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In June 1993, Apple released an identical color version of this model, the PowerBook 180c. It had an 8.4 in (210 mm) diagonal active matrix color LCD capable of displaying 256 colors and was the first PowerBook to natively display 640×480 (all previous PowerBooks had 640×400 resolution).
The PowerBook 180 had a superb-for-the-time active-matrix grayscale display, making it popular. In 1993, the PowerBook 165c was the first PowerBook with a color screen, later followed by the 180c. In 1994, the last true member of the 100-series form factor introduced was the PowerBook 150, targeted at value-minded consumers and students.
PowerBook 165c: 33 33 512 — 32/32 68882 February 1993 December 1993 Macintosh LC 520: 25 25 512 — 32/32 68882 (optional) June 1993 February 1994 PowerBook 180c: 33 33 512 — 32/32 68882 June 1993 March 1994 PowerBook 145B: 25 25 512 — 32/32 — July 1993 July 1994 PowerBook 165: 33 33 512 — 32/32 — August 1993 July 1994 Macintosh LC ...
The 160 and 180 have video output, allowing them to drive an external monitor. In addition, the PowerBook 180 had a superb-for-the-time active-matrix grayscale display, making it popular with the Mac press. In 1993, the PowerBook 165c was the first PowerBook with a color screen, later followed by the 180c.
Another method of reducing the fan speed [5] is by moving the 5 V wire in the classical Molex power connector in the place of the Ground wire going to the fan, thereby delivering +7 V (12 V − 5 V = 7 V) to the fan. However, this is a potentially risky method, because +5 V PSU line is intended to source current only, not sink it, so the PSU is ...
The PowerPC 740 is completely pin compatible with the older 603, allowing upgrades to the PowerBook 1400, 2400, and even a prototype PowerBook 500/G3. The 750 with its L2 cache bus required more pins and thus a different package, a 360-pin ball grid array (BGA). The PowerPC 750 was used in many computers from Apple, including the original iMac.
The PowerBook Duo is a line of subnotebooks manufactured and sold by Apple Computer from 1992 until 1997 as a more compact companion to the PowerBook line. Improving upon the PowerBook 100 's portability (its immediate predecessor and Apple's third-smallest laptop), the Duo came in seven different models.
SpeedFan is a system monitor for Microsoft Windows that can read temperatures, voltages and fan speeds of computer components. [3] It can change computer fan speeds depending on the temperature of various components. [1] [4] The program can display system variables as charts and as an indicator in the system tray.