Table
15.
DS4000
FC2-133
host
bus
adapter
specifications
(continued)
Type
Specification
Fibre
channel
specifications
v
Fiber-optic
media
(shortwave
multimode
50
micron
cable)
v
Bus
transfer
rate:
200
MBps
maximum
at
half-duplex
and
at
400
MBps
maximum
full-duplex
v
Interface
chip:
ISP2312/ISP2340
(PCI-X
QLA23xx
boards)
v
Support
for
both
FCP-SCSI
and
IP
protocols
v
Support
for
point-to-point
fabric
connection:
F-port
Fabric
Login
v
Support
for
FC-AL
public
loop
profile:
FL-port
Login
v
Support
for
fibre
channel
services
class
2
and
3
v
Support
for
FCP
SCSI
initiator
and
target
operation
v
Support
for
full-duplex
operation
Processor
Single-chip
design
that
includes
a
RISC
processor,
fibre
channel
protocol
manager,
PCI/PCI-X
DMA
controller,
and
integrated
serializer/deserializer
(SERDES)
and
electrical
transceivers
that
can
auto-negotiate
a
data
rate
of
2
Gbps
Host
data
transfer
64-bit,
bus-master
DMA
data
transfers
to
528
MBps
RAM
256
KB
of
SRAM
supporting
parity
protection
BIOS
ROM
128
KB
of
flash
ROM
in
two
64
KB,
software
selectable
banks.
The
flash
is
field
programmable.
NVRAM
256
bytes,
field-programmable
Onboard
DMA
Five-channel
DMA
controller:
two
data,
one
command,
one
auto-DMA
request,
and
one
auto-DMA
response
Frame
buffer
FIFO
Integrated
4
KB
transmit
and
6
KB
receive
frame
buffer
first-in
first-out
(FIFO)
for
each
data
channel
Connectors
(external)
v
LC-style
connector
that
supports
non-OFC,
multimode
fiber-optic
cabling
using
a
small
form
factor
(SFF)
fiber-optic
transceiver
module.
v
Total
cable
length
cannot
exceed
500
m
Form
factor
5.15
cm
x
16.75
cm
(2.5
in.
x
6.7
in.)
Operating
power
Less
than
15
watts
Chapter
5.
DS4000
FC2-133
Host
Bus
Adapter
19
Summary of Contents for System Storage DS4000
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