Power, USB 1.1, serial port 1 (DB-9, RS-232), parallel port, twisted-pair Ethernet, SCSI, and the audio card. The PCI slots from top to bottom: Slots 5 and 4 are 66 MHz/64-bit. Slots 3 and 2 are 66 MHz/64-bit. Slots 1 and 0 are 33 MHz/64-bit. The IEEE 1394A and USB 2.x card has two IEEE 1394A connectors and two USB 2.x connectors. The XVR-600 graphics accelerator connectors are stereo DIN7 and DVI-I. The XVR-500 graphics accelerator connectors are stereo DIN7 and 15-pin video. The XVR-1200 connectors are: two DVI-I, one stereo DIN7, one BNC, and two serial DB9. The XVR-100 connectors are: 15-pin, DVI-I, and stereo DIN7.