User`s manual

INSTALLATIONS
 MB770 User’s Manual  15 
IDE1, IDE2: Primary and Secondary IDE Connectors 
Signal Name Pin #  Pin #  Signal Name 
Reset IDE  1  2  Ground 
Host data 7  3  4  Host data 8 
Host data 6  5  6  Host data 9 
Host data 5  7  8  Host data 10 
Host data 4  9  10  Host data 11 
Host data 3  11  12  Host data 12 
Host data 2  13  14  Host data 13 
Host data 1  15  16  Host data 14 
Host data 0  17  18  Host data 15 
Ground 19 20 Protect pin 
DRQ0 21 22 Ground 
Host IOW  23  24  Ground 
Host IOR  25  26  Ground 
IOCHRDY 27 28  Host ALE 
DACK0 29 30 Ground 
IRQ14 31 32 No connect 
Address 1  33  34  No connect 
Address 0  35  36  Address 2 
Chip select 0  37  38  Chip select 1 
IDE1 
Activity 39 40 Ground 
Signal Name  Pin #  Pin #  Signal Name 
Reset IDE  1  2  Ground 
Host data 7  3  4  Host data 8 
Host data 6  5  6  Host data 9 
Host data 5  7  8  Host data 10 
Host data 4  9  10  Host data 11 
Host data 3  11  12  Host data 12 
Host data 2  13  14  Host data 13 
Host data 1  15  16  Host data 14 
Host data 0  17  18  Host data 15 
Ground 19 20  Key 
DRQ0 21 22 Ground 
Host IOW  23  24  Ground 
Host IOR  25  26  Ground 
IOCHRDY 27 28  Host ALE 
DACK0 29 30 Ground 
IRQ14 31 32 No connect 
Address 1  33  34  No connect 
Address 0  35  36  Address 2 
Chip select 0  37  38  Chip select 1 
Activity 39 40 Ground 
 IDE2 
Vcc 41 42 Vcc 
Ground 43 44  N.C. 










