|
| Introduced |
August 12, 1981 |
| Discontinued |
April 2, 1987 |
| Introduction Price |
|
| Microprocessor |
80C88 |
| Clock speed |
4.77Mhz |
| Bus type |
ISA (Industry Standard
Architecture) |
| Bus width |
8-bit |
| Interrupt levels |
8 (6 usable) |
| DMA channels |
4 (3 usable) |
| Standard on system board |
256k |
| Maximum on system board |
256k |
| Maximum total memory |
512k |
| Memory speed and type |
200ns CMOS Static ram chips |
| Standard
Features |
|
|
Disk Storage |
|
| ROM size |
64k |
***** |
Internal disk and tape drive
bays |
2 half height |
| Optional math coprocessor |
? |
***** |
Standard floppy drives |
2 - 3 1/2" FDD |
| Standard graphics |
none |
|
Optional floppy drives: |
|
| Parallel printer ports |
none |
|
* 5 1/4 inch 360k |
No |
| RS232C serial ports |
none |
|
* 5 1/4 inch 1.2MB |
No |
| Mouse ports |
none |
|
* 3 1/2 inch 720k |
Standard |
| UART chip used |
|
|
* 3 1/2 inch 1.44MB |
No |
| Maximum speed |
|
|
* 3 1/2 inch 2.88MB |
No |
| CMOS real time clock |
no |
|
Hard disk controller included |
No |
| CMOS RAM |
none |
|
|
|
| Expansion
Slots |
|
|
Keyboard
Specs. |
|
| Total adapter slots |
5-8 bit |
|
Number of keys |
78 |
| Number of 8/16/32 bit slots |
5/0/0 |
|
Keyboard cable length |
none |
| Physical
Specs. |
|
|
Enviromental
Specs. |
|
| Dimensions: |
|
|
Power supply output |
15VDC |
| * Height |
14.17 inches |
|
Operating voltage @ 60 Hz |
104-127VAC |
| * Width |
12.19 inches |
|
Maximum current |
|
| * Depth |
16.0 inches |
|
|
|
| * Weight (including battery) |
12.17 pounds |
|
|
|
|
