IBM 74Y4064 Handbook page 117

Figure 45. PCIe1 SAS Tape/DVD Dual-port 3 Gb x8 Adapter
Specifications
Item Description
Adapter FRU number
44V4852 (Designed to comply with RoHS requirement)
I/O bus architecture
PCIe1 x8
Slot requirement
For more information about slot priorities, maximums, and placement rules, see PCIe adapter
placement rules and slot priorities (http://www.ibm.com/support/knowledgecenter/POWER9/
p9eab/p9eab_mtm_pciplacement.htm) and select the system that you are working on.
Cables
SAS device attachment requires specific cables that are provided with the subsystem or device
features being attached. Special cabling is required for multi-initiator and high availability
configurations. See Serial attached SCSI cable planning.
Voltage
3.3 V
Form factor
Short, low-profile (FC EJ1N)
Short, with full-height tailstock (FC EJ1P)
Attributes
v Two external mini-SAS 4x connectors provide attachment of SAS and Serial Advanced
Technology Attachment (SATA) device enclosures
v SAS Serial SCSI Protocol (SSP), Serial ATA Tunneling Protocol (STP), and Serial Management
Protocol (SMP)
v Support for multi-initiator and high availability configurations
v Removable media device supported
Note: Removable media is not supported in multi-initiator and high availability configurations
v Concurrent firmware update
v 440-500 Mhz PowerPC
®
(PPC)
101
Managing PCIe adapters