Model 5796 expansion unit
Learn about the PCI-X DDR slots in the 5796 expansion unit.
The 5796 expansion unit is a rack-mountable, I/O expansion drawer that is designed to be attached to the system unit using the 12X Channel bus and 12X cables. There is a limit of four 5796 per 12X loop. The 5796 can accommodate 6, Generation 3 blind swap adapter cassettes. Cassettes can be installed and removed without removing the drawer from the rack. The 5796 does not support I/O processor (IOP) adapters.
The following figure shows the back view of the expansion unit.
Table 1. Location code descriptions Location code Description C1, C2, C3, C4, C5, and C6 PCI-X DDR slots. See also PCI-X DDR slot descriptions. C7-T1 and C7-T2 12X Channel remote I/O ports C8-T1 and C8-T2 Dual port SPCN connectors. E1 and E2 Power supply connectors.
PCI-X DDR slot descriptions
The following table describes the PCI-X DDR slots.
Table 2. PCI-X DDR slot properties PHB-A1 PHB-A2 PHB-A3 PHB-B2 PHB-B2 PHB-B3 Slot 1 Slot 2 Slot 3 Slot 4 Slot 5 Slot 6 Long Long Long Long Long Long 64-bit 3.3V, 266 MHz 64-bit 3.3V, 266 MHz 64-bit 3.3V, 266 MHz 64-bit 3.3V, 266 MHz 64-bit 3.3V, 266 MHz 64-bit 3.3V, 266 MHz C1 C2 C3 C4 C5 C6
- There are two I/O chips, each with three PCI host busses (PHB)s. Each PCI-X DDR slot connects directly to a PHB
- All slots are compatible with PCI, PCI-X and PCI-X DDR adapters.
- Short adapters can go in long slots.
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