13
E
・ MaximumSyncTransferRate
Usingthisoptionenablesyoutosetthemaximumsynchronoustransferrate
thatthiscardsupports.Thedefaultsettingis「40.0MB/s」.
Thiscardsupportsasynctransferrateupto40.0MB/sthatisthemaximum
valueofthe"UltraWideSCSI".WhentheSCSIdeviceinuseisanultrawide
SCSIone,thesynctransferratecansettothemaximumrateof40.0MB/s
(whenthe"SupportforUltraSCSISpeed"issetto「Enabled」andthe"Initiate
WideNegotiation"issetto「yes」).WhentheSCSIdeviceinuseisafastwide
SCSIone,themaximumrateislimitedto20.0MB/s.
Ifthiscardisnotsettonegotiatesyncdatatransfer(thatis,ifInitiateSync
Negotiationissetto「no」),themaximumsynchronoustransferrateisthe
maximumrateatwhichthiscardacceptsdatafromaSCSIdeviceduring
negotiation.
・ EnableDisconnection
ThisoptionallowsyoutospecifywhethertoenabletheSCSIdevicesothatit
canbedisconnectedfromtheSCSIbusbyusingthiscard.Ifdisconnectionis
enabled,thiscardcanperformanotheroperationusingtheSCSIbuswhilethe
SCSIdeviceistemporarilydisconnected.Thedefaultsettingis「yes」.(Ifthis
optionissetto「no」,theexternalSCSIdevicecannotbedisconnectedfrom
theSCSIbus.)
WhentwoormoreSCSIdevicesareconnectedtothiscard,youshouldleave
theEnableDisconnectionsetto「yes」.Thisoptimizestheperformanceofthe
SCSIbus.
・ InitiateWideNegotiation
Thisoptionallowsyoutodeterminewhethertousedatatransfer(Wide
Negotiation)atadatawidthof16bitsinsteadof8bits.Thedefaultsettingis
「yes」.