From Newsgroup: comp.sys.apple2

Hi. I'm the happy owner of a Disk ][ unit, and my task now is to see
if it works. The only problem is that I own a //c and while I now
it's possible to conect them I don't know how to build an adapter, so
I need some guide to do it... Any help?

Thanks!

Seba
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From Newsgroup: comp.sys.apple2

Primoduke wrote:

Hi. I'm the happy owner of a Disk ][ unit, and my task now is to see
if it works. The only problem is that I own a //c and while I now
it's possible to conect them I don't know how to build an adapter, so
I need some guide to do it... Any help?

Thanks!

Seba

I forgot to mention that the cable fron any other Apple II 5'25"
drive except the DuoDisk will work as an adapter. Maybe someone has
a dead drive and is willing to part with the cable.

Wayne

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From Newsgroup: comp.sys.apple2

"Bill Garber" <willy46pa@comcast.net> wrote in message news:<SISdnWA2E-r6GYmiXTWJjQ@comcast.com>...

"Wayne Stewart" <waynes@telus.dotnet> wrote in message news:ki%Qa.12546$Ma.2179902@news1.telusplanet.net...

Primoduke wrote:

Hi. I'm the happy owner of a Disk ][ unit, and my task now is to see
if it works. The only problem is that I own a //c and while I now
it's possible to conect them I don't know how to build an adapter, so
I need some guide to do it... Any help?

Thanks!

Seba

I forgot to mention that the cable fron any other Apple II 5'25"
drive except the DuoDisk will work as an adapter. Maybe someone has
a dead drive and is willing to part with the cable.

Wayne

Yeah, I have an extra Apple 5.25 drive cable I can let ya have.
I was keeping it for such an emergency, but I can let it go if
you need it and don't like to solder. ;-)

Bill @ GarberStreet Enterprises };-)
Web Site - http://garberstreet.netfirms.com
Email - willy46pa@comcast.net

Well Bill, thanks a lot for the cable, but the fact is that I live in
Argentina and it could be a little bit complicated... and since A2's
were quite rare here, I'll try to build one by myself (Is this english expression used OK??). Anyway, thanks Wayne and Bill for your help!
Seba

---
This email ain't infected, dude!

Checked by AVG anti-virus system (http://www.grisoft.com).
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From Newsgroup: comp.sys.apple2


Ok, have fun, but you know where a cable is when you're
tired of trying to fry your drive. Just kidding. Good Luck.
Yes, your English is just fine, had no problem understanding
you. ;-)

Bill @ GarberStreet Enterprises };-)
Web Site - http://garberstreet.netfirms.com
Email - willy46pa@comcast.net


"Primoduke" <primoduke@hotmail.com> wrote in message news:e2c89d8b.0307151836.7ebe9e78@posting.google.com...

"Bill Garber" <willy46pa@comcast.net> wrote in message

news:<SISdnWA2E-r6GYmiXTWJjQ@comcast.com>...

"Wayne Stewart" <waynes@telus.dotnet> wrote in message news:ki%Qa.12546$Ma.2179902@news1.telusplanet.net...

Primoduke wrote:

Hi. I'm the happy owner of a Disk ][ unit, and my task now is to see
if it works. The only problem is that I own a //c and while I now
it's possible to conect them I don't know how to build an adapter,

so

I need some guide to do it... Any help?

Thanks!

Seba

I forgot to mention that the cable fron any other Apple II 5'25"
drive except the DuoDisk will work as an adapter. Maybe someone has
a dead drive and is willing to part with the cable.

Wayne

Yeah, I have an extra Apple 5.25 drive cable I can let ya have.
I was keeping it for such an emergency, but I can let it go if
you need it and don't like to solder. ;-)

Bill @ GarberStreet Enterprises };-)
Web Site - http://garberstreet.netfirms.com
Email - willy46pa@comcast.net

Well Bill, thanks a lot for the cable, but the fact is that I live in Argentina and it could be a little bit complicated... and since A2's
were quite rare here, I'll try to build one by myself (Is this english expression used OK??). Anyway, thanks Wayne and Bill for your help!
Seba

---
This email ain't infected, dude!

Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.500 / Virus Database: 298 - Release Date: 7/10/03

---
This email ain't infected, dude!

Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.500 / Virus Database: 298 - Release Date: 7/10/03


--- Synchronet 3.18b-Win32 NewsLink 1.113

From Newsgroup: comp.sys.apple2

Well....Hello again. It seems that things are no always as easy as one
would like them to be!! So... I need of your help again.
Besides the pin to pin table Wayne gave me to build the cable, I've
searched for some extra info on the net and I've found other people's
tables, but I've found some discrepancies regarding to the voltage
lines..

Here are them, where Table 1 is Wayne's, Table 2 is from a post on
this newsgroup back on 9 Feb 92 and Table 3 from another post on 28
Mar 95


Table 1 Table 2 Table 3
=========== =========== ===========
20p 19p 20p 19p 20p 19p
--- --- --- --- --- ---
1 ----- 1 1 ----- 1 1 ----- 1 GND
2 ----- 11 2 ----- 11 2 ----- 11 PHASE A
3 ----- 2 3 ----- 2 3 ----- 2 GND
4 ----- 12 4 ----- 12 4 ----- 12 PHASE B
5 ----- 3 5 ----- 3 5 ----- 3 GND
6 ----- 13 6 ----- 13 6 ----- 13 PHASE C
7 ----- 4 7 ----- 4 7 ----- 4 GND
8 ----- 14 8 ----- 14 8 ----- 14 PHASE D
9 ----- 5 9 ----- 5 9 ----- 5 -12V
10 ----- 15 10 ----- 15 10 ----- 15 WRITE REQ
11 ----- 6 11 ----- 6 11 ----- 6 +5V
DIF!!> 12 ----- n/c 12 ----- 6 12 ----- 16 ## +5V
DB19-pin16= n/c
13 ----- 7 13 ----- 7 13 ----- 7 +12V
14 ----- 17 14 ----- 17 14 ----- 17 DRIVE ENBL (Drive One) DIF!!> 15 ----- 8 15 ----- 7 15 ----- 8 ## All= +12V
16 ----- 18 16 ----- 18 16 ----- 18 READ DATA
DIF!!> 17 ----- 9 17 ----- 8 n/c ## IDC20-pin17= +12V
DB19-pin9= Drive2
DB19-pin8= +12v
18 ----- 19 18 ----- 19 18 ----- 19 WRITE DATA
DIF!!> 19 ----- n/c 19 ----- 8 n/c +12V
20 ----- 10 20 ----- 10 20 ----- 10 WRITE PROTECT
DIF??> n/c----- 16 n/c----- 16 ??? DB19-pin16= n/c

So, I'm not sure how exactly build my cable, and since the
discrepances here are with Voltage lines, I'm afraid to end with a //c
and a Drive ][ both fried like eggs, and remember how difficult to
find these machines are here in Argentina! So here comes another
question: why the IDC has four pins with +12v: are they for different
purposes? Or it's just the same if I connect the +12V pin on the DB 19
(pin 7) to any +12V pin on the IDC 20 (pins 13, 15, 17 and 19)??? Does
the drive ][ need to recive +12v through each of these pins??? And
finnally, on TABLE 3, IDC20-pin12 <-----> DB19-pin16, should be a
typing mistake... what do you think?


Thanks again.

Seba
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From Newsgroup: comp.sys.apple2



Primoduke wrote:

Well....Hello again. It seems that things are no always as easy as one
would like them to be!! So... I need of your help again.
Besides the pin to pin table Wayne gave me to build the cable, I've
searched for some extra info on the net and I've found other people's
tables, but I've found some discrepancies regarding to the voltage
lines..

Here are them, where Table 1 is Wayne's, Table 2 is from a post on
this newsgroup back on 9 Feb 92 and Table 3 from another post on 28
Mar 95

Table 1 Table 2 Table 3
=========== =========== ===========
20p 19p 20p 19p 20p 19p
--- --- --- --- --- ---
1 ----- 1 1 ----- 1 1 ----- 1 GND
2 ----- 11 2 ----- 11 2 ----- 11 PHASE A
3 ----- 2 3 ----- 2 3 ----- 2 GND
4 ----- 12 4 ----- 12 4 ----- 12 PHASE B
5 ----- 3 5 ----- 3 5 ----- 3 GND
6 ----- 13 6 ----- 13 6 ----- 13 PHASE C
7 ----- 4 7 ----- 4 7 ----- 4 GND
8 ----- 14 8 ----- 14 8 ----- 14 PHASE D
9 ----- 5 9 ----- 5 9 ----- 5 -12V
10 ----- 15 10 ----- 15 10 ----- 15 WRITE REQ
11 ----- 6 11 ----- 6 11 ----- 6 +5V
DIF!!>12 ----- n/c 12 ----- 6 12 ----- 16 ## +5V
DB19-pin16= n/c
13 ----- 7 13 ----- 7 13 ----- 7 +12V
14 ----- 17 14 ----- 17 14 ----- 17 DRIVE ENBL (Drive One) DIF!!>15 ----- 8 15 ----- 7 15 ----- 8 ## All= +12V
16 ----- 18 16 ----- 18 16 ----- 18 READ DATA
DIF!!>17 ----- 9 17 ----- 8 n/c ## IDC20-pin17= +12V
DB19-pin9= Drive2
DB19-pin8= +12v
18 ----- 19 18 ----- 19 18 ----- 19 WRITE DATA
DIF!!>19 ----- n/c 19 ----- 8 n/c +12V
20 ----- 10 20 ----- 10 20 ----- 10 WRITE PROTECT DIF??>n/c----- 16 n/c----- 16 ??? DB19-pin16= n/c

I went over them very carefully

On the 20 pin connector pin 12 has no connection, there isn't even wire
to that pin
Pin 15 is connected to pin 8
Pin 17 is connected to pin 9
Pin 19 is n/c
On the 19 pin connector pin 16 doesn't even exist so it's definetly n/c

So, I'm not sure how exactly build my cable, and since the
discrepances here are with Voltage lines, I'm afraid to end with a //c
and a Drive ][ both fried like eggs, and remember how difficult to
find these machines are here in Argentina! So here comes another
question: why the IDC has four pins with +12v: are they for different purposes? Or it's just the same if I connect the +12V pin on the DB 19
(pin 7) to any +12V pin on the IDC 20 (pins 13, 15, 17 and 19)??? Does
the drive ][ need to recive +12v through each of these pins??? And
finnally, on TABLE 3, IDC20-pin12 <-----> DB19-pin16, should be a
typing mistake... what do you think?

Thanks again.

Seba

If you look at the top of the analog card in your disk II you'll find
one trace connects pins 13, 15, 17, and 19.

On the bottom of the Analog card pins 11 & 12 are connected

So because these pins are connected Tables 1 and 2 are effectively
identical.

Wayne

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