W83759A
CRX80h (POSS1)
Read Only
Power-on Setting Status 1
Bit7
Bit6
SP1
Bit5
Bit4
MD0
Bit3
Bit2
Bit1
IDEN1
Bit0
ADV
MD1
PRDYEN SRDYEN
IDEN0
Bit 7
Bit 6
ADV
Power-on setting value of ADV pin
Initial application mode
0
1
No advanced mode application
Advanced mode application
SP1
Power-on setting value of IDEA0 pin
Select VESA bus operating CLK
0
1
VLCLK 33 MHz
VLCLK > 33 MHz
Bit 5, 4 MD1, MD0
Power-on setting value of IDEA2, IDEA1 pin
Default HDD host transfer mode
MD1 MD0
0
0
1
1
0
1
0
1
Mode 0 (cycle time = 600 nS)
Mode 0+ (cycle time = 500 nS)
Mode 1 (cycle time = 400 nS)
Mode 2 (cycle time = 240 nS)
Bit 3
Bit 2
PRDYEN
SRDYEN
Power-on setting value of IDE0CS0 pin
Initial state of primary channel IOCHRDY flow control
0
1
Disable IOCHRDY flow control
Enable IOCHRDY flow control
Power-on setting value of IDE0CS1 pin
Initial state of secondary channel IOCHRDY flow control
0
1
Disable IOCHRDY flow control
Enable IOCHRDY flow control
Bit 1, 0
IDEN1, IDEN0
Power-on setting value of IDE1CS1, IDE1CS0 pins
Initial state of IDE ENable control
when ADV_P
= 0
IDEN1
IDEN0
Primary IDE
disabled
enabled
Secondary IDE
disabled
X
0
1
0
1
1
disabled
enabled
enabled
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