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Daniel Knight - 2003.03.04
This article updated and republished as20 Years of Expandable Macs Startedwith the Macintosh SE and II in 1987, published on March 2,2007.
March 2, 1987 marked a paradigm shift in Mac history.
From the beginning, the Mac had been envisioned as a closed box,an information appliance. The first two models had no expansionslots, no memory upgrade path, no high speed bus for a harddrive.
The third Mac began to break the mold. The Mac Plus looked like the first two, butit had a numeric keypad and arrow keys on the keyboard, whichreduced mouse dependence. It has something called SCSI on the back,which allowed users to connect hard drives and scanners. SCSIremained a standard feature of all Macs until the iMac wasintroduced in 1998.
And for the really adventurous, it was possible to open up thecomputer and boost it from 1 MB of RAM as 1 MB SIMMsbecame available. The Mac Plus, introduced two years after thefirst Mac, was the first Mac designed with expansion options. Punzzles mac os.
The Macintosh SE
When most people see an SE, theysee a restyled Mac Plus. And that's exactly what Apple intended.The compact Mac form factor was the way Macswere supposed to look; the changes were hidden to the casualviewer.
From a practical standpoint, the biggest improvement was asecond internal drive bay, which could hold a second floppy or -something new to the Mac - an internal SCSI hard drive. It was apretty pathetic 20 MB MiniScribe drive that deserves to be replacedwith pretty much any half-height 3.5' SCSI hard drive built since1989, about the same time manufacturers started putting buffers inhard drives.
Although it's hard to imagine a practical reason to do so, youcould drop in a huge multigigabyte hard drive. Apple's HD SC Setupwould let you create up to 8 partitions of up to 2 GB each.Overkill on an SE, but that's how future-oriented the Mac hardwareand OS were.
SCSI had been improved since the Mac Plus was introduced, andthe SE supported throughput of 5 Mbps - a huge improvement over the2.1 Mbps ceiling of the Plus. For the sake of comparison, think ofthe SE running SCSI at half the speed of USB. That may be slowtoday, but it was pretty impressive compared with the Plus. Holden vs v8 service manual.
On the back were a pair of ADB ports, supporting the AppleDesktop Bus introduced the previous year on the Apple IIGS. Although used primarily for mice and keyboards,also supported sketch tablets, a few slow modems, and not muchelse. Rich casino free spins. ADB remained a feature of all Macs until the iMac replaced itwith USB in 1998.
But the most revolutionary change in the SE was inside the box -an expansion slot. This was Apple's acknowledgment that the conceptof a closed, unexpandable information appliance had been shot topieces in the marketplace. It gave the SE the ability to addfeatures that Apple hadn't envisioned or seen a need to build intothe computer, such as support for an external portrait display, aDOS card, or a high speed network card.
Yet from the outside, it just looked like a restyled Mac Pluswith a much better mouse and keyboard.
The Macintosh II
If the SE subtly broke the Mac mold, the Mac II blew it to pieces. There was no internalmonitor. It didn't have a small footprint.It looked like a business computer, although it was far moreattractive than the plethora of DOS boxes then on the market.
Going way beyond the SE, the Mac II had room for two internalfloppy drives and a half-height 5.25' hard drive. Instead of asingle proprietary expansion slot, Apple adopted the emerging NuBusstandard and included six expansion slots in the design.
As with the original IBM PC and today's Power Mac G4s, at leastone of those expansion slots had to hold a video card. Unlike mostcomputers of the era, each of the six slots could hold a videocard, and the Mac OS would let the user decide how they wereconnected into one giant desktop.
Dendera casino no deposit bonus. The simple, compact, black & white Mac gave birth to color.The Mac II could display 8-bit color, 256 colors from a 16 millioncolor palette. Later in life, it would also be able to support24-bit and 16-bit video cards.
No mercy mac os. All of this, of course, required more horsepower and morememory. The 8 MHz 68000 CPU gave way to a 16 MHz 68020, andthe base 1 MB of memory on the Plus and SE was 2 MB onthe Mac II. Although the Mac II was designed to support up to 128MB of memory, the memory standard took a detour, the special 4 and16 MB PAL SIMMs the II needed remained expensive, the early OSnever supported more than 8 MB, the Mac II had problems with'dirty' ROMs - in the end, it could just support 68 MB after somemodifications. Messy.
Still, the Mac II was a workhorse. Between the more powerful CPUand higher processor speed, it was about 2.4 times the power of theSE. It could easily handle 8 MB of RAM, twice as much asearlier Macs. And that 8-bit color was stunning in the era of 64color EGA on the PC side of things.
SCSI was twice as fast as on the SE, offering performance torival today's highest speed USB 1.1 devices. As with the SE, itreally benefits from a newer hard drive - something built since1989 or so can take full advantage of the Mac II's SCSI bus.
The Mac II and SE Today
These aren't terribly practical computers today. An SE withSystem 6 can make a nice word processor or email machine, justdon't try to use TrueType fonts or ATM, which will slow it to acrawl (and that's being generous). With an ethernet card, it canexist comfortably on a computer network. Although it can run System7, unless you avoid font rendering (TrueType and ATM) or drop in anaccelerator, you generally won't be happy with its performance.
There are even more reasons to avoid the Mac II today. Thememory limitation and 'dirty' ROMs severely limit its potential.Worse yet, the PRAM batteries are soldered in place; when they go,you'll have to figure out how to replace them without ruining yourmuseum piece.
Both have very little practical value; you can pick up thevastly preferable SE/30 orIIfx for a song these days, andboth are much more powerful and expandable than the models theydisplaced.
Still, these two Macs helped change the direction of the closedbox information appliance that evolved into the 'Books, iMacs, andPower Macs we know today. In some ways, we've come full circle.
Picking up a Mac II or SE can be a great bit of nostalgia forthose of us who first discovered the Mac in the late 1980s. Theycan be a great low-cost introduction to computing for kids. The canbe a great reminder of how simple things used to be. And they canbe a nice antidote to the overly stylized world of iMacs andOS X.
But back in their day, these babies ran PageMaker and Photoshop- and Mac users were blown away. March 2, 1987 was the day Macsstopped being cute little toy-like computers and became a bit morerespectable.
Control accessibility options with your keyboard and Siri
You can use these keyboard shortcuts to control accessibility options, or ask Siri to perform these functions. For example, ask Siri to ”Turn VoiceOver On.”
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Action | Shortcut |
---|---|
Display Accessibility Options | Option-Command-F5 or triple-press Touch ID (power button) on supported models1 |
Turn VoiceOver on or off2 | Command-F5 or Fn-Command-F5 or hold Command and triple-press Touch ID on supported models1 |
Open VoiceOver Utility, if VoiceOver is turned on2 | Control-Option-F8 or Fn-Control-Option-F8 |
Turn zoom on or off3 | Option-Command-8 |
Zoom in3 | Option–Command–Plus sign (+) |
Zoom out3 | Option–Command–Minus sign (-) |
Invert colors4 | Control-Option-Command-8 |
Reduce contrast | Control-Option-Command-Comma (,) |
Increase contrast | Control-Option-Command-Period (.) |
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1. MacBook Pro (15-inch, Late 2016), MacBook Pro (13-inch, Late 2016, Four Thunderbolt 3 Ports)
2. To use VoiceOver and VoiceOver Utility, you might need to turn on 'Use all F1, F2, etc. keys as standard function keys' in Keyboard preferences. You might also need to make VoiceOver ignore the next key press before you can use some of the other Mac keyboard shortcuts.
3. To use the zoom shortcuts, you might need to turn on 'Use keyboard shortcuts to zoom' in Accessibility preferences.
4. To enable this shortcut, choose Apple menu > System Preferences, then click Keyboard. In the Shortcuts tab, select Accessibility on the left, then select ”Invert colors” on the right.
Use your keyboard like a mouse
You can use your keyboard like a mouse to navigate and interact with items onscreen. Use the Tab key and arrow keys to navigate, then press Space bar to select an item.
- Choose Apple menu > System Preferences, then click Keyboard.
- Click Shortcuts.
- From the bottom of the preferences window, select ”Use keyboard navigation to move focus between controls.” In macOS Mojave or earlier, this setting appears as an ”All controls” button instead.
Action | Shortcut |
---|---|
Switch between navigation of all controls on the screen, or only text boxes and lists | Control-F7 or Fn-Control-F7 |
Move to the next control | Tab |
Move to the previous control | Shift-Tab |
Move to the next control when a text field is selected | Control-Tab |
Move the focus to the previous grouping of controls | Control-Shift-Tab |
Move to the adjacent item in a list, tab group, or menu Move sliders and adjusters (Up Arrow to increase values, Down Arrow to decrease values) | Arrow keys |
Move to a control adjacent to the text field | Control–Arrow keys |
Choose the selected menu item | Space bar |
Click the default button or perform the default action | Return or Enter |
Click the Cancel button or close a menu without choosing an item | Esc |
Move the focus to the previous panel | Control-Shift-F6 |
Move to the status menu in the menu bar | Control-F8 or Fn-Control-F8 |
Activate the next open window in the front app | Command–Grave accent (`) |
Activate the previous open window in the front app | Shift–Command–Grave accent (`) |
Move the focus to the window drawer | Option–Command–Grave accent (`) |
Navigate menus with your keyboard
To use these shortcuts, first press Control-F2 or Fn-Control-F2 to put the focus on the menu bar.
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Action | Shortcut |
---|---|
Move from menu to menu | Left Arrow, Right Arrow |
Open a selected menu | Return |
Move to menu items in the selected menu | Up Arrow, Down Arrow |
Jump to a menu item in the selected menu | Type the menu item's name |
Choose the selected menu item | Return |
Use Mouse Keys to move the mouse pointer
When Mouse Keys is turned on, you can use the keyboard or numeric keypad keys to move the mouse pointer.
Action | Shortcut |
---|---|
Move up | 8 or numeric keypad 8 |
Move down | K or numeric keypad 2 |
Move left | U or numeric keypad 4 |
Move right | O or numeric keypad 6 |
Move diagonally down and to the left | J or numeric keypad 1 |
Move diagonally down and to the right | L or numeric keypad 3 |
Move diagonally up and to the left | 7 or numeric keypad 7 |
Move diagonally up and to the right | 9 or numeric keypad 9 |
Press the mouse button | I or numeric keypad 5 |
Hold the mouse button | M or numeric keypad 0 |
Release the mouse button | . (period) |
Learn more
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- Change the behavior of the function keys or modifier keys