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Technical Reference Guide
Compaq Deskpro 2000 Personal Computers
with MMX Technology
First Edition – July 1997
I-1
INDEX
I.
abbreviations, 1-3
acronyms, 1-3
administrator password, 4-44
analog-to-digital converter (ADC), D-4
APM BIOS functions, 8-19
architecture, system, 2-8
ASCII character set, B-1
AT attachment (ATA), 5-3
audio card, D-1
battery replacement, 4-25
BIOS ROM, 2-10
BIOS, graphics, 6-2
BIOS, ROM, 8-1
boot block ROM, 8-2
bus frequency, 3-4
Bus Masters (PCI), 4-3
bus/core speed configuration, 3-4
bus/core speed ratio, 3-4
cache, L1, L2, 2-10
cache, secondary (L2), 3-5
Client Management BIOS function, 8-5
clock distribution, 4-23
CMOS, 4-24
CMOS, accessing, 8-3
configuration (ISA), 4-22
Configuration Cycle, 4-5
configuration memory, 4-24
Connector
Audio, CD, D-3
Audio, Headphone Out, D-2
Audio, Line In, D-2
Audio, Line Out, D-2
Audio, Mic In, D-2
Audio, Speaker, D-3
diskette drive interface, 5-13
display (monitor), 6-6
IDE interface, 5-8
IDE/diskette drive power, 7-3
ISA bus, 4-12
keyboard/pointing device interface, 5-33
parallel interface, 5-26
PCI bus, 4-10
serial interface (RS-232), 5-14
Universal Serial Bus interface, 5-35
VGA pass-through (feature), 6-4, 6-5
digital-to-analog converter (DAC), D-5
DIMM sockets, 3-2
DIMM support, 8-13
diskette drive interface, 5-9
DMA, 4-15
drive fault prediction, 8-12
EIDE interface, 5-1
Enhanced Parallel Port (EPP), 5-21
error codes, A-1
error messages, A-1
expansion module, graphics memory, 6-5
Extended Capabilities Port (ECP), 5-21
features, standard, 2-2
flash ROM, 4-44
floating point unit (math coprocessor), 3-3
FM synthesis, D-7
GPIO, 3-4
graphics controller, 6-2
graphics subsystem, 6-1
hard drive spindown, 4-45
Host bus, 2-8
I/O map, 4-41
I2C bus, 3-6
IDE interface, 5-1
index addressing, 1-2
integrated graphics controller, 6-2
interrupts
maskable (IRQn), 4-18
nonmaskable (NMI, SMI), 4-20
interrupts, PCI,
4-8
interval timer, 4-22
ISA bus, 2-8
ISA bus, overview, 4-11
jumper, power-on password disable, 4-44
key (keyboard) functions, C-7
keyboard, C-1
keyboard (micro)processor, C-2
keyboard layouts, C-4
keyboard/pointing device interface, 5-27
math coprocessor, 3-3
media write protect function (BIOS), 8-15
memory map
586-based system, 3-8