PLease ID CD-ROM unit

From: Max Eskin <maxeskin_at_hotmail.com>
Date: Thu May 14 15:32:52 1998

So do you suppose it would be possible to take a shot at figuring
out how the thing works? I have no drivers for it. I could look up
what the 164P is wired to, saturday or monday. Do you think it would
be feasible to develop a driver for it?
>> Hitachi HD74LS32P
>
>Quad 2-input OR gate.
>
>> 367AP
>
>Is that another chip? If so, its a hex 3-state buffer
>
>> 240P
>
>And that's an octal inverting 3-state buffer
>
>> 164P
>
>And a shift register (odd...)
>
>> MB74LS00
>
>Quad 2 input AND gate
>
>> 138
>
>3-8 line decoder.
>
>>
>> TI J549X SN74LS541N
>
>Octal 3-state buffer.
>
>Probably some kind of address decoder (the '138) and buffers. Nothing
too
>unusual (although what the '164 is doing I don't know).
>
>-tony
>
>

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Received on Thu May 14 1998 - 15:32:52 BST

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