PCI-X Slot Locations (Model 6C3 and Model 6E3)Six PCI-X slots are available. Slots 1, 4, 5, and 6 are 64-bit capable at 133 MHz, 3.3 volts. Slots 2 and 3are 32-bit capable at 66 MHz, 3.3 volts. All slots have hot-swap capabilities. The slots are numbered onthe rear of the chassis from left to right, 1 through 6.All PCI-X slots are capable of running either 64-bit or 32-bit adapters. However, a 32-bit adapter operatesin a 32-bit mode and shows no performance advantage while running in a 64-bit slot. The followingillustration shows the PCI adapter slot locations when viewing from the rear of the system.1 2 3 6541 PCI-X Slot 1 4 PCI-X Slot 42 PCI-X Slot 2 5 PCI-X Slot 53 PCI-X Slot 3 6 PCI-X Slot 616 EserverpSeries 615 Service Guide