PCs that support only one floppy drive in hardware

[Allison]

>
>Subject: Re: PCs that support only one floppy drive in hardware
>   From: ard at p850ug1.demon.co.uk (Tony Duell)
>   Date: Wed, 12 Oct 2005 17:18:42 +0100 (BST)
>     To: cctalk at classiccmp.org
>
>> I'm sitting here looking at a TEAC FD-55GFR 5.25" floppy drive with a 
>> TEAC-branded SCSI daughterboard mounted on it.  Picked this thing up for a 
>> buck at a flea market and don't know much about it.  Anyone else familiar 
>> with it?  I'm not even sure if this is a HD drive.
>
>The _drive_ is HD, I am not sure what the controller can do, though. The 
>suffix letters of Teac drive numbers seem to indicate the specs as 
>follows : 
>
>A : 40 cylinder single-sided
>B : 40 cyclinder double sided
>C : 77 cylinder single sided (??? I have never seen this)
>D : 77 cylinder double sided (??? or this)
>E : 80 cylinder single sided
>F : 80 cylinder double sided

300 rpm only

>G : 80 cylinder double sided, 360RPM, high density (1.2M for PCs)

Does both 300 and 360. (can replace the E and F with correct jumpers).

>H : 80 cylinder double sided, 300RPM, high density (1.44M for PCs)

 Never seen an FD55H.


Allison