If you want to find out some informations about your BIOS or if your machine has a raid-controller, you can use the following command:
dmidecode
# dmidecode 2.12
SMBIOS 2.6 present.
110 structures occupying 3852 bytes.
Table at 0x000EB5C0.
Handle 0x0000, DMI type 0, 24 bytes
BIOS Information
Vendor: American Megatrends Inc.
Version: 3603
Release Date: 11/09/2012
Address: 0xF0000
Runtime Size: 64 kB
ROM Size: 8192 kB
Characteristics:
PCI is supported
BIOS is upgradeable
BIOS shadowing is allowed
Boot from CD is supported
Selectable boot is supported
BIOS ROM is socketed
EDD is supported
5.25"/1.2 MB floppy services are supported (int 13h)
3.5"/720 kB floppy services are supported (int 13h)
3.5"/2.88 MB floppy services are supported (int 13h)
Print screen service is supported (int 5h)
8042 keyboard services are supported (int 9h)
Serial services are supported (int 14h)
Printer services are supported (int 17h)
ACPI is supported
USB legacy is supported
BIOS boot specification is supported
Targeted content distribution is supported
BIOS Revision: 4.6
Handle 0x0001, DMI type 1, 27 bytes
System Information
Manufacturer: System manufacturer
Product Name: System Product Name
Version: System Version
Serial Number: System Serial Number
UUID: 1F00AD60-00C6-1700-CF80-14DAE94F8AD2
Wake-up Type: Power Switch
SKU Number: SKU
Family: To be filled by O.E.M.
Handle 0x0002, DMI type 2, 15 bytes
Base Board Information
Manufacturer: ASUSTeK Computer INC.
Product Name: P8Z68-V PRO
Version: Rev 1.xx
Serial Number: 111250640004211
Asset Tag: To be filled by O.E.M.
Features:
Board is a hosting board
Board is replaceable
Location In Chassis: To be filled by O.E.M.
Chassis Handle: 0x0003
Type: Motherboard
Contained Object Handles: 0
Handle 0x0003, DMI type 3, 21 bytes
Chassis Information
Manufacturer: Chassis Manufacture
Type: Desktop
Lock: Not Present
Version: Chassis Version
Serial Number: Chassis Serial Number
Asset Tag: Asset-1234567890
Boot-up State: Safe
Power Supply State: Safe
Thermal State: Safe
Security Status: None
OEM Information: 0x00000000
Height: Unspecified
Number Of Power Cords: 1
Contained Elements: 0
...
...