IBM AT 5170 Technical Reference page 497

virtual address mode
1-4, 2-5
Y
W
YL2XPI
6-27
~
WAIT 6-17
Z
wait condition 9-17
wait loop classes 9-17
workspace, default
zero wait state
1-36
segment
5-9
write current, diskette
9-7
Numerals
X
OWS 1-36
2XMl 6-26
XCHG 6-4
80286
1-4
XLAT 6-5
8042 1-42
XOR 6-11
82288 1-32
~
8237A-5 1-9
8254-2 1-22
8259A
Interrupt
1-12
Index-II