diff --git a/asm/MetroidPrime/CMemoryCardDriver.s b/asm/MetroidPrime/CMemoryCardDriver.s
index 73c223d7..90c142fb 100644
--- a/asm/MetroidPrime/CMemoryCardDriver.s
+++ b/asm/MetroidPrime/CMemoryCardDriver.s
@@ -3178,8 +3178,8 @@ ClearFileInfo__17CMemoryCardDriverFv:
 /* 8024EC10 0024BB70  38 21 00 10 */	addi r1, r1, 0x10
 /* 8024EC14 0024BB74  4E 80 00 20 */	blr
 
-.global __ct__17CMemoryCardDriverFv
-__ct__17CMemoryCardDriverFv:
+.global __ct__17CMemoryCardDriverF9ECardSlotUiUiUib
+__ct__17CMemoryCardDriverF9ECardSlotUiUiUib:
 /* 8024EC18 0024BB78  94 21 FF 30 */	stwu r1, -0xd0(r1)
 /* 8024EC1C 0024BB7C  7C 08 02 A6 */	mflr r0
 /* 8024EC20 0024BB80  39 20 00 00 */	li r9, 0
@@ -3686,4 +3686,3 @@ lbl_803D47DB:
 	.4byte 0x3F3F2900
 	.asciz "%02d.%02d.%02d  %02d:%02d"
 	.balign 4
-
diff --git a/asm/MetroidPrime/CSaveGameScreen.s b/asm/MetroidPrime/CSaveGameScreen.s
index 82f14fe5..2fa7f7e6 100644
--- a/asm/MetroidPrime/CSaveGameScreen.s
+++ b/asm/MetroidPrime/CSaveGameScreen.s
@@ -1384,7 +1384,7 @@ ConstructCardDriver__15CSaveGameScreen:
 /* 80250354 0024D2B4  7F 88 E3 78 */	mr r8, r28
 /* 80250358 0024D2B8  80 FE 00 04 */	lwz r7, 4(r30)
 /* 8025035C 0024D2BC  38 80 00 00 */	li r4, 0
-/* 80250360 0024D2C0  4B FF E8 B9 */	bl __ct__17CMemoryCardDriverFv
+/* 80250360 0024D2C0  4B FF E8 B9 */	bl __ct__17CMemoryCardDriverF9ECardSlotUiUiUib
 /* 80250364 0024D2C4  7C 7D 1B 78 */	mr r29, r3
 lbl_80250368:
 /* 80250368 0024D2C8  80 01 00 24 */	lwz r0, 0x24(r1)
diff --git a/include/MetroidPrime/CMemoryCardDriver.hpp b/include/MetroidPrime/CMemoryCardDriver.hpp
index 108276fc..ae27a410 100644
--- a/include/MetroidPrime/CMemoryCardDriver.hpp
+++ b/include/MetroidPrime/CMemoryCardDriver.hpp
@@ -7,9 +7,34 @@
 
 #include "rstl/auto_ptr.hpp"
 #include "rstl/pair.hpp"
+#include "rstl/reserved_vector.hpp"
 #include "rstl/single_ptr.hpp"
 #include "rstl/vector.hpp"
 
+struct SMemoryCardFileInfo {
+  CMemoryCardSys::CardFileHandle x0_fileInfo;
+
+  rstl::string x14_name;
+  rstl::vector< u8 > x24_saveFileData;
+  rstl::vector< u8 > x34_saveData;
+  
+  SMemoryCardFileInfo(int cardPort, const rstl::string& name);
+  SMemoryCardFileInfo(const SMemoryCardFileInfo& other)
+  : x0_fileInfo(other.x0_fileInfo)
+  , x14_name(other.x14_name)
+  , x24_saveFileData(other.x24_saveFileData)
+  , x34_saveData(other.x34_saveData)
+  {}
+
+  ECardResult Open();
+  ECardResult Close();
+  int GetFileCardPort() const { return x0_fileInfo.slot; }
+  int GetFileNo() const { return x0_fileInfo.getFileNo(); }
+  ECardResult StartRead();
+  ECardResult TryFileRead();
+  ECardResult FileRead();
+  ECardResult GetSaveDataOffset(u32& offOut) const;
+};
 
 class CMemoryCardDriver {
 public:
@@ -66,26 +91,9 @@ public:
     kE_FileMissing,
     kE_FileCorrupted
   };
+  enum EFileState { kFS_Unknown, kFS_NoFile, kFS_File, kFS_BadFile };
 
 private:
-  struct SFileInfo {
-    CMemoryCardSys::CardFileHandle x0_fileInfo;
-
-    rstl::string x14_name;
-    rstl::vector< u8 > x24_saveFileData;
-    rstl::vector< u8 > x34_saveData;
-    // SFileInfo(kabufuda::ECardSlot cardPort, std::string_view name);
-
-    ECardResult Open();
-    ECardResult Close();
-    ECardSlot GetFileCardPort() const { return x0_fileInfo.slot; }
-    int GetFileNo() const { return x0_fileInfo.getFileNo(); }
-    ECardResult StartRead();
-    ECardResult TryFileRead();
-    ECardResult FileRead();
-    ECardResult GetSaveDataOffset(u32& offOut) const;
-  };
-
   struct SGameFileSlot {
     u8 x0_saveBuffer[940];
     CGameState::GameFileStateInfo x944_fileInfo;
@@ -97,7 +105,6 @@ private:
     // void DoPut(CMemoryStreamOut& w) const { w.Put(x0_saveBuffer.data(), x0_saveBuffer.size()); }
   };
 
-  enum EFileState { kFS_Unknown, kFS_NoFile, kFS_File, kFS_BadFile };
 
   ECardSlot x0_cardPort;
   CAssetId x4_saveBanner;
@@ -105,13 +112,13 @@ private:
   CAssetId xc_saveIcon1;
   EState x10_state;
   EError x14_error;
-  s32 x18_cardFreeBytes;
-  s32 x1c_cardFreeFiles;
-  u32 x20_fileTime;
+  int x18_cardFreeBytes;
+  int x1c_cardFreeFiles;
+  uint x20_fileTime;
   u64 x28_cardSerial;
-  u8 x30_systemData[174];
-  rstl::auto_ptr< SGameFileSlot > xe4_fileSlots[3];
-  rstl::vector< rstl::pair< EFileState, SFileInfo > > x100_mcFileInfos;
+  rstl::reserved_vector< u8, 174 > x30_systemData;
+  rstl::reserved_vector< rstl::auto_ptr< SGameFileSlot >, 3 > xe4_fileSlots;
+  rstl::reserved_vector< rstl::pair< EFileState, SMemoryCardFileInfo >, 2 > x100_mcFileInfos;
   u32 x194_fileIdx;
   rstl::single_ptr< CMemoryCardSys::CCardFileInfo > x198_fileInfo;
   bool x19c_;
@@ -120,7 +127,8 @@ private:
 public:
   static bool IsCardBusy(EState);
   static bool IsCardWriting(EState);
-  CMemoryCardDriver();
+  CMemoryCardDriver(ECardSlot cardPort, CAssetId saveBanner, CAssetId saveIcon0, CAssetId saveIcon1,
+                    bool importPersistent);
   void ClearFileInfo();
   ~CMemoryCardDriver();
   void Update();
diff --git a/include/rstl/auto_ptr.hpp b/include/rstl/auto_ptr.hpp
index 198a3cd6..d3a70ddd 100644
--- a/include/rstl/auto_ptr.hpp
+++ b/include/rstl/auto_ptr.hpp
@@ -18,9 +18,9 @@ public:
     }
   }
   // TODO check
-  // auto_ptr(const auto_ptr& other) : x0_has(other.x0_has), x4_item(other.x4_item) {
-  //   other.x0_has = false;
-  // }
+  auto_ptr(const auto_ptr& other) : x0_has(other.x0_has), x4_item(other.x4_item) {
+    other.x0_has = false;
+  }
   // TODO check
   auto_ptr& operator=(const auto_ptr& other) {
     if (this != &other) {
@@ -29,7 +29,7 @@ public:
       }
       x0_has = other.x0_has;
       x4_item = other.x4_item;
-      const_cast< auto_ptr& >(other).x0_has = false;
+      other.x0_has = false;
     }
     return *this;
   }
diff --git a/include/rstl/pair.hpp b/include/rstl/pair.hpp
index ddfda070..44187ff2 100644
--- a/include/rstl/pair.hpp
+++ b/include/rstl/pair.hpp
@@ -10,6 +10,12 @@ public:
   inline pair() {}
   inline pair(const L& first, const R& second) : first(first), second(second) {}
 
+  inline pair& operator=(const pair& other) {
+    first = other.first;
+    second = other.second;
+    return *this;
+  }
+
   L first;
   R second;
 };
diff --git a/src/MetroidPrime/CMemoryCardDriver.cpp b/src/MetroidPrime/CMemoryCardDriver.cpp
index 622ebe31..291b9c6d 100644
--- a/src/MetroidPrime/CMemoryCardDriver.cpp
+++ b/src/MetroidPrime/CMemoryCardDriver.cpp
@@ -4,7 +4,36 @@ bool CMemoryCardDriver::IsCardBusy(EState) { return false; }
 
 bool CMemoryCardDriver::IsCardWriting(EState) { return false; }
 
-CMemoryCardDriver::CMemoryCardDriver() {}
+CMemoryCardDriver::CMemoryCardDriver(ECardSlot cardPort, CAssetId saveBanner, CAssetId saveIcon0, CAssetId saveIcon1,
+                    bool importPersistent)
+  : x0_cardPort(cardPort)
+  , x4_saveBanner(saveBanner)
+  , x8_saveIcon0(saveIcon0)
+  , xc_saveIcon1(saveIcon1)
+  , x10_state(kS_Initial)
+  , x14_error(kE_OK)
+  , x18_cardFreeBytes(0)
+  , x1c_cardFreeFiles(0)
+  , x20_fileTime(0)
+  , x28_cardSerial(0)
+
+  , x30_systemData(0)
+  , xe4_fileSlots(nullptr)
+  , x100_mcFileInfos()
+  , x194_fileIdx(-1)
+  , x198_fileInfo(nullptr)
+  , x19c_(false)
+  , x19d_importPersistent(importPersistent)
+{
+  x100_mcFileInfos.push_back(rstl::pair< EFileState, SMemoryCardFileInfo >(
+    kFS_Unknown,
+    SMemoryCardFileInfo(x0_cardPort, rstl::string_l("MetroidPrime A"))
+  ));
+  x100_mcFileInfos.push_back(rstl::pair< EFileState, SMemoryCardFileInfo >(
+    kFS_Unknown,
+    SMemoryCardFileInfo(x0_cardPort, rstl::string_l("MetroidPrime B"))
+  ));
+}
 
 void CMemoryCardDriver::ClearFileInfo() {}