System Interconnection - Intel SR870BN4 - Server Platform - 0 MB RAM Product Manual

System Interconnection

Table 35 lists the system connectors. The system connectors are used to connect to mains power,
supply power, and signals throughout the board set, and to provide interface with external
components.
Table 35. Cable and Connector Descriptions
Type
Serial
USB
Ethernet
Video
I/O Riser
Connector
External Wide
Ultra320 SCSI,
Port 2
ICMB internal
ICMB external
(Optional)
HPIB
AC Distribution
(Filter Side)
AC Power
DC main power
DC main power
VHDM (I/O
Board)
VHDM
(Processor board)
HDM (SCSI
backplane)
+5 V DC-to-DC
(I/O board)
+3.3 V DC-to-DC
(I/O board)
254
Qty From
1 I/O riser
4 I/O riser
1 I/O riser
1 I/O riser
1 I/O board
1 I/O board
1 I/O board
2 ICMB board
1 I/O board
2 Power cord
2 AC distribution
(filter side)
2 Power supply
1 PDB board
1 I/O board
1 Processor board
1 I/O board
2 I/O board
2 I/O board
To Interconnect Description
External interface 9-pin serial port
External interface 1x4 pin USB cables
External interface RJ45 connector port
External interface 15-pin, monitor device
I/O riser Slot 1, 242—pin card edge connector
External interface 68-pin solid core twisted pair round
cable to panel mounted external
interface connector
ICMB board 2x5 pin ribbon cable
External interface 6-pin SEMCONN* connector to
shielded ICMB cable
HPIB board 2x20 flat ribbon cable
Power supply 3-pin PVC double insulated power
cage cordage (15-A AC filter on one side
and 15A IEC320 Plug on Power
Supply End)
External interface Recommend 3-pin SJT power cord
with IEC320-13 Receptacle
Power 4x6 pin signal + two blade SSI blind
Distribution mate connector
Board (PDB)
board
Midplane 4x6 pin signal + two power blade SSI
blind mate connector
Midplane 6x60 signal pins + three power blades
Midplane 6x60 signal pins + three power blades
SCSI backplane 6x24 signal pins (NOTE: SCSI
backplane side has four HDM power
blades to Midplane only)
+5 V DC-to-DC 2x35 ISA card edge connector (keyed
for 5 V)
VID DC-to-DC 2x35 ISA card edge connector (keyed
for VID)
Intel® SR870BN4 Server System Product Guide
continued