[Coco] ADOS-3 (was: 26-3029 floppy disk controller)

Paul T. Barton idezilla at yahoo.com
Tue Jan 17 23:15:00 EST 2006


And here it is: (looks like A13 on pin 26)
Use Courier font.
------------------------------------------

27128
16kx8 EPROM.
Available in 300 and 600 mil packages.

    +--------------+
VPP |1    +--+   28| VCC
A12 |2           27| /PGM
 A7 |3           26| A13
 A6 |4           25| A8
 A5 |5           24| A9
 A4 |6           23| A11
 A3 |7   27128   22| /OE
 A2 |8           21| A10
 A1 |9           20| /CE
 A0 |10          19| D7
 D0 |11          18| D6
 D1 |12          17| D5
 D2 |13          16| D4
GND |14          15| D3
    +--------------+

[This information is part of the GIICM]

---------------------------------------
2764
8kx8 EPROM.
Available in 300 and 600 mil packages.

    +--------------+
VPP |1    +--+   28| VCC
A12 |2           27| /PGM
 A7 |3           26|
 A6 |4           25| A8
 A5 |5           24| A9
 A4 |6           23| A11
 A3 |7    2764   22| /OE
 A2 |8           21| A10
 A1 |9           20| /CE
 A0 |10          19| D7
 D0 |11          18| D6
 D1 |12          17| D5
 D2 |13          16| D4
GND |14          15| D3
    +--------------+

[This information is part of the GIICM]


--- "Bruce W. Calkins" <brucecalkins at bellsouth.net> wrote:

> Yes, BUT, you need to provide one more address line.
> Somewere on-line I
> once read what trace to cut and where to place the jumper.
> With last week's
> hard drive crash, I doubt I can find the page,
> if I did save it.
> 
> Bruce W.

Paul - idezilla



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