| Online Sun Information ArcHive |
|
| Online Sun Information ArcHive |
|
| Aliases | |
| Date | |
| CPUs | 1 |
| Clock speed | 15.7 MHz |
| Processor | Motorola 68020 |
| Co-processor | Motorola 68881 |
| MMU | Sun-3, 8 hardware contexts |
| Motherboard | 501-1075, 501-1133, 501-1162, 501-1207 |
| On-chip cache | |
| External cache | |
| Memory |
4 MB,
256 MB virtual
Uses 270ns memory. third-party memory expansion boards were sold, allowing up to at least 12 MB. |
| Speed | 1.5 MIPS |
| Chassis type |
wide pizzabox
On older machines, the monitor is not separated from the chassis. |
| Bus | none |
| Ports |
(1) SCSI.
(1) AUI or BNC ethernet (switchable). (2) serial ports. (1) ECL graphics. (1) keyboard and mouse. |
| Internal storage | |
| Graphics |
Cycle-stealing monochrome frame buffer (1152 x 900).
Graphics memory is mapped into the main memory. |
| Power supply | |
| Architecture | sun3 |
| OS's supported |
First supported in SunOS 3.0.
Last supported in SunOS 4.1.1U1. |
| Notes |
Code-named "Model 25".
No bus or P4 connector. 68881 installed on 501-1207, empty socket for 501-1075 501-1133 501-1162. |
| Comments | |
| See also.. |
Last modified: 2000.10.19.20.38.23 CDT Server time: 2009.07.04.00.05.37 GMT