Re: Strange IEEE-488 interface

From: Marko Mäkelä (
Date: 2003-04-12 19:58:05

Hi Feri, Levente, others,

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----- Forwarded message from -----

Date: Sat, 12 Apr 2003 07:42:10 +0200
From: Feri Kontros <>
Message-ID: <>
Subject: Re: Strange IEEE-488 interface
In-reply-To: <>
References: <>

Hello Hársfalvi,

HL> Today I finally received the two old C64 IEEE-488 interface modules that I
HL> ordered a few weeks ago. After opening them, I guess they look pretty
HL> interesting. Before I got the pack, I thought I should receive two standard
HL> C= IEEE interfaces with the well known circuitry (based on a 6525? or
HL> something similarly rare MOS chip). But no. The interfaces were manufactured
HL> by Novotrade Fotoelektronik Gt. (a well-known Hungarian C= hardware support
HL> company in the middle '80s). Inside, I see a 6821 PIA, a 2732 EPROM, a
HL> 74ls04 and a 74ls139.

HL> Anyone ever seen such thingy?... ...Maybe I'm just naive :-(

I also had same card made in austria. BTW, it shouldn't work with too
many C= devices. I tried with SFD 1001 without success, until replaced
74ls04 with 7406.

Best regards,

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