ALPHA MICROSYSTEMS AM-190 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 [Image] 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 J3 +12v chassis fan power JX2 port AUI port J4 +5v chassis fan power JY1 Front panel connector J5 +12v chassis fan power JY2 SCSI interface J6 AM-191 boot module SL1 slot USER CONFIGURABLE SETTINGS Function Label Position » Remote reset disabled W7 Open Remote reset enabled W7 Closed » Timeout clock source select W8 Pins 2 & 3 1MHz closed Timeout clock source select W8 Pins 1 & 2 500KHz closed » Factory configured - do not W9 Closed alter » Factory configured - do not W11 Closed alter » Factory configured - do not W12 Closed alter » Ethernet sonic chip select 1/2 W13 Pins 1 & 2 BCLK closed Ethernet sonic chip select 1 W13 Pins 2 & 3 BCLK closed » Factory configured - do not W15 Closed alter » MMU enabled W16/pins 1 & 2 Open MMU disabled W16/pins 1 & 2 Closed » Factory configured - do not W18 Open alter » Factory configured - do not W19 Closed alter » 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 Pins 2 & 3 Pins 2 & 3 closed closed closed RS422 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed SERIAL PORT 2 SELECTION Setting W2 W4 W6 » RS232 Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 closed closed closed RS422 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed closed closed MAIN BOOT SELECTION Setting SW1/5 SW1/6 SW1/7 SW1/8 Floppy Off Off Off Off SCSI disk Off Off Off On drive 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.