Re: Multibus arbiter design

2015-07-20 Thread N0body H0me
-Original Message- From: space...@gmail.com Sent: Sun, 19 Jul 2015 21:14:45 -0600 To: cctalk@classiccmp.org Subject: Re: Multibus arbiter design On Sun, Jul 19, 2015 at 4:01 PM, N0body H0me n0body.h...@inbox.com wrote: A quick search on the Site Which Must Not Be Named shows

Re: Multibus arbiter design

2015-07-19 Thread Al Kossow
SUN I or II board? On 7/18/15 10:50 PM, Eric Smith wrote: Is anyone aware of any published detailed designs of Multibus arbitration circuitry

Re: Multibus arbiter design

2015-07-19 Thread Eric Smith
On Sun, Jul 19, 2015 at 4:01 PM, N0body H0me n0body.h...@inbox.com wrote: A quick search on the Site Which Must Not Be Named shows some NOS 8289's for about $7 each, including postage. I dunno, just sayin-- why re-invent the wheel? 1. The 8289, being bipolar, draws an absurd amount of