Index: trunk/ippconfig/sdss/camera.config
===================================================================
--- trunk/ippconfig/sdss/camera.config	(revision 15181)
+++ trunk/ippconfig/sdss/camera.config	(revision 15573)
@@ -116,4 +116,7 @@
    PPSTACK.INPUT.MASK INPUT @FILES        FPA	     MASK
    PPSTACK.INPUT.WEIGHT INPUT @FILES      FPA	     WEIGHT
+
+   PPARITH.INPUT.IMAGE INPUT @FILES        CHIP       IMAGE
+   PPARITH.INPUT.MASK  INPUT @FILES        CHIP       MASK
 
    ### output file definitions
@@ -174,4 +177,7 @@
    PPSIM.OUTPUT          OUTPUT {OUTPUT}.fits         IMAGE     NONE      FPA        TRUE      NONE
 
+   PPARITH.OUTPUT.IMAGE  OUTPUT {OUTPUT}.fits         IMAGE     NONE      CHIP       TRUE      NONE
+   PPARITH.OUTPUT.MASK   OUTPUT {OUTPUT}.fits         MASK      NONE      CHIP       TRUE      NONE
+
    LOG.IMFILE            OUTPUT {OUTPUT}.{CHIP.NAME}.log TEXT   NONE      CHIP       TRUE      NONE
    LOG.EXP               OUTPUT {OUTPUT}.log          TEXT      NONE      FPA        TRUE      NONE