參數資料
型號: LSI53C141
英文描述: LSI53C141 SCSI Bus Expander technical manual v2.1 11/00
中文描述: LSI53C141 SCSI總線擴展技術手冊2.1 11/00
文件頁數: 109/166頁
文件大?。?/td> 1330K
代理商: LSI53C141
SAF-TE Read Buffer Commands
4-11
4.2.2.1 Fan Status
For each fan in the enclosure, the configuration program defines whether
the fan status is determined by either one or two input MPIO pins, or by
an LM78. The Read Enclosure Configuration (
0x
00) command indicates
whether fans are attached. If no fans are attached, this field is truncated
from the Read Enclosure Status return values shown in
Table 4.7
. Based
upon the input status, the LSI53C040 will return values.
Table 4.8
shows
these values:
The configuration program maps what response above should be
returned for a single-bit input pattern of 0 or 1 and for a dual-input bit
pattern of 0x00, 0x01, 0x10, or 0x11, or by the value read from the LM78.
4.2.2.2 Power Supply Status
For each power supply in the enclosure, the configuration program has
defined whether the power supply status is determined by either one or
two input MPIO pins, or by an LM78. The Read Enclosure Configuration
(
0x
00) command indicates whether power supplies are present. If no
power supplies are present, this field is truncated from the Read
f + p + d + t + 3 Temperature Out of Range
Flags 2
See
Section 4.2.2.7, “Temperature Out Of Range,”
page 4-14
.
f + p + d + t + 4 Number of Vendor Specific
Bytes
0x00
f + p + d + t + 5 Vendor Specific
Not supported
Table 4.7
Read Enclosure Status Return Values (Cont.)
Byte
Field Description
Notes
Table 4.8
Fan Status Return Values
Value
Status
0x00
Fan is operational
0x01
Fan is malfunctioning
0x02
Fan is not installed
0x80
Unknown status, or status not reportable
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