3Ware 9500S-8 Installation Guide - Page 20
Installing a Serial ATA RAID Controller, the controllers look very similar - memory
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Installing the Hardware Installing a Serial ATA RAID Controller Figure 1 shows a 3ware Serial ATA RAID controller with twelve ports. Up to twelve drives can be attached to this particular controller, through serial ATA cables. LED indicators for individual drives on J7, J8, and J9 Overall LED drive status indicator: the last two pins of J9. The anode is the lower of the two pins and the cathode is the upper. I2C Serial ports are double- connector stacked connectors. Odd-numbered ports 1 through 11 are located below even-numbered ports 0 through 10. Ports 10 and 11 Ports: 6 and 7 Ports 8 and 9 4 and 5 2 and 3 Serial number (on plate) 0 and 1 SODIMM (memory module) BBU (Battery Backup Unit) connector LED connector details J7 is for drives 0, 1, 2, 3 (left to right) The last two pins on J8 is for drives 4, 5, 6, 7 (left to right) J7 and J8 are unused. J9 is for drives 8, 9, 10, 11 (left to right) For more details, see page 13. Figure 1. 12-Port 3ware 9500S-12 Serial ATA RAID Controller Figures 2 and 3 show 3ware Serial ATA RAID controllers with 8 ports (there are two versions of the 9500S-8 controller). The earlier models use Pchip v1.4 and are not BBU-compatible. The more recent models use Pchip v1.5 and are BBU-compatible. Although the controllers look very similar, the location of the overall LED drive status indicator is different on the two versions, as shown in the respective figures. If you are not certain which version you have, you can use the 3ware CLI to determine the Pchip version (tw_cli c0 show pchip). 12 3ware 9000 Series Serial ATA RAID Controller Installation Guide