diff --git a/Module.mk b/Module.mk
index eb6f897..4522190 100644
--- a/Module.mk
+++ b/Module.mk
@@ -78,6 +78,7 @@ imps            += avs avs-ea3
 
 include src/main/aciodrv/Module.mk
 include src/main/acioemu/Module.mk
+include src/main/aciomgr/Module.mk
 include src/main/aciotest/Module.mk
 include src/main/asio/Module.mk
 include src/main/bio2drv/Module.mk
@@ -378,6 +379,7 @@ $(zipdir)/iidx-27.zip: \
 	$(V)zip -j $@ $^
 
 $(zipdir)/iidx-hwio-x86.zip: \
+		build/bin/indep-32/aciomgr.dll \
 		build/bin/indep-32/eamio-icca.dll \
 		build/bin/indep-32/iidxio-bio2.dll \
 		build/bin/indep-32/iidxio-ezusb.dll \
@@ -390,6 +392,7 @@ $(zipdir)/iidx-hwio-x86.zip: \
 	$(V)zip -j $@ $^
 
 $(zipdir)/iidx-hwio-x64.zip: \
+		build/bin/indep-64/aciomgr.dll \
 		build/bin/indep-64/eamio-icca.dll \
 		build/bin/indep-64/iidxio-bio2.dll \
 		build/bin/indep-64/iidxio-ezusb.dll \
@@ -483,6 +486,8 @@ $(zipdir)/sdvx-05-cn.zip: \
 	$(V)zip -j $@ $^
 
 $(zipdir)/sdvx-hwio-x86.zip: \
+		build/bin/indep-32/aciomgr.dll \
+		build/bin/indep-32/eamio-icca.dll \
 		build/bin/indep-32/sdvxio-kfca.dll \
 		build/bin/indep-32/sdvxio-bio2.dll \
 		build/bin/indep-32/vigem-sdvxio.exe \
@@ -491,6 +496,8 @@ $(zipdir)/sdvx-hwio-x86.zip: \
 	$(V)zip -j $@ $^
 
 $(zipdir)/sdvx-hwio-x64.zip: \
+		build/bin/indep-64/aciomgr.dll \
+		build/bin/indep-64/eamio-icca.dll \
 		build/bin/indep-64/sdvxio-kfca.dll \
 		build/bin/indep-64/sdvxio-bio2.dll \
 		build/bin/indep-64/vigem-sdvxio.exe \
diff --git a/src/main/aciodrv/device.c b/src/main/aciodrv/device.c
index 686e98f..650131b 100644
--- a/src/main/aciodrv/device.c
+++ b/src/main/aciodrv/device.c
@@ -291,7 +291,13 @@ static bool aciodrv_device_start_node(struct aciodrv_device_ctx *device, uint8_t
     return true;
 }
 
+// deprecated name
 struct aciodrv_device_ctx *aciodrv_device_open(const char *port_path, int baud)
+{
+    return aciodrv_device_open_path(port_path, baud);
+}
+
+struct aciodrv_device_ctx *aciodrv_device_open_path(const char *port_path, int baud)
 {
     HANDLE port = aciodrv_port_open(port_path, baud);
 
diff --git a/src/main/aciodrv/device.h b/src/main/aciodrv/device.h
index 4e7adb3..ba48b26 100644
--- a/src/main/aciodrv/device.h
+++ b/src/main/aciodrv/device.h
@@ -18,7 +18,13 @@ struct aciodrv_device_ctx;
  * @param baud Baud rate for communication (e.g. 57600 for ICCA)
  * @return opened device context, NULL on error
  */
-struct aciodrv_device_ctx *aciodrv_device_open(const char *port_path, int baud);
+struct aciodrv_device_ctx *aciodrv_device_open(const char *port_path, int baud)
+#ifdef __GNUC__
+__attribute__((deprecated("Use aciomgr instead if device is shareable, else aciodrv_device_open_path")))
+#endif
+;
+
+struct aciodrv_device_ctx *aciodrv_device_open_path(const char *port_path, int baud);
 
 /**
  * Get the node count on the opened device.
diff --git a/src/main/aciomgr/Module.mk b/src/main/aciomgr/Module.mk
new file mode 100644
index 0000000..5bc35f8
--- /dev/null
+++ b/src/main/aciomgr/Module.mk
@@ -0,0 +1,8 @@
+dlls            += aciomgr
+
+libs_aciomgr    := \
+    aciodrv \
+    util \
+
+src_aciomgr     := \
+    manager.c \
diff --git a/src/main/aciomgr/aciomgr.def b/src/main/aciomgr/aciomgr.def
new file mode 100644
index 0000000..06bc21f
--- /dev/null
+++ b/src/main/aciomgr/aciomgr.def
@@ -0,0 +1,12 @@
+LIBRARY aciomgr
+
+EXPORTS
+    aciomgr_set_loggers
+    aciomgr_port_init
+    aciomgr_port_fini
+    aciomgr_get_node_count
+    aciomgr_get_node_product_ident
+    aciomgr_port_submit_packet
+    aciomgr_port_checkout
+    aciomgr_port_checkin
+    DllMain@12 @1 NONAME
diff --git a/src/main/aciomgr/manager.c b/src/main/aciomgr/manager.c
new file mode 100644
index 0000000..3cc022a
--- /dev/null
+++ b/src/main/aciomgr/manager.c
@@ -0,0 +1,201 @@
+#define LOG_MODULE "aciomgr-manager"
+
+#include <windows.h>
+
+#include <stdatomic.h>
+
+#include "manager.h"
+
+#include "aciodrv/device.h"
+#include "util/array.h"
+#include "util/log.h"
+
+#define MAX_PORT_PATH_LENGTH 256
+
+struct aciomgr_port_dispatcher {
+    CRITICAL_SECTION cs;
+    size_t references;
+    struct aciodrv_device_ctx *device;
+    char path[MAX_PORT_PATH_LENGTH];
+    int baud;
+};
+
+static void _aciomgr_setup_port_dispatcher(
+    struct aciomgr_port_dispatcher *dispatcher, const char *path, int baud);
+static void _aciomgr_destroy_port_dispatcher(
+    struct aciomgr_port_dispatcher *dispatcher);
+static void _aciomgr_init();
+static void _aciomgr_fini();
+
+// DLL-globals
+static atomic_bool running;
+static CRITICAL_SECTION mgr_cs;
+static struct array active_ports;
+
+static void _aciomgr_setup_port_dispatcher(
+    struct aciomgr_port_dispatcher *dispatcher, const char *path, int baud)
+{
+    InitializeCriticalSection(&dispatcher->cs);
+
+    strcpy(dispatcher->path, path);
+    dispatcher->baud = baud;
+
+    dispatcher->device = aciodrv_device_open_path(path, baud);
+    dispatcher->references = 0;
+}
+
+static void _aciomgr_destroy_port_dispatcher(
+    struct aciomgr_port_dispatcher *dispatcher)
+{
+    aciodrv_device_close(dispatcher->device);
+    DeleteCriticalSection(&dispatcher->cs);
+}
+
+static void _aciomgr_init()
+{
+    if (running) {
+        // warn
+        _aciomgr_fini();
+    }
+    InitializeCriticalSection(&mgr_cs);
+    array_init(&active_ports);
+
+    running = true;
+}
+
+static void _aciomgr_fini()
+{
+    if (!running) {
+        // warn
+    }
+    running = false;
+    DeleteCriticalSection(&mgr_cs);
+    array_fini(&active_ports);
+}
+
+void aciomgr_set_loggers(
+    log_formatter_t misc,
+    log_formatter_t info,
+    log_formatter_t warning,
+    log_formatter_t fatal)
+{
+    log_to_external(misc, info, warning, fatal);
+}
+
+struct aciomgr_port_dispatcher *aciomgr_port_init(const char *path, int baud)
+{
+    if (!running) {
+        // warn
+        return NULL;
+    }
+
+    if (strlen(path) >= MAX_PORT_PATH_LENGTH) {
+        // warn
+        return NULL;
+    }
+
+
+    struct aciomgr_port_dispatcher* entry;
+
+    EnterCriticalSection(&mgr_cs);
+
+    for (size_t i = 0; i < active_ports.nitems; i++) {
+        entry = array_item(struct aciomgr_port_dispatcher, &active_ports, i);
+
+        if (strcmp(entry->path, path) == 0) {
+            // found
+            if (entry->baud != baud) {
+                log_warning(
+                    "Device at %s opened with baud of %d, but requested %d",
+                    path,
+                    entry->baud,
+                    baud);
+            }
+            goto done;
+        }
+    }
+
+    entry = array_append(struct aciomgr_port_dispatcher, &active_ports);
+    _aciomgr_setup_port_dispatcher(entry, path, baud);
+
+done:
+    entry->references++;
+    LeaveCriticalSection(&mgr_cs);
+
+    return entry;
+}
+
+void aciomgr_port_fini(struct aciomgr_port_dispatcher *dispatcher)
+{
+    if (!running) {
+        // warn
+        return;
+    }
+
+    EnterCriticalSection(&mgr_cs);
+    dispatcher->references--;
+    LeaveCriticalSection(&mgr_cs);
+
+    if (dispatcher->references == 0) {
+        _aciomgr_destroy_port_dispatcher(dispatcher);
+    }
+}
+
+// this function don't require the lock
+uint8_t aciomgr_get_node_count(struct aciomgr_port_dispatcher *dispatcher) {
+    return aciodrv_device_get_node_count(dispatcher->device);
+}
+
+// this function don't require the lock
+bool aciomgr_get_node_product_ident(
+    struct aciomgr_port_dispatcher *dispatcher,
+    uint8_t node_id,
+    char product[4])
+{
+    return aciodrv_device_get_node_product_ident(dispatcher->device, node_id, product);
+}
+
+bool aciomgr_port_submit_packet(
+    struct aciomgr_port_dispatcher *dispatcher,
+    struct ac_io_message *msg,
+    int max_resp_size)
+{
+    // CS's although lightweight, may still be a burden, short circuit
+    if (dispatcher->references > 1) {
+        EnterCriticalSection(&dispatcher->cs);
+        bool response = aciodrv_send_and_recv(dispatcher->device, msg, max_resp_size);
+        LeaveCriticalSection(&dispatcher->cs);
+        return response;
+    }
+
+    return aciodrv_send_and_recv(dispatcher->device, msg, max_resp_size);
+}
+
+struct aciodrv_device_ctx *aciomgr_port_checkout(
+    struct aciomgr_port_dispatcher *dispatcher)
+{
+    if (dispatcher->references > 1) {
+        EnterCriticalSection(&dispatcher->cs);
+    }
+
+    return dispatcher->device;
+}
+
+void aciomgr_port_checkin(struct aciomgr_port_dispatcher *dispatcher) {
+    if (dispatcher->references > 1) {
+        LeaveCriticalSection(&dispatcher->cs);
+    }
+}
+
+BOOL WINAPI DllMain(HMODULE self, DWORD reason, void *ctx)
+{
+    if (reason == DLL_PROCESS_ATTACH) {
+        _aciomgr_init();
+    }
+
+    if (reason == DLL_PROCESS_DETACH) {
+        _aciomgr_fini();
+    }
+
+    return TRUE;
+}
diff --git a/src/main/aciomgr/manager.h b/src/main/aciomgr/manager.h
new file mode 100644
index 0000000..00f52ce
--- /dev/null
+++ b/src/main/aciomgr/manager.h
@@ -0,0 +1,82 @@
+#ifndef ACIOMGR_MANAGER_H
+#define ACIOMGR_MANAGER_H
+
+#include <stdbool.h>
+
+#include "acio/acio.h"
+
+#include "bemanitools/glue.h"
+
+struct aciodrv_device_ctx;
+struct aciomgr_port_dispatcher;
+
+/**
+ * The first function that will be called on your DLL. You will be supplied
+ * with four function pointers that may be used to log messages to the game's
+ * log file. See comments in glue.h for further information.
+ */
+void aciomgr_set_loggers(
+    log_formatter_t misc,
+    log_formatter_t info,
+    log_formatter_t warning,
+    log_formatter_t fatal);
+
+/**
+ * Init and open, or return the existing handle to an acio port
+ *
+ * @param path Port the device is connected to (e.g. "COM1")
+ * @return opened port dispatcher context, NULL on error
+ */
+struct aciomgr_port_dispatcher *aciomgr_port_init(const char *path, int baud);
+
+void aciomgr_port_fini(struct aciomgr_port_dispatcher *dispatcher);
+
+/**
+ * Get the node count on the opened device.
+ *
+ * @param dispatcher dispatcher context from aciomgr_port_init
+ * @return Total num of nodes enumerated on the ACIO device.
+ */
+uint8_t aciomgr_get_node_count(struct aciomgr_port_dispatcher *dispatcher);
+
+/**
+ * Get the product identifier of an enumerated node.
+ *
+ * @param dispatcher dispatcher context from aciomgr_port_init
+ * @param node_id Id of the node. Needs to be in range of the total node count.
+ * @param product Buffer to return the product id to.
+ * @return True on success, false on error. If True the variable product
+ * contains the identifier of the queried node.
+ */
+bool aciomgr_get_node_product_ident(struct aciomgr_port_dispatcher *dispatcher, uint8_t node_id, char product[4]);
+
+/**
+ * Submit and wait for the response of the specified packet
+ *
+ * @param dispatcher dispatcher context from aciomgr_port_init
+ * @param msg pointer to the message buffer to read from / write to
+ * @param max_resp_size pointer to the max size response we expect
+ * @return false on error
+ */
+bool aciomgr_port_submit_packet(
+    struct aciomgr_port_dispatcher *dispatcher,
+    struct ac_io_message *msg,
+    int max_resp_size);
+
+/**
+ * Checkout the device handler for this port dispatcher on this thread
+ *
+ * @param dispatcher dispatcher context from aciomgr_port_init
+ * @return the device context
+ */
+struct aciodrv_device_ctx *aciomgr_port_checkout(
+    struct aciomgr_port_dispatcher *dispatcher);
+
+/**
+ * Checkin the device handler that this thread holds
+ *
+ * @param dispatcher dispatcher context from aciomgr_port_init
+ */
+void aciomgr_port_checkin(struct aciomgr_port_dispatcher *dispatcher);
+
+#endif
\ No newline at end of file
diff --git a/src/main/aciotest/main.c b/src/main/aciotest/main.c
index 9ed271f..010f6f3 100644
--- a/src/main/aciotest/main.c
+++ b/src/main/aciotest/main.c
@@ -71,7 +71,7 @@ int main(int argc, char **argv)
     log_to_writer(log_writer_stdout, NULL);
 
 
-    struct aciodrv_device_ctx *device = aciodrv_device_open(argv[1], atoi(argv[2]));
+    struct aciodrv_device_ctx *device = aciodrv_device_open_path(argv[1], atoi(argv[2]));
 
     if (!device) {
         printf("Opening acio device failed\n");
diff --git a/src/main/bio2drv/bi2a-iidx.c b/src/main/bio2drv/bi2a-iidx.c
index 29713a0..839a16d 100644
--- a/src/main/bio2drv/bi2a-iidx.c
+++ b/src/main/bio2drv/bi2a-iidx.c
@@ -110,7 +110,7 @@ bool bio2drv_bi2a_iidx_poll(
             device,
             &msg,
             offsetof(struct ac_io_message, cmd.raw) + sizeof(*pin))) {
-        log_warning("[%x] Polling of node %d failed", node_id + 1);
+        log_warning("Polling of node %d failed", node_id + 1);
         return false;
     }
 
diff --git a/src/main/eamio-icca/Module.mk b/src/main/eamio-icca/Module.mk
index 1199b2a..3403aa7 100644
--- a/src/main/eamio-icca/Module.mk
+++ b/src/main/eamio-icca/Module.mk
@@ -3,6 +3,7 @@ dlls                 += \
 
 libs_eamio-icca      := \
     aciodrv \
+    aciomgr \
     util \
 
 src_eamio-icca       := \
diff --git a/src/main/eamio-icca/eamio-icca.c b/src/main/eamio-icca/eamio-icca.c
index d14a216..0c073f1 100644
--- a/src/main/eamio-icca/eamio-icca.c
+++ b/src/main/eamio-icca/eamio-icca.c
@@ -8,13 +8,15 @@
 #include <stdint.h>
 #include <stdio.h>
 
-#include "aciodrv/device.h"
+#include "aciomgr/manager.h"
 #include "aciodrv/icca.h"
 
 #include "bemanitools/eamio.h"
 
 #include "util/log.h"
 
+#define NUMBER_OF_EMULATED_READERS 2
+
 static const uint8_t eam_io_keypad_mappings[16] = {EAM_IO_KEYPAD_DECIMAL,
                                                    EAM_IO_KEYPAD_3,
                                                    EAM_IO_KEYPAD_6,
@@ -32,9 +34,11 @@ static const uint8_t eam_io_keypad_mappings[16] = {EAM_IO_KEYPAD_DECIMAL,
                                                    EAM_IO_KEYPAD_5,
                                                    EAM_IO_KEYPAD_8};
 
-static struct ac_io_icca_state eam_io_icca_state[2];
+static struct ac_io_icca_state eam_io_icca_state[NUMBER_OF_EMULATED_READERS];
 
-static struct aciodrv_device_ctx *acio_device_ctx;
+static struct aciomgr_port_dispatcher *acio_manager_ctx;
+
+static int32_t icca_node_id[NUMBER_OF_EMULATED_READERS];
 
 void eam_io_set_loggers(
     log_formatter_t misc,
@@ -42,32 +46,83 @@ void eam_io_set_loggers(
     log_formatter_t warning,
     log_formatter_t fatal)
 {
+    /* Pass logger functions on to aciomgr so that it has somewhere to write
+       its own log output. */
+    aciomgr_set_loggers(misc, info, warning, fatal);
+
     log_to_external(misc, info, warning, fatal);
 }
 
+static bool check_if_icca(int node_id) {
+    char product[4];
+    aciomgr_get_node_product_ident(acio_manager_ctx, node_id, product);
+
+    if (!memcmp(product, "ICCA", 4)) {
+        return true;
+    }
+    if (!memcmp(product, "ICCB", 4)) {
+        return true;
+    }
+    if (!memcmp(product, "ICCC", 4)) {
+        return true;
+    }
+
+    return false;
+}
+
 bool eam_io_init(
     thread_create_t create, thread_join_t join, thread_destroy_t destroy)
 {
-    acio_device_ctx = aciodrv_device_open("COM1", 57600);
+    acio_manager_ctx = aciomgr_port_init("COM1", 57600);
 
-    if (acio_device_ctx == NULL) {
+    if (acio_manager_ctx == NULL) {
         log_warning("Opening acio device on COM1 failed");
         return false;
     }
 
-    for (uint8_t i = 0; i < 2; i++) {
-        if (!aciodrv_icca_init(acio_device_ctx, i)) {
-            log_warning("Initializing icca %d failed", i);
-            return false;
+    struct aciodrv_device_ctx *device = aciomgr_port_checkout(acio_manager_ctx);
+    for (uint8_t i = 0; i < NUMBER_OF_EMULATED_READERS; i++) {
+        icca_node_id[i] = -1;
+
+        for (uint8_t nid = 0; nid < aciomgr_get_node_count(acio_manager_ctx); ++nid) {
+            if (check_if_icca(nid)) {
+                bool existing_reader = false;
+                for (uint8_t j = 0; j < i; j++) {
+                    if (nid == icca_node_id[j]) {
+                        existing_reader = true;
+                        break;
+                    }
+                }
+
+                if (existing_reader) {
+                    continue;
+                }
+
+                icca_node_id[i] = nid;
+
+                if (!aciodrv_icca_init(device, icca_node_id[i])) {
+                    log_warning("Initializing icca %d failed", i);
+
+                    // if we have at least 1 valid reader, don't fail
+                    // (ex: for games that expect only 1 reader)
+                    if (i > 0) {
+                        aciomgr_port_checkin(acio_manager_ctx);
+                        return false;
+                    }
+                }
+
+                break;
+            }
         }
     }
 
+    aciomgr_port_checkin(acio_manager_ctx);
     return true;
 }
 
 void eam_io_fini(void)
 {
-    aciodrv_device_close(acio_device_ctx);
+    aciomgr_port_fini(acio_manager_ctx);
 }
 
 uint16_t eam_io_get_keypad_state(uint8_t unit_no)
@@ -113,35 +168,54 @@ uint8_t eam_io_read_card(uint8_t unit_no, uint8_t *card_id, uint8_t nbytes)
 
 bool eam_io_card_slot_cmd(uint8_t unit_no, uint8_t cmd)
 {
+    // this node is not setup, just return "success""
+    if (icca_node_id[unit_no] == -1) {
+        return true;
+    }
+
+    struct aciodrv_device_ctx *device = aciomgr_port_checkout(acio_manager_ctx);
+
+    bool response = false;
     switch (cmd) {
         case EAM_IO_CARD_SLOT_CMD_CLOSE:
-            return aciodrv_icca_set_state(
-                acio_device_ctx, unit_no, AC_IO_ICCA_SLOT_STATE_CLOSE, NULL);
+            response = aciodrv_icca_set_state(
+                device, unit_no, AC_IO_ICCA_SLOT_STATE_CLOSE, NULL);
 
         case EAM_IO_CARD_SLOT_CMD_OPEN:
-            return aciodrv_icca_set_state(
-                acio_device_ctx, unit_no, AC_IO_ICCA_SLOT_STATE_OPEN, NULL);
+            response = aciodrv_icca_set_state(
+                device, unit_no, AC_IO_ICCA_SLOT_STATE_OPEN, NULL);
 
         case EAM_IO_CARD_SLOT_CMD_EJECT:
-            return aciodrv_icca_set_state(
-                acio_device_ctx, unit_no, AC_IO_ICCA_SLOT_STATE_EJECT, NULL);
+            response = aciodrv_icca_set_state(
+                device, unit_no, AC_IO_ICCA_SLOT_STATE_EJECT, NULL);
 
         case EAM_IO_CARD_SLOT_CMD_READ:
-            return aciodrv_icca_read_card(acio_device_ctx, unit_no, NULL) &&
+            response = aciodrv_icca_read_card(device, unit_no, NULL) &&
                 aciodrv_icca_get_state(
-                    acio_device_ctx, unit_no, &eam_io_icca_state[unit_no]);
+                    device, unit_no, &eam_io_icca_state[unit_no]);
 
         default:
             break;
     }
+    aciomgr_port_checkin(acio_manager_ctx);
 
-    return false;
+    return response;
 }
 
 bool eam_io_poll(uint8_t unit_no)
 {
-    return aciodrv_icca_get_state(
-        acio_device_ctx, unit_no, &eam_io_icca_state[unit_no]);
+    // this node is not setup, just return "success""
+    if (icca_node_id[unit_no] == -1) {
+        return true;
+    }
+
+    bool response = aciodrv_icca_get_state(
+        aciomgr_port_checkout(acio_manager_ctx),
+        unit_no,
+        &eam_io_icca_state[unit_no]);
+    aciomgr_port_checkin(acio_manager_ctx);
+
+    return response;
 }
 
 const struct eam_io_config_api *eam_io_get_config_api(void)
diff --git a/src/main/iidxio-bio2/iidxio.c b/src/main/iidxio-bio2/iidxio.c
index 189b763..6014c17 100644
--- a/src/main/iidxio-bio2/iidxio.c
+++ b/src/main/iidxio-bio2/iidxio.c
@@ -116,7 +116,8 @@ bool iidx_io_init(
         }
     }
 
-    bio2_device_ctx = aciodrv_device_open(selected_port, config_bio2.baud);
+    // BIO2's cannot share a bus with anything else, so use device directly
+    bio2_device_ctx = aciodrv_device_open_path(selected_port, config_bio2.baud);
 
     if (bio2_device_ctx == NULL) {
         log_info("Opening BIO2 device on [%s] failed", selected_port);
diff --git a/src/main/sdvxio-bio2/sdvxio.c b/src/main/sdvxio-bio2/sdvxio.c
index 4207e8a..5d3de59 100644
--- a/src/main/sdvxio-bio2/sdvxio.c
+++ b/src/main/sdvxio-bio2/sdvxio.c
@@ -101,7 +101,8 @@ bool sdvx_io_init(
         }
     }
 
-    bio2_device_ctx = aciodrv_device_open(selected_port, config_bio2.baud);
+    // BIO2's cannot share a bus with anything else, so use device directly
+    bio2_device_ctx = aciodrv_device_open_path(selected_port, config_bio2.baud);
 
     if (bio2_device_ctx == NULL) {
         log_info("Opening BIO2 device on [%s] failed", selected_port);
diff --git a/src/main/sdvxio-kfca/Module.mk b/src/main/sdvxio-kfca/Module.mk
index 257d071..cb10b22 100644
--- a/src/main/sdvxio-kfca/Module.mk
+++ b/src/main/sdvxio-kfca/Module.mk
@@ -3,6 +3,7 @@ dlls += sdvxio-kfca
 libs_sdvxio-kfca := \
     geninput \
     aciodrv \
+    aciomgr \
     cconfig \
     util \
 
diff --git a/src/main/sdvxio-kfca/sdvxio.c b/src/main/sdvxio-kfca/sdvxio.c
index 0d06737..4ae1af5 100644
--- a/src/main/sdvxio-kfca/sdvxio.c
+++ b/src/main/sdvxio-kfca/sdvxio.c
@@ -9,7 +9,7 @@
 
 #include "cconfig/cconfig-main.h"
 
-#include "aciodrv/device.h"
+#include "aciomgr/manager.h"
 #include "aciodrv/kfca.h"
 
 #include "sdvxio-kfca/config-kfca.h"
@@ -37,7 +37,7 @@ static int16_t kfca_node_id;
 struct ac_io_kfca_poll_out pout_staging;
 struct ac_io_kfca_poll_out pout_ready;
 
-static struct aciodrv_device_ctx *acio_device_ctx;
+static struct aciomgr_port_dispatcher *acio_manager_ctx;
 
 void sdvx_io_set_loggers(
     log_formatter_t misc,
@@ -45,6 +45,10 @@ void sdvx_io_set_loggers(
     log_formatter_t warning,
     log_formatter_t fatal)
 {
+    /* Pass logger functions on to aciomgr so that it has somewhere to write
+       its own log output. */
+    aciomgr_set_loggers(misc, info, warning, fatal);
+
     sdvx_io_log_misc = misc;
     sdvx_io_log_info = info;
     sdvx_io_log_warning = warning;
@@ -80,23 +84,23 @@ bool sdvx_io_init(
 
     cconfig_finit(config);
 
-    acio_device_ctx = aciodrv_device_open(config_kfca.port, config_kfca.baud);
+    acio_manager_ctx = aciomgr_port_init(config_kfca.port, config_kfca.baud);
 
-    if (acio_device_ctx == NULL) {
+    if (acio_manager_ctx == NULL) {
         log_info("Opening acio device on [%s] failed", config_kfca.port);
         return 0;
     }
 
     log_info("Opening acio device successful");
 
-    uint8_t node_count = aciodrv_device_get_node_count(acio_device_ctx);
+    uint8_t node_count = aciomgr_get_node_count(acio_manager_ctx);
     log_info("Enumerated %d nodes", node_count);
 
     kfca_node_id = -1;
 
     for (uint8_t i = 0; i < node_count; i++) {
         char product[4];
-        aciodrv_device_get_node_product_ident(acio_device_ctx, i, product);
+        aciomgr_get_node_product_ident(acio_manager_ctx, i, product);
         log_info(
             "> %d: %c%c%c%c\n",
             i,
@@ -116,7 +120,12 @@ bool sdvx_io_init(
     if (kfca_node_id != -1) {
         log_warning("Using KFCA on node: %d", kfca_node_id);
 
-        if (!aciodrv_kfca_init(acio_device_ctx, kfca_node_id)) {
+        bool init_result = aciodrv_kfca_init(
+            aciomgr_port_checkout(acio_manager_ctx),
+            kfca_node_id);
+        aciomgr_port_checkin(acio_manager_ctx);
+
+        if (!init_result) {
             log_warning("Unable to start KFCA on node: %d", kfca_node_id);
             return false;
         }
@@ -167,7 +176,14 @@ bool sdvx_io_read_input(void)
     }
     processing_io = true;
 
-    if (!aciodrv_kfca_poll(acio_device_ctx, kfca_node_id, &pout_ready, &pin)) {
+    bool poll_result = aciodrv_kfca_poll(
+        aciomgr_port_checkout(acio_manager_ctx),
+        kfca_node_id,
+        &pout_ready,
+        &pin);
+    aciomgr_port_checkin(acio_manager_ctx);
+
+    if (!poll_result) {
         return false;
     }
 
@@ -221,10 +237,13 @@ bool sdvx_io_set_amp_volume(
         return false;
     }
 
-    if (!aciodrv_kfca_amp(
-            acio_device_ctx,
-            kfca_node_id,
-            primary, 96, headphone, subwoofer)) {
+    bool amp_result = aciodrv_kfca_amp(
+        aciomgr_port_checkout(acio_manager_ctx),
+        kfca_node_id,
+        primary, 96, headphone, subwoofer);
+    aciomgr_port_checkin(acio_manager_ctx);
+
+    if (!amp_result) {
         return false;
     }