The Last of The Line

[Johnny Billquist]

Pete Turnbull <pete at dunnington.plus.com> skrev:

On 20/05/2007 03:22, Jerome H. Fine wrote:
 >> > I have also read that the MSV11-JD and MSV11-JE boards should NEVER
 >> > be used together.  Can anyone else confirm or deny this?
 >
 > No reason not to, except that you'd end up with an unusual amount of
 > memory (3Mbytes).  It certainly won't hurt anything, though of course
 > you would need to set the start address of the lower board to the
 > correct value.  It's settable to any 16KB (8KW) boundary.

What do you mean "unusual amount"? I've been running one 11/83 like that 
for the last two years until today actually, when I upgraded to 4 megs. :-)

I used to run my 11/84 like that as well. Currently it's shut down. 
Haven't had time to organize my computer room after I moved, so it just 
sits there...

 >> > I suspect that 3 * MSV11-JD boards may be used in a BA123 box with 4
 >> > ABCD slots, but since I don't have any MSV11-JD boards, let alone 3
 >> > of them, I can't verify this.
 >
 > I don't recall ever trying *that*, but it too would work, so long as you
 > set the start address of each board correctly, and again you'd end up
 > with 3Mbytes, which is an unusual amount.  The manual just says you can
 > use "one or more MSV11-J memory modules", without mentioning size or
 > maximum number.

3 megs "unusual"? Hah! ;-)

	Johnny

-- 
Johnny Billquist                  || "I'm on a bus
                                   ||  on a psychedelic trip
email: bqt at softjar.se             ||  Reading murder books
pdp is alive!                     ||  tryin' to stay hip" - B. Idol