B-6
Sun Fire E2900 System Service Manual • May 2006
B.4.1
SCSI Implementation
For PCI compatible IB_SSC assemblies the embedded SCSI subsystem is:
■
SCSI Fast-160 (UltraSCSI) low-voltage differential parallel interface
■
16-bit SCSI bus
■
160-MBps data transfer rate
Maximum cable length (terminator to terminator) support is 82 ft. (25 meter) for
low-voltage differential, point-to-point interconnect.
.For PCI+ and PCI-X compatible IB_SSC assemblies the embedded SCSI subsystem
is:
■
SCSI Ultra-320 (UltraSCSI) low-voltage differential parallel interface
■
16-bit SCSI bus
■
320-MBps data transfer rate
Maximum cable length support is 33 ft. (10 meters).
B.5
10/100 LOM/System Controller
Ethernet Connector
illustrates the RJ-45 system controller and Ethernet connector and its icon.
describes the pinouts for the twisted-pair Ethernet connector.
21
+ATN
I/O
44
–DB(4)
I/O
67
–DB(10)
I/O
22
Ground
GND
45
–DB(5)
I/O
68
–DB(11)
I/O
23
+BSY
I/O
46
–DB(6)
I/O
TABLE B-4
68-Pin SCSI Connector Pinouts
(Continued)
Pin No.
Signal Name
Type
Pin No.
Signal Name
Type
Pin No.
Signal Name
Type
Содержание 817-4054-15
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