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Backplane daughter cards and RAID enablement cards that are not in the PCI form factor are not
described in the Managing PCI adapters information.
See Parts Information to find part numbers and location codes for these types of cards.
See the following sections for SAS RAID enablement procedures:
v
SAS RAID controllers for AIX
v
SAS RAID controllers for IBM i
v SAS RAID controllers for Linux
Related reference:
Parts information
PCI Express
Learn about PCI Express (PCIe) adapters and slots.
PCI Express (PCIe) adapters use a different type of slot than Peripheral Component Interconnect (PCI)
and Peripheral Component Interconnect-X (PCI-X) adapters. If you attempt to force an adapter into the
wrong type of slot, you might damage the adapter or the slot. A PCI adapter can be installed in a PCI-X
slot, and a PCI-X adapter can be installed in a PCI adapter slot. A PCIe adapter cannot be installed in a
PCI or PCI-X adapter slot, and a PCI or PCI-X adapter cannot be installed in a PCIe slot. The following
illustration shows an example of a PCI-X adapter (A) next to a PCIe 4x (B) adapter.
Figure 1. PCI-X adapter and PCIe 4x adapter
PCIe adapters and slots come in 4 different sizes: 1x, 4x, 8x, and 16x. Smaller size adapters do fit in larger
slots, but larger size adapters do not fit in smaller slots. The following table shows PCIe slot
compatibility.
Table 3. PCIe slot compatibility
1x slot
1x adapter
Supported
4x adapter
Not supported
8x adapter
Not supported
16x adapter
Not supported
To learn more about the PCIe standard, see the IBM Redbooks
Handling static sensitive devices
Electronic boards, adapters, media drives, and disk drives are sensitive to static electricity discharge.
These devices are wrapped in antistatic bags to prevent damage. Learn about taking precautions to
prevent damage to these devices from static electricity discharge.
®
4x slot
Supported
Supported
Not supported
Not supported
8x slot
Supported
Supported
Supported
Not supported
®
technote: Introduction to PCI Express.
Managing PCI adapters
16x slot
Supported
Supported
Supported
Supported
3
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