Appendix B
Signal Descriptions
127
A23
sb_siz<1>
I/O
B23
sb_siz<2>
I/O
A24
sbd<31>
I/O
B24
sb_siz<0>
I/O
A25
VCC
vcc
B25
sbd<30>
I/O
A26
sbd<28>
I/O
B26
sbd<29>
I/O
A27
sbd<26>
I/O
B27
sbd<27>
I/O
A28
sbd<24>
I/O
B28
sbd<25>
I/O
A29
sbd<23>
I/O
B29
GND
gnd
A30
sbd<21>
I/O
B30
sbd<22>
I/O
A31
sbd<19>
I/O
B31
sbd<20>
I/O
A32
VCC
vcc
B32
sbd<18>
I/O
A33
sbd<16>
I/O
B33
sbd<17>
I/O
A34
sbd<14>
I/O
B34
sbd<15>
I/O
A35
sbd<12>
I/O
B35
sbd<13>
I/O
A36
sbd<11>
I/O
B36
GND
gnd
A37
sbd<9>
I/O
B37
sbd<10>
I/O
A38
sbd<7>
I/O
B38
sbd<8>
I/O
A39
VCC
vcc
B39
sbd<6>
I/O
A40
sbd<4>
I/O
B40
sbd<5>
I/O
A41
sbd<2>
I/O
B41
sbd<3>
I/O
A42
sbd<0>
I/O
B42
sbd<1>
I/O
A43
sb_as*
I/O
B43
GND
gnd
A44
sb_bg<0>
O
B44
sb_br<0>
I/O
A45
B45
sb_clk3
O
A46
fb_sel*
O
B46
sb_intr<5>
I/O
A47
spkr-b
O
B47
spkr-a
O
A48
tab_tx
O
B48
tab_rx
I
A49
brightness
O
B49
VGND
gnd
A50
VGND
gnd
B50
VID_RED
I
A51
VID_SENSE0
O
B51
VGND
gnd
A52
VID_SENSE1
O
B52
VID_GREEN
O
TABLE B-5
CPU to Video Board Pin Assignments
Pin
Name
I/O
Pin
Name
I/O
Summary of Contents for SPARCstation Voyager
Page 9: ...Contents ix test memory 146 power off 147 Glossary 149...
Page 10: ...x SPARCstation Voyager Service Manual December 1994...
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