On Oct 24, 2015, at 14:22, Al Kossow <aek at
bitsavers.org> wrote:
On 10/24/15 11:40 AM, tony duell wrote:
Most likely those ICs are head switch/preamp
devices and the servo head
preamplifier. They are very likely to be custom.
Silicon Systems was a common supplier in the 80s to mid-90s, which is why their
Storage Products data books have been scanned.
Just thought I'd mention that my first "real" job was at Silicon Systems.
Started as an applications engineer for motor drivers, then moved into chip design for
interface controllers. I don't think I have any old databooks any more. Glad to hear
that they're being preserved.
--
Mark J. Blair, NF6X <nf6x at nf6x.net>