Cooling Subsystem; Hot-Swap Pci Slots; Table 2. Power Indicator; Table 3. Attention Indicator - Intel SR4850HW4 - Server Platform - 0 MB RAM Product Manual

Platform Description

Cooling Subsystem

CAUTION
The chassis top cover must be installed for proper system cooling. Cooling
components must be hot-swapped within two minutes. This time period
applies only to the time that the cooling component is physically removed,
not from the time of failure.
The cooling subsystem consists of hot-swap, redundant (2+2) fans. In the event of a cooling
component failure, system cooling is maintained and the system continues to operate while the
component is being hot-swapped. Each fan module has a single LED to indicate its status. The LED
will be off when both fans are operating normally. The LED will illuminate amber if one or both of
the fans fail. Failed fans can be hot-swapped from the front of the chassis.
For proper processor cooling, the processor duct must always be in place. Systems not fully-
configured with four processors and four memory boards should have the processor heat sink and
memory board fillers installed to maintain proper cooling.

Hot-swap PCI Slots

The five Hot-plug PCI slots have power and attention LEDs. The attention button is used to invoke
a Hot-plug sequence to remove or add an adapter without having to use the software interface. They
are identified by the green arrow on the PCI divider label. The status of the LEDs is shown in Table
2 and
Table 3.
Table 2. Power Indicator
Green Power LED State
Off
On
Blinking
Table 3. Attention Indicator
Amber Attention LED State
Off
On
Blinking
42
Definition
Power off: Power has been removed from the slot. A card can be
inserted or removed.
Power on: The slot is powered on. A card cannot be inserted or
removed.
Power transition: The slot is in the process of powering up or down. A
card cannot be inserted or removed.
Definition
Normal: Normal operation
Attention: Power fault or operational problem has occurred with
this slot
Locate: The slot is being identified at the user's request.
Intel® Server Platforms SR4850HW4 & SR4850HW4/M Product Guide