参数资料
型号: 37C669
厂商: SMSC Corporation
英文描述: DIODE SCHOTTKY SINGLE 25V 200mW 0.5V-vf 200mA-IFM 30mA-IF 2uA-IR SOD-323 3K/REEL
中文描述: 电脑98/99顺从超级I / O软盘控制器与红外线支持
文件页数: 23/164页
文件大小: 621K
代理商: 37C669
119
;-----------------------------.
; ENTER CONFIGURATION MODE
|
;-----------------------------'
MOV
DX,3F0H
MOV
AX,055H
;
CLI
; disable interrupts
OUT
DX,AL
OUT
DX,AL
STI
; enable interrupts
;-----------------------------.
; CONFIGURE REGISTERS CR0-CRx
|
;-----------------------------'
MOV
DX,3F0H
MOV
AL,00H
OUT
DX,AL ; Point to CR0
MOV
DX,3F1H
MOV
AL,3FH
OUT
DX,AL ; Update CR0
;
MOV
DX,3F0H
;
MOV
AL,01H
OUT
DX,AL ; Point to CR1
MOV
DX,3F1H
MOV
AL,9FH
OUT
DX,AL ; Update CR1
;
; Repeat for all CRx registers
;
;-----------------------------.
; EXIT CONFIGURATION MODE
|
;-----------------------------'
MOV
DX,3F0H
MOV
AX,0AAH
OUT
DX,AL
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