Apple Desktop Computer manual Nvram

I N D E X

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

Rage IC 25

RAM expansion 48–53 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

74