Opening RL02 disk pack

[Paul Koning]

> On Dec 7, 2018, at 11:11 AM, Paul Birkel via cctalk <cctalk at classiccmp.org> wrote:
> 
> 
> Quoted from "DISK DRIVE CONTROL: THE EARLY YEARS" (Abramovitch & Franklin)
> https://www.researchgate.net/publication/3206778_A_brief_history_of_disk_dri
> ve_control 
> 
> "DEC came out with the 125 TPI RL01 disk drive in 1978,which was the first
> mass
> produced full sectored (embedded) servo drive on the market."
> 
> Sounds to me like it was different, but in a good way?
> 
> paul

A good way, definitely.  Embedded servo enables the vastly higher densities we have today, and also enables the use of all surfaces.  A dedicated servo surface is not a major hit on an RP06 that has 10 platters, but on a one or two platter pack it's way too much overhead.

	paul