Editing Macintosh SE (section)

=== System Architecture ===
{| class="wikitable styled-table" style="width:90%; text-align:center;"
! Sub-system !! Specification (Macintosh SE, March 1987)
|-
| '''CPU''' || Motorola 68000 @ 7.8336 MHz (15.6672 MHz ÷ 2)
|-
| '''Bus width''' || 16-bit data • 24-bit address (16 MB addressable space)
|-
| '''ROM''' || '''256 KB "II-class"''' ROM – QuickDraw 1.2, ADB support, SCSI Manager 2.0
|-
| '''RAM''' || 1 MB standard (4 × 256 KB 30-pin SIMMs) – '''expandable to 4 MB'''
|-
| '''Video''' || 512 × 342 monochrome bitmap (21,888 bytes frame buffer) • 60.15 Hz refresh
|-
| '''Sound''' || 8-bit PWM DAC via VIA Port A • 22.254 kHz sample rate • monaural output
|-
| '''Storage''' || 800 KB Sony double-sided floppy (FDHD: 1.44 MB SuperDrive) • Optional 20/40 MB SCSI
|-
| '''I/O Ports''' || ADB × 2 • DB-19 ext. floppy • DB-25 SCSI • Mini-DIN-8 serial × 2 • 3.5mm audio
|-
| '''Expansion''' || '''SE PDS''' (Processor Direct Slot) – 96-pin Euro-DIN, full 68000 bus access
|}