Apple iMac User Manual
Page 74
I N D E X
74
K
keyboard 32–33
L
L2 cache 23
M
machine ID 67
Macintosh ROM, why it’s changing 56–60
Mac OS 8.1 10
Mac OS ROM file 59
Mac OS ROM image 58
Mac OS ToolBox ROM 57
main logic board 24–26
memory controller IC 24
memory interleaving not supported 51
microprocessor 23
modem 25, 39
mouse 33–34
MPC106 IC 24
N
NanoKernel 66
'ndrv'
drivers 61
NewWorld software architecture 56–68
boot process 63–64
compatibility with applications 59
data structures and files 59
features 58–60
performance 59
RAM footprint 59
user experience with 59
what has changed 57
what is different 64–68
device tree 67
gestaltMachineType 67
interrupt handling 64
interrupt layout 67
NanoKernel 66
NVRAM 65
outmoded resources 65
RAM footprint 65
RTAS 65
StartUp Disk control panel 66
with Open Firmware 57, 58
with RTAS 58
NVRAM 65
O
OHCI controller for USB 31
Open Firmware, with the NewWorld
architecture 57, 60, 61
Open Firmware Script 62
P, Q
Paddington I/O controller IC 24
PCI bus 24
PCI bus bridge 24
POST code 60
power-on system test. See POST code
R
maximum current limits 52
module sizes 51
SDRAM device specifications 50
sizes of SO-DIMMs 49
RAM expansion modules
address multiplexing on 52
resources, outmoded 65
ROM-in-RAM approach 60
RTAS (Run-Time Abstraction Services) 58, 61, 65