User Guide

Hardware and Software Design • Manufacturing Services
P a g e 30
Loop-back
The Engineering kit has reference software, which includes an external loop-back
test. The PS2 version of the PMC-BiSerial II utilizes a 68 pin SCSI II front panel
connector. The test requires an external cable with the following pins connected.
SIGNALs + - + -
Tx/Rx Clock 0 9 43 28 62
Tx/Rx Data 0 7 41 21 55
Tx/Rx Strobe 0 11 45 3 37
Tx/Rx Clock 1 1 35 30 64
Tx/Rx Data 1 14 48 22 56
Tx/Rx Strobe 1 6 40 5 39
Tx/Rx Clock 2 2 36 32 66
Tx/Rx Data 2 16 50 24 58
Tx/Rx Strobe 2 12 46 8 42
Tx/Rx Clock 3 4 38 34 68
Tx/Rx Data 3 17 51 26 60
Tx/Rx Strobe 3 19 53 10 44
Parallel Port
P0 - P4 13 47 23 57
P1 - P5 15 49 25 59
P2 - P6 18 52 27 61
P3 - P7 20 54 29 63