Dell Dimension 4600C Service Manual page 39

Memory type 333-MHz DDR SDRAM (non-ECC)
NOTE: DDR 333 memory performs at 266 MHz on 400 front- side bus processors.
Drives
Externally accessible one slimline optical bay
one slimline 3.5-inch bay
Internally accessible one bay for 1-inch–high IDE hard drive
Ports and Connectors
Externally accessible:
Parallel 25-pin connector (bidirectional)
IEEE 1394 (optional) two 4-hole, unpowered connectors
Video 15-pin connector
Keyboard 6-pin mini-DIN connector or USB connector
Mouse 6-pin mini-DIN connector or USB connector
USB two front-panel and six back-panel USB 2.0-compliant connectors
Headphone front-panel miniature connector for line-out
Audio five back miniature connectors for line-in, line-out, microphone, and surround and center/Low-Frequency Effects (LFE)
channel
S/PDIF one back-panel digital line-out connector
Network RJ-45 connector
Internally accessible:
Primary IDE channel 40-pin connector on PCI local bus
Secondary IDE channel 40-pin connector on PCI local bus
Serial ATA one 7-pin connector
Video
Video controller integrated Intel® Extreme Graphics 2 (low-profile AGP video card also supported)—4X and 8X
Audio
Audio controller ADI 1980 integrated 5.1 channel audio
Network
Network controller integrated 10/100 Ethernet
Controls and Lights
Power control push button
Power light green light on power button—blinking green in sleep state; solid green for power-on state
Hard-drive access light green
Diagnostic code lights four bicolor (amber and green) located on back panel
Power
DC power supply:
Wattage
Heat dissipation
Voltage (see your Owner's Manual for important voltage setting information) 90 to 135 V at 50/60 Hz;
Backup battery
160 W
546 BTU (fully-loaded computer without monitor)
180 to 265 V at 50/60 Hz;
100 V at 50/60 Hz for Japanese computers
3-V CR2032 coin cell