Dell DMC, MTC2, G7279 manual Memory, Other factors, Drives, Ports and Connectors

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Memory

Architecture	Dual Channel DDR SDRAM
Memory connectors	Four
Memory capacities	128-, 256-, 512-MB or 1-GB
Minimum memory	128-MB DDR SDRAM
	NOTE: Between 32 and 64 MB of system memory may be
	allocated to support graphics, depending on system memory size
	and other factors.
Maximum memory	4 GB
Memory type	PC2700 (333-MHz) or PC3200 (400-MHz) DDR SDRAM
	(non-ECC)
Drives
Externally accessible	two 5.25-inch bays
	one 3.5-inch bay
Internally accessible	Two bays for 1-inch–high IDE hard drives
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
Mouse	6-pin mini-DIN connector
USB	two front-panel and six back-panel USB 2.0–compliant
	connectors
Network	RJ-45 connector
Audio	Five back miniature connectors for line-in, line-out,
	microphone, surround and center/Low-Frequency Effects
	(LFE) channel
Headphone	one front miniature connector for line-out

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Appendix