DTK COMPUTER, INC.
MINI/MICRO-4 FDC, PII-158B
Card Type | Floppy drive controller |
Chipset/Controller | Unknown |
I/O Options | Floppy drive interface (2) |
Maximum DRAM | N/A |

CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Floppy drive interface | P1 | Floppy drive interface | P2 |
FLOPPY DRIVE SPEED SETTING | ||
Speed Setting | JP1 | |
» | Single | Pins 1 & 2 closed |
| Dual | Pins 2 & 3 closed |
FLOPPY DRIVE DATA RATE | ||
Data Rate (KB/s) | Precompensation (ns) | JP2 |
500 | 125 | Pins 2 & 3 closed |
250 | 125 | Pins 2 & 3 closed |
300 | 125 | Pins 2 & 3 closed |
250 | 125 | Pins 2 & 3 closed |
250 | 125 | Pins 2 & 3 closed |
1000 | 83 | Pins 2 & 3 closed |
1000 | 83 | Pins 2 & 3 closed |
500 | 125 | Pins 1 & 2 closed |
125 | 250 | Pins 1 & 2 closed |
125 | 208 | Pins 1 & 2 closed |
125 | 250 | Pins 1 & 2 closed |
125 | 250 | Pins 1 & 2 closed |
1000 | 83 | Pins 1 & 2 closed |
1000 | 83 | Pins 1 & 2 closed |
SYSTEM TYPE CONFIGURATION | ||
Type | JP3 | |
» | XT/compatible | Closed |
| AT/compatible | Open |
FLOPPY DRIVE ADDRESS SETTINGS | ||||
Address | JP4/A | JP4/B | JP4/C | JP4/D |
CAOOOh-CBFFFh | Closed | Open | Closed | Open |
CCCOOh-CDFFFh | Open | Closed | Open | Closed |
CEOOOh-CFFFFh | Closed | Open | Open | Closed |
DRIVE TYPE SELECTION | ||||||||
| Drive A | Drive B | Drive C | Drive D | ||||
Type | JP5/A | JP5/B | JP5/C | JP5/D | JP5/E | JP5/F | JP5/G | JP5/H |
360KB | Closed | Closed | Closed | Closed | Closed | Closed | Closed | Closed |
720KB | Open | Closed | Open | Closed | Open | Closed | Open | Closed |
1.2MB | Closed | Open | Closed | Open | Closed | Open | Closed | Open |
1.44MB | Open | Open | Open | Open | Open | Open | Open | Open |