PowerBook Duo 230

M7777 · 1992–1994 · laptop

Specifications

Cpu: Motorola 68030 33 MHz (no FPU)
Ram: max: 24 MB (4 MB onboard plus one Duo RAM card) · base: 4 MB
Ports: Serial (RS-422) · 152-pin Processor Direct Slot (dock connector) · Internal modem (optional)
Battery: NiMH Type I, removable, ~2-4 hours
Display: 9.1" 640×400 passive matrix, 4-bit grayscale
Storage: base: 80 MB SCSI HDD · options: 120 MB SCSI HDD · 160 MB SCSI HDD
Weight: 1.9 kg
Os Support: latest: System 7.6.1 · shipped: System 7.1
Release Price: $2,610

Variants

Storage

120MB1992 base HDD tier

240MB1992 upgraded HDD tier

Upgrade paths

RAM

24 MB via one 70-pin Duo RAM expansion card · Single slot under the keyboard; Duo-specific cards only.

MODERATE

storage

Larger 2.5" SCSI drive or SCSI2SD solution · Tight subnotebook internals but a standard 2.5" SCSI drive.

MODERATE

other

Duo Dock / Duo MiniDock via the 152-pin PDS connector · The whole point of the Duo: the full Duo Dock swallows the laptop and adds NuBus slots, FPU socket, video out, and desktop ports.

EASY