IBM 86645RY Hardware Maintenance Manual - Page 117

Adapter considerations, See Start Options

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determine if it supports hot-plug PCI adapters and, if so, what the Attention LEDs indicate. The following table describes the LEDs: Power LED On Attention LED Flashing On Off Off Flashing Off Off Description The adapter requires attention. Slot still has power applied. Do not remove or install an adapter in the slot. Refer to the operating system documentation for instructions. Normal operation; no intervention is required. The adapter requires intervention. Power is removed from the slot. An adapter can be removed or installed in the slot. Power is removed from the slot. An adapter can be removed or installed in the slot. Adapter considerations: Before you continue with the adapter-installation procedure: Review the documentation that comes with the adapter and follow those instructions in addition to the instructions given in this chapter. If you need to change the switch or jumper settings on the adapter, follow the instructions that come with the adapter documentation. You can install full-length adapters in all expansion slots. You can install hot-plug PCI adapters in PCI slots 3-5, if the operating system supports this feature. Non-hot-plug PCI adapters can also be installed in these slots. The server supports 5.0 V and universal PCI adapters; it does not support 3.3 V adapters. Note A universal PCI adapter supports both 3.3 V and 5.0 V operation. The server uses a rotational interrupt technique to configure PCI adapters. Because of this technique, you can install a variety of PCI adapters that currently do not support sharing of PCI interrupts. PCI slots 1 and 2 are on PCI bus A and PCI slots 3-5 are on PCI bus B. Both PCI buses are primary buses. The system scans PCI slots 1 through 5 to assign system resources; then the system starts (boots) the PCI devices in the following order, if the default boot precedence has not been changed: PCI slots 1 and 2, system board SCSI devices, and then PCI slots 3 through 5. See "Start Options" on Netfinity 5600 - Type 8664 109

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determine if it supports hot-plug PCI adapters and, if
so, what the Attention LEDs indicate.
The following table describes the LEDs:
Adapter considerations:
Before you continue with
the adapter-installation procedure:
±
Review the documentation that comes with the
adapter and follow those instructions in addition to the
instructions given in this chapter.
If you need to
change the switch or jumper settings on the adapter,
follow the instructions that come with the adapter
documentation.
±
You can install full-length adapters in all expansion
slots.
±
You can install hot-plug PCI adapters in PCI slots
3–5, if the operating system supports this feature.
Non-hot-plug PCI adapters can also be installed in
these slots.
±
The server supports 5.0 V and universal PCI
adapters; it does not support 3.3 V adapters.
Note
A universal PCI adapter supports both 3.3 V and
5.0 V
operation.
±
The server uses a rotational interrupt technique to
configure PCI adapters.
Because of this technique,
you can install a variety of PCI adapters that currently
do not support sharing of PCI interrupts.
±
PCI slots 1 and 2 are on PCI bus A and PCI slots
3–5 are on PCI bus B.
Both PCI buses are primary
buses.
The system scans PCI slots 1 through 5 to
assign system resources; then the system starts
(boots) the PCI devices in the following order, if the
default boot precedence has not been changed:
PCI
slots 1 and 2, system board SCSI devices, and then
PCI slots 3 through 5.
See “Start Options” on
Power LED
Attention
LED
Description
On
Flashing
The adapter requires attention.
Slot still has power applied.
Do not remove or install an
adapter in the slot.
Refer to the
operating system documentation
for instructions.
On
Off
Normal operation; no
intervention is required.
Off
Flashing
The adapter requires
intervention.
Power is removed
from the slot.
An adapter can
be removed or installed in the
slot.
Off
Off
Power is removed from the
slot.
An adapter can be
removed or installed in the slot.
Netfinity 5600 - Type 8664
109