AM-190 Motherboard Settings and Configuration

Processor	Motorola 68040
Processor Speed	66MHz
Chip Set	Unidentified
Video Chip Set	None
Maximum Onboard Memory	128MB
Maximum Video Memory	None
Cache	128KB
BIOS	Unidentified
Dimensions	330mm x 218mm
I/O Options	Floppy drive interface, SCSI interface, serial ports (2), VME bus connectors (2), I/O bus connectors (2), UPS switch contact port, Ethernet LEDs (3), Memory configuration LED, AM-191 boot module slot, AUI port
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
VME bus connector	CN1	I/O bus connector	J7
VME bus connector	CN2	I/O bus connector	J8
Serial port 1	J1	Floppy drive interface	J10
Serial port 2	J2	+5v chassis fan power	JX1
UPS switch contact port	J3	+12v chassis fan power	JX2
AUI port	J4	+5v chassis fan power	JY1
Front panel connector	J5	+12v chassis fan power	JY2
SCSI interface	J6	AM-191 boot module slot	SL1

USER CONFIGURABLE SETTINGS
Function		Label	Position
»	Remote reset disabled	W7	Open
	Remote reset enabled	W7	Closed
»	Timeout clock source select 1MHz	W8	Pins 2 & 3 closed
	Timeout clock source select 500KHz	W8	Pins 1 & 2 closed
»	Factory configured - do not alter	W9	Closed
»	Factory configured - do not alter	W11	Closed
»	Factory configured - do not alter	W12	Closed
»	Ethernet sonic chip select 1/2 BCLK	W13	Pins 1 & 2 closed
	Ethernet sonic chip select 1 BCLK	W13	Pins 2 & 3 closed
»	Factory configured - do not alter	W15	Closed
»	MMU enabled	W16/pins 1 & 2	Open
	MMU disabled	W16/pins 1 & 2	Closed
»	Factory configured - do not alter	W18	Open
»	Factory configured - do not alter	W19	Closed
»	80486 VPC disabled	W20	Open
	80486 VPC enabled	W20	Closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
4MB	(1) 1M x 36	None	None	None
8MB	(1) 1M x 36	(1) 1M x 36	None	None
12MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	None
16MB	(1) 4M x 36	None	None	None
16MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
20MB	(1) 4M x 36	(1) 1M x 36	None	None
24MB	(1) 4M x 36	(1) 1M x 36	(1) 1M x 36	None
28MB	(1) 4M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36

DRAM CONFIGURATION (CON'T)
Size	Bank 0	Bank 1	Bank 2	Bank 3
32MB	(1) 8M x 36	None	None	None
32MB	(1) 4M x 36	(1) 4M x 36	None	None
36MB	(1) 8M x 36	(1) 1M x 36	None	None
40MB	(1) 8M x 36	(1) 1M x 36	(1) 1M x 36	None
44MB	(1) 8M x 36	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36
48MB	(1) 8M x 36	(1) 4M x 36	None	None
48MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	None
64MB	(1) 8M x 36	(1) 4M x 36	(1) 4M x 36	None
64MB	(1) 8M x 36	(1) 8M x 36	None	None
64MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36
80MB	(1) 8M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36
96MB	(1) 8M x 36	(1) 8M x 36	(1) 8M x 36	None
112MB	(1) 8M x 36	(1) 8M x 36	(1) 8M x 36	(1) 4M x 36
128MB	(1) 8M x 36	(1) 8M x 36	(1) 8M x 36	(1) 8M x 36
Note: The location of banks 0, 1, 2 & 3 are unidentified. Do not install SIMM in SL1.

CACHE CONFIGURATION

Note: Board is factory installed with 128KB cache. The location is unidentified.

CACHE JUMPER CONFIGURATION (80486 CACHE)
Setting	W14
Enabled	Closed
Disabled	Open

CACHE JUMPER CONFIGURATION (68040 CACHE)
Setting	W16/pins 3 & 4
Enabled	Open
Disabled	Closed

SERIAL PORT 1 SELECTION
Setting		W1	W3	W5
»	RS232	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 2 & 3 closed
	RS422	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed

SERIAL PORT 2 SELECTION
Setting		W2	W4	W6
»	RS232	Pins 2 & 3 closed	Pins 2 & 3 closed	Pins 2 & 3 closed
	RS422	Pins 1 & 2 closed	Pins 1 & 2 closed	Pins 1 & 2 closed

MAIN BOOT SELECTION
Setting	SW1/5	SW1/6	SW1/7	SW1/8
Floppy	Off	Off	Off	Off
SCSI disk drive	Off	Off	Off	On
AM-520	Off	On	Off	Off

ALTERNATE BOOT SELECTION
Setting	SW1/1	SW1/2	SW1/3	SW1/4
None	Off	Off	Off	Off
Floppy	Off	Off	Off	On
VCR	Off	Off	On	On
SCSI streamer/DAT	Off	On	On	Off
AM-640 MagTape	Off	On	Off	Off

SCSI TERMINATION SELECTION
Setting		W10
»	SCSI termination enabled	Pins 2 & 3 closed
	SCSI termination disabled	Pins 1 & 2 closed

DIAGNOSTIC LED(S)

Note: Function of LEDs (CN3-CN6) are unidentified.