Upgrading Motherboard BIOS, RAID Controller Driver, etc.

If I were to upgrade my motherboard BIOS or motherboard RAID controller
driver, would I loose my current RAID drive array data?

I have a Gateway FX530 with the following specs:

- Specifications:

Intel Core 2 Quad Processor Q6600 2.40GHZ 8M Cache
Intel 975X w/10/100/1000 Intel Integrated LAN
700W Power Supply
2GB Memory
Microsoft Windows Vista Ultimate 32-bit
Microsoft Office 2007 Home and Student *
500GB SATA II/300 7200RPM 8MB Cache RAID 0 (2x250GB Hard Drives)
48x/32x/48x CD-RW/DVD Combo Drive
16x Double-Layer Multi-Format DVD Writer DVD+-/R+-RW/CD-R/RW
768MB Nvidia 8800GTX Graphics (Factory Overclocked)
Gateway 22" Widescreen High Definition LCD Display
TV Tuner Asus/ViXS Combo-210E NTSC/ATSC
Sound Blaster X-FI PCI Card
Logitech X-230 2.1 32 watt Speakers w/Subwoofer
3 Year Warranty

- Peripherals:

Lacie 500GB External Hard Drive Backup Storage *
Microsoft Wireless Laser Keyboard 6000 v2.0 *
Logitech MX518 Gaming Grade Optical Mouse *
Logitech Premium Stereo Headset *
Epson Stylus Ultra Hi-Definition RX580 Photo All-In-One *

(* not included in Gateway purchase)