diff --git a/src/avrdude.conf.in b/src/avrdude.conf.in
index 8063e30b..cfe9f663 100644
--- a/src/avrdude.conf.in
+++ b/src/avrdude.conf.in
@@ -163,6 +163,7 @@
 #           size            = <num> ;             # bytes
 #           page_size       = <num> ;             # bytes
 #           num_pages       = <num> ;             # numeric
+#           initval         = <num> ;             # factory setting of fuses and lockbits
 #           n_word_writes   = <num> ;             # TPI only: if set, number of words to write
 #           min_write_delay = <num> ;             # micro-seconds
 #           max_write_delay = <num> ;             # micro-seconds
diff --git a/src/avrpart.c b/src/avrpart.c
index 2a4d9a02..fe08e04f 100644
--- a/src/avrpart.c
+++ b/src/avrpart.c
@@ -329,7 +329,8 @@ static char * bittype(int type)
 AVRMEM *avr_new_memtype(void) {
   AVRMEM *m = (AVRMEM *) cfg_malloc("avr_new_memtype()", sizeof(*m));
   m->desc = cache_string("");
-  m->page_size = 1; // ensure not 0
+  m->page_size = 1;             // Ensure not 0
+  m->initval = -1;              // Unknown value represented as -1
 
   return m;
 }
diff --git a/src/config.c b/src/config.c
index 7bf83095..32bbd9f9 100644
--- a/src/config.c
+++ b/src/config.c
@@ -135,6 +135,7 @@ Component_t avr_comp[] = {
   mem_comp_desc(paged, COMP_BOOL),
   mem_comp_desc(size, COMP_INT),
   mem_comp_desc(num_pages, COMP_INT),
+  mem_comp_desc(initval, COMP_INT),
   mem_comp_desc(n_word_writes, COMP_INT),
   mem_comp_desc(offset, COMP_INT),
   mem_comp_desc(min_write_delay, COMP_INT),
diff --git a/src/developer_opts.c b/src/developer_opts.c
index bd1baef0..13ef7970 100644
--- a/src/developer_opts.c
+++ b/src/developer_opts.c
@@ -803,6 +803,7 @@ static void dev_part_strct(const AVRPART *p, bool tsv, const AVRPART *base, bool
     _if_memout(intcmp, m->size > 8192? "0x%x": "%d", size);
     _if_memout(intcmp, "%d", page_size);
     _if_memout(intcmp, "%d", num_pages);
+    _if_memout(intcmp, m->initval == -1? "%d": "0x%02x", initval);
     _if_memout(intcmp, "%d", n_word_writes);
     _if_memout(intcmp, "0x%x", offset);
     _if_memout(intcmp, "%d", min_write_delay);
diff --git a/src/doc/avrdude.texi b/src/doc/avrdude.texi
index 25818986..89fa23a9 100644
--- a/src/doc/avrdude.texi
+++ b/src/doc/avrdude.texi
@@ -2200,6 +2200,7 @@ part
         size            = <num> ;             # bytes
         page_size       = <num> ;             # bytes
         num_pages       = <num> ;             # numeric
+        initval         = <num> ;             # factory setting of fuses and lockbits
         n_word_writes   = <num> ;             # TPI only: if set, number of words to write
         min_write_delay = <num> ;             # micro-seconds
         max_write_delay = <num> ;             # micro-seconds
diff --git a/src/lexer.l b/src/lexer.l
index 205a0b97..69360995 100644
--- a/src/lexer.l
+++ b/src/lexer.l
@@ -129,7 +129,7 @@ SIGN     [+-]
   chiperasetime | (chiperase|program(fuse|lock))(polltimeout|pulsewidth) | synchcycles | hvspcmdexedelay |
   mcu_base | nvm_base | ocd_base | ocdrev |
   autobaud_sync | idr | rampz | spmcr | eecr | eind |
-  paged | size | num_pages | n_word_writes | offset | min_write_delay | max_write_delay | pwroff_after_write |
+  paged | size | num_pages | initval | n_word_writes | offset | min_write_delay | max_write_delay | pwroff_after_write |
   readback_p1 | readback_p2 | mode | delay | blocksize | readsize ) {
   /* struct components for PROGRAMMER, AVRPART and AVRMEM */
   Component_t *cp = cfg_comp_search(yytext, current_strct);
diff --git a/src/libavrdude.h b/src/libavrdude.h
index 20d27bdb..b72764a7 100644
--- a/src/libavrdude.h
+++ b/src/libavrdude.h
@@ -325,6 +325,7 @@ typedef struct avrmem {
   int size;                   /* total memory size in bytes */
   int page_size;              /* size of memory page (if page addressed) */
   int num_pages;              /* number of pages (if page addressed) */
+  int initval;                /* factory setting of fuses and lock bits */
   int n_word_writes;          /* TPI only: number words to write at a time */
   unsigned int offset;        /* offset in IO memory (ATxmega) */
   int min_write_delay;        /* microseconds */