28 Mar
2003
28 Mar
'03
7:15 a.m.
On Fri, 28 Mar 2003 12:58:47 -0600, you wrote:
Pic is of the DF32x4 on the workbench. I'll send you a copy
direct.
-Charles
A) What rev M706 card do you have?
Rev. K. That's one reason it took me a while to find, since the
only schematics available seem to be the first revision (A?)
B) Would you write up where you attached your pullups?
Check the schematic, it was on the preset lines to the 7474
containing stop bit 1 and stop bit 2...
Are you using a microprocessor on your DF32x4? FPGAs?
PALs? TTL?
Plain old 74LS and a Dallas Semi DS1258 128kx16 NVRAM.
How are you handling the cabling issue?
Cables :)
(I also laid out a PCB to plug in the backplane and accept a
standard 40 pin IDC header connector). Had five fabricated and
made 3 foot ribbon cables.
Do you have a way to load
the emulated disk devices "out of band"? (i.e., can you get data into
it in any way other than the databreak interface to the -8?)
No, I took the DF32 manual and copied the specs as closely as
possible. The 8/L should "think" it has a real DF32 and three
expansion DS32's attached.
[demime 1.01a removed an attachment of type
image/jpeg which had a name
of mvc-457e.jpg]
What's the picture of?
-ethan