參數(shù)資料
型號: LSI53C140
英文描述: LSI53C140 Ultra2 SCSI Bus Expander technical manual v2.1 9/01
中文描述: LSI53C140 Ultra2 SCSI總線擴展器技術(shù)手冊2.1 9 / 01
文件頁數(shù): 121/166頁
文件大?。?/td> 1330K
代理商: LSI53C140
SAF-TE Write Buffer Commands
4-23
4.3.3.1 Audible Alarm Control
This bit is set to sound an alarm. If a controllable alarm is selected in the
configuration program, setting this bit will sound the alarm. The alarm is
turned off by clearing this bit.
4.3.3.2 Global Failure and Warning Indication
These bits are set to indicate a global failure or warning condition. If the
Global Enclosure Status LED option is selected in the configuration
program, setting of either the Global Failure or Warning Indication bits
will drive the assigned LED as shown in
Table 4.19
:
Byte 1
(Global Flag 1)
7
Drive Warning
Drives LED
Byte 2
(Global Flag 2)
0
Array Failure
Drives LED
1
Array Warning
Drives LED
2
Enclosure Lock
Drives/Monitors an MPIO pin connected to
a door lock
3
Identify Enclosure
Drives LED
[4:7]
Reserved
Byte 3
(Global Flag 3)
[0:7]
Reserved
Table 4.18
Send Global Flag Bytes (Cont.)
Byte
Bit
Global Bit Descriptions
LSI53C040 Action
Table 4.19
Global Failure/Global Warning LED Options
Global Failure
Global Warning
LED
0
0
Off
0
1
Slow
1
0
Fast
1
1
On
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