MiTAC 7521 PLUS/N - Manual (Page 131)

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7521 7521 Plus / N N/B MAINTENANCE Plus / N N/B MAINTENANCE
8.12 PIO PORT TEST ERROR
When a print command is issued, printer prints nothing or garbage.
D/STB# P_STB#
P_D/AFD#
P_D/INIT#
P_D/SLIN#
P_D/ACK#
P_D/BUSY
P_D/PE
P_D/SLCT
P_D/ERR#
D/AFD#
D/INIT#
D/SLIN#
D/ACK#
D/BUSY
D/PE
D/SLCT
D/ERR#
U27
PC97338VJG
SUPER I/O
P_LPD[0:7]
J505
FA1
FA2
FA3
FA4
L1
SH19
CA3,CA4,CA5,CA6,C5
SH19
IRQ7
PRINTER
D/LPD[0:7]
PIN D E FIN IT IO N O F PIO PO R T L O O PB A C K C O N N E C T O R FO R PIO T E ST :
PIN 1 ST B ST R O B E SIG N A L PIN 14 A FD A U T O L IN E FE E D PIN 1, 13 SH O R T PIN 1 0,16 SH O R T
PIN 2-9 D 0 - D 7 PA R A L L E L PO R T D A T A B U S D 0 T O D 7 PIN 15 E R R E R R O R A T PR IN T E R PIN 2, 15 SH O R T PIN 11,17 SH O R T
PIN 10 A C K A C K N O W L E D G E H A N D SH A N K PIN 16 IN IT IN IT IA T E O U T PU T PIN 12, 14 SH O R T
PIN 11 B U SY B U SY SIG N A L PIN 17 SL IN PR IN T E R SE L E C T L O O PB A C K C O N N E C T O R FO R E PP T E ST :
PIN 12 PE PA PE R E N D PIN 18-25: SIG N A L G R O U N D PIN 1, 2, 4, 6, 8 SH O R T
PIN 13 SL C T PR IN T E R SE L E C T E D PIN 3, 5, 7, 9, 16 SH O R T
PIN 18, 19, 20, 21, 22, 23, 24, 25 SH O R T