| GENERAL DESCRIPTION |
The 8050 and 8250 are dual, 5-1/4 inch floppy disk drive units. The
8050 uses a 77 track, 100 TPI, single headed drive. The 8250 has double
the amount of tracks, 154, with a 100 TPI double headed drive. They are
intelligent devices containing their own microprocessors, RAM, ROM and
operating system software. |
|---|
| MAXIMUM STORAGE |
| 8050 | - 1.05 Megabytes of data (formatted).
Free Blocks - 2052 |
| 8250 | - 2.12 Megabytes of data (formatted).
Free Blocks - 4133 |
|
|---|
| MEDIA |
5-1/4 inch floppy disk.
8050 - single sided, double density
8250 - double sided, double density
|
|---|
| INPUT/OUTPUT |
IEEE Interface
|
|---|
| CONTROLLERS |
2 MOS 6502 microprocessors - 1 MHz clock
|
|---|
| MEMORY DATA |
4K RAM, 16K ROM
|
|---|
| TRANSFER RATE |
400 Bytes/sec
|
|---|
| FILE TYPES |
Program, sequential, relative, random-access and user
|
|---|
| COMPUTERS |
PET, 4000 series, 8000 series, B128
|
|---|
| POWER REQUIREMENTS |
120 Volts AC, 60Hz - integral power supply with external 1 Amp fuse
|
|---|
| POWER CONSUMPTION |
50 Watts maximum - 8050
60 Watts maximum - 8250
|
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