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AMM-1525M

Card Type Hard drive controller/Sound card
Hard Drives supported Two IDE/ATAPI drives
Up to 7 SCSI devices
Floppy drives supported None
Data Bus 16-bit ISA
Card Size Three-quarter length, full-height

CONNECTIONS
Function Location Function Location
40-pin primary IDE/ATAPI connector CN1 Line in CN5
50-pin SCSI connector - internal CN2 Line out CN6
16-pin game/MIDI port CN3 Headphones/speakers CN7
Microphone in CN4 CD audio in J3

 
USER CONFIGURABLE SETTINGS
Function Label Position
IDE port address enabled J4/pins 1 & 2 open
     IDE port address disabled J4/pins 1 & 2 closed
IDE is secondary in system at 170h port address J4/pins 3 & 4 closed
     IDE is primary in system at 1F0h port address J4/pins 3 & 4 open
Sound chip base address is 220h J9 Pins 1 & 2 closed
     Sound chip base address is 240h J9 Pins 2 & 3 closed
I/O port address is 340h J10/E open
     I/O port address is 140h J10/E closed

 
SCSI INTERRUPT SELECTION
IRQ J10/A J10/B J10/C J10/D
     IRQ9 open open open closed
     IRQ10 open open closed open
IRQ11 open closed open open
     IRQ12 closed open open open

 
MISCELLANEOUS TECHNICAL NOTES
SCSI termination on the controller is always enabled and cannot be changed since the controller is always at one end of the SCSI bus.

 

AMM-1570

Data bus: 16-bit ISA
Size: Full-length, full-height card
Hard drive supported: Up to seven SCSI drives
Floppy drives supported: Two 360KB, 720KB, 1.2MB, 1.44MB, or 2.88MB drives

CONNECTIONS
Function Location
50-pin SCSI connector - internal CN1
50-pin SCSI connector - external CN2
4-pin connector - drive active LED CN3
15-pin game port - external CN4
Headphone/speaker jack J1
Line out J2
Line in J3
CD audio in J4
Mic in J10

 
USER CONFIGURABLE SETTINGS
Function Location Setting
Factory configured - do not alter J5/A open
INT 19h reroute enabled J5/B closed
     INT 19h reroute disabled J5/B open
Factory configured - do not alter J5/C open
Fast SCSI disabled J5/D open
     Fast SCSI enabled J5/D closed
Synchronous negotiation disabled J5/E open
     Synchronous negotiation enabled J5/E closed
SCSI disconnection enabled J5/F closed
     SCSI disconnection disabled J5/F open
Floptical support disabled J5/G open
     Floptical support enabled J5/G closed
Extended translation disabled J5/H open
     Extended translation enabled J5/H closed
Factory configured - do not alter J6/F open
Factory configured - do not alter J6/G open
SCSI parity checking enabled J6/H open
     SCSI parity checking disabled J6/H closed
Floppy drive enabled J7 closed
     Floppy drive disabled J7 open
Factory configured - do not alter J8 open
I/O port address is 340h - 35Eh J9/E open
     I/O port address is 140h - 15Eh J9/E closed
Host adapter BIOS enabled J9/H closed
     Host adapter BIOS disabled J9/H open

 
SCSI ID CONFIGURATION
ID J6/A J6/B J6/C
7 closed closed closed
     0 open open open
     1 closed open open
     2 open closed open
     3 closed closed open
     4 open open closed
     5 closed open closed
     6 open closed closed

 
INTERRUPT SELECTION
IRQ J6/D J6/E J9/A J9/B J9/C J9/D
11 open closed open closed open open
     9 open open open open open closed
     10 closed open open open closed open
     12 closed closed closed open open open

 
BIOS BASE ADDRESS SELECTION
Address J9/F J9/G
DC000h - DFFFFh closed closed
     C8000h - CBFFFh open open
     CC000h - CFFFFh open closed
     D8000h - DBFFFh closed open

 
SOUND CHIP BASE ADDRESS
Address J17
220h pins 1 & 2 closed
     240h pins 2 & 3 closed
     Invalid open

 
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