參數(shù)資料
型號: DS2109
英文描述: Plug and Play SCSI Terminator
中文描述: 即插即用的SCSI終結(jié)者
文件頁數(shù): 2/10頁
文件大?。?/td> 85K
代理商: DS2109
DS2109
022698 2/10
REFERENCE DOCUMENTS
SCSI–2 (X3.131–1994)
SCSI–3 Parallel Interface (X3T10/855D)
Available from: Global Engineering Documents
15 Inverness Way East
Englewood, CO 80112–5704
Phone: (800) 854–7179,(303) 792–2181
Fax: (303) 792–2192
PnP SCSI Specification
PnP ISA Specification
PnP BIOS Specification
PnP Option ROM Specification
Available from: Plug and Play forum on
CompuServe (Go plugplay).
FUNCTIONAL DESCRIPTION
The DS2109 is designed to be a single chip termination
subsystem for use in PnP SCSI systems, Figure 1.
When embedded on a host bus adapter or mother-
board, the DS2109 can automatically sense the ter-
mination status of the SCSI bus and attach or isolate its
resistors as needed to maintain proper bus termination.
External and internal active termination can be provided
by the DS21S07A.
DS2109 APPLICATION ENVIRONMENT
Figure 1
PERIPHERAL
SUBSYSTEM
TEXTERNAL
(TWO DS21S07A)
DS2109 AUTOMATIC
EXIT–POINT TERMINATOR
HOST SCSI
PROTOCOL CHIP
PDEVICES
TINTERNAL
(TWO DS21S07A)
SCCABLES
SCSCABLE
50–POSITION
CONNECTORS
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