Macintosh PowerBook Duo 280/280c
Codename: "Yeager"
Introduced: May 1994
Discontinued: November 1994 (280)/January 1996 (280c)
Processor: Motorola 68LC040
Processor Speed: 33 MHz
Cache: 0.5k L1
Data Path: 32 bit
System Bus: 33 MHz
Hard Drive Size: 240 MB
Media: None
Weight and Dimensions: 4.2 lbs. (280)/4.8 lbs. (280c), 1.4" H (1.5" 280c) x 10.9" W x 8.5" D
Original Mac OS: Mac OS 7.1
Maximum Mac OS: Mac OS 8.1
Machine ID: 102 (280)/103 (280c)
Motherboard RAM: 4 MB
Maximum RAM: 40 MB
Number of Sockets: 1 - PB Duo
Minimum RAM Speed: 70 ns
Graphics Card: None
Video Memory: None
Built-in Display: 9" 4 bit 640x400 (280) or 8.4" 16 bit 640x400 (280c) Active Matrix LCD
Display Connection: None
Slots: Modem, Dock (152-pin PDS)
Hard Drive Bus: SCSI
Expansion Bays: n/a
Modem: None
Airport: None
Bluetooth: None
PRAM: n/a
Power: 25 Watts
Battery: NiMH
ADB: None
Serial: 1
SCSI: HDI-30
USB: None
FireWire: None
Ethernet: None
Infrared: None
Sound In: Mono 8 bit (built-in mic)
Sound Out: Mono 8 bit (built-in speaker)
History: Introduced in May 1994, the Duo 280 added '040 power to the Duo line. The 280 sold for $2,600 U.S. The 280c, with a 16-bit active-matrix color screen, sold for $3,750 U.S.

