Re: CBM Drive Mechanisms

From: Ethan Dicks (
Date: 1999-08-09 20:24:27

--- Marko_Mäkelä <> wrote:
> On Mon, 9 Aug 1999, Ethan Dicks wrote:
> > D9060     Tandon  TM-602S (5.0Mb)
> > D9090     Tandon  TM-603S (7.5Mb)
> Are you sure about the capacities?  I assume that with "b" you mean "B"
> (byte), not bit. 

Well, yes.  Sorry for the formatting.

> But I thought that third digit in the model number would
> refer to the capacity in megabytes.  Converting the figures given by you
> from real megabytes (2^10 bytes) to disk manufacturers' fake megabytes
> (10^6 bytes) does not yield that much capacity, only 5.2*10^6 bytes and
> 7.7*10^6 bytes, respectively.

It appears to be the number of platters - 4 heads vs 6 heads.

> BTW, if your address is going to change, please let also
> know about it: send it a message with
> "unsubscribe cbm-hackers" and "subscribe cbm-hackers
> new.address@somewhere" in its body.

I'm including that in my .sig because at some as-yet-unannounced time, it will
change.  I want the humans who know me to get used to using a new address.  I
have been "" since 1993, when they were founded.  I'm most
annoyed that they are changing.  Once the domain name reverts, I'm dropping my
service from them.


Infinet has been sold.  The domain is going away.  Please
send all replies to
Do You Yahoo!?
Bid and sell for free at

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