diff --git a/hw/xfree86/int10/generic.c b/hw/xfree86/int10/generic.c
index 994085493..beb90b580 100644
--- a/hw/xfree86/int10/generic.c
+++ b/hw/xfree86/int10/generic.c
@@ -297,7 +297,7 @@ MapVRam(xf86Int10InfoPtr pInt)
     INTPriv(pInt)->vRam = xf86MapDomainMemory(pInt->scrnIndex, VIDMEM_MMIO,
 					      pInt->dev, V_RAM, size);
 
-    pInt->ioBase = xf86Screens[pInt->scrnIndex]->domainIOBase;
+    pInt->io = pci_legacy_open_io(pInt->dev, 0, 64 * 1024);
 }
 
 static void
@@ -308,6 +308,9 @@ UnmapVRam(xf86Int10InfoPtr pInt)
     int size = ((VRAM_SIZE + pagesize - 1)/pagesize) * pagesize;
 
     xf86UnMapVidMem(screen, INTPriv(pInt)->vRam, size);
+
+    pci_device_close_io(pInt->dev, pInt->io);
+    pInt->io = NULL;
 }
 
 Bool
diff --git a/hw/xfree86/int10/helper_exec.c b/hw/xfree86/int10/helper_exec.c
index 44d8a7fcd..8b52e882a 100644
--- a/hw/xfree86/int10/helper_exec.c
+++ b/hw/xfree86/int10/helper_exec.c
@@ -331,7 +331,7 @@ x_inb(CARD16 port)
 	}
 #endif /* __NOT_YET__ */
     } else if (!pciCfg1inb(port, &val)) {
-	val = inb(Int10Current->ioBase + port);
+	val = pci_io_read8(Int10Current->io, port);
 	if (PRINT_PORT && DEBUG_IO_TRACE())
 	    ErrorF(" inb(%#x) = %2.2x\n", port, val);
     }
@@ -353,7 +353,7 @@ x_inw(CARD16 port)
 	X_GETTIMEOFDAY(&tv);
 	val = (CARD16)(tv.tv_usec / 3);
     } else if (!pciCfg1inw(port, &val)) {
-	val = inw(Int10Current->ioBase + port);
+	val = pci_io_read16(Int10Current->io, port);
 	if (PRINT_PORT && DEBUG_IO_TRACE())
 	    ErrorF(" inw(%#x) = %4.4x\n", port, val);
     }
@@ -387,7 +387,7 @@ x_outb(CARD16 port, CARD8 val)
     } else if (!pciCfg1outb(port, val)) {
 	if (PRINT_PORT && DEBUG_IO_TRACE())
 	    ErrorF(" outb(%#x, %2.2x)\n", port, val);
-	outb(Int10Current->ioBase + port, val);
+	pci_io_write8(Int10Current->io, port, val);
     }
 }
 
@@ -398,7 +398,7 @@ x_outw(CARD16 port, CARD16 val)
     if (!pciCfg1outw(port, val)) {
 	if (PRINT_PORT && DEBUG_IO_TRACE())
 	    ErrorF(" outw(%#x, %4.4x)\n", port, val);
-	outw(Int10Current->ioBase + port, val);
+	pci_io_write16(Int10Current->io, port, val);
     }
 }
 
@@ -408,7 +408,7 @@ x_inl(CARD16 port)
     CARD32 val;
 
     if (!pciCfg1in(port, &val)) {
-	val = inl(Int10Current->ioBase + port);
+	val = pci_io_read32(Int10Current->io, port);
 	if (PRINT_PORT && DEBUG_IO_TRACE())
 	    ErrorF(" inl(%#x) = %8.8" PRIx32 "\n", port, val);
     }
@@ -421,7 +421,7 @@ x_outl(CARD16 port, CARD32 val)
     if (!pciCfg1out(port, val)) {
 	if (PRINT_PORT && DEBUG_IO_TRACE())
 	    ErrorF(" outl(%#x, %8.8" PRIx32 ")\n", port, val);
-	outl(Int10Current->ioBase + port, val);
+	pci_io_write32(Int10Current->io, port, val);
     }
 }
 
@@ -650,29 +650,29 @@ bios_checksum(const CARD8 *start, int size)
 void
 LockLegacyVGA(xf86Int10InfoPtr pInt, legacyVGAPtr vga)
 {
-    vga->save_msr    = inb(pInt->ioBase + 0x03CC);
-    vga->save_vse    = inb(pInt->ioBase + 0x03C3);
+    vga->save_msr    = pci_io_read8(pInt->io, 0x03CC);
+    vga->save_vse    = pci_io_read8(pInt->io, 0x03C3);
 #ifndef __ia64__
-    vga->save_46e8   = inb(pInt->ioBase + 0x46E8);
+    vga->save_46e8   = pci_io_read8(pInt->io, 0x46E8);
 #endif
-    vga->save_pos102 = inb(pInt->ioBase + 0x0102);
-    outb(pInt->ioBase + 0x03C2, ~(CARD8)0x03 & vga->save_msr);
-    outb(pInt->ioBase + 0x03C3, ~(CARD8)0x01 & vga->save_vse);
+    vga->save_pos102 = pci_io_read8(pInt->io, 0x0102);
+    pci_io_write8(pInt->io, 0x03C2, ~(CARD8)0x03 & vga->save_msr);
+    pci_io_write8(pInt->io, 0x03C3, ~(CARD8)0x01 & vga->save_vse);
 #ifndef __ia64__
-    outb(pInt->ioBase + 0x46E8, ~(CARD8)0x08 & vga->save_46e8);
+    pci_io_write8(pInt->io, 0x46E8, ~(CARD8)0x08 & vga->save_46e8);
 #endif
-    outb(pInt->ioBase + 0x0102, ~(CARD8)0x01 & vga->save_pos102);
+    pci_io_write8(pInt->io, 0x0102, ~(CARD8)0x01 & vga->save_pos102);
 }
 
 void
 UnlockLegacyVGA(xf86Int10InfoPtr pInt, legacyVGAPtr vga)
 {
-    outb(pInt->ioBase + 0x0102, vga->save_pos102);
+    pci_io_write8(pInt->io, 0x0102, vga->save_pos102);
 #ifndef __ia64__
-    outb(pInt->ioBase + 0x46E8, vga->save_46e8);
+    pci_io_write8(pInt->io, 0x46E8, vga->save_46e8);
 #endif
-    outb(pInt->ioBase + 0x03C3, vga->save_vse);
-    outb(pInt->ioBase + 0x03C2, vga->save_msr);
+    pci_io_write8(pInt->io, 0x03C3, vga->save_vse);
+    pci_io_write8(pInt->io, 0x03C2, vga->save_msr);
 }
 
 #if defined (_PC)
diff --git a/hw/xfree86/int10/xf86int10.c b/hw/xfree86/int10/xf86int10.c
index 51eb91fbb..dd00e5465 100644
--- a/hw/xfree86/int10/xf86int10.c
+++ b/hw/xfree86/int10/xf86int10.c
@@ -84,7 +84,7 @@ int42_handler(xf86Int10InfoPtr pInt)
 	/* Leave:  Nothing                                    */
 	/* Implemented (except for clearing the screen)       */
 	{                                         /* Localise */
-	    IOADDRESS ioport;
+	    unsigned int ioport;
 	    int i;
 	    CARD16 int1d, regvals, tmp;
 	    CARD8 mode, cgamode, cgacolour;
@@ -172,18 +172,15 @@ int42_handler(xf86Int10InfoPtr pInt)
 	    /* Rows */
 	    MEM_WB(pInt, 0x0484, (25 - 1));
 
-	    /* Remap I/O port number into its domain */
-	    ioport += pInt->ioBase;
-
-	    /* Programme the mode */
-	    outb(ioport + 4, cgamode & 0x37);   /* Turn off screen */
+	    /* Program the mode */
+	    pci_io_write8(pInt->io, ioport + 4, cgamode & 0x37);   /* Turn off screen */
 	    for (i = 0; i < 0x10; i++) {
 		tmp = MEM_RB(pInt, regvals + i);
-		outb(ioport, i);
-		outb(ioport + 1, tmp);
+		pci_io_write8(pInt->io, ioport, i);
+		pci_io_write8(pInt->io, ioport + 1, tmp);
 	    }
-	    outb(ioport + 5, cgacolour);        /* Select colour mode */
-	    outb(ioport + 4, cgamode);          /* Turn on screen */
+	    pci_io_write8(pInt->io, ioport + 5, cgacolour);        /* Select colour mode */
+	    pci_io_write8(pInt->io, ioport + 4, cgamode);          /* Turn on screen */
 	}
 	break;
 
@@ -194,15 +191,15 @@ int42_handler(xf86Int10InfoPtr pInt)
 	/* Leave:  Nothing                                    */
 	/* Implemented                                        */
 	{                                         /* Localise */
-	    IOADDRESS ioport = MEM_RW(pInt, 0x0463) + pInt->ioBase;
+	    unsigned int ioport = MEM_RW(pInt, 0x0463);
 
 	    MEM_WB(pInt, 0x0460, X86_CL);
 	    MEM_WB(pInt, 0x0461, X86_CH);
 
-	    outb(ioport, 0x0A);
-	    outb(ioport + 1, X86_CH);
-	    outb(ioport, 0x0B);
-	    outb(ioport + 1, X86_CL);
+	    pci_io_write8(pInt->io, ioport, 0x0A);
+	    pci_io_write8(pInt->io, ioport + 1, X86_CH);
+	    pci_io_write8(pInt->io, ioport, 0x0B);
+	    pci_io_write8(pInt->io, ioport + 1, X86_CL);
 	}
 	break;
 
@@ -214,7 +211,7 @@ int42_handler(xf86Int10InfoPtr pInt)
 	/* Leave:  Nothing                                    */
 	/* Implemented                                        */
 	{                                         /* Localise */
-	    IOADDRESS ioport;
+	    unsigned int ioport;
 	    CARD16 offset;
 
 	    MEM_WB(pInt, (X86_BH << 1) + 0x0450, X86_DL);
@@ -226,11 +223,11 @@ int42_handler(xf86Int10InfoPtr pInt)
 	    offset = (X86_DH * MEM_RW(pInt, 0x044A)) + X86_DL;
 	    offset += MEM_RW(pInt, 0x044E) << 1;
 
-	    ioport = MEM_RW(pInt, 0x0463) + pInt->ioBase;
-	    outb(ioport, 0x0E);
-	    outb(ioport + 1, offset >> 8);
-	    outb(ioport, 0x0F);
-	    outb(ioport + 1, offset & 0xFF);
+	    ioport = MEM_RW(pInt, 0x0463);
+	    pci_io_write8(pInt->io, ioport, 0x0E);
+	    pci_io_write8(pInt->io, ioport + 1, offset >> 8);
+	    pci_io_write8(pInt->io, ioport, 0x0F);
+	    pci_io_write8(pInt->io, ioport + 1, offset & 0xFF);
 	}
 	break;
 
@@ -276,7 +273,7 @@ int42_handler(xf86Int10InfoPtr pInt)
 	/* Leave:  Nothing                                    */
 	/* Implemented                                        */
 	{                                         /* Localise */
-	    IOADDRESS ioport = MEM_RW(pInt, 0x0463) + pInt->ioBase;
+	    unsigned int ioport = MEM_RW(pInt, 0x0463);
 	    CARD16 start;
 	    CARD8 x, y;
 
@@ -287,10 +284,10 @@ int42_handler(xf86Int10InfoPtr pInt)
 	    start <<= 1;
 
 	    /* Update start address */
-	    outb(ioport, 0x0C);
-	    outb(ioport + 1, start >> 8);
-	    outb(ioport, 0x0D);
-	    outb(ioport + 1, start & 0xFF);
+	    pci_io_write8(pInt->io, ioport, 0x0C);
+	    pci_io_write8(pInt->io, ioport + 1, start >> 8);
+	    pci_io_write8(pInt->io, ioport, 0x0D);
+	    pci_io_write8(pInt->io, ioport + 1, start & 0xFF);
 
 	    /* Switch cursor position */
 	    y = MEM_RB(pInt, (X86_AL << 1) + 0x0450);
@@ -298,10 +295,10 @@ int42_handler(xf86Int10InfoPtr pInt)
 	    start += (y * MEM_RW(pInt, 0x044A)) + x;
 
 	    /* Update cursor position */
-	    outb(ioport, 0x0E);
-	    outb(ioport + 1, start >> 8);
-	    outb(ioport, 0x0F);
-	    outb(ioport + 1, start & 0xFF);
+	    pci_io_write8(pInt->io, ioport, 0x0E);
+	    pci_io_write8(pInt->io, ioport + 1, start >> 8);
+	    pci_io_write8(pInt->io, ioport, 0x0F);
+	    pci_io_write8(pInt->io, ioport + 1, start & 0xFF);
 	}
 	break;
 
@@ -426,7 +423,7 @@ int42_handler(xf86Int10InfoPtr pInt)
 	/* Leave:  Nothing                                    */
 	/* Implemented                                        */
 	{                                         /* Localise */
-	    IOADDRESS ioport = MEM_RW(pInt, 0x0463) + 5 + pInt->ioBase;
+	    unsigned int ioport = MEM_RW(pInt, 0x0463) + 5;
 	    CARD8 cgacolour = MEM_RB(pInt, 0x0466);
 
 	    if (X86_BH) {
@@ -438,7 +435,7 @@ int42_handler(xf86Int10InfoPtr pInt)
 	    }
 
 	    MEM_WB(pInt, 0x0466, cgacolour);
-	    outb(ioport, cgacolour);
+	    pci_io_write8(pInt->io, ioport, cgacolour);
 	}
 	break;
 
diff --git a/hw/xfree86/int10/xf86int10.h b/hw/xfree86/int10/xf86int10.h
index ba9ee5276..5bf326e78 100644
--- a/hw/xfree86/int10/xf86int10.h
+++ b/hw/xfree86/int10/xf86int10.h
@@ -41,7 +41,7 @@ typedef struct {
     int flags;
     int stackseg;
     struct pci_device *dev;
-    IOADDRESS ioBase;
+    struct pci_io_handle *io;
 } xf86Int10InfoRec, *xf86Int10InfoPtr;
 
 typedef struct _int10Mem {