參數(shù)資料
型號(hào): LSIFC929
英文描述: LSIFC929 dual channel fibre solutions
中文描述: LSIFC929雙通道光纖解決方案
文件頁(yè)數(shù): 63/144頁(yè)
文件大?。?/td> 1496K
代理商: LSIFC929
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Unsupported PCI Commands
5-7
5.4 Unsupported PCI Commands
The LSIFC909 does not respond to reserved commands, special cycle,
or interrupt acknowledge commands as a slave. It never generates these
commands as a master.
5.5 Programming Model
The LSIFC909 host programming model includes all necessary hardware
registers, shared memory and associated memory addresses from the
host (using System Addresses) viewpoint. The host programming model
consists of
PCI Configuration Registers
,
Host Interface Registers
, and a
Shared Memory
region.
5.6 PCI Configuration Registers
The configuration registers are accessible only by the system BIOS
during PCI configuration cycles, and are not available to the user at any
time. No other cycles can access these registers.
Note:
The configuration register descriptions provide general
information only, to indicate which PCI configuration
addresses are supported in the LSIFC909.
Table 5.2
shows
the PCI configuration registers implemented by the
LSIFC909. Addresses 0x48 through 0x7F are not defined.
All PCI-compliant devices, such as the LSIFC909, must support the
Vendor ID
,
Device ID
,
Command
, and
Status
registers. Support of other
PCI-compliant registers is optional. In the LSIFC909, registers that are
not supported are not writable and will return all zeros when read. Only
those registers and bits that are currently supported by the LSIFC909 are
described in this chapter. For more detailed information on PCI registers,
please see the PCI Specification.
PCI configuration space provides identification, configuration,
initialization, and error management functions for PCI devices. The
LSIFC909 provides configuration registers as defined in
Table 5.2
.
相關(guān)PDF資料
PDF描述
LSIFC929X LSIFC929X dual channel fibre solutions
LSIU160 LSIU160 Ultra160 SCSI host adapter
LSIU40HVD LSIU40HVD PCI to Dual Channel SCSI host adapter user's guide v2.2 8/02
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LSIU80LVD LSIU80LVD Ultra2 LVD SCSI host adapter
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