MICRO SOLUTIONS, INC.
COMPATICARD IV
Card Type | Floppy drive controller |
Chipset/Controller | Intel |
I/O Options | Floppy drive interface (supports up to four drives) |
Maximum DRAM | N/A |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Floppy drive interface (Internal) | P2 | Floppy drive interface (External) | P4 |
Floppy drive interface (Internal) | P3 |
FACTORY CONFIGURED - DO NOT ALTER | |
Switch | Position |
SW1/switch 4 | Off |
CONTROLLER ADDRESS SELECTION | |||||
Controller | J1/Pins 1 & 2 | J1/Pins 3 & 4 | J1/Pins 5 & 6 | J1/Pins 7 & 8 | |
» | First | Closed | Open | Open | Open |
Second | Open | Closed | Open | Open | |
Third | Open | Open | Closed | Open | |
Fourth | Open | Open | Open | Closed |
EXTERNAL POWER CONFIGURATION | ||||||||
Power convention | +5V | +12V | GND | J3 | J4 | J5 | J6 | |
» | Disabled | None | None | N/A | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 |
Micro Solutions | Pin 2 | Pin 1 | Pins 20-37 | Pins 1 & 2 | Pins 1 & 2 | Pins 2 & 3 | Pins 2 & 3 | |
Alternate | Pin 4 | Pin 1 | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 | Pins 1 & 2 | Pins 2 & 3 | |
Note: Pins designated should be in the closed position. For most applications, power is supplied by a power supply in the external drive cabinet and the Power Convention should be disabled. |
BIOS ADDRESS SELECTION | ||||
Address | SW1/1 | SW1/2 | SW1/3 | |
» | CE00:0000h | Off | On | Off |
CC00:0000h | Off | Off | On | |
D000:0000h | Off | On | On | |
D800:0000h | On | Off | Off | |
DE00:0000h | On | Off | On | |
E800:0000h | On | On | Off | |
EE00:0000h | On | On | On | |
Disabled | Off | Off | Off |
DMA CHANNEL SELECTION | |||||||||
DMA | J2/7 | J2/8 | J2/9 | J2/10 | J2/11 | J2/12 | SW1/5 | SW1/6 | |
» | 2 | On | Closed | On | On | Closed | On | On | Off |
2 | On | Closed | On | On | Closed | On | Off | Off | |
1 | Closed | On | On | Closed | On | On | Off | On | |
3 | On | On | Closed | On | On | Closed | On | On | |
Note: When both switches are Off, the DMA is set for 2, and the interrupt must be set for IRQ6. |
INTERRUPT SELECTION | |||||||
IRQ | J2/1 | J2/2 | J2/3 | J2/4 | J2/5 | J2/6 | |
» | 2 | Closed | Open | Open | Open | Open | Open |
3 | Open | Closed | Open | Open | Open | Open | |
4 | Open | Open | Closed | Open | Open | Open | |
5 | Open | Open | Open | Closed | Open | Open | |
6 | Open | Open | Open | Open | Closed | Open | |
7 | Open | Open | Open | Open | Open | Closed |
DUAL SPEED DRIVE CONFIGURATION | ||
1.2MB Drive Type | SW1/7 | |
» | Single Speed | Off |
Dual Speed | On |
AUTO BOOT CONFIGURATION | ||
Auto Boot | SW1/7 | |
» | Enabled | On |
Disabled | Off | |
Note: When Auto Boot is enabled, Compaticard IV will search each drive installed looking for a DOS system disk. If no System disk is found, system boot will proceed as normal. If a DOS system disk is encountered, system will boot from that drive. |
DRIVE TYPE SELECTION | ||||
Drive Type | Position # | Cable Type Used | Connection | Setting |
360KB/1.2MB | 0 | Twisted | P2 | SW2/1 Off, SW2/2 on |
1.4MB | 1 | Straight | P2 | SW2/3 on, SW2/4 Off |
2.8MB | 2 | Twisted | P3 or P4 | SW2/5 on, SW2/6 on |
None | 3 | Straight | P3 or P4 | SW2/7 Off, SW2/8 Off |