Service manual

PIN No. Signal name IN/OUT Connected to Description
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 Additional board (Not used)
66 OUTD1 OUT Additional board (Not used)
67 OUTD2 OUT Additional board (Not used)
68 OUTD3 OUT Additional board (Not used)
69 3.3V Power
70 OUTD4 OUT Additional board (Not used)
71 OUTD5 OUT Additional board (Not used)
72 GND Power
73 OUTD6 OUT Additional board (Not used)
74 OUTD7 OUT Additional board (Not used)
75 OUTD8 OUT Additional board (Not used)
76 OUTD9 OUT Additional board (Not used)
77 OUTD11 OUT Additional board (Not used)
78 OUTD10 OUT Additional board (Not used)
79 OUTD12 OUT Additional board (Not used)
80 OUTD13 OUT Additional board (Not used)
81 OUTD14 OUT Additional board (Not used)
82 OUTD15 OUT Additional board (Not used)
83 /HSYNC OUT FAX board (Not used)
84 /PCLPRD IN PCL board (Not used)
85 /PCLREQ OUT PCL board (Not used)
86 /PCLACK IN PCL board (Not used)
87 /PCLCS IN PCL board (Not used)
88 3.3V Power
89 GND Power
90 5V Power
91 GND Power
92 /FAXPRD IN FAX board (Not used)
93 /FAXREQ OUT FAX board (Not used)
94 /FAXACK IN FAX board (Not used)
95 3.3V Power
96 /FAXCS IN FAX board (Not used)
AL-1000/1010
12-8