IBM XT 5160 Technical Reference page 416

pause key 4-42
POP 6-8
POPF 6-9
POR (power-on reset) 4-25
power good signal 3-5, 3-8
power-on reset 4-25
power-on routine 4-25
basic assurance test 4-25
BAT (basic assurance
test) 4-25
POR (power-on
reset) 4-25
power-on reset 4-25
power-on self test 4-4
power requirements 4-51
power supply
connectors 1-32
power supply (system) 3-3
connectors 3-6, 3-9
input requirements 3-4,
3-7
outputs 3-4, 3-8
overvoltage/overcurrent
protection 3-5
pin assignments 3-6, 3-9
power good signal 3-5,
3-8
PPI 1-26
print screen key 4-11, 4-42
priorities, shift key 4-41
processor control, 8087 6-29
Programmable Peripheral
Interface 1-26
protocol 4-25
PUSH 6-7
PUSHF 6-9
QSO (coprocessor) 2-4
QS 1 (coprocessor) 2-4
quick reference charts 7-14
quick reference, character
set 7-14
RAM modules 1-12
RAM subsystem 1-12
rate, typematic 4-24
RCL 6-14
RCR 6-14
read command I/O
channel 1-22
read memory command
(-MEMR) 1-23
ready (RDY), I/O
channel 1-22
real numbers
(coprocessor) 2-3, 2-4
refresh request
generator 1-10
REP 6-15
request interrupt 2 to 7
(IRQ2-IRQ7) 1-22
reserved interrupts
BASIC and DOS 5-7
Reset command 4-26
RESET DRV, I/O
channel 1-23
reset, power-on 4-25
reset, system 4-42
RET 6-17
ROL 6-13
ROM scan codes 4-33
ROM subsystem 1-13
Index-7