Intel SC5400LX User Manual
Intel® Server Chassis SC5400 5U Kit TPS
Hot Swap Hard Disk Drive Bays
Revision: 1.0
69
6.2.3
External Memory Device
The 4HDD and 6HDD active SAS/SATA HSBP contains a non-volatile 8Mbit Serial SPI FLASH
Memory for Boot and Run-Time/Configuration code storage. The device resides on the SPI
interface of VSC7161* SAS Expander.
Memory for Boot and Run-Time/Configuration code storage. The device resides on the SPI
interface of VSC7161* SAS Expander.
The Serial SPI Flash memory operates from the 3.3V rail.
6.2.4 LEDs
The 4 and 6 HDD Active SAS/SATA HSBP contains a green STATUS LED and amber FAULT
LED for each of the six hard disk drives. The STATUS LED is driven by the SAS/SATA hard
disk drive itself. The FAULT LED is driven by the VSC410* controller whenever a condition, as
defined by the firmware, is detected.
LED for each of the six hard disk drives. The STATUS LED is driven by the SAS/SATA hard
disk drive itself. The FAULT LED is driven by the VSC410* controller whenever a condition, as
defined by the firmware, is detected.
Table 56. LED Function
Status LED
Condition
Definition
On HDD
Active
Blink (0.5s on 0.5s off, 50% duty
cycle of a 1s)
cycle of a 1s)
Spin up/spin down(SAS HDD)
Green
Blink (1s on 1s off, 50% duty
cycle of a 2s)
cycle of a 2s)
Formating(SAS HDD)
Amber On
On
HDD Fail
Blink
Rebuild
Note:
For SAS drives, Green LED will be on when drive is installed and ready. For SATA drives Green LED will be off when
drive is installed and ready.
drive is installed and ready.
6.2.5
SAS/SATA Drive Connectors
The 4HDD and 6HDD active SAS/SATA HSBP provides four or six 22-pin SAS/SATA
connectors for hot swap hard disk drives supporting a 1.5GHz and 3.0GHz transfer rate.
connectors for hot swap hard disk drives supporting a 1.5GHz and 3.0GHz transfer rate.
The following table defines the pin-out of the 22-pin SAS/SATA Drive Connector:
Table 57. 22-pin SAS/SATA Connector Pin-out
Connector Contact Number
Signal Name
S1 GND
S2 DRVnA_RX_P
S3 DRVnA_RX_N
S4 GND
S5 DRVnA_TX_N
S6 DRVnA_TX_P
S7 GND