Providing both front and rear I/O, the C66320 cPCI processor board sports a 6U size and supports Celeron/Coppermine CPUs up to 850 MHz. Features include the front side bus running at up to 100 MHz, up to 348 MB of SDRAM, a Chips &Technologies 69030 CRT/LCD controller, and a 10/100 Base TX Ethernet controller. A special heat sink allows the board to occupy a single slot. Other features include hot-swap capability and a socket that supports up to 144 MB of disk-on-chip. Pricing starts at $3,940.