ULTRASTOR CORPORATION

ULTRA 34FA REV.A

Data bus:

32-bit, VL-bus

Size:

Full-length, full-height card

Hard drive supported:

Up to seven SCSI devices

Floppy drives supported:

Two 360KB, 720KB, 1.2MB or 1.44MB drives

CONNECTIONS

Function

Location

50-pin SCSI connector - internal

J1

50-pin SCSI connector - external

J2

34-pin control cable connector - floppy drive

J3

4-pin connector - drive active LED

JP4

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

Ultra 34FA supplies terminator power

JP1

pins 1 & 2 closed

 

Bus supplies terminator power

JP1

pins 2 & 3 closed

»

16 DWORD Burst Transfer Length enabled

JP2

pins 1 & 2 closed

 

8 DWORD Burst Transfer Length enabled

JP2

pins 2 & 3 closed

»

Factory configured - do not alter

JP3

pins 1 & 2 closed

»

Floppy controller enabled

S1/1

on

 

Floppy controller disabled

S1/1

off

»

I/O and BIOS addresses set by software

S1/8

on

 

I/O and BIOS addresses set by S1/2-S1/7

S1/8

off

BIOS ADDRESS

Address

S1/Switch 2

S1/Switch 3

S1/Switch 4

»

Disabled

on

on

on

 

C4000h

on

on

off

 

C8000h

on

off

on

 

CC000h

on

off

off

BIOS ADDRESS

Address

S1/Switch 2

S1/Switch 3

S1/Switch 4

D0000h

off

on

on

D4000h

off

on

off

D8000h

off

off

on

DC000h

off

off

off

Note:S1/switch 8 must be set to the off position to enable switch controlled BIOS address settings.

I/O ADDRESS

Address

S1/Switch 5

S1/Switch 6

S1/Switch 7

»

330h

on

on

on

 

130h

off

off

on

 

140h

off

off

off

 

210h

off

on

off

 

230h

on

off

off

 

240h

off

on

on

 

310h

on

off

on

 

340h

on

on

off

Note:S1/switch 8 must be set to the off position to enable switch controlled I/O address settings.

I/O ADDRESS

Address

JP20/Jumper A

JP20/Jumper B

»

240h

closed

open

 

140h

open

open

 

220h

open

closed

 

340h

closed

closed

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