diff --git a/examples/asymcute_mqttsn/Makefile.ci b/examples/asymcute_mqttsn/Makefile.ci
index a1a5099191..c0e80fe3bf 100644
--- a/examples/asymcute_mqttsn/Makefile.ci
+++ b/examples/asymcute_mqttsn/Makefile.ci
@@ -12,6 +12,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     hifive1 \
     hifive1b \
     i-nucleo-lrwan1 \
+    im880b \
     mega-xplained \
     microbit \
     microduino-corerf \
diff --git a/examples/cord_ep/Makefile.ci b/examples/cord_ep/Makefile.ci
index 5adc90e10d..4f5b594b69 100644
--- a/examples/cord_ep/Makefile.ci
+++ b/examples/cord_ep/Makefile.ci
@@ -11,6 +11,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     hifive1 \
     hifive1b \
     i-nucleo-lrwan1 \
+    im880b \
     mega-xplained \
     microduino-corerf \
     msb-430 \
diff --git a/examples/dtls-echo/Makefile.ci b/examples/dtls-echo/Makefile.ci
index cda0c2e68d..062f2e7541 100644
--- a/examples/dtls-echo/Makefile.ci
+++ b/examples/dtls-echo/Makefile.ci
@@ -9,6 +9,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     hifive1 \
     hifive1b \
     i-nucleo-lrwan1 \
+    im880b \
     lsn50 \
     maple-mini \
     microbit \
diff --git a/examples/dtls-sock/Makefile.ci b/examples/dtls-sock/Makefile.ci
index 75573636fe..e531fcf862 100644
--- a/examples/dtls-sock/Makefile.ci
+++ b/examples/dtls-sock/Makefile.ci
@@ -11,6 +11,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     hifive1 \
     hifive1b \
     i-nucleo-lrwan1 \
+    im880b \
     lsn50 \
     maple-mini \
     microbit \
diff --git a/examples/dtls-wolfssl/Makefile.ci b/examples/dtls-wolfssl/Makefile.ci
index 71398f8df4..896c314641 100644
--- a/examples/dtls-wolfssl/Makefile.ci
+++ b/examples/dtls-wolfssl/Makefile.ci
@@ -8,6 +8,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     cc2650stk \
     hifive1 \
     i-nucleo-lrwan1 \
+    im880b \
     maple-mini \
     microbit \
     nrf51dongle \
diff --git a/examples/emcute_mqttsn/Makefile.ci b/examples/emcute_mqttsn/Makefile.ci
index 18d45e911f..6323005cdf 100644
--- a/examples/emcute_mqttsn/Makefile.ci
+++ b/examples/emcute_mqttsn/Makefile.ci
@@ -11,6 +11,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     hifive1 \
     hifive1b \
     i-nucleo-lrwan1 \
+    im880b \
     mega-xplained \
     microduino-corerf \
     msb-430 \
diff --git a/examples/gnrc_border_router/Makefile.ci b/examples/gnrc_border_router/Makefile.ci
index a96fcdda50..2e0aabdc29 100644
--- a/examples/gnrc_border_router/Makefile.ci
+++ b/examples/gnrc_border_router/Makefile.ci
@@ -19,6 +19,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     hifive1 \
     hifive1b \
     i-nucleo-lrwan1 \
+    im880b \
     lsn50 \
     maple-mini \
     mega-xplained \
diff --git a/examples/gnrc_networking/Makefile.ci b/examples/gnrc_networking/Makefile.ci
index 472acf24e9..75b6d41b8b 100644
--- a/examples/gnrc_networking/Makefile.ci
+++ b/examples/gnrc_networking/Makefile.ci
@@ -14,6 +14,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     hifive1 \
     hifive1b \
     i-nucleo-lrwan1 \
+    im880b \
     mega-xplained \
     microbit \
     microduino-corerf \
diff --git a/examples/javascript/Makefile.ci b/examples/javascript/Makefile.ci
index 8fa3b05aec..0627cf494f 100644
--- a/examples/javascript/Makefile.ci
+++ b/examples/javascript/Makefile.ci
@@ -11,6 +11,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     hifive1 \
     hifive1b \
     i-nucleo-lrwan1 \
+    im880b \
     lobaro-lorabox \
     lsn50 \
     maple-mini \
diff --git a/examples/lua_REPL/Makefile.ci b/examples/lua_REPL/Makefile.ci
index b3a72976f6..2a3de49e95 100644
--- a/examples/lua_REPL/Makefile.ci
+++ b/examples/lua_REPL/Makefile.ci
@@ -23,6 +23,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     hamilton \
     i-nucleo-lrwan1 \
     ikea-tradfri \
+    im880b \
     limifrog-v1 \
     lobaro-lorabox \
     lsn50 \
diff --git a/examples/lua_basic/Makefile.ci b/examples/lua_basic/Makefile.ci
index 6e78e4a095..bd964f60fc 100644
--- a/examples/lua_basic/Makefile.ci
+++ b/examples/lua_basic/Makefile.ci
@@ -7,6 +7,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     cc2650-launchpad \
     cc2650stk \
     i-nucleo-lrwan1 \
+    im880b \
     lobaro-lorabox \
     maple-mini \
     microbit \
diff --git a/examples/posix_sockets/Makefile.ci b/examples/posix_sockets/Makefile.ci
index e2c27f949e..5758fc8600 100644
--- a/examples/posix_sockets/Makefile.ci
+++ b/examples/posix_sockets/Makefile.ci
@@ -10,6 +10,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     chronos \
     derfmega128 \
     i-nucleo-lrwan1 \
+    im880b \
     mega-xplained \
     microduino-corerf \
     msb-430 \
diff --git a/examples/wakaama/Makefile.ci b/examples/wakaama/Makefile.ci
index 9e135b3c43..b8e1a7835a 100644
--- a/examples/wakaama/Makefile.ci
+++ b/examples/wakaama/Makefile.ci
@@ -9,6 +9,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     hifive1 \
     hifive1b \
     i-nucleo-lrwan1 \
+    im880b \
     lsn50 \
     maple-mini \
     microbit \
@@ -16,12 +17,11 @@ BOARD_INSUFFICIENT_MEMORY := \
     nrf6310 \
     nucleo-f030r8 \
     nucleo-f031k6 \
-    nucleo-f302r8 \
-    nucleo-f303k8 \
     nucleo-f042k6 \
     nucleo-f070rb \
     nucleo-f072rb \
     nucleo-f302r8 \
+    nucleo-f303k8 \
     nucleo-f334r8 \
     nucleo-l031k6 \
     nucleo-l053r8 \
diff --git a/tests/bench_xtimer/Makefile.ci b/tests/bench_xtimer/Makefile.ci
index 5e9aed896e..5041b642e0 100644
--- a/tests/bench_xtimer/Makefile.ci
+++ b/tests/bench_xtimer/Makefile.ci
@@ -1,3 +1,4 @@
 BOARD_INSUFFICIENT_MEMORY := \
+    im880b \
     olimexino-stm32 \
     #
diff --git a/tests/conn_can/Makefile.ci b/tests/conn_can/Makefile.ci
index a4e4b8bf00..f37aceb242 100644
--- a/tests/conn_can/Makefile.ci
+++ b/tests/conn_can/Makefile.ci
@@ -11,6 +11,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     hifive1 \
     hifive1b \
     i-nucleo-lrwan1 \
+    im880b \
     microbit \
     msb-430 \
     msb-430h \
diff --git a/tests/driver_cc110x/Makefile.ci b/tests/driver_cc110x/Makefile.ci
index 7ae78ecbc0..b2adf250cc 100644
--- a/tests/driver_cc110x/Makefile.ci
+++ b/tests/driver_cc110x/Makefile.ci
@@ -12,6 +12,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     hifive1 \
     hifive1b \
     i-nucleo-lrwan1 \
+    im880b \
     mega-xplained \
     microduino-corerf \
     nucleo-f031k6 \
diff --git a/tests/emcute/Makefile.ci b/tests/emcute/Makefile.ci
index 01583a2b37..4ce17f892e 100644
--- a/tests/emcute/Makefile.ci
+++ b/tests/emcute/Makefile.ci
@@ -20,6 +20,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     hifive1 \
     hifive1b \
     i-nucleo-lrwan1 \
+    im880b \
     lsn50 \
     maple-mini \
     mega-xplained \
diff --git a/tests/gnrc_dhcpv6_client/Makefile.ci b/tests/gnrc_dhcpv6_client/Makefile.ci
index cf493050f1..1200a95c52 100644
--- a/tests/gnrc_dhcpv6_client/Makefile.ci
+++ b/tests/gnrc_dhcpv6_client/Makefile.ci
@@ -10,6 +10,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     hifive1 \
     hifive1b \
     i-nucleo-lrwan1 \
+    im880b \
     mega-xplained \
     microduino-corerf \
     msb-430 \
diff --git a/tests/gnrc_dhcpv6_client_6lbr/Makefile.ci b/tests/gnrc_dhcpv6_client_6lbr/Makefile.ci
index 4fa408da27..45dbc236af 100644
--- a/tests/gnrc_dhcpv6_client_6lbr/Makefile.ci
+++ b/tests/gnrc_dhcpv6_client_6lbr/Makefile.ci
@@ -19,6 +19,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     hifive1 \
     hifive1b \
     i-nucleo-lrwan1 \
+    im880b \
     lsn50 \
     maple-mini \
     mega-xplained \
diff --git a/tests/gnrc_ipv6_ext/Makefile.ci b/tests/gnrc_ipv6_ext/Makefile.ci
index cfb3bd7583..8cecc43560 100644
--- a/tests/gnrc_ipv6_ext/Makefile.ci
+++ b/tests/gnrc_ipv6_ext/Makefile.ci
@@ -9,6 +9,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     derfmega128 \
     hifive1 \
     hifive1b \
+    im880b \
     i-nucleo-lrwan1 \
     mega-xplained \
     microduino-corerf \
diff --git a/tests/gnrc_ipv6_ext_frag/Makefile.ci b/tests/gnrc_ipv6_ext_frag/Makefile.ci
index 4ee3e390b8..af7665a9ca 100644
--- a/tests/gnrc_ipv6_ext_frag/Makefile.ci
+++ b/tests/gnrc_ipv6_ext_frag/Makefile.ci
@@ -12,6 +12,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     hifive1 \
     hifive1b \
     i-nucleo-lrwan1 \
+    im880b \
     mega-xplained \
     microduino-corerf \
     msb-430 \
diff --git a/tests/gnrc_netif/Makefile.ci b/tests/gnrc_netif/Makefile.ci
index a00e1b2698..71b0fec138 100644
--- a/tests/gnrc_netif/Makefile.ci
+++ b/tests/gnrc_netif/Makefile.ci
@@ -20,6 +20,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     hifive1 \
     hifive1b \
     i-nucleo-lrwan1 \
+    im880b \
     lsn50 \
     maple-mini \
     mega-xplained \
diff --git a/tests/gnrc_rpl_srh/Makefile.ci b/tests/gnrc_rpl_srh/Makefile.ci
index cfb3bd7583..03303ad3be 100644
--- a/tests/gnrc_rpl_srh/Makefile.ci
+++ b/tests/gnrc_rpl_srh/Makefile.ci
@@ -10,6 +10,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     hifive1 \
     hifive1b \
     i-nucleo-lrwan1 \
+    im880b \
     mega-xplained \
     microduino-corerf \
     msb-430 \
diff --git a/tests/gnrc_sixlowpan/Makefile.ci b/tests/gnrc_sixlowpan/Makefile.ci
index 4e5621c29e..4cb07f4ca1 100644
--- a/tests/gnrc_sixlowpan/Makefile.ci
+++ b/tests/gnrc_sixlowpan/Makefile.ci
@@ -9,6 +9,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     hifive1 \
     hifive1b \
     i-nucleo-lrwan1 \
+    im880b \
     msb-430 \
     msb-430h \
     nucleo-f030r8 \
diff --git a/tests/gnrc_tcp/Makefile.ci b/tests/gnrc_tcp/Makefile.ci
index cf493050f1..1200a95c52 100644
--- a/tests/gnrc_tcp/Makefile.ci
+++ b/tests/gnrc_tcp/Makefile.ci
@@ -10,6 +10,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     hifive1 \
     hifive1b \
     i-nucleo-lrwan1 \
+    im880b \
     mega-xplained \
     microduino-corerf \
     msb-430 \
diff --git a/tests/gnrc_udp/Makefile.ci b/tests/gnrc_udp/Makefile.ci
index 6032603035..6fa52d6a33 100644
--- a/tests/gnrc_udp/Makefile.ci
+++ b/tests/gnrc_udp/Makefile.ci
@@ -13,6 +13,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     hifive1 \
     hifive1b \
     i-nucleo-lrwan1 \
+    im880b \
     mega-xplained \
     microbit \
     microduino-corerf \
diff --git a/tests/pkg_utensor/Makefile.ci b/tests/pkg_utensor/Makefile.ci
index 7d9b27dcdb..30aa323439 100644
--- a/tests/pkg_utensor/Makefile.ci
+++ b/tests/pkg_utensor/Makefile.ci
@@ -4,9 +4,10 @@ BOARD_INSUFFICIENT_MEMORY := \
     bluepill \
     bluepill-128kib \
     calliope-mini \
-    cc2650stk \
     cc2650-launchpad \
+    cc2650stk \
     i-nucleo-lrwan1 \
+    im880b \
     lobaro-lorabox \
     maple-mini \
     microbit \
diff --git a/tests/pthread_cooperation/Makefile.ci b/tests/pthread_cooperation/Makefile.ci
index 9b19fcc10d..e258f0b7b7 100644
--- a/tests/pthread_cooperation/Makefile.ci
+++ b/tests/pthread_cooperation/Makefile.ci
@@ -10,6 +10,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     derfmega256 \
     hifive1 \
     hifive1b \
+    im880b \
     i-nucleo-lrwan1 \
     mega-xplained \
     microduino-corerf \
diff --git a/tests/unittests/Makefile.ci b/tests/unittests/Makefile.ci
index e280cbe03d..8c569f1e92 100644
--- a/tests/unittests/Makefile.ci
+++ b/tests/unittests/Makefile.ci
@@ -33,6 +33,7 @@ BOARD_INSUFFICIENT_MEMORY := \
     hifive1b \
     i-nucleo-lrwan1 \
     ikea-tradfri \
+    im880b \
     limifrog-v1 \
     lobaro-lorabox \
     lsn50 \