[SIZE=+1]MITS Altair 8800
[/SIZE]Announced:March 1975 Price:US $395 as a kit
US $495 assembled CPU:Intel 8080, 2.0 MHz RAM:256 bytes
Display:front panel LEDs Controls:front panel switches Expansion:card-cage
with 16 card slots Storage:external Cassette or
8" floppy drive OS:CP/M, BASIC
[SIZE=+1]IMSAI 8080[/SIZE]
Announced:August 1975 How many:Around 20,000 Price:US $931 assembled
US $599 as a kit CPU:Intel 8080A, 2.0 MHz RAM:64K max Display:front panel LEDs Controls:front panel switches Expansion:card-cage w/ S-100 bus Storage:optional cassette or
floppy drive OS:CP/M, BASIC
[SIZE=+1]
IBM 5100
[/SIZE]Introduced:September, 1975 Price: US $19,975 w/ 64K RAM Weight:55 pounds CPU:IBM proprietary, 1.9MHz RAM:16K, 64K max Display:5" monochrome monitor
64 X 16 text Storage:Internal 200K tape (DC300) Ports:tape / printer I/O port OS:APL and/or BASIC Serial #: BASIC: 10-11503 APL: 10-13616
[SIZE=+1]
Sol-20 Terminal Computer[/SIZE]
Released:June 1976 Price:US $2129 assembled
US $995 as a kit How many:approximately 10,000 CPU:Intel 8080, 2.0 MHz RAM:1K, 64K max Display:64 X 16 text Expansion:S-100 bus with 5 slots Ports:serial, parallel, cassette Storage:external cassette
optional floppy drive OS:BASIC, CP/M
[SIZE=+1]
Apple 1[/SIZE]
Introduced:March 1976 Released:July 1976 Price: US $666.66 w/4K RAM How many?about 200 total CPU:MOS 6502, 1.0 MHz RAM:4K, 65K max Display:monochrome
280 X 192, 40 X 24 text Keyboard:not included. Ports:composite video output
keyboard interface
one vertical expansion slot Storage:cassette interface available OS:firmware in ROM (HEX)
Apple BASIC on cassette
[SIZE=+1]Rockwell AIM 65[/SIZE]
Released:1977 Price:US $375 w/1K RAM CPU:Rockwell 6502 @ 1MHz RAM:1K or 4K Ports:Two edge-card expansion ports Display:20-digit alpha-numeric LED
Built-in thermal printer Storage:External audio cassette OS:"Monitor" built-in
[SIZE=+1]Commodore PET 2001[/SIZE]
Introduced:January 1977 Released:June 1977 Price:US $795 CPU:MOS 6502, 1MHz RAM:4K, later 8K Display:40 X 25 text
built-in 9" screen Ports:IEEE-488, cassette
parallel, system bus Storage:Built-in cassette OS:BASIC in ROM
[SIZE=+1]NorthStar Horizon[/SIZE]
Announced:November 1977 Price:US $1899 assembled
US $1599 as a kit CPU:Z-80 @ 4MHz RAM:16K or more Interface:video terminal Expansion:S-100 bus card-cage Storage:5-1/4 inch floppy drive(s)
holds 90 KB each Ports:2 serial, 1 parallel OS:CP/M, NorthStar DOS
[SIZE=+1]IBM 5110[/SIZE]
Available:February 1978 Price:US$10,225.00 (as shown) Weight:43 pounds (no internal tape) CPU:IBM proprietary, 1.9MHz RAM:16K, 64K max Display:5" monochrome monitor
64 X 16 text Storage:optional internal 200K tape
external 1.2Meg floppy drive(s) Ports:single peripheral I/O port OS:APL and/or BASIC Serial #: BASIC: 27-31117 APL: 27-31134
[SIZE=+1]
Interact Model One[/SIZE]
Released:1979 Price:$299 CPU:Intel 8080A @ 2MHz RAM:8K or 16K Display:17 X 12 text
112 x 78 graphics
(4 colors) Storage:built-in cassette Ports:2 controllers OS:Edu-BASIC on cassette
[SIZE=+1]Radio Shack TRS-80 Model II[/SIZE]
Catalog:26-4002 Announced:May 1979 Released:October 1979 Price:$3450 (32K RAM)
$3899 (64K RAM) CPU:Zilog Z-80A, 4 MHz RAM:32K, 64K Ports:Two serial ports
One parallel port Display:Built-in 12" monochrome monitor
40 X 24 or 80 X 24 text. Storage:One 500K 8-inch built-in floppy drive.
External Expansion w/ 3 floppy bays. OS:TRS-DOS, BASIC.
[SIZE=+1]Heathkit H89[/SIZE]
Available:1979 Price:US$1595.00 (kit form) CPU:Zilog Z80, @ 2.0 MHz RAM:16K, 48K max. Display:12-inch monochrome CRT 80 X 24 text, no graphics Storage:102K hard-sectored floppy drive built-in cassette interface OS:'monitor', HDOS (Heath DOS)
[SIZE=+1]
Atari 800[/SIZE]
Announced:December 1978 Released:November 1979 Price :US $999.95 CPU:MOS 6502,1.8MHz RAM:8K base, 48K max Display:24 X 40 text
320 x 192 monochrome
160 x 96 with 128 colors Expansion:4 internal expansion slots
2 cartridge slots Ports:4 controller ports
RGB video output
TV video output Storage:external 90K floppy drive
cassette recorder OS:Atari OS
[SIZE=+1]
Texas Instruments TI-99/4
[/SIZE]Introduced:June 1979 Released:November 1979 Price: US$1,150 with monitor CPU:TI TMS9900 @ 3MHz Memory:16K RAM, 26K ROM Display:Composite Video
RF modulator for TV display
32 X 24 text
192 X 256, 16 colors Ports:ROM cartridge (on front)
Data storage cassette
Audio/Video output
Joystick input
CPU bus expansion Peripherals:Speech Synthesizer
External 5-1/4" floppy drive
Thermal printer
Data storage cassette
RS-232 serial interface OS:TI BASIC in ROM
[SIZE=+1]
Source - http://oldcomputers.net/
[/SIZE]
[/SIZE]Announced:March 1975 Price:US $395 as a kit
US $495 assembled CPU:Intel 8080, 2.0 MHz RAM:256 bytes
Display:front panel LEDs Controls:front panel switches Expansion:card-cage
with 16 card slots Storage:external Cassette or
8" floppy drive OS:CP/M, BASIC
[SIZE=+1]IMSAI 8080[/SIZE]
Announced:August 1975 How many:Around 20,000 Price:US $931 assembled
US $599 as a kit CPU:Intel 8080A, 2.0 MHz RAM:64K max Display:front panel LEDs Controls:front panel switches Expansion:card-cage w/ S-100 bus Storage:optional cassette or
floppy drive OS:CP/M, BASIC
[SIZE=+1]
IBM 5100
[/SIZE]Introduced:September, 1975 Price: US $19,975 w/ 64K RAM Weight:55 pounds CPU:IBM proprietary, 1.9MHz RAM:16K, 64K max Display:5" monochrome monitor
64 X 16 text Storage:Internal 200K tape (DC300) Ports:tape / printer I/O port OS:APL and/or BASIC Serial #: BASIC: 10-11503 APL: 10-13616
[SIZE=+1]
Sol-20 Terminal Computer[/SIZE]
Released:June 1976 Price:US $2129 assembled
US $995 as a kit How many:approximately 10,000 CPU:Intel 8080, 2.0 MHz RAM:1K, 64K max Display:64 X 16 text Expansion:S-100 bus with 5 slots Ports:serial, parallel, cassette Storage:external cassette
optional floppy drive OS:BASIC, CP/M
[SIZE=+1]
Apple 1[/SIZE]
Introduced:March 1976 Released:July 1976 Price: US $666.66 w/4K RAM How many?about 200 total CPU:MOS 6502, 1.0 MHz RAM:4K, 65K max Display:monochrome
280 X 192, 40 X 24 text Keyboard:not included. Ports:composite video output
keyboard interface
one vertical expansion slot Storage:cassette interface available OS:firmware in ROM (HEX)
Apple BASIC on cassette
[SIZE=+1]Rockwell AIM 65[/SIZE]
Released:1977 Price:US $375 w/1K RAM CPU:Rockwell 6502 @ 1MHz RAM:1K or 4K Ports:Two edge-card expansion ports Display:20-digit alpha-numeric LED
Built-in thermal printer Storage:External audio cassette OS:"Monitor" built-in
[SIZE=+1]Commodore PET 2001[/SIZE]
Introduced:January 1977 Released:June 1977 Price:US $795 CPU:MOS 6502, 1MHz RAM:4K, later 8K Display:40 X 25 text
built-in 9" screen Ports:IEEE-488, cassette
parallel, system bus Storage:Built-in cassette OS:BASIC in ROM
[SIZE=+1]NorthStar Horizon[/SIZE]
Announced:November 1977 Price:US $1899 assembled
US $1599 as a kit CPU:Z-80 @ 4MHz RAM:16K or more Interface:video terminal Expansion:S-100 bus card-cage Storage:5-1/4 inch floppy drive(s)
holds 90 KB each Ports:2 serial, 1 parallel OS:CP/M, NorthStar DOS
[SIZE=+1]IBM 5110[/SIZE]
Available:February 1978 Price:US$10,225.00 (as shown) Weight:43 pounds (no internal tape) CPU:IBM proprietary, 1.9MHz RAM:16K, 64K max Display:5" monochrome monitor
64 X 16 text Storage:optional internal 200K tape
external 1.2Meg floppy drive(s) Ports:single peripheral I/O port OS:APL and/or BASIC Serial #: BASIC: 27-31117 APL: 27-31134
[SIZE=+1]
Interact Model One[/SIZE]
Released:1979 Price:$299 CPU:Intel 8080A @ 2MHz RAM:8K or 16K Display:17 X 12 text
112 x 78 graphics
(4 colors) Storage:built-in cassette Ports:2 controllers OS:Edu-BASIC on cassette
[SIZE=+1]Radio Shack TRS-80 Model II[/SIZE]
Catalog:26-4002 Announced:May 1979 Released:October 1979 Price:$3450 (32K RAM)
$3899 (64K RAM) CPU:Zilog Z-80A, 4 MHz RAM:32K, 64K Ports:Two serial ports
One parallel port Display:Built-in 12" monochrome monitor
40 X 24 or 80 X 24 text. Storage:One 500K 8-inch built-in floppy drive.
External Expansion w/ 3 floppy bays. OS:TRS-DOS, BASIC.
[SIZE=+1]Heathkit H89[/SIZE]
Available:1979 Price:US$1595.00 (kit form) CPU:Zilog Z80, @ 2.0 MHz RAM:16K, 48K max. Display:12-inch monochrome CRT 80 X 24 text, no graphics Storage:102K hard-sectored floppy drive built-in cassette interface OS:'monitor', HDOS (Heath DOS)
[SIZE=+1]
Atari 800[/SIZE]
Announced:December 1978 Released:November 1979 Price :US $999.95 CPU:MOS 6502,1.8MHz RAM:8K base, 48K max Display:24 X 40 text
320 x 192 monochrome
160 x 96 with 128 colors Expansion:4 internal expansion slots
2 cartridge slots Ports:4 controller ports
RGB video output
TV video output Storage:external 90K floppy drive
cassette recorder OS:Atari OS
[SIZE=+1]
Texas Instruments TI-99/4
[/SIZE]Introduced:June 1979 Released:November 1979 Price: US$1,150 with monitor CPU:TI TMS9900 @ 3MHz Memory:16K RAM, 26K ROM Display:Composite Video
RF modulator for TV display
32 X 24 text
192 X 256, 16 colors Ports:ROM cartridge (on front)
Data storage cassette
Audio/Video output
Joystick input
CPU bus expansion Peripherals:Speech Synthesizer
External 5-1/4" floppy drive
Thermal printer
Data storage cassette
RS-232 serial interface OS:TI BASIC in ROM
[SIZE=+1]
Source - http://oldcomputers.net/
[/SIZE]
eka thama..
