Dell PowerEdge R420 Technical Manual

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Dell PowerEdge R420 Technical Manual Manual pdf 46 page image

The Dell PowerEdge R420 iDRAC incorporates an integrated video subsystem. The graphicscontroller is the 2D Matrox® G200. The video frame buffer (16MB) is contained within the iDRACRAM (256MB) device.The R420 system supports the 2D graphics video modes listed in Table 27.Resolution Refresh Rate (Hz) Color Depth (bit)640 x 480 60, 70 8, 16, 32800 x 600 60, 75, 85 8, 16, 321024 x 768 60, 75, 85 8, 16, 321152 x 864 60, 75, 85 8, 16, 321280 x 1024 60, 75 8, 16, 32Table 28 lists the spacing dimensions for the R420 sliding and static rails.Product Railidentifier Rail typeRail adjustability range (mm) Rail depth (mm)Square Round Threaded withoutCMAwithCMAMin Max Min Max Min MaxR420A7 Sliding 681 868 667 861 681 883 720 845A8 Static 608 879 594 872 604 890 622 —The adjustment range of the rails is a function of the type of rack in which they are being mounted.The min-max values listed above represent the allowable distance between the front and rearmounting flanges in the rack. Rail depth without the CMA represents the minimum depth of the railswith the outer CMA brackets removed (if applicable) as measured from the front mounting flangesof the rack.USB peripherals are supported through the front and back USB ports on the R420. These ports areUSB 2.0 compliant.

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