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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(jī)適配器用戶指南1.0版 |
| 文件頁數(shù)： | 32/88頁 |
| 文件大?。?/td> | 1211K |
| 代理商： | SYM22902 |
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2-16
Installing the SYM22902 Host Adapter
2.2.5 SCSI Bus Termination
The devices making up the SCSI bus are connected serially (chained
together) with SCSI cables. The first and last physical SCSI devices
connected on the ends of the SCSI bus must have their terminators
active. All other SCSI devices on the bus must have their terminators
removed or disabled.
Termination control has three build options to allow three modes of
termination. The three options are:
Termination is always on.
Termination can be disabled by placing a manual shunt over both
posts on each channel. When the shunt is off, the terminator is
active. When the shunt is on both posts, the terminator for that
channel is disabled.
Termination can be enabled or disabled for a specific channel using
software control with GPIO3 and/or the manual shunt method.
LVD peripheral devices are normally terminated with external
terminators, but are sometimes set with jumpers or with a switch on the
peripheral. Refer to the peripheral manufacturer’s instructions and to the
user’s manual for your computer for information on how to identify the
terminator setting of each device and how to change it.
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