Sas/Sata Backplane Functional Architecture - Intel SR1500 - AXXMINIDIMM DDR-2 RAID Controller Cache Memory Manual

Intel® Server System SR2500AL
6.5.2

SAS/SATA Backplane Functional Architecture

The figure below shows the functional blocks of the SAS/SATA backplane.
LM75
EEPROM
HBA Connector
SEEPROM
(FRU)
SEEPROM
Connector
SAS/SATA HDD3
Connector (29P)
SAS/SATA HDD4
Connector (29P)
SAS/SATA HDD5
Connector (7P)
(to 2U SAS/SATA
HDD Optional Board)
6th SAS/SATA
HDD Optional Board
Figure 39. SAS/SATA Backplane Functional Block Diagram
Revision – 1.6
I2C Bus0
I2C Bus1
VSC410
I2C Bus2
Flash
Room
SAS/SATA HDD0
Connector (29P)
SAS/SATA HDD1
Connector (29P)
SAS/SATA HDD2
Connector (29P)
SAS/SATA PWR, LED,
PRSNT Connector (7P)
(to 2U SAS/SATA
HDD Optional Board)
Intel order number D31980-009
5BPeripheral and Hard Drive Sub-System
LED
BUS SW
SAS_I2C
IPMB_I2C
64P Connector X2
(from midplane)
Midplane
I2C Connector
4P LCD Connector
4P USB Connector
(for USB CD-ROM/FDD)
64P Front Panel Connector
(to Front Panel Board)
44P Internal
IDE Connector
(from baseboard)
64P Internal
IDE Connector
(to 64P CD-ROM
Interposer Board)
VRS RST
AF000040
55