Apple Desktop Computer manual X, Y, Z

I N D E X

Run-Time Abstraction Services. See RTAS

S

SDRAM device specifications 50

serial presence detect, on SO-DIMM 50 SGRAM 53

SO-DIMMs, for RAM expansion 48 address multiplexing on 52 configurations 51

electrical design of 49 electrical limits for 52 JEDEC specifications 49 mechanical design of 49 SDRAM device specifications 50

sound

input sources 36 built-in microphone 36

output devices 36 external sound output 37 headphone jacks 37 internal speakers 36

sound specifications 37 sound system 35–38 speakers 36

StartUp Disk control panel 66 system module 23, 23–24

T

ToolBox Image file, contents of 62–63 Open Firmware script 62 ToolBox ROM Image 63 Trampoline Code 63

ToolBox ROM Image 63 Trampoline Code 63 Trampoline code 63, 64

U

Universal Serial Bus. See USB USB connectors 28

USB controller IC 25 USB ports 28–31

compatibility 30–31 with ADB 30 with serial ports 31

controller type 31 data transfer speeds 29 transfer types 29

USB with keyboard 33

V, W, X, Y, Z

video display 34

video display controller IC 25 video display subsystem 25 video RAM expansion 53

75