![](https://pdfstore-manualsonline.prod.a.ki/pdfasset/9/f6/9f6368e0-f52b-4211-9d28-b7640d192c32/9f6368e0-f52b-4211-9d28-b7640d192c32-bg8f.png)
Index
A
acoustical readings,
specifications 1-9
address 20 gate 2-30
address and NMI mask register,
RT/CMOS 2-20
address map, system board I/O 1-5
address map–RT/CMOS RAM 2-19
air temperature, specifications 1-8
alternative method of resetting 2-30
altitude, specifications 1-8
anticipated page miss 1-7
audio subsystem 3-7
B
battery 2-25
battery pack, specifications 1-11
boot
selectable drive-startup
sequence 2-33
bus adapter 2-3
bus master access to system board
RAM, specifications 1-7
C
cables 1-8
cache memory operation 2-2
CD-ROM drive 1-2
CMOS RAM 2-29
CMOS RAM configuration 2-25
CMOS RAM subsystem 1-3
compatibility
hardware 2-34
configuration CRC bytes, RT/CMOS
RAM 2-28
connectors
external bus 2-9
hard disk drive 2-8
keyboard 2-4
connectors
(continued)
mouse 2-4
PCMCIA 3-11
system board DIMM 2-18
UltraBay II 2-12
control ports, system 2-30, 2-31
crystal audio subsystem 3-7
D
data register, RT/CMOS 2-20
date-century byte, RT/CMOS RAM
configuration 2-28
depth, system unit 1-8
devices–system board 1-3
diagnostic status byte, RT/CMOS
RAM configuration 2-25
DIMM 2-16, 2-18
diskette drive type byte 2-26
diskette drive/controller 2-15
display operating mode 2-27
displayable characters 2-7
DMA controller 1-3, 1-7
E
EEPROM subsystem 1-3
electrical specifications 1-8
electromagnetic compatibility,
specifications 1-8
enable NMI 2-20
enhanced video subsystem 3-10
display 3-10
equipment byte, RT/CMOS RAM
configuration 2-27
error codes 2-35
expansion bus adapter 1-4
external bus connector 2-9
Copyright IBM Corp. 1997 X-1