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ISP2312 Data Sheet
Dual 2-Gb Fibre Channel to 133-MHz PCI-X Controller
The ISP2312 is a highly integrated single-chip,
dual-channel, bus master, Fibre Channel processor
that targets storage, clustering, and networking
applications. This chip connects a conventional PCI
bus or PCI-X bus to a 2-Gb Fibre Channel loop or to
a point-to-point Fibre Channel port.
The ISP2312 is a fully autonomous device,
capable of managing multiple I/O operations and
associated data transfers from start to finish without
host intervention.
The ISP2312 balances the advanced bus speeds
and efficiency of PCI-X with exceptional 2-Gb Fibre
Channel performance. Fibre Channel support for
SCSI, IP, and VI allows the ISP2312 to target a wide
spectrum of storage and system area networks
(SANs).
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Features
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66/133-MHz, 64-bit, true multifunction PCI-X
host bus interface
Backward compatible to standard 33/66-MHz
PCI
5-V tolerant PCI interface
Compliance with
PCI Local Bus Specification
revision 2.2 and
PCI-X Specification
revision
1.0a
Supports Fibre Channel-arbitrated loop
(FC-AL), FC-AL-2, point-to-point, and switched
fabric topologies
Supports full-duplex communications in all
Fibre Channel topologies
Supports Fibre Channel protocol-SCSI
(FCP-SCSI), Fibre Channel Internet protocol
(IP), and Fibre Channel-virtual interface
(FC-VI) protocol
Compliance with
PCI Bus Power Management
Interface Specification
Revision 1.1 (PC99)
Compliance with ANSI SCSI standards for
class 1, class 2, class 3, and intermix Fibre
Channel service:
鉂?/div>
Second Generation FC Generic Services
Definition
(FC-GS-2), NCITS 288.200x,
Project 1134-D, revision 5.3
鉂?/div>
Third Generation FC Generic Services
Definition
(FC-GS-3) draft, revision 6.2
鉂?/div>
Fibre Channel-Physical and Signaling
Interface
(FC-PH), X2.230:1994
鉂?/div>
SCSI-3 Fibre Channel Protocol
(SCSI-FCP), X3.269:1996
鉂?/div>
Fibre Channel-Arbitrated Loop-2
(FC-AL-2), Project 1133-D, revision 6.5
鉂?/div>
Fibre Channel-Private Loop Direct Attach
Technical Report
(FC-PLDA),
NCITS/TR-19:1998
鉂?/div>
SCSI-3 Architecture Model
(SAM),
X3T10/994D/Rev 18
鉂?/div>
SCSI-3 Controller Command Set,
X3T10/Project 1047D/Rev 6c
Two concurrently operating 2 Gbps capable
Fibre Channel nodes
Supports up to 400 MBps sustained Fibre
Channel data transfer rate
Supports SCSI initiator, initiator/target, and
target modes
Onboard, enhanced RISC processor
Onboard 2-Gb serial transceivers
Automatically negotiates the Fibre Channel bit
rate (1 or 2 Gb)
Supports PCI dual-address cycle and cache
commands
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83312-580-00 B
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