Missing drivers for Dell Latitude E6400

Hi
I found an answer and hope it will help others.

The driver update page for this laptop (Service Tag: H74G4M1). Does not have drivers to resolve these items

Broadcom USH
   USB\VID_0A5C&PID_5800&REV_0101&MI_00
   USB\VID_0A5C&PID_5800&MI_00

PCI Serial port
   PCI\VEN_8086&DEV_2A47&SUBSYS_024F1028&REV_07
   PCI\VEN_8086&DEV_2A47&SUBSYS_024F1028
   PCI\VEN_8086&DEV_2A47&CC_070002
   PCI\VEN_8086&DEV_2A47&CC_0700

PCI Simple Communications Controller
   PCI\VEN_8086&DEV_2A44&SUBSYS_024F1028&REV_07
   PCI\VEN_8086&DEV_2A44&SUBSYS_024F1028
   PCI\VEN_8086&DEV_2A44&CC_078000
   PCI\VEN_8086&DEV_2A44&CC_0780

Some research found these locations for the needed drivers
FIX FOR PCI Simple Communications Controller  and PCI SERIAL PORT
www.sevenforums.com/.../291899-pci-serial-port-driver-error-dell-e6400-laptop-win7-entprz64.html
Intel_AMT-HECI_A03_R279202
Intel_AMT-SOL--LMS_A03_R279203

Fixed Broadcom USH
www.dell.com/.../DriversDetails
Dell_ControlPoint-Security-D_A17_R262477

Hope this helps.  Enjoy