diff --git a/cfg/atarixl.cfg b/cfg/atarixl.cfg
index 975d16213..cbd31bfe6 100644
--- a/cfg/atarixl.cfg
+++ b/cfg/atarixl.cfg
@@ -1,29 +1,67 @@
 FEATURES {
     STARTADDRESS: default = $2E00;
 }
+
 SYMBOLS {
     __STACKSIZE__:       type = weak, value = $0800; # 2k stack
     __RESERVED_MEMORY__: type = weak, value = $0000;
+    syschk:              type = import;  # force inclusion of SYSCHK
+    sramprep:            type = import;  # force inclusion of SRPREP
 }
+
 MEMORY {
-    ZP:      file = "", define = yes, start = $0082, size = $007E;
-    HEADER:  file = %O,               start = $0000, size = $0006;
-    RAM:     file = %O,               start = %S,    size = $BC20 - __STACKSIZE__ - %S;
-    TRAILER: file = %O,               start = $0000, size = $0006;
+    ZP:         file = "", define = yes, start = $0082,                  size = $007E;
+
+# just $FFFF
+    HEADER:     file = %O,               start = $0000,                  size = $0002;
+
+# "system check" load chunk
+    SYSCHKHDR:  file = %O,               start = $0000,                  size = $0004;
+    SYSCHK:     file = %O,               start = $2E00,                  size = $0E00;
+
+# "shadow RAM preparation" load chunk
+    SRPREPHDR:  file = %O,               start = $0000,                  size = $0004;
+    SRPREP:     file = %O,               start = %S,                     size = $7C20 - %S - $04FF;  # $04FF: space for temp. chargen buffer, page aligned
+    SRPREPTRL:  file = %O,               start = $0000,                  size = $0006;
+
+# "main program" load chunk
+    MAINHDR:    file = %O,               start = $0000,                  size = $0004;
+    RAM:        file = %O,               start = %S + __SAVEAREA_SIZE__, size = $D000 - __STACKSIZE__ - %S - __SAVEAREA_SIZE__;
+
+# address of relocated character generator
+    CHARGEN:    file = "", define = yes, start = $D800, size = $0400;
+
+# memory beneath the ROM
+    SHADOW_RAM: file = "", define = yes, start = $DC00, size = $FFF0 - $DC00;
+
+# defines entry point into program
+    TRAILER:    file = %O,               start = $0000, size = $0006;
 }
+
 SEGMENTS {
-    EXEHDR:   load = HEADER,  type = ro;
-    STARTUP:  load = RAM,     type = ro,  define = yes;
-    LOWCODE:  load = RAM,     type = ro,  define = yes, optional = yes;
-    INIT:     load = RAM,     type = ro,                optional = yes;
-    CODE:     load = RAM,     type = ro,  define = yes;
-    RODATA:   load = RAM,     type = ro;
-    DATA:     load = RAM,     type = rw;
-    ZPSAVE:   load = RAM,     type = bss, define = yes;
-    BSS:      load = RAM,     type = bss, define = yes;
-    ZEROPAGE: load = ZP,      type = zp;
-    EXTZP:    load = ZP,      type = zp,                optional = yes;
-    AUTOSTRT: load = TRAILER, type = ro;
+    EXEHDR:     load = HEADER,                   type = ro;
+
+    SYSCHKHDR:  load = SYSCHKHDR,                type = ro,                optional = yes;
+    SYSCHK:     load = SYSCHK,                   type = rw,  define = yes, optional = yes;
+
+    SRPREPHDR:  load = SRPREPHDR,                type = ro;
+    SAVEAREA:   load = SRPREP,                   type = bss, define = yes;  # shared btw. SRPREP and RAM
+    SRPREP:     load = SRPREP,                   type = rw,  define = yes;
+    SHADOW_RAM: load = SRPREP, run = SHADOW_RAM, type = rw,  define = yes, optional = yes;
+    SRPREPTRL:  load = SRPREPTRL,                type = ro;
+
+    MAINHDR:    load = MAINHDR,                  type = ro;
+    STARTUP:    load = RAM,                      type = ro,  define = yes;
+    LOWCODE:    load = RAM,                      type = ro,  define = yes, optional = yes;
+    INIT:       load = RAM,                      type = ro,                optional = yes;
+    CODE:       load = RAM,                      type = ro,  define = yes;
+    RODATA:     load = RAM,                      type = ro;
+    DATA:       load = RAM,                      type = rw;
+    ZPSAVE:     load = RAM,                      type = bss, define = yes;
+    BSS:        load = RAM,                      type = bss, define = yes;
+    ZEROPAGE:   load = ZP,                       type = zp;
+    EXTZP:      load = ZP,                       type = zp,                optional = yes;
+    AUTOSTRT:   load = TRAILER,                  type = ro;
 }
 FEATURES {
     CONDES: type    = constructor,