I'd like to include three OEM mass storage drivers to txtsetup.oem file. The problem is [Defaults] section. If I have LSI SCSI as a default, the PC with Adaptec Embedded Serial ATA HostRAID Controller doesn't work (Error: cannot load symmpi.sys) and vice versa. How to solve the problem? Thanks in advance. Txtsetup.oem: [Disks] d1 = "LSI Logic Ultra320 1020/1030 Driver (XP)", \symmpi.tag, \ d2 = "Adaptec Ultra320 Family Manager Set - Microsoft Disk", \u320dsk1, \win32bit d3 = "Adaptec Embedded Serial ATA HostRAID Controller", \hraidsk1 [Defaults] scsi = SYMMPI_XP32 #scsi = a79xxNT40 #scsi = ADAPTEC_SATA_HOSTRAID [scsi] SYMMPI_XP32 = "LSI Logic Ultra320 1020/1030 Driver (XP 32-bit)",symmpi a79xxNTIA32 = "Adaptec Ultra320 SCSI Cards (Win XP/Server 2003 IA-32)",adpu320 ADAPTEC_SATA_HOSTRAID = "Adaptec Embedded Serial ATA HostRAID Controller" [HardwareIds.scsi.SYMMPI_XP32] id = "PCI\VEN_1000&DEV_0621", "symmpi" id = "PCI\VEN_1000&DEV_0622", "symmpi" id = "PCI\VEN_1000&DEV_0624", "symmpi" id = "PCI\VEN_1000&DEV_0626", "symmpi" id = "PCI\VEN_1000&DEV_0628", "symmpi" id = "PCI\VEN_1000&DEV_0030", "symmpi" [HardwareIds.scsi.a79xxNTIA32] id = "PCI\VEN_9005&DEV_801D", "adpu320" id = "PCI\VEN_9005&DEV_801E", "adpu320" id = "PCI\VEN_9005&DEV_801F", "adpu320" id = "PCI\VEN_9005&DEV_800F", "adpu320" id = "PCI\VEN_9005&DEV_800F&SUBSYS_005F9005", "adpu320" id = "PCI\VEN_9005&DEV_8000&SUBSYS_00609005", "adpu320" id = "PCI\VEN_9005&DEV_8010&SUBSYS_00409005", "adpu320" id = "PCI\VEN_9005&DEV_8011&SUBSYS_00419005", "adpu320" id = "PCI\VEN_9005&DEV_8012&SUBSYS_00429005", "adpu320" id = "PCI\VEN_9005&DEV_8014&SUBSYS_00449005", "adpu320" id = "PCI\VEN_9005&DEV_8015&SUBSYS_00409005", "adpu320" id = "PCI\VEN_9005&DEV_8016&SUBSYS_00409005", "adpu320" id = "PCI\VEN_9005&DEV_8017&SUBSYS_00449005", "adpu320" [HardwareIds.scsi.ADAPTEC_SATA_HOSTRAID] id = "PCI\VEN_8086&DEV_24df","aarich" id = "PCI\VEN_8086&DEV_25B0","aarich" id = "PCI\VEN_8086&DEV_2652","aarich" [Files.scsi.SYMMPI_XP32] driver = d1,symmpi.sys,SYMMPI inf = d1,symmpi.inf catalog = d1,mpixp32.cat [Files.scsi.a79xxNTIA32] driver = d2, adpu320.sys, adpu320 inf = d2, adpu320.inf catalog = d2, adpu320.cat [Files.scsi.ADAPTEC_SATA_HOSTRAID] driver = d1,aarich.sys, aarich inf = d1,aarich.inf inf = d1,aichmgt.inf catalog = d1,aarich.cat catalog = d1,aichmgt.cat [Config.SYMMPI] value = Parameters\PnpInterface,5,REG_DWORD,1 [Config.adpu320] value = "", tag, REG_DWORD, 20 #value = Parameters\PnpInterface,5, REG_DWORD,1 [Config.aarich] value = "", Group, REG_SZ, "SCSI Miniport" value = "", Start, REG_DWORD, 0 value = "", Tag, REG_DWORD, 1 value = "", Type, REG_DWORD, 1)