參數(shù)資料
型號: PD6710
廠商: Intel Corp.
英文描述: ISA-to-PC-Card (PCMCIA) Controllers
中文描述: ISA -到- PC卡(PCMCIA)的控制器
文件頁數(shù): 76/138頁
文件大?。?/td> 723K
代理商: PD6710
PD6710/
22
ISA-to-PC-Card (PCMCIA) Controllers
76
Datasheet
Bit 1
Speaker Is LED Input
This bit changes the function of the BVD2/-SPKR/-LED pin (see
Table 2 on page 20
) from digital
speaker input to disk status LED input. When in I/O Card Interface mode or ATA mode, setting this
bit to
1
reconfigures the BVD2/-SPKR/-LED input pin to serve as a -LED input from the socket.
Note:
This bit should be set to
0
if in Memory Card Interface mode.
Bit 3
A21
In ATA mode, the value in this bit is applied to the ATA A21 pin and is vendor-specific. Certain
ATA drive vendor-specific performance enhancements beyond the PC Card Standard may be
controlled through use of this bit. This bit has no hardware control function when not in ATA mode.
Bit 4
A22
In ATA mode, the value in this bit is applied to the ATA A22 pin and is vendor-specific. Certain
ATA drive vendor-specific performance enhancements beyond the PC Card Standard may be
controlled through use of this bit. This bit has no hardware control function when not in ATA mode.
Bit 5
A23/VU
In ATA mode, the value in this bit is applied to the ATA A23 pin and is vendor-specific. Certain
ATA drive vendor-specific performance enhancements beyond the PC Card Standard may be
controlled through use of this bit. This bit has no hardware control function when not in ATA mode.
Bit 6
A24/M/S*
In ATA mode, the value in this bit is applied to the ATA A24 pin and is vendor-specific. Certain
ATA drive vendor-specific performance enhancements beyond the PC Card Standard may be
controlled through use of this bit. This bit has no hardware control function when not in ATA mode.
Bit 7
A25/CSEL
In ATA mode, the value in this bit is applied to the ATA A25 pin and is vendor-specific. Certain
ATA drive vendor-specific performance enhancements beyond the PC Card Standard may be
controlled through use of this bit. This bit has no hardware control function when not in ATA mode.
0
Normal operation.
1
The PC Card -SPKR pin will be used to drive IRQ12 if Drive LED Enable (see
Bit 4
Drive
LED Enable
on page 73
) is set.
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