參數(shù)資料
型號: SYM22902
英文描述: SYM22902 PCI to Ultra2 SCSI Dual Channel low profile PCI host adapter user's guide v1.0
中文描述: SYM22902 PCI到Ultra2的SCSI雙通道高PCI主機適配器用戶指南1.0版
文件頁數(shù): 12/88頁
文件大?。?/td> 1211K
代理商: SYM22902
1-2
Using the SYM22902 Low Profile PCI Host Adapter
installation instructions to help you gain the full benefits of your
SYM22902 PCI to Ultra2 SCSI Dual Channel Low Profile PCI Host
Adapter.
1.2 Features
This section provides an overview of the PCI Interface, the SCSI
Interface, and Board Characteristics for the SYM22902 host adapter
board.
1.2.1 PCI Interface
The PCI interface operates as a 32-bit or 64-bit DMA bus master, where
the connection is made through the J1 edge connector. The PCI portion
of the SYM53C896 Dual Channel Ultra2 controller is powered from the
host system PCI + 3.3 V power rail. The implementation is PCI 2.2
compliant.
The PCI interface includes these features:
Supports 64-bit or 32-bit (33 MHz) DMA bus master
Bursts 2 to 128 Dwords across PCI bus
Prefetches up to 8 Dwords of SCRIPTS instructions
Supports PCI Write and Invalidate, Read Line, and Read Multiple
commands
Provides zero wait-state bus master data bursts
Includes PCI Universal 3.3 V/5 V bus support
1.2.2 SCSI Interface
The SCSI interface is made through connector J2 for Channel A and J4
for Channel B. Connector J2 is a 68-pin VHDCI right-angle receptacle
that protrudes through the Low Profile PCI or Standard ISA/EISA bracket.
Connector J4 is a 68-pin high density receptacle, either right-angle
nonlatching or vertical with/without latches, for internal SCSI connection.
See
Figure 2.1
for the location of these connectors.
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