Dell OptiPlex GX300 - Manual (Page 85)

Audio type Sound Blaster emulation
Audio controller Analog Devices AD1881 AC97 Codec
Stereo conversion 16 bit (analog-to-digital and digital-to-analog)
Interfaces:
Internal PCI bus/AC97
External stereo line-in minijack;
microphone-in minijack;
headphones/speakers-out minijack
Expansion Bus
Bus types PCI and AGP
Bus speed PCI: 33 MHz
AGP: 66 MHz
PCI expansion-card connectors five
AGP expansion-card connector one universal (supports 4X and 2X protocols)
PCI expansion-card connector size 120 pins
PCI expansion-card connector data width
(maximum) 32 bits
AGP expansion-card connector size 132 pins
AGP expansion-card connector data width
(maximum) 32 bits
Drives
Externally accessible bays three 5.25-inch bays for diskette, tape, or CD-ROM drives; one 3.5-inch bay for a diskette
drive
Internally accessible bays two 3.5-inch bays: one for a 1-inch-high hard-disk drive and one for a 1.6-inch-high hard-
disk drive
Ports
Externally accessible:
Serial (DTE)
two 9-pin connectors; 16550-compatible
Parallel
one 25-hole connector (bidirectional)
Video
one 15-hole connector (on video card)
Integrated network interface controller
(NIC) RJ45 connector
PS/2-style keyboard
6-pin mini-Deutsche Industrie Norm (DIN)
PS/2-compatible mouse
6-pin mini-DIN
Universal Serial Bus (USB)
two USB-compliant connectors
Audio one microphone-in jack;
one line-in/audio-in jack;
one headphones/speakers jack
Internally accessible:
Primary enhanced integrated drive
electronics (EIDE) hard-disk drive 40-pin connector on PCI local bus
Secondary EIDE hard-disk drive 40-pin connector on PCI local bus