% -*- coding: utf-8 -*- \section{Macintosh 512k} \sectionrule \begin{tabular}{ r p{6in} } \textbf{Gestalt/Machine ID} & \textbf{2} (512k) \\ ~ & \textbf{3} (512ke) \\ \textbf{Model Numbers:} & M0001W (Macintosh 512k) \\ ~ & M0001E (Macintosh 512ke) \\ ~ & M0001D (Macintosh 512k/800) \\ ~ & M0001ED (Macintosh 512ke EDU) \\ \\ \textbf{Graphics:} & Macintosh Framebuffer, 512\(\times\)342 1bpp \\ \textbf{Display:} & Internal, 9'' CRT \\ \\ \textbf{System Bus:} & 8 MHz \\ \textbf{Processors:} & Motorola 68000 ( 8 MHz ) \\ \\ \textbf{Cache Memory:} & None \\ \textbf{RAM (Logic Board):} & 128 kB \\ \textbf{RAM Type:} & PDIP-16 150ns DRAM \\ \\ \textbf{Floppy Drive:} & \textbf{[512k]} 400kB 3.5'' SS,DD; GCR \\ ~ & \textbf{[512ke]} 800kB 3.5'' DS,DD; GCR \\ \textbf{Optical Drive:} & None \\ \textbf{Hard Drive:} & None \\ \textbf{Other Drives:} & None \\ \textbf{External:} & Apple HD20 (via ext. floppy) \\ ~ & Macintosh External Disk Drive (M0131) (ext. floppy) \\ \\ \textbf{PRAM Battery:} & Type 523 (4.5V Alkaline) \\ ~ & ( Mallory PX21, IEC 3LR50, ANSI 1306A )\\ \textbf{Power Supply:} & 60W, Integrated \\ %\textbf{Nubus Slots:} & 0 \\ %\textbf{PDS Slot:} & LC PDS \\ \\ %\textbf{Comm Slot:} & Comm Slot Type I \\ %\textbf{Modem:} & \\ %\textbf{Ethernet:} & \\ %\\ \textbf{Input:} & Keyboard, RJ-11 connector \\ ~ & Mouse, Serial (custom), DE-9 connector \\ \\ \textbf{Serial Ports:} & 2 \(\times\) RS-422, DE-9 connector \\ \textbf{External Storage:} & IWM interface, DA-19 connector \\ \textbf{Audio:} & 1 \(\times\) Mono output, 3.5mm TS connector \\ \\ \textbf{\textsc{System Software}} & ~ \\ \textbf{Firmware:} & Macintosh ROM (64k) \\ \textbf{Original:} & \textbf{[512k]} System 1.1 | Finder 1.1g \\ ~ & \textbf{[512ke]} System 3.0 | Finder 5.1 \\ %\textbf{Optimal:} & ~ \\ \textbf{Latest Supported:} & \textbf{[512k]} System 4.1 | Finder 5.5 \\ ~ & \textbf{[512ke]} System 6.0.8 \\ %\textbf{Latest Possible:} & ~ \\ \end{tabular}