IBM 5150 Technical Reference page 306

-I/O CH CK 1-21
-lOR 1-22
-lOW 1-22
-MEMR 1-22
-MEMW 1-22
AEN 1-20
ALE 1-20
AO-A19 1-20
CLK 1-20
DRQ1-DRQ3 1-21
DO-D7 1-21
I/O CH RDY 1-21
IRQ2-IRQ7 1-22
OSC 1-23
RESET DRV 1-23
T/C 1-23
software interrupt listing (8088) 5-6
speaker circuit 1-25
speaker drive system 1-25
system board
data flow diagrams 1-5
diagram 1-16
logic diagrams 1-36
system clock (CLK), I/O channel 1-20
system reset 5-20
system ROM BIOS 5-29
T
terminal count (T/C), I/O channel 1-23
typematic 4-3
vectors with special meanings 5-6
Index-7
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