RMT SYSTEMS, INC.
RMT2001-F2H2
Data bus: 8-bit, ISA
Size: Full-length, full-height card
Hard drives supported: Two MFM ST506/ST412 drives (5MB to 140MB)
Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB
Maximum heads/cyl.: 16 heads and 1024 cylinders

CONNECTIONS | |
Function | Location |
34-pin control cable connector-hard drive | J1 |
20-pin data cable connector-drive 0 | J2 |
20-pin data cable connector-drive 1 | J3 |
34-pin data cable connector-floppy drive | J4 |
USER CONFIGURABLE SETTINGS | |||
Function | Location | Setting | |
| » | Drive 0 has 8 heads or less | JP1 | pins 4 & 6 closed |
Drive 0 has more than 8 heads | JP1 | pins 2 & 4 closed | |
| » | Drive 1 has 8 heads or less | JP1 | pins 1 & 3 closed |
Drive 1 has more than 8 heads | JP1 | pins 3 & 5 closed | |
| » | Single speed floppyDrive (Dual-speed not supported) | JP2 | open |
| » | Hard drive port address 1F0-1F7h | JP3/jumper 1 | closed |
Hard drive port address 170-177h | JP3/jumper 1 | open | |
| » | Floppy drive port address 3F0-3F7h | JP3/jumper 2 | closed |
Floppy drive port address 370-377h | JP3/jumper 2 | open | |
| » | Factory configured - do not alter | JP3/jumper 3 | open |
| » | Factory configured - do not alter | JP3/jumper 4 | open |
| » | Hard Drive Interrupt is IRQ5 | JP4 | pins 1 & 2 closed |
Hard Drive Interrupt is IRQ2 (Not supported) | JP4 | pins 2 & 3 closed | |
| » | Select IRQ6 | JP5/jumpers 1-6 | closed |
| » | Select DMA Channel 2 | JP6/jumpers 1-6 | closed |
Note: JP3/jumpers 3 and 4 allows you to use one EPROM for both BIOS's. Closing JP3/3 connects A13 to socket U12 (pin 26) Closing JP3/4 redirects the hard drive BIOS select to socket U12 (pin 27) | |||
BIOS ADDRESS | ||
Address | JP3/jumper 5 | JP3/jumper 6 |
CC00h | closed | open |
CE00h | open | closed |
HARD DRIVE TYPE | ||||
HARD DRIVE 0 | HARD DRIVE 1 | |||
HD Type | SW1/switch 5 | SW1/switch 6 | SW1/switch 7 | SW1/switch 8 |
1 | closed | closed | closed | closed |
2 | open | closed | open | closed |
3 | closed | open | closed | open |
4 | open | open | open | open |
FLOPPY DRIVE TYPE | ||||
FLOPPY DRIVE 1 | FLOPPY DRIVE 2 | |||
Type | SW1/switch 1 | SW1/switch 2 | SW1/switch 3 | SW1/switch 4 |
360KB | open | open | open | open |
1.2MB | open | closed | open | closed |
720KB | closed | open | closed | open |
1.44MB | closed | closed | closed | closed |
HARD DRIVE TYPES SUPPORTED | |||||
DRIVE TYPE | HEADS | CYLINDERS | RWC | PRECOMP. | STEP RATE |
1 | 6 | 640 | 210 | 210 | 18 m s |
2 | 6 | 820 | none | 410 | 18 m s |
3 | 5 | 733 | none | 367 | 18 m s |
4 | 4 | 615 | none | 307 | 30 m s |