A DLP Design DLP-USB1232H based SPI BIOS chip programmer with flashrom support.
Details and schematics at http://www.coreboot.org/Flashrom/FT2232SPI_Programmer.
Yes, more geek pr0n! This is the CMOS/NVRAM battery in a (dead) laptop, which is what keeps your BIOS settings saved from one reboot to the other...
A socketed PLCC BIOS chip on some motherboard.
Because it was so much fun, here's another, slightly crippled, pea near a PLCC BIOS chip.
Don't ask. Just... don't.