ULTRASTOR CORPORATION
ULTRA15C
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Data bus: 16-bit, PC/AT
Size: Half-length, full-height card
Hard drives supported: Two IDE (AT) Interface drives
Floppy drives supported: Three 360KB, 720KB, 1.2MB, or 1.44MB
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CONNECTIONS | |
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Function |
Location |
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34-pin control cable connector-floppy drive |
J1 |
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4-pin connector-drive active LED |
J6 |
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40-pin IDE (AT) Interface control cable connector |
JP23 |
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USER CONFIGURABLE SETTINGS | |||
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Function |
Location |
Setting | |
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Supports a third floppy on single twisted cable (DS4) |
JP11/jumper 1 |
closed | |
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Supports a third floppy on double twisted cable (DS2) |
JP11/jumper 1 |
open | |
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Hard drive port address is 1F0-1F7h |
JP11/jumper 2 |
open | |
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Hard drive port address is 170-177h |
JP11/jumper 2 |
closed | |
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Floppy drive enabled |
JP11/jumper 3 |
closed | |
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Floppy drive disabled |
JP11/jumper 3 |
open | |
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Floppy drive port address is 3F0-3F7h |
JP11/jumper 4 |
open | |
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Floppy drive port address is 370-377h |
JP11/jumper 4 |
closed | |
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Single speed floppy drive supported |
JP11/jumper 5 |
open | |
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Dual speed floppy drive supported |
JP11/jumper 5 |
closed | |
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Floppy drive precomp. is scaled by data rate: 500KHz=125ns, 300KHz=208ns, 250KHz=250ns |
JP11/jumper 6 |
open | |
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Floppy drive precomp. is 125ns |
JP11/jumper 6 |
closed | |
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Chassis ground connection |
JP16 |
open | |
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Hard drive interrupt is IRQ14 |
JP21 |
pins 2 & 3 closed | |
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Hard drive interrupt is IRQ15 |
JP21 |
pins 1 & 2 closed | |
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BIOS ADDRESS | ||||
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Address |
JP10/jumper 1 |
JP10/jumper 2 |
JP10/jumper 3 | |
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Disabled |
open |
open |
open | |
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C800h |
open |
open |
closed | |
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CC00h |
open |
closed |
open | |
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D000h |
open |
closed |
closed | |
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D400h |
closed |
open |
open | |
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D800h |
closed |
open |
closed | |
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DC00h |
closed |
closed |
open | |
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Disabled |
closed |
closed |
closed | |
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MISCELLANEOUS TECHNICAL NOTES |
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Both SIMM's must be of the same size (256K, 1MB, or 4MB) and must be rated at 100ns or less. Reserved jumper settings are as follows: JP4/jumpers 1-4 are reserved and must be left "open". JP24 is reserved and must be left "open". JP27 is reserved and must remain as is. JP22 and JP26 are factory reserved and the defaults are as follows: JP22/jumpers 1 & 2, 5 & 6, and 10 & 11 should be "open", jumpers 3 & 4, 7 & 9 should be "closed." JP26/jumpers 2 through `6 should be left "open", jumpers 1, 7 through 9 should be left "closed" |