diff --git a/kernel/branches/net/drivers/netdrv.inc b/kernel/branches/net/drivers/netdrv.inc
index 2ba7a46f81..12c32cfc66 100644
--- a/kernel/branches/net/drivers/netdrv.inc
+++ b/kernel/branches/net/drivers/netdrv.inc
@@ -132,16 +132,39 @@ macro make_bus_master bus, dev {
 
 	movzx	ecx, bus
 	movzx	edx, dev
-	stdcall PciRead32, ecx ,edx, PCI_REG_COMMAND
+	stdcall PciRead16, ecx ,edx, PCI_REG_COMMAND
 
-	or	al, PCI_BIT_MASTER ;or PCI_BIT_PIO
-;        and     al, not PCI_BIT_MMIO
-	stdcall PciWrite32, ecx, edx, PCI_REG_COMMAND, eax
+	or	al, PCI_BIT_MASTER or PCI_BIT_PIO
+	and	al, not PCI_BIT_MMIO
 
-;; TODO: try to switch to PIO, and check if PIO works or not..
+;        or      al, PCI_BIT_MASTER or PCI_BIT_MMIO
+;        and     al, not PCI_BIT_PIO
+
+	stdcall PciWrite16, ecx, edx, PCI_REG_COMMAND, eax
 
 }
 
+
+; .Latency:
+   ;*******Get current latency setting************************
+;   mov     al, 1                                       ;read a byte
+;   mov     bh, [pci_dev]
+;   mov     ah, [pci_bus]
+;   mov     bl, 0x0D                                ;from Lantency Timer Register
+;   call    pci_read_reg
+   ;******see if its aat least 64 clocks********
+;   cmp      ax,64
+;   jge      PCNET_adjust_pci_device_Done
+   ;******Set latency to 32 clocks*******
+;   mov     cx, 64                              ;value to write
+;   mov     bh, [pci_dev]
+;   mov     al, 1                               ;write a byte
+;   mov     ah, [pci_bus]
+;   mov     bl, 0x0D                            ;to Lantency Timer Register
+;   call    pci_write_reg
+   ;******Check latency setting***********
+;  .Done:
+
 struc IOCTL {
       .handle		dd ?
       .io_code		dd ?
@@ -191,6 +214,8 @@ macro NET_DEVICE {
 	.packets_tx	dd ?	;
 	.packets_rx	dd ?	;
 
+;        .hwcksum        dd ?
+
 	.end:
 }