Technical information

53
Index
Numerals
16C450 serial port IC 27
80486DX2 microprocessor 14
8242 keyboard controller IC 28
82C450 VGA controller IC 26
84031memory controller IC 17, 18, 19–20
84035 data path controller IC 17, 20–21
reset logic in 21
A
abbreviations xi–xii
AJA bus controller IC 29
APDA x
AT/ISA bus 12
audio signals 31
autoconfiguration of the PC 29
B
big-endian addressing 15
BIOS 20
block diagrams
detailed 12
simplified 4
burst transfers 30
bus arbitration 18–19
bus demultiplexing 30
bus errors, on the PC 18
byte order 15
byte swapping 15
C
cache snooping 15
card assembly 2
clock signals 20, 21
close routine 34
configuring the PC 34
connectors
joystick 9
monitor 8
serial port 6
CT2501 sound system IC 30
D, E
data misalignment 15, 17
DMA 3, 18, 27
DMA channels
for I/O transfers 27
for memory access 27
DMA data register 18
DRAM
access time of 19
control of 19
F
features, summary of 2
floppy disk 6
G
game controller 9
H
hard disk 6
I
interrupt control 21
interrupts 17
interrupt status register 18
I/O devices 6
I/O system 26–29
ISA bus control 20
Thi d t t d ith F M k 4 0 4