Engineering:Compaq Portable 486
 Color version of the Compaq Portable 486, the Compaq Portable 486c | |
| Manufacturer | Compaq Computer Corporation, United States |
|---|---|
| Product family | Compaq Portable series |
| Type | Portable computer |
| Release date | 1991 |
| CPU | Intel 80486DX @ 33 MHz |
| Memory | 4 - 32 MB RAM |
| Display | Active TFT monochrome[1] |
| Graphics | 640 X 480 resolution 8-bit[2] VGA[1], 80 X 25 text[2] |
| Sound | PIT using a mini speaker |
| Connectivity | SCSI[3] 2x EISA expansion bus[3] |
| Dimensions | 39.6 (width) x 13.9 (depth) x 27.9 (height) cm[4] |
| Mass | 7.9 kg (17 lb)[4] |
| Predecessor | Compaq Portable 386 |
The Compaq Portable 486 is a computer released by Compaq Computer Corporation in 1991.[2] It was the last portable computer/"luggable" released under the Compaq Portable series of computers.[5]
The computer was released in several models with different hard disk configurations and in two screen types, a cheaper monochrome version and a more expensive active matrix color version, known as the Compaq Portable 486c.[5][6] The street price upon its release for with a 120 MB hard disk was US$5,899 for the monochrome version and US$9,999 for the active matrix color version[5][6] For a model with 210 MB hard disk the price was US$6,899, for the monochrome version and US$10,999 for the active matrix color version, but was not available until after May 1992.[5][6]
Both versions are equipped with a socketed 33 MHz[5][6] Intel 80486DX CPU, 4 MB DRAM (72-pin SIMM),[1] 1.44 MB 3.5" floppy, 120[4] - 1000 MB hard disk drive[1] (P-ATA),[3] and SCSI port for CD-ROM or tape.[3] On the front of the unit there two dials underneath the PC-speaker to adjust the brightness of the screen and the volume of the PC-speaker. The PC-speaker in the Compaq Portable 486 is unique in that there is a 3.5 mm audio input jack on the side of the unit to allow a third party ISA sound card to pass through its audio output to the PC speaker.[5]
Compaq also released 2 versions of the Compaq Portable 486 with a faster, 66 MHz Intel 80486DX2 CPU, named the Compaq Portable 486/66 for the monochrome version and the Compaq Portable 486/66c for the color version[5]
Compaq also worked with Network General which released branded versions of the Compaq Portable 486 as "Network Sniffers"[7]
Environmental limits are:
- Temperature operating 10 - 40 °C, nonoperating -30 - 60 °C
- Relative humidity (noncondensing) Operating 20% - 80%, Nonoperating 5% - 90%
- Maximum unpressurized altitude operating 3050 meters, nonoperating 9150 meters
- Shock 40 G, 11 ms, half sine (nonoperating Vibration, Operating 0.25 G, 5 – 500 Hz, 1/2 octave/min sweep Nonoperating 1.0 G, 5 – 500 Hz, 1/2 octave/min sweep
References
- ↑ 1.0 1.1 1.2 1.3 loreoutlet.dyndns.org - Computer COLLsite: Portables
- ↑ 2.0 2.1 2.2 1000bit.it - ---+ 1000 BiT +--- Computer's description
- ↑ 3.0 3.1 3.2 3.3 mcamafia.de - My Portable Computers
- ↑ 4.0 4.1 4.2 helpowl.com - Compaq Portable 486 compaq portable 486
- ↑ 5.0 5.1 5.2 5.3 5.4 5.5 5.6 admin (2019-11-13). "The Compaq Portable 486" (in en-US). https://www.retropaq.com/the-compaq-portable-486/.
- ↑ 6.0 6.1 6.2 6.3 books.google.com - InfoWorld 1992-05-04
- ↑ "The Last Portable - Meet the Compaq Portable 486". 13 November 2019. https://www.retropaq.com/the-compaq-portable-486/.
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