that worked= OK in the MIL MOD8 but is flakey in my intellect 8.=C2=A0 It turns out the= S2 output is weak so sometimes the 8008 has trouble generating a T1I state= and coming out of interrupt.

=C2= =A0

how thoroughly does your MCS-8 = board test outputs?=C2=A0 would it catch this sort of problem with a margin= al output pin?=C2=A0 if so, I think I need one.

=C2=A0

regards

=C2=A0

craig

=C2=A0

From: John Culver <john@cpushack.com>
Sent: Tuesday, July 5, 202= 2 9:42 AM
To: SBC-85 <craig@sbc-85.com>
Subject: Re: Bubble kits

=C2=A0

<= p class=3D"MsoNormal">yup all good,

Intel didnt=C2=A0'make' many 2704s and I havent seen one that= isnt a 2708 die, I really doubt they MADE a separate die for one, and like= ly only made the 2704 to deal with lower then wanted yields of the 2708 die=

There wasnt a huge mark= er for a 4k EPROM, and not many others mae them (Intersil/Harris did but in= different configurations)


Joh= n Culver
Curator
The CPU Shack Museum
john@cpushack.com
www.cpushack.com

=

=C2=A0

=C2=A0

On = Tue, Jul 5, 2022 at 2:19 AM SBC-85 <craig@sbc-85.com> wrote:

Hi John

=

=C2=A0

Thanks for the feedback on tindie, I hope you are having fun wit= h the bubbles

=C2=A0<= /u>

Quick question.=E2=80=94Hav= e you ever seen an intel 2704 that wasn=E2=80=99t actually a 2708 die?=C2= =A0 Did intel ever make a 2704 die do you think?

=C2=A0

=C2=A0

Regards

=C2=A0

<= /div>

Craig

=C2=A0

= =C2=A0

=C2=A0

On Jun = 20, 2022, at 11:40 AM, John Culver <john@cpushack.com> wrote:

=EF=BB=BF

Yup came in good condition

al= l 5 of them had memtech branded 7110s (was half expecting an Intel to show = up in one of them haha)

= The scope I have works well for analysis but I dont have a camera set up fo= r it unfortunately

I'= ;ll have to figure out feedback on tindie lol was my first time using it=

the 3870 is a neat chips, = I should write something on it sometime, pretty much a Microcontroller vers= ion of the F8, and they made a UV-EPROM based one too.=C2=A0 the 3870 turne= d out to be very popular in Euro telecoms, being made by Telefunken a lot (= and tons by Mostek/SGS too)

John Culver
Curator
The CPU Shack Museum
john@cpushack.comwww.cpushack.com=

=C2=A0

=C2=A0

On Sun, Jun 19, 2022 at 9:57 AM SBC-85 <craig@sbc-85.com> wrote:=

Hi John

It looks like these bubble kits have been deliver= ed. Please let me know if there are any issues.=C2=A0 Positive feedback on = tindie would be appreciated

Regards

Craig

> On Jun= 16, 2022, at 4:46 PM, John Culver <john@cpushack.com> wrote:
>
> =EF=BB= =BFThanks!=C2=A0 Some are for my friends. I am a collector so like old proc= essors and related things. I run cpushack.com if ya want to check it out
>
> Sent = from my iPhone
>
>> On Jun 16, 2022, at 1:34 PM, SBC-85 <= ;craig@sbc-85.com= > wrote:
>>
>> =EF=BB=BFHi John, I will box these bub= ble kits up and take to the post office tomorrow.=C2=A0 If I may ask, what = do you plan on doing with these?=C2=A0 Not exactly a hot market for bubbles= , I think my SBC-85 bubble board is the only current thing that utilizes th= ese. Since these have been sealed, I can=E2=80=99t imagine there would be a= ny problems with the seed bubble.
>>
>> Do you have any = intel 4 bit or early 8 bit you are interested in trading?=C2=A0 I am lookin= g for pro-log 04/40 and 8008.=C2=A0
>>
>> Regards
&g= t;>
>> Craig

<= /blockquote>
= --00000000000054f8060605b8e4ce--