Apple Macintosh PowerBook 165c User Manual

Page 17

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C H A P T E R 1

Hardware

Hardware Overview

Figure 1-2

32-bit memory and detailed I/O map

$6000 0000

Expansion I/O space

(no DSACKs)

Reserved

Reserved (SCSI wrap)

Reserved (SCC wrap)

Reserved (VIA2 wrap)

Reserved (VIA1 wrap)

CPU GLU registers

SWIM

Sound

SCSI (normal mode)

SCSI (DMA with DRQ)

SCC

VIA2

$5900 0000

$5400 0000

$5010 0000

$500C 0000

$5008 0000

$5004 0000

$5003 0000

$5002 E000

$5002 C000

$5002 A000

$5002 8000

$5002 6000

$5002 4000

$5002 2000

$5002 0000

$5001 E000

$5001 C000

$5001 A000

$5001 8000

$5001 6000

$5001 4000

$5001 2000

$5001 0000

$5000 E000

$5000 C000

$5000 A000

$5000 8000

$5000 6000

$5000 4000

$5000 2000

$5000 0000

$6000 0000

$5000 0000

$4400 0000

$4000 0000

$0400 0000

$00E0 0000

$0000 0000

$FFFF FFFF
$FEF0 FFFF

$FE00 0000

I/O

Reserved

ROM

Expansion RAM

(bus error)

Illegal

RAM

14 MB maximum,

one continuous bank

Reserved

Slot E (external video)

Reserved

VIA1

SCSI (non DRQ)

Reserved

Slot C (internal video)

$FD00 0000

$FC00 0000

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