Generic New Cmi8738 4 Ch 3D Pci Surround Sound Card Midi Audio Stereo Game Port 64-Bit CMI8738 PCI sound card Ports: 1 x Line-in; 1 x Mic-in; 1 x F-out; 1x R-Out; 1 x Cen-out,1 x back-out,1 x Digital-out Enhanced stereo full duplex operation Supports: Windows 95 / 98 / ME / 2000 / XP / VISTA Full duplex 64-bit PCI bus master