From cc3d33ac9b4b73b03efb5774512822ac5c9ca1a1 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Sat, 18 Jul 1998 15:34:03 +0000 Subject: Added information on the MC68681. --- c/src/lib/libbsp/powerpc/dmv177/cable.doc | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) (limited to 'c') diff --git a/c/src/lib/libbsp/powerpc/dmv177/cable.doc b/c/src/lib/libbsp/powerpc/dmv177/cable.doc index 21215d3ad5..1c958d696a 100644 --- a/c/src/lib/libbsp/powerpc/dmv177/cable.doc +++ b/c/src/lib/libbsp/powerpc/dmv177/cable.doc @@ -12,6 +12,18 @@ cables which were plugged into DB-25 or DB-9 adapters wired as described. Matching the colors of the wires in the shell is the easiest way to make sure the cable is built properly. +The board is configured as follows: + + - An MC68681 is the first two serial ports. These are RS-232 and may + be accessed via the front panel or the P2. The front panel connector + has both A and B serial ports on a single connector. DY-4 part number + "OBYC3ASSY901132-000 Rev-" brings these ports out to two DB-25 + female connectors. + + - The MC68681 serial ports are also accessible on the P2 connector. + DY-4 part number "OBYC3ASSY901080-004 Rev A" brings these out + to DB-9 female connectors. These were not used in this effort. + References ========== @@ -19,8 +31,6 @@ References - http://ahmed.egypt.com/electronics/serial - DY-4 Documentation - - Front Panel RS-232 Connection to a PC ===================================== -- cgit v1.2.3