1. Driver_Vista64_7840.zip Driver
2. Ms24Comp.inf File Contents

Ms24Comp.inf Driver File Contents (Driver_Vista64_7840.zip)

;;/*********************************************************************
;;
;;  (c) Copyright MosChip Semiconductor Technology Limited
;;
;;  MosChip 7840/7820 - MosChip High-Speed USB MultiSerial Device Driver for 2/4 serial ports
;;
;;  Ms24Comp.inf: Installation Script for MosChip 7840/20 - Compound Device
;;  Target OS : 64-Bit Windows XP.
;;
;;*********************************************************************/

[Version]
Signature=$Windows NT$
Class=USB
ClassGuid={36FC9E60-C465-11CF-8056-444553540000}
Provider=%ProviderName%
DriverVer=12/08/2006,1.3.0.0
CatalogFile=Mos24Ser.cat

[Manufacturer]
%MfgName%=MosQuadCompDeviceList,NTamd64

[SourceDisksNames]
1=%DiskName%,,0

[SourceDisksFiles]
mos24ser.sys=1
mos24ser.inf=1
Mos24Serial.EXE=1
Mos24SerPropPage.dll=1
MSUninst.exe=1

[SourceDisksNames]
2="Install disk",,,..\

[DestinationDirs]
DefaultDestDir=11        ;LDID_SYS
MosQuadComp.NT.CopyFiles=12        ;DIRID_DRIVERS
Inf.Copy=17
Uninstall.Copy=11

[MosQuadCompDeviceList.NTamd64]

%MosQuadComp.DevName%=MosQuadComp,USB\VID_9710&PID_7820
%MosQuadComp.DevName%=MosQuadComp,USB\VID_9710&PID_7840

[MosQuadComp.NT]
AddReg=MosQuadComp.NT.AddReg,Uninstall.AddReg
CopyFiles=MosQuadComp.NT.CopyFiles,Uninstall.Copy,Inf.Copy
;SyssetupPnPFlags = 1

[MosQuadComp.NT.CopyFiles]	
mos24ser.sys

[MosQuadComp.NT.AddReg]
HKR,,DevLoader,,*ntkern
HKR,,NTMPDriver,,mos24ser.sys

[MosQuadComp.NT.Services]
AddService=mos24ser,2,MosQuadComp.NT.AddService

[MosQuadComp.NT.AddService]
DisplayName    = %mos24ser.ServiceName%
ServiceType    = 1           ; SERVICE_KERNEL_DRIVER
StartType      = 3           ; SERVICE_DEMAND_START
ErrorControl   = 0           ; SERVICE_ERROR_IGNORE
ServiceBinary  = %12%\mos24ser.sys
LoadOrderGroup = Base

[Uninstall.Copy]
MSUninst.exe
Mos24Serial.EXE
Mos24SerPropPage.dll

[Uninstall.AddReg]
HKLM,SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\%MosQuadComp.DevName%,DisplayName,0,%MosQuadComp.DevName%
HKLM,SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\%MosQuadComp.DevName%,UninstallString,0,MSUninst.exe

[Strings]
ProviderName="MosChip Semiconductor Technology"
MfgName="MosChip Semiconductor Technology"
DiskName="MosChip High-Speed USB MultiSerial Compound Device Installation Disc"
MosQuadComp.DevName="MosChip High-Speed USB MultiSerial Compound Device"
mos24ser.ServiceName="MosChip High-Speed USB MultiSerial Compound Device Service"

;-----------------------------------
; END OF FILE
;-----------------------------------

=

How To Update Drivers Manually

After your driver has been downloaded, follow these simple steps to install it.

• Expand the archive file (if the download file is in zip or rar format).

• If the expanded file has an .exe extension, double click it and follow the installation instructions.

• Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.

• Find the device and model you want to update in the device list.

• Double-click on it to open the Properties dialog box.

• From the Properties dialog box, select the Driver tab.

• Click the Update Driver button, then follow the instructions.

Very important: You must reboot your system to ensure that any driver updates have taken effect.

For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.