diff --git a/iocBoot/iocvxWorks/SIS3820_32.substitutions b/iocBoot/iocvxWorks/SIS3820_32.substitutions
index 35b532b7b3d986893517af584d1a026117f53cbe..d5b85bd299b4f3713d7c46068f64e1a364bc92b5 100644
--- a/iocBoot/iocvxWorks/SIS3820_32.substitutions
+++ b/iocBoot/iocvxWorks/SIS3820_32.substitutions
@@ -15,8 +15,7 @@ pattern
 }
 
 # This database provides the logic for multiple mca records
-#file "$(MCA)/mcaApp/Db/Struck32.db"
-file "$(MCA)/mcaApp/Db/Struck8.db"
+file "$(MCA)/mcaApp/Db/Struck32.db"
 {
 pattern
 {P}
@@ -28,36 +27,36 @@ file "$(MCA)/mcaApp/Db/simple_mca.db"
 {
 pattern
 {P,           M,          DTYP,           INP, PREC, CHANS}
-{xxx:3820:  mca1,  "asynMCA", "@asyn(mcaSIS3820/1 0)",  3,  2000000}
-{xxx:3820:  mca2,  "asynMCA", "@asyn(mcaSIS3820/1 1)",  3,  2000000}
-{xxx:3820:  mca3,  "asynMCA", "@asyn(mcaSIS3820/1 2)",  3, 2048}
-{xxx:3820:  mca4,  "asynMCA", "@asyn(mcaSIS3820/1 3)",  3, 2048}
+{xxx:3820:  mca1,  "asynMCA", "@asyn(mcaSIS3820/1 0)",  3,  2048}
+{xxx:3820:  mca2,  "asynMCA", "@asyn(mcaSIS3820/1 1)",  3,  2048}
+{xxx:3820:  mca3,  "asynMCA", "@asyn(mcaSIS3820/1 2)",  3,  2048}
+{xxx:3820:  mca4,  "asynMCA", "@asyn(mcaSIS3820/1 3)",  3,  2048}
 {xxx:3820:  mca5,  "asynMCA", "@asyn(mcaSIS3820/1 4)",  3,  2048}
 {xxx:3820:  mca6,  "asynMCA", "@asyn(mcaSIS3820/1 5)",  3,  2048}
 {xxx:3820:  mca7,  "asynMCA", "@asyn(mcaSIS3820/1 6)",  3,  2048}
 {xxx:3820:  mca8,  "asynMCA", "@asyn(mcaSIS3820/1 7)",  3,  2048}
-#{xxx:3820:  mca9,  "asynMCA", "@asyn(mcaSIS3820/1 8)",  3,  2048}
-#{xxx:3820:  mca10, "asynMCA", "@asyn(mcaSIS3820/1 9)",  3,  2048}
-#{xxx:3820:  mca11, "asynMCA", "@asyn(mcaSIS3820/1 10)", 3,  2048}
-#{xxx:3820:  mca12, "asynMCA", "@asyn(mcaSIS3820/1 11)", 3,  2048}
-#{xxx:3820:  mca13, "asynMCA", "@asyn(mcaSIS3820/1 12)", 3,  2048}
-#{xxx:3820:  mca14, "asynMCA", "@asyn(mcaSIS3820/1 13)", 3,  2048}
-#{xxx:3820:  mca15, "asynMCA", "@asyn(mcaSIS3820/1 14)", 3,  2048}
-#{xxx:3820:  mca16, "asynMCA", "@asyn(mcaSIS3820/1 15)", 3,  2048}
-#{xxx:3820:  mca17, "asynMCA", "@asyn(mcaSIS3820/1 16)", 3,  2048}
-#{xxx:3820:  mca18, "asynMCA", "@asyn(mcaSIS3820/1 17)", 3,  2048}
-#{xxx:3820:  mca19, "asynMCA", "@asyn(mcaSIS3820/1 18)", 3,  2048}
-#{xxx:3820:  mca20, "asynMCA", "@asyn(mcaSIS3820/1 19)", 3,  2048}
-#{xxx:3820:  mca21, "asynMCA", "@asyn(mcaSIS3820/1 20)", 3,  2048}
-#{xxx:3820:  mca22, "asynMCA", "@asyn(mcaSIS3820/1 21)", 3,  2048}
-#{xxx:3820:  mca23, "asynMCA", "@asyn(mcaSIS3820/1 22)", 3,  2048}
-#{xxx:3820:  mca24, "asynMCA", "@asyn(mcaSIS3820/1 23)", 3,  2048}
-#{xxx:3820:  mca25, "asynMCA", "@asyn(mcaSIS3820/1 24)", 3,  2048}
-#{xxx:3820:  mca26, "asynMCA", "@asyn(mcaSIS3820/1 25)", 3,  2048}
-#{xxx:3820:  mca27, "asynMCA", "@asyn(mcaSIS3820/1 26)", 3,  2048}
-#{xxx:3820:  mca28, "asynMCA", "@asyn(mcaSIS3820/1 27)", 3,  2048}
-#{xxx:3820:  mca29, "asynMCA", "@asyn(mcaSIS3820/1 28)", 3,  2048}
-#{xxx:3820:  mca30, "asynMCA", "@asyn(mcaSIS3820/1 29)", 3,  2048}
-#{xxx:3820:  mca31, "asynMCA", "@asyn(mcaSIS3820/1 30)", 3,  2048}
-#{xxx:3820:  mca32, "asynMCA", "@asyn(mcaSIS3820/1 31)", 3,  2048}
+{xxx:3820:  mca9,  "asynMCA", "@asyn(mcaSIS3820/1 8)",  3,  2048}
+{xxx:3820:  mca10, "asynMCA", "@asyn(mcaSIS3820/1 9)",  3,  2048}
+{xxx:3820:  mca11, "asynMCA", "@asyn(mcaSIS3820/1 10)", 3,  2048}
+{xxx:3820:  mca12, "asynMCA", "@asyn(mcaSIS3820/1 11)", 3,  2048}
+{xxx:3820:  mca13, "asynMCA", "@asyn(mcaSIS3820/1 12)", 3,  2048}
+{xxx:3820:  mca14, "asynMCA", "@asyn(mcaSIS3820/1 13)", 3,  2048}
+{xxx:3820:  mca15, "asynMCA", "@asyn(mcaSIS3820/1 14)", 3,  2048}
+{xxx:3820:  mca16, "asynMCA", "@asyn(mcaSIS3820/1 15)", 3,  2048}
+{xxx:3820:  mca17, "asynMCA", "@asyn(mcaSIS3820/1 16)", 3,  2048}
+{xxx:3820:  mca18, "asynMCA", "@asyn(mcaSIS3820/1 17)", 3,  2048}
+{xxx:3820:  mca19, "asynMCA", "@asyn(mcaSIS3820/1 18)", 3,  2048}
+{xxx:3820:  mca20, "asynMCA", "@asyn(mcaSIS3820/1 19)", 3,  2048}
+{xxx:3820:  mca21, "asynMCA", "@asyn(mcaSIS3820/1 20)", 3,  2048}
+{xxx:3820:  mca22, "asynMCA", "@asyn(mcaSIS3820/1 21)", 3,  2048}
+{xxx:3820:  mca23, "asynMCA", "@asyn(mcaSIS3820/1 22)", 3,  2048}
+{xxx:3820:  mca24, "asynMCA", "@asyn(mcaSIS3820/1 23)", 3,  2048}
+{xxx:3820:  mca25, "asynMCA", "@asyn(mcaSIS3820/1 24)", 3,  2048}
+{xxx:3820:  mca26, "asynMCA", "@asyn(mcaSIS3820/1 25)", 3,  2048}
+{xxx:3820:  mca27, "asynMCA", "@asyn(mcaSIS3820/1 26)", 3,  2048}
+{xxx:3820:  mca28, "asynMCA", "@asyn(mcaSIS3820/1 27)", 3,  2048}
+{xxx:3820:  mca29, "asynMCA", "@asyn(mcaSIS3820/1 28)", 3,  2048}
+{xxx:3820:  mca30, "asynMCA", "@asyn(mcaSIS3820/1 29)", 3,  2048}
+{xxx:3820:  mca31, "asynMCA", "@asyn(mcaSIS3820/1 30)", 3,  2048}
+{xxx:3820:  mca32, "asynMCA", "@asyn(mcaSIS3820/1 31)", 3,  2048}
 }