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PIN No.
Signal name
IN/OUT
Connected to
Description
47
GND
Power
48
MAD1
OUT
DRAM
Address bus of DRAM (page memory)
49
MAD2
OUT
DRAM
Address bus of DRAM (page memory)
50
MAD3
OUT
DRAM
Address bus of DRAM (page memory)
51
MAD4
OUT
DRAM
Address bus of DRAM (page memory)
52
MAD5
OUT
DRAM
Address bus of DRAM (page memory)
53
MAD6
OUT
DRAM
Address bus of DRAM (page memory)
54
MAD7
OUT
DRAM
Address bus of DRAM (page memory)
55
MAD8
OUT
DRAM
Address bus of DRAM (page memory)
56
MAD9
OUT
DRAM
Address bus of DRAM (page memory)
57
3.3V
Power
58
MAD10
OUT
DRAM
Address bus of DRAM (page memory)
59
MAD11
OUT
DRAM
Address bus of DRAM (page memory)
60
GND
Power
61
/CAS0
OUT
DRAM
CAS signal of DRAM (page memory)
62
/CAS1
OUT
DRAM
CAS signal of DRAM (page memory)
63
/OE
OUT
DRAM
Read enable signal of DRAM (page memory)
64
/WE
OUT
DRAM
Write enable signal of DRAM (page memory)
65
OUTD0
OUT
FAX board data bus
Transmission data 0 to expanded board
66
OUTD1
OUT
FAX board data bus
Transmission data 1 to expanded board
67
OUTD2
OUT
FAX board data bus
Transmission data 2 to expanded board
68
OUTD3
OUT
FAX board data bus
Transmission data 3 to expanded board
69
3.3V
Power
70
OUTD4
OUT
FAX board data bus
Transmission data 4 to expanded board
71
OUTD5
OUT
FAX board data bus
Transmission data 5 to expanded board
72
GND
Power
73
OUTD6
OUT
FAX board data bus
Transmission data 6 to expanded board
74
OUTD7
OUT
FAX board data bus
Transmission data 7 to expanded board
75
OUTD8
OUT
FAX board data bus
Transmission data 8 to expanded board
76
OUTD9
OUT
FAX board data bus
Transmission data 9 to expanded board
77
OUTD10
OUT
FAX board data bus
Transmission data 10 to expanded board
78
OUTD11
OUT
FAX board data bus
Transmission data 11 to expanded board
79
OUTD12
OUT
FAX board data bus
Transmission data 12 to expanded board
80
OUTD13
OUT
FAX board data bus
Transmission data 13 to expanded board
81
OUTD14
OUT
FAX board data bus
Transmission data 14 to expanded board
82
OUTD15
OUT
FAX board data bus
Transmission data 15 to expanded board
83
/HSYNC
OUT
PCL, FAX board
Horizontal sync signal with print area output only
84
/PCLPRD
IN
PCL board
Print video data (serial) from PCL board
85
/PCLREQ
OUT
PCL board
DREQ signal to PCL board
86
/PCLACK
IN
PCL board
ACK signal from PCL board
87
/PCLCS
IN
PCL board
88
3.3V
Power
89
GND
Power
90
5V
Power
91
GND
Power
92
/FAXPRD
IN
FAX board
Print video data (serial) from FAX board
93
/FAXREQ
OUT
FAX board
DREQ signal to FAX board
94
/FAXACK
IN
FAX board
ACK signal from FAX board
95
3.3V
Power
AR-F151
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