Signal

Record

Emulate

P?

245

245

J1

Reduced write/Head sel 3

Out, slow

P9-17

gpio0_5

In, med

U1-2

U1-18

J1-2

J1 odd ground

Head 2

Out, slow

P9-18

gpio0_4

In, med

U1-3

U1-17

J1-4

Write gate

Static

P9-31

r30/r31_0

In, fast

U1-4

U1-16

J1-6

Jumper

Seek complete

In, med

P9-30

r30/31_2

Out, med

U2-18

U2-2

J1-8

Track 0

In, slow

P9-24 P9-11

r31_16 gpio0_30

Out, med

U2-17

U2-3

J1-10

Write fault

In, fast

P9-28

r30/31_3

Out, static

U2-16

U2-4

J1-12

Head 0

Out, slow

P9-22

gpio0_2

In,med

U1-5

U1-15

J1-14

Head 1

Out, slow

P9-21

gpio0_3

In, med

U1-6

U1-14

J1-18

Index

In, fast

P9-27

r30/r31_5

Out, med

U2-15

U2-5

J1-20

Ready

In, med

P9-42.1

r30/r31_4

Out, med

U2-14

U2-6

J1-22

Step

Out, fast

P9-25

r30/31_7

In, med

U1-7

U1-13

J1-24

Drive sel 1

Out, slow

P8-19

gpio0_22

In, slow

U3-2

U3-18

J1-26

Drive sel 2

Out, slow

P8-13

gpio0_23

In, slow

U3-3

U3-17

J1-28

Drive sel 3

Out, slow

P8-14

gpio0_26

In, slow

U3-4

U3-16

J1-30

Drive sel 4

Out, slow

P8-17

gpio0_27

In, slow

U3-5

U3-15

J1-32

Direction in

Out, med

P9-41

r30/r31_6

In, med

U1-8

U1-12

J1-34

Drive selected

In, med

P9-29

r30/31_1

Out, med

U2-13

U2-7

J2-1

MFM write

Out, fast

P8-15

Out, PWM

U5-1

U5-2

J2-13

422 driver

RX/TX swapped by jumpers

U5-3

J2-14

MFM read

In, ECAP

P8-15

In, ECAP

800ohm pulldown

U4-3

422 rx

U4-2

J2-17

U4-1

J2-18

P9-12, gpio1-28

P9-14, gpio1-18

8 slow out

0 slow out

U4-4

U5,4

2 fast out

5 med/fast out

1 slow in

4 slow in

5 med/fast in

7 med/fast in

U5-7, U5-12

PRU 0 free 30/31-14, 31-16