fix csm84vacuum link

[web/gag.com] / pcb / csm84 / index.mdwn

diff --git a/pcb/csm84/index.mdwn b/pcb/csm84/index.mdwn
index b4f1246393021057fb2277d942af44ca6be4dc62..8c7a628ae3efc5b5ca9cc30401eaf012680cbdbc 100644 (file)
--- a/pcb/csm84/index.mdwn
+++ b/pcb/csm84/index.mdwn
@@ -29,7 +29,9 @@ heavy use of 0402 passive components, and fine-pitch integrated circuits.
   computer using SCSI-1, and is based on an Intel 8031 with external EPROM.
   Bdale hopes to reverse-engineer the protocol in use over this bus and use
   a simple SCSI-1 interface on the control computer to interface with this
-  working board, so that it doesn't need to be replaced.
+  working board, so that it doesn't need to be replaced.  This would also
+  allow us to leave almost all of the system wiring harness, all of which
+  is working, in place.
 
 * The existing analog servo amplifiers are fairly tightly coupled to the 
   control computer's electronics.  Since the CSM84 came with some DC servo
@@ -62,8 +64,8 @@ heavy use of 0402 passive components, and fine-pitch integrated circuits.
   signal.  OpenPnP would rather have simple analog vacuum sensors on each 
   nozzle, readable by one of the system's control interfaces, then implement
   the thresholds in software.  That that end, Bdale designed a [replacement
-  vacuum board](https://git.gag.com/hw/csm84vacuum) that uses 3 NXP 4115
-  series analog output vacuum sensors, intended to be attached to three of
-  the "thermistor" inputs on the Smoothieboard that also provides axis servo
-  control.
+  vacuum board](https://git.gag.com/?p=hw/csm84vacuum;a=summary) that uses 
+  3 NXP 4115 series analog output vacuum sensors, intended to be attached to 
+  three of the "thermistor" inputs on the Smoothieboard that also provides 
+  axis servo control.