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ULTRASTOR CORPORATION

ULTRA15C

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

CONNECTIONS
Function Location
34-pin control cable connector-floppy drive J1
4-pin connector-drive active LED J6
40-pin IDE (AT) Interface control cable connector JP23

 
USER CONFIGURABLE SETTINGS
Function Location Setting
     Supports a third floppy on single twisted cable (DS4) JP11/jumper 1 closed
     Supports a third floppy on double twisted cable (DS2) JP11/jumper 1 open
Hard drive port address is 1F0-1F7h JP11/jumper 2 open
     Hard drive port address is 170-177h JP11/jumper 2 closed
Floppy drive enabled JP11/jumper 3 closed
     Floppy drive disabled JP11/jumper 3 open
Floppy drive port address is 3F0-3F7h JP11/jumper 4 open
     Floppy drive port address is 370-377h JP11/jumper 4 closed
Single speed floppy drive supported JP11/jumper 5 open
     Dual speed floppy drive supported JP11/jumper 5 closed
Floppy drive precomp. is scaled by data rate:
     500KHz=125ns, 300KHz=208ns, 250KHz=250ns
JP11/jumper 6 open
     Floppy drive precomp. is 125ns JP11/jumper 6 closed
Chassis ground connection JP16 open
Hard drive interrupt is IRQ14 JP21 pins 2 & 3 closed
     Hard drive interrupt is IRQ15 JP21 pins 1 & 2 closed

 
BIOS ADDRESS
Address JP10/jumper 1 JP10/jumper 2 JP10/jumper 3
     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

 
MISCELLANEOUS TECHNICAL NOTES
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”

 

XIRLINK, INC.

SCSI CONTROLLER XL-221

Data bus: 16-bit ISA
Size: Half-length, half-height card
Hard drive supported: Up to fourteen SCSI devices
Floppy drives supported: None

CONNECTIONS
Function Location
50-pin SCSI connector - external CN1
50-pin SCSI connector - internal CN2

 
USER CONFIGURABLE SETTINGS
Function Location Setting
On-card TERMPWR enabled RN1 - RN3 installed
On-card TERMPWR disabled RN1 - RN3 Not installed

 
BASE MEMORY ADDRESS SELECT
Address JP3/A JP3/B
C800h open open
     CC00h open closed
     D800h closed open
     DC00h closed closed

 
INTERRUPT SELECT
IRQ JP2/A JP2/B JP2/C JP2/D
IRQ11 open open closed open
     IRQ10 open open open closed
     IRQ12 open closed open open
     IRQ15 closed open open open

 
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