At 2:48 AM -0400 6/26/05, [EMAIL PROTECTED] wrote:
Hi all,
I've been a PC/Windows guy for many many years, the sun may not rise
tomorrow because I have bought my first Mac. Powerbook 1400CS..
Only one mouse
button? But my real question is: Apples all have a ROM chip..
why? Even Macs
without an O/S, I've never seen the dreaded command prompt. What
exactly is in
the ROM chip?
Pretty much all computers have ROM, it supplies the code the computer
uses to boot up. Traditionally on the Mac the ROM also had a portion
of the OS in it. This was done initially to supplement the RAM. The
original Mac, the 128K, had 128K RAM and 64K ROM so it was really as
if it had 192K of memory. Starting somewhere in the iMac line this
ROM became flash memory (firmware) so it could be updated with a
software installer.
You can think of Apple ROM as PC BIOS. BIOS has minimal drivers,
basically enough to put stuff on the screen and boot from disk.
One mouse button? Things with more buttons are called keyboards.
Should of bought an Apple years ago...
Naturally.
--
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting
"I'm a designated driver on the Information Super Highway"
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