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STL2 Server Board Architecture Overview STL2 Server Board TPS
2-12
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Integrated physical interface to TX magnetics.
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The magnetics component terminates the 100Base-TX connector interface. A flash
device stores the network ID.
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Support for Wake-on-LAN (WOL).
2.4.2.2 Video Controller
The STL2 server board includes an ATI Rage IIC video controller, 4 MB video SGRAM, and
support circuitry for an embedded SVGA video subsystem. The Rage IIC, 64-bit VGA Graphics
Accelerator contains a SVGA video controller, clock generator, BitBLT engine, and RAMDAC.
Two 512K x 32 SGRAM chips provide 4 MB of 10ns video memory.
The SVGA subsystem supports a variety of modes: up to 1280 X 1024 resolution, and up to
16.7 Million colors. It also supports analog VGA monitors, single- and multi-frequency,
interlaced and non-interlaced, up to 100 Hz vertical refresh frequency. The STL2 server board
provides a standard 15-pin VGA connector, and external video blanking logic for server
management console redirection support.
2.4.2.2.1 Video Controller PCI Signals
The Rage IIC supports a minimal set of 32-bit PCI signals because it never acts as a PCI
master. As a PCI slave, the device requires no arbitration or interrupts.
Rage IIC
PAR
STOP_L
TRDY_L
C/BE[3::0]_L
FRAME_L
AD[31::0]
SERR_L
PCI_CLK
RST_L
PERR_L
IRDY_L
DEVSEL_L
IDSEL
PCI_INT_L
Figure 2-2. Video Controller PCI Signals