L1 Controller
007-4653-001
107
Table 8-1
L1 Controller Functions
Function
Cx-brick R-brick
I/O bricks
(IX, PX, X)
Graphics bricks
(G, N, V)
Controls voltage regulator modules (VRMs).
X
X
X
X
Controls voltage margining within the brick.
X
X
X
X
Controls and monitors fan speed.
X
X
X
Monitors voltage and reports failures.
X
X
X
X
Monitors and reports operating temperature and status of 48-VDC input
power.
X
X
X
X
Monitors and controls LEDs.
X
X
X
X
Reads system identification (ID) PROMs.
X
X
X
X
Monitors the On/Off power switch.
X
X
X
X
Monitors the reset switch and the nonmaskable interrupt (NMI) switch.
X
Reports the population of the PCI or XIO cards and the power levels of the
card slots.
X
Powers on the card slots and their associated LEDs.
X
Summary of Contents for Origin 3900
Page 1: ...SGI Origin 3900 Server User s Guide 007 4653 001 ...
Page 3: ...007 4653 001 iii Record of Revision Version Description 001 October 2003 Original Release ...
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Page 65: ...Product Description 007 4653 001 39 Figure 2 1 512 processor Origin 3900 Server ...
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