ide harddrive

From: ajp166 <ajp166_at_bellatlantic.net>
Date: Wed Mar 28 20:46:41 2001

From: Richard Erlacher <edick_at_idcomm.com>

>I'd be VERY interested in seeing that schematic, Tony! I've no doubt
that it
>can be done, but I wonder how fast it will be.


The commercial ones are at least several mb/sec using drives designed for
DMA33. Only took a minute or less to transfer a set of 28 .CAB files
(w95).

The device driver runs as a SCSI device under W9x or NT4.

Allison

>----- Original Message -----
>From: "Tony Duell" <ard_at_p850ug1.demon.co.uk>
>To: <classiccmp_at_classiccmp.org>
>Sent: Wednesday, March 28, 2001 11:01 AM
>Subject: Re: ide harddrive
>
>
>> >
>> > Evening folks, I am looking for a circuit using the parallel port on
a
>> > pc to Ide interface, does anyone have a schematic for one?
>>
>> Somewhere I have an data sheet for a chip to convert a parallel port
into
>> an ISA slot. No, I don't mean a chip for adding a printer port to the
ISA
>> bus (like the 82C11 does), I mean a chip that connects to a parallel
port
>> (either 'original' or one of the enhanced bidirectional ports), and to
>> some DRAM, and which allows you to connect anything that you'd
normally
>> connect to ISA on the other side of it. It allows you to read/write
any
>> port or memory location from the parallel port side, it allows the ISA
>> device to do DMA into the memory hung off the chip (which can then be
>> read/written from the parellel port), and so on.
>>
>> I think it was made by SMC, but don't quote me on that.
>>
>> It looked like a fun device to work with, but I don't know where on
earth
>> you'd find one.
>>
>> If anyone is interested, I will try and find the data sheet and post
the
>> number of the device.
>>
>> -tony
>>
>>
>
Received on Wed Mar 28 2001 - 20:46:41 BST