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Dell Dimension 4550 Series - Page 107

Dell Dimension 4550 Series
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Appendix 107
Memory
Architecture DDR SDRAM
Memory connectors two
Memory capacities 128-, 256-, and 512-MB non-ECC DDR
SDRAM
Minimum memory 128 MB
Maximum memory 1 GB
Memory type DDR 333 (non-ECC) only on computers
with 533-MHz system clock speed
DDR 266 (non-ECC) on computers with
either 400- or 533-MHz system clock speed
BIOS address F8000h
Drives
Externally accessible two 5.25-inch bays
two 3.5-inch bays
Internally accessible two bays for 1-inch–high IDE hard drives
Available devices ATA-100 Ultra DMA hard drive, CD drive,
floppy drive, Zip drive, DVD drive,
DVD+R/RW drive, and CD-RW drive
Ports and Connectors
Externally accessible:
Serial 9-pin connector; 16550C-compatible
Parallel 25-hole connector (bidirectional)
Video 15-hole connector
Keyboard 6-pin mini-DIN connector or USB connector
Mouse 6-pin mini-DIN connector or USB connector
USB two front-panel and four back-panel USB
2.0-compliant connectors
NIC RJ45 connector
Headphone front-panel miniature connector

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