Return-Path: Delivered-To: craig@sbc-85.com Received: from gator4254.hostgator.com by gator4254.hostgator.com with LMTP id 4GjqCHYkEGfRhw0AcizydQ (envelope-from ) for ; Wed, 16 Oct 2024 15:39:18 -0500 Return-path: Envelope-to: craig@sbc-85.com Delivery-date: Wed, 16 Oct 2024 15:39:18 -0500 Received: from mail-wm1-f46.google.com ([209.85.128.46]:50341) by gator4254.hostgator.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.96.2) (envelope-from ) id 1t1And-003nWo-1h for craig@sbc-85.com; Wed, 16 Oct 2024 15:39:18 -0500 Received: by mail-wm1-f46.google.com with SMTP id 5b1f17b1804b1-43123368ea9so2208215e9.0 for ; Wed, 16 Oct 2024 13:39:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1729111146; x=1729715946; 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=T1vID9853nrVsanYnANPHfIrydRDEorjkGLiSKyMhcg=; b=LuHuhlfIvNBOwxmj1iWsF4FC1pROQx5ATkcsqoEGcsBZum4fOJTgTimpRQOeDow8mk wid2Mmd36bXhrVYWwXbVjjtG2YFNh64ryNmxQlNHpd49+Zt8p90jd4HU3SfuJEEC5Ml4 6TJvAC4xNTr5tRANySGS/pUot095Pn4F/tNoy2WwNgtQ8d5EWfFV5PL9YvFkRgO3m6gq uwIuYyFFBx5I7wU2s38DlikwsILBMwFFmAS/RykUQffqh/o91gq1OXh5d1oP5ffnaWbs sFvWHosFtbORIgFbhCSjoX0oWu3hHZnCl7BiYMrnn6L7N2oOY7chWczDsuWBVuZ3dprY RRnQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729111146; x=1729715946; 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=T1vID9853nrVsanYnANPHfIrydRDEorjkGLiSKyMhcg=; b=R1E2vMhivhnYkexwgD//jyz7lRIAt9mbMD+xbFQK5NDRx+0jrXDxYld3ocJuWMv0zX jx7kGbtEsKxPPdY5vRoTq7b46n9WKJJgOLVtWA1G1Wiwr6ARBk5bdCzVVzSZCit4ch5s 0raCjC9A4DE86/3dXtxr/EZEzd+HjrA27MRg26gD5uoMfHihC/VXu4vmd5Ys/QTzy1C5 GpqJSb6ytGllZpybzM/w6Ze8AEnFq6tn68aEoVYImh+OQLRknIb5uiGkbk4NeOJq39qK fMl+MRxcrP7bwrXjAXZ6pAUSwrfYccyja2wUVcukGKlC2xcq6s0UMCRZrOTIH9r26U2t FHiw== X-Gm-Message-State: AOJu0Yx3qHeILvbYE7R3+gOC+KriQJIlO7sTUV+sV0d2HeVCU+09Srh0 A/N1FpgHCrMPsphOq+08KJDV1TiNgIe5EbiTVOzAXTirlLOzdY5m9XfYliTcHcvd/xXDapkwxWj mLXHZIxV6RaCKQqyZK+4d98iJ420u7g== X-Google-Smtp-Source: AGHT+IGQwQnZgUxJvKibdmk4Z60+EtphHBEwxE4eCCNqkcEgHuNMRfUK6E+mtQe0m8tyfmayoHc9GiM07fYQROxeMRg= X-Received: by 2002:a05:600c:19d0:b0:42c:c401:6d8b with SMTP id 5b1f17b1804b1-431255d4b07mr144203235e9.7.1729111145654; Wed, 16 Oct 2024 13:39:05 -0700 (PDT) MIME-Version: 1.0 References: <50A5BA1C-713B-47AE-84A7-7D47DB563479@tessol-inc.com> <2E238B03-C172-43CA-A999-2E4C2DEBFE50@sbc-85.com> <15de01db1f47$3dd945b0$b98bd110$@sbc-85.com> In-Reply-To: <15de01db1f47$3dd945b0$b98bd110$@sbc-85.com> From: Jon Hales Date: Wed, 16 Oct 2024 21:38:55 +0100 Message-ID: Subject: Re: Intellec guides To: craig@sbc-85.com Content-Type: multipart/alternative; boundary="0000000000009d344406249e0f42" X-Spam-Status: No, score=-2.2 X-Spam-Score: -21 X-Spam-Bar: -- X-Spam-Flag: NO --0000000000009d344406249e0f42 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi Craig Thank you for your searches. I think I'll get the 'accurate' type with the ability to replace it with the authentic one at a later stage. I'm not planning on a further round of purchases from Anchor, but thank you for thinking of that option. Regards Jon On Tue, 15 Oct 2024 at 22:14, wrote: > Hi Jon, > > > > If you want to stick with the original=E2=80=A6.. > > I found these on ebay but shipping is $20 to the US, probably cheaper to > UK but with Brexit who knows? Ebay and from Greece > > > > eBay item number:*196657610251* > > Crystal Oscillator 4.9562MHz HC-49 Standard | Beskas > > > 4.9562Mhz Quartz Crystal Oscillator (radio741.com) > > > > > It looks like Elliot supply here has them but a bit more expensive. I > will put some on my list of things to order. > > 2 pin / lead crystal quartz crystals | elliott electronic supply > > > > > It looks like the 4.9562 MHz would give a baud rate of 2420 when set to > 2400 so the frequency is 1% too high. I am guessing that was just a > commonly available radio crystal. I think sid is correct that going down > to the 4.9152 is more accurate for the timing but less authentic. Looki= ng > at the board it there is a /16 stage then /4 to select 2400, /8 for 1200 > and they take the 1200 into the third counter and /8 which is 150 baud > rather than 110 but close enough I guess. Putting in the more accurate > crystal may make it easier to take the baud rate higher. > > > > Since it has taken so long to get this point, let me know if you were > planning on ordering anything else from anchor or elsewhere to include. > Otherwise I will get your guides and anchor parts sent out. > > > > Regards > > craig > > > > > > *From:* Jon Hales > *Sent:* Tuesday, October 15, 2024 12:22 PM > *To:* SBC-85 > *Subject:* Re: Intellec guides > > > > Hi Craig > > > > Apologies for my slowness in replying. I shall be delighted if you can > send me the parts - all of - you have prepared. This assumes you would no= t > use them yourself. I'm very grateful. > > > > I understand the cost of postage may be governed by the volume of the > parcel - but that is no obstacle. If you can let me know the cost of > shipping (USPS Economy ?), I'll reimburse you via PayPal. I had said I > would also reimburse your costs for material and whatever else was involv= ed > in your efforts. I noticed, however that you said 'they are all free' - > which again is tremendously generous. > > > > I was recently talking with Sid Jones, who has an Intellec 4/40 which he > used as a student. I mentioned the oscillator for the I/O board which is > shown on the schematic drawings as having a value of 4.9562 MHz. Sid > suggested that 4.9152 MHz should be compatible, on the basis that it's th= e > product of 9600 and 512. The latter are very easy to find, whereas my > search for the former has not yet produced a source. May I ask your opini= on > about what would be suitable? > > > > Best regards > > > > Jon > > > > On Tue, 15 Oct 2024 at 16:50, SBC-85 wrote: > > I forgot to mention that of course I can print additional parts if you > need something else. > Regards > Craig > > > On Oct 14, 2024, at 5:31=E2=80=AFPM, Craig Andrews > wrote: > > > > =EF=BB=BFHi Jon > > > > Rain here for the next week so I am going to be home. Looking at your > parts. I have a complete set of left /right guides, top, and a couple of > cross supports to prevent spreading of the guides. > > Then I have a set of earlier version guides leaning on the right side, > and the extra left guide leaning on the left side. For a long time I just > used the orange left guide by itself to keep the boards spaced but still > allowing them to be wiggled sideways to get them out of the socket. > > > > The ones on the right were earlier versions and I didn=E2=80=99t like t= he slot > lettering but they are functional. All the guides weigh very little so th= at > one or all will not change postage that much. > > > > Let me know what all you would like to have. They are all free and the > extras will go in the garbage if you don=E2=80=99t take them. > > > > Cheers > > Craig > > > > > > > > > > > > > > > > > > > > > > > > --0000000000009d344406249e0f42 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Craig

Thank you for your searches. I= think I'll get the 'accurate' type with the ability to replace= it with the authentic one at a later stage.

I'= ;m not planning on a further round of purchases from Anchor, but thank you = for thinking of that option.

Regards
Jon

On Tue, 15 Oct 2024 at 22:14, <craig@sbc-85.com> wrote:

Hi Jon,

=C2=A0

<= span style=3D"font-size:11pt">If you want to stick with the original=E2=80= =A6..

I found these on ebay but shipping is $20 to the US, probably chea= per to UK but with Brexit who knows?=C2=A0 Ebay and from Greece

= =C2=A0

eBay item number:196657610251

Crys= tal Oscillator 4.9562MHz HC-49 Standard | Beskas

4.9562Mhz Quartz Crystal Oscillator (radio741.com)=

=C2= =A0

= It looks like Elliot supply here has them but a bit more expensive.=C2=A0 I= will put some on my list of things to order.

2 pin / le= ad crystal quartz crystals | elliott electronic supply

=C2=A0=

It = looks like the 4.9562 MHz would give a baud rate of 2420 when set to 2400 s= o the frequency is 1% too high.=C2=A0 I am guessing that was just a commonl= y available radio crystal.=C2=A0 I think sid is correct that going down to = the 4.9152 is more accurate for the timing but less authentic.=C2=A0=C2=A0 = Looking at the board it there is a /16 stage then /4 to select 2400, /8 for= 1200 and they take the 1200 into the third counter and /8 which is 150 bau= d rather than 110 but close enough I guess.=C2=A0 Putting in the more accur= ate crystal may make it easier to take the baud rate higher.<= /span>

=C2= =A0

= Since it has taken so long to get this point, let me know if you were plann= ing on ordering anything else from anchor or elsewhere to include.=C2=A0 Ot= herwise I will get your guides and anchor parts sent out.

=C2=A0<= u>

Rega= rds

craig

=C2=A0

=C2=A0

From: Jon Hales <jonhales@gmail.com>=
Sent: Tuesday, October 15, 2024 12:22 PM
To: SBC-85 &= lt;craig@sbc-85.com>
Subject: Re: Intellec guides

=C2=A0

Hi Craig

<= div>

I was recently talking with Sid Jones, who has a= n Intellec 4/40 which he used as a student. I mentioned the oscillator for = the I/O board which is shown on the schematic drawings as having a value of= 4.9562 MHz. Sid suggested that 4.9152 MHz should be compatible, on the bas= is that it's the product of 9600 and 512. The latter are very easy to f= ind, whereas my search for the former has not yet produced a source. May I = ask your opinion about what would be suitable?

=C2=A0

I forgot to mention that of course I can print additional parts if yo= u need something else.
Regards
Craig

> On Oct 14, 2024, at = 5:31=E2=80=AFPM, Craig = Andrews <craig.andrews@tessol-inc.com> wrote:
>
> =EF=BB=BFHi Jon
>
> = Rain here for the next week so I am going to be home. Looking at your parts= . I have a complete set of left /right guides, top, and a couple of cross s= upports to prevent spreading of the guides.
> Then I have a set of e= arlier version guides leaning on the right side, and the extra left guide l= eaning on the left side. For a long time I just used the orange left guide = by itself to keep the boards spaced but still allowing them to be wiggled s= ideways to get them out of the socket.
>
> The ones on the ri= ght were earlier versions and I didn=E2=80=99t like the slot lettering but = they are functional. All the guides weigh very little so that one or all wi= ll not change postage that much.
>
> Let me know what all you = would like to have. They are all free and the extras will go in the garbage= if you don=E2=80=99t take them.
>
> Cheers
> Craig
= >
> <IMG_3781.jpg>
>
>
>
> <I= MG_3782.jpg>
>
>
>
> <IMG_3783.jpg>
= >

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