Waitaminute - are you saying that you can make a multiple-cpu UVII? I happen to have access to
another KA630 - of course the questions loom: Does NetBSD actually support this? What modifications
are nescessary? What kind of performance increase are we talking about? Would I just put the two
CPUs in slots 1 and 2, the two 8meg boards in 3 and 4, and the memory interconnect across all four?
I do have a BA123, which (I believe) has 4 AB-CD slots...

--
J. Buck Caldwell

               Engineer - Technical Support - Webmaster
Polygon, Inc.         email:buck_c@polygon.com   phone: (314) 432-4142
PO Box 8470            http://www.polygon.com/     fax: (314) 997-9696
St. Louis, MO 63132     ftp://ftp.polygon.com/     bbs: (314) 997-9682


rick@snowhite.cis.uoguelph.ca wrote:

> You can jury rig your own, using the pinout of the J2 connector on the KA630.
>
> J2 Pinout:
> 1-3     grnd
> 4-5     CPU # (0 == Master, 1-3 == Auxiliary CPU #) - this sets a slave #
> 6       grnd
> 7-11    display register bits
> 10      battery backup voltage for TOY clock
> 11      4th display register bit (above should be 7-9 for bits 0-2)
> 12      grnd
> 13-14   boot and diagnostic code
> 15      halt enable
> 16      grnd
> 17-19   console baud rate
> 20      +5 Volts
>
> There are pullup resistors on pins 4-5, 13-15 and 17-19.
>
> Basically setting bits 4 and/or 5 results in a slave. J3 can be connected as
> a serial console port, as follows:
> J3 pin          RS232 pin #
> 3               2
> 7               7
> 8               3
> 2,9             frame grnd
>
> This should give you what you need to make enough of one up to work.