EV-346, EV-346M Hard Disk/Floppy Controller Settings and Configuration
EVEREX SYSTEMS, INC.
EV-346, EV-346M
Data bus: 16-bit, ISA
Size: Three-quarter length, full height card
Hard drives supported: Two MFM ST506/ST412
Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB
Sector interleave: 1:1
EV-346
EV-346M (M denotes Motorola Chipset
EVEREX SYSTEMS, INC.
EV-346, EV-346M
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CONNECTIONS | |
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 control cable connector-floppy drive | J4 |
4-pin connector-drive active LED | J5 |
USER CONFIGURABLE SETTINGS | |||
Function | Location | Setting | |
| » | IRQ14 enabled (EV-346M only) | W4 | open |
IRQ14 disabled (EV-346M only) | W4 | closed | |
| » | Floppy Drive DMA Acknowledge Channel 2 disabled | W5 | open |
Floppy Drive DMA Acknowledge Channel 2 enabled | W5 | closed | |
| » | Hard drive port address is 1F0-1F7h | W6 | open |
Hard drive port address is 170-177h | W6 | closed | |
| » | Floppy drive port address is 3F2, 3F4-3F7h | W9 | open |
Floppy drive port address is 372, 375-377h | W9 | closed | |
| » | Floppy drive enabled | W10 | pins 1 & 2 closed |
Floppy drive disabled | W10 | pins 2 & 3 closed | |
| » | Hard drive enabled | W11 | pins 1 & 2 closed |
Hard drive disabled | W11 | pins 2 & 3 closed | |
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