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AVA-1505

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

CONNECTIONS
Function Location
50-pin SCSI connector - external J5
50-pin SCSI connector - internal J6

 
USER CONFIGURABLE SETTINGS
Function Location Setting
Adapter I/O address is 340h J1/1 open
     Adapter I/O address is 140h J1/1 closed

 
INTERRUPT SELECTION
IRQ J1/2 J1/3 J1/4 J1/5
11 open closed open open
     9 open open open closed
     10 open open closed open
     12 closed open open open

 
MISCELLANEOUS TECHNICAL NOTES
Only single-ended devices are supported.
When connecting both external & internal devices to AVA-1505 remove terminators.

 

AVA-2825

Hard Drives supported Two IDE (AT) drives
Up to 7 Fast SCSI-2 devices
Floppy drives supported Two 360KB, 720KB, 1.2MB, or 1.44MB drives
Data Bus 32-bit VESA Local Bus
Card Size Three-quarter length, full-height

CONNECTIONS
Function Location Function Location
4-pin connector - drive active LED J1 50-pin SCSI connector - internal J4
40-pin IDE(AT) connector J2 50-pin SCSI connector - external J5
34-pin cable connector - floppy drive J3    

 
USER CONFIGURABLE SETTINGS
Function Label Position
SCSI I/O base address is 340h-35Fh J7 Pins 1 & 2 closed
     SCSI I/O base address is 140h-15Fh J7 Pins 2 & 3 closed
Floppy drive interface enabled SW1/1 on
     Floppy drive interface disabled SW1/1 off
IDE(AT) interface enabled SW1/2 off
     IDE(AT) interface disabled SW1/2 on

 
BIOS ADDRESS SELECTION
Address SW1/3 SW1/4
     C8000h off off
     CC000h off on
     D8000h on off
DC000h on on

 
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