Intel® Server Platform SR6850HW4 TPS | SCSI Backplane Board |
7.2.3SCSI Enclosure Management
SCSI enclosure management allows the SCSI Backplane Board to report
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| THERMAL |
LVD SCSI BUS DATA 0..7 | ENCLOSURE |
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| SENSOR |
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| MANAGEMENT |
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| CONTROLLER |
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| I2C |
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LVD SCSI BUS CONTROL | (Qlogic* GEM359) |
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Addres 0..16 | Control | DATA |
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| RESET |
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FLASH
Drive and LED control
PLD
(LC4128V)
Figure 31. Enclosure Management Signal Flow Diagram
7.2.3.1Qlogic GEM359 Enclosure Management Controller
The GEM359s send board and drive information to both the SCSI and IPMB bus. The GEM359s also act on requests from both the SCSI bus and global I2C bus. GEM359s GPIOs send LED information to the PLD.
7.2.3.24-Mb Flash
The GEM359s code is stored in a
7.2.3.3PLD
The PLD governs the SCSI power control circuit and controls the LEDs. The PLD is an
Revision 1.0 | 75 |
| Intel order number |