Updating firmware for XM-6302B?

Hi, I have a Toshiba XM-6302B CD-ROM and I am wanting to update the firmware. I have searched, maybe not hard enough, for a guide on how to do it, but have come up empty. Any help would be appreciated. Thanks in advance.

AMD 2500XP
1024MB DDR 3200
Windows XP Home (SP1)
Asus A7N8X Deluxe