MiTAC 7521 N - Pio Port Test Error

116
7521
7521
N/B MAINTENANCE
N/B MAINTENANCE
7.12 PIO PORT TEST ERROR
PIN DEFINITION OF PIO PORT LOOPBACK CONNECTOR FOR PIO TEST:
PIN ' STB STROBE SIGNAL PIN ' 4 AFD AUTO LINE FEED PIN ', '3 SHORT PIN '0,'6SHORT
PIN 2-9D0 - D7 PARALLEL PORT DATA BUS D0 TO D7 PIN '5 ERR ERROR AT PRINTER PIN 2, '5 SHORT PIN '','7SHORT
PIN '0 ACK ACKNOWLEDGE HANDSHANK PIN '6 INIT INITIATE OUTPUT PIN '2, ' 4 SHORT
PIN '' BUSY BUSY SIGNAL PIN '7 SLIN PRINTER SELECT
LOOPBACK CONNECTOR FOR EPP TEST:
PIN '2 PE PAPER END PIN '8 -25: SIGNAL GROUND PIN ', 2, 4, 6, 8 SHORT
PIN '3 SLCT PRINTER SELECTED PIN 3, 5, 7, 9, '6SHORT
PIN '8, '9, 20, 2', 22, 23, 24, 25 SHO RT
D/STB#
P_STB#
PD/AFD#
PD/INIT#
PD/SLIN#
PD/ACK#
PD/BUSY
PD/PE
PD/SLCT
PD/ERR#
D/AFD#
D/INIT#
D/SLIN#
D/ACK#
D/BUSY
D/PE
D/SLCT
D/ERR#
IRQ7
U27
PC97338VJG
SUPER I/O
D/LPD[0:7]
P_LPD[0:7]
When a print command is issued, printer prints nothing or garbage.
PRINTER
J505
FA1
FA2
FA3
FA4
CA3
CA4
CA5
CA6
L1
C10