ULTRASTOR CORPORATION
ULTRA12F24
Data bus: | 16-bit, ISA |
Size: | Three/Quarter-length, full-height card |
Hard drive supported: | Two ESDI drives |
Floppy drives supported: | Two 360KB, 720KB, 1.2MB, or 1.44MB |
CONNECTIONS | |
Function | Location |
34-pin data cable connector-floppy drive | J1 |
20-pin data cable connector-drive 1 | J3 |
20-pin data cable connector-drive 0 | J4 |
34-pin control cable connector-hard drive | J5 |
4-pin connector-drive active LED | J6 |
BIOS ADDRESS | ||||
Address | JP10/A | JP10/B | JP10/C | |
Disabled | open | open | open | |
» | C800h | open | open | closed |
CC00h | open | closed | open | |
D000h | open | closed | closed | |
D400h | closed | open | open | |
D800h | closed | open | closed | |
DC00h | closed | closed | open | |
Disabled | closed | closed | closed |
USER CONFIGURABLE SETTINGS | |||
Function | Location | Setting | |
» | Factory configured - do not alter | JP4 | pins 1 & 2 open |
» | Cache enabled | JP4 | pins 3 & 4 open |
Cache disabled | JP4 | pins 3 & 4 closed | |
» | Third drive support with a double twisted cable | JP11/A | open |
Third drive support with a single twisted cable | JP11/A | closed | |
» | Floppy Drive 1 is a 3.5 or 5.25 AT floppy | JP11/B | open |
Floppy Drive 1 is a 3.5 PS/2 floppy | JP11/B | closed | |
» | Floppy Drive 0 is a 3.5 or 5.25 AT floppy | JP11/C | open |
Floppy Drive 0 is a 3.5 PS/2 floppy | JP11/C | closed | |
» | Floppy primary port address is 3F0-3F7h | JP11/D | open |
Floppy secondary port address is 370-377h | JP11/D | closed | |
» | Single speed floppy drive support | JP11/E | open |
Dual speed floppy drive support | JP11/E | closed | |
» | Precompensation varies: 250ns, 208ns, 125ns | JP11/F | open |
Precompensation set to 125ns | JP11/F | closed | |
» | Hard disk primary I/O address is 1F0-1F7 | JP12 | open |
Hard disk secondary I/O address is 170-177h | JP12 | closed | |
» | Floppy drive enabled | JP17 | closed |
Floppy drive disabled | JP17 | open | |
» | Interrupt is IRQ14 | JP20 | pins 2 & 3 closed |
Interrupt is IRQ15 | JP20 | pins 1 & 2 closed |
DRAM CONFIGURATION NOTE |
Note: The ULTRA12F24 is installed with 32KB of cache. |