Kaypro 4 (81-004): Difference between revisions
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[[File:Kaypro 4 brochure.jpg|600px]] | |||
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| Processor: || Z80a, 4 MHz | |||
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| Memory: || 64K | |||
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| Disk Storage: || Two Double Density Double Sided Tandem floppy drives (400K) | |||
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| Ports: || Modem/RS232C Interface, Centronics parallel printer interface | |||
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| Keyboard: || Detachable full typewriter keyboard with 14 key numeric pad and 4 cursor control keys. Upper and lower case. | |||
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"We just started shipping the KAYPRO 4 which has double sided floppy disks for more memory."<br> | "We just started shipping the KAYPRO 4 which has double sided floppy disks for more memory."<br> | ||
(CommuniKay, June 1983) | (CommuniKay, June 1983) | ||
"Like the Kaypro II, which competes directly against Osborne computers, the new Kaypro 4 contains 64,000 bytes, or characters, of internal memory and is powered by an 8-bit microprocessor. But the new model contains twice the memory capacity in its disk drives, which transfer information for permanent storage on floppy disks. The new drives have a maximum capacity of about 800,000 characters."<br> | "Like the Kaypro II, which competes directly against Osborne computers, the new Kaypro 4 contains 64,000 bytes, or characters, of internal memory and is powered by an 8-bit microprocessor. But the new model contains twice the memory capacity in its disk drives, which transfer information for permanent storage on floppy disks. The new drives have a maximum capacity of about 800,000 characters. ... The new machine will sell for $1,995, the company said."<br> | ||
(New York Times, June 4, 1983) | (New York Times, June 4, 1983) | ||
<blockquote> | |||
Since this review was completed, Non-Linear Systems has revamped its product line for 1983 with two new system configurations (the Kaypro 4 and Kaypro 10)... | |||
The Kaypro 4 is essentially an upgrade of the earlier model. Like its forebear, the Kaypro II, the Kaypro 4 is a portable, CP/M-based system with 64K bytes of RAM and two double-density floppy disk drives. The three major differences are that (1) it has doublesided disk drives (each offers 380K bytes of storage), (2) it is packaged in a dark gray case, and (3) it costs $1995. A minor, if inexplicable difference, is in the product name. NLS has shifted from using roman numerals (e.g., II) to arable numerals (e.g., 4)— a change not without historic precedent. | |||
(Byte Magazine, September 1983) | |||
</blockquote> | |||
"The Kaypro Corporation, a Solana Beach, Calif., computer manufacturer, announced that it had reduced the price of its Kaypro 4 personal portable computer by $200, to $1,795. Kaypro said the price reduction, which does not affect the Kaypro 10 model, is a result of supplier cost reductions in both disk drives and video display screens, coupled with increasing volume orders. The Kaypro 4, which uses double-density disks, features 392K of formatted storage per disk for a total of 784K for the unit's two disk drives."<br> | "The Kaypro Corporation, a Solana Beach, Calif., computer manufacturer, announced that it had reduced the price of its Kaypro 4 personal portable computer by $200, to $1,795. Kaypro said the price reduction, which does not affect the Kaypro 10 model, is a result of supplier cost reductions in both disk drives and video display screens, coupled with increasing volume orders. The Kaypro 4, which uses double-density disks, features 392K of formatted storage per disk for a total of 784K for the unit's two disk drives."<br> | ||
( | (New York Times, October 8, 1983) | ||
This machine's FCC ID was issued Jan. 4, 1984. | This machine's FCC ID was issued Jan. 4, 1984. | ||
Latest revision as of 02:07, 22 September 2025
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| Processor: | Z80a, 4 MHz |
| Memory: | 64K |
| Disk Storage: | Two Double Density Double Sided Tandem floppy drives (400K) |
| Ports: | Modem/RS232C Interface, Centronics parallel printer interface |
| Keyboard: | Detachable full typewriter keyboard with 14 key numeric pad and 4 cursor control keys. Upper and lower case. |
"We just started shipping the KAYPRO 4 which has double sided floppy disks for more memory."
(CommuniKay, June 1983)
"Like the Kaypro II, which competes directly against Osborne computers, the new Kaypro 4 contains 64,000 bytes, or characters, of internal memory and is powered by an 8-bit microprocessor. But the new model contains twice the memory capacity in its disk drives, which transfer information for permanent storage on floppy disks. The new drives have a maximum capacity of about 800,000 characters. ... The new machine will sell for $1,995, the company said."
(New York Times, June 4, 1983)
Since this review was completed, Non-Linear Systems has revamped its product line for 1983 with two new system configurations (the Kaypro 4 and Kaypro 10)...
The Kaypro 4 is essentially an upgrade of the earlier model. Like its forebear, the Kaypro II, the Kaypro 4 is a portable, CP/M-based system with 64K bytes of RAM and two double-density floppy disk drives. The three major differences are that (1) it has doublesided disk drives (each offers 380K bytes of storage), (2) it is packaged in a dark gray case, and (3) it costs $1995. A minor, if inexplicable difference, is in the product name. NLS has shifted from using roman numerals (e.g., II) to arable numerals (e.g., 4)— a change not without historic precedent. (Byte Magazine, September 1983)
"The Kaypro Corporation, a Solana Beach, Calif., computer manufacturer, announced that it had reduced the price of its Kaypro 4 personal portable computer by $200, to $1,795. Kaypro said the price reduction, which does not affect the Kaypro 10 model, is a result of supplier cost reductions in both disk drives and video display screens, coupled with increasing volume orders. The Kaypro 4, which uses double-density disks, features 392K of formatted storage per disk for a total of 784K for the unit's two disk drives."
(New York Times, October 8, 1983)
This machine's FCC ID was issued Jan. 4, 1984.