MPS (Multi-Processor System) Motherboard Settings and Configuration

Processor	80386DX/80486SX/80486DX/ODP486SX (on external CPU/NPU/Cache module)
Processor Speed	20/25/33/50MHz
Chip Set	ALR
Max. Onboard DRAM	17MB
Cache	None (16KB on external 32-bit CPU/NPU/Cache module)
BIOS	Phoenix
Dimensions	385mm x 255mm
I/O Options	32-bit external CPU/NPU/Cache module slot, 32-bit external memory module slot bus mouse port, floppy interface, IDE interface, parallel port, serial port
NPU Options	80387/3167/4167 (on external CPU/NPU/Cache module)

CONNECTIONS
Purpose	Location	Purpose	Location
Parallel port	CN1	Power LED & keylock	LED
Serial port 1	CN2	Drive power (HD or FDD)	DPWR
Bus mouse port	CN3	32-bit external CPU/NPU/Cache module	CPU
Diagnostic port	DIAG	32-bit external memory module	MEM
Fan power	FAN	32-bit MCA slots	S3 & S4
Floppy drive interface	FDD	16-bit MCA slots with video extensions	S2 & S5
IDE interface	IDE	16-bit MCA slots	S1 & S6
Speaker	SPK

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
2MB	(8) 44256	(4) 256K x 9	NONE	NONE
3MB	(8) 44256	(4) 256K x 9	(4) 256K x 9	NONE
4MB	(8) 44256	(4) 256K x 9	(4) 256K x 9	(4) 256K x 9
6MB	(8) 44256	(4) 1M x 9	(4) 256K x 9	NONE
7MB	(8) 44256	(4) 256K x 9	(4) 256K x 9	(4) 1M x 9
7MB	(8) 44256	(4) 256K x 9	(4) 1M x 9	(4) 256K x 9
7MB	(8) 44256	(4) 1M x 9	(4) 256K x 9	(4) 256K x 9
9MB	(8) 44256	(4) 1M x 9	(4) 1M x 9	NONE
10MB	(8) 44256	(4) 256K x 9	(4) 1M x 9	(4) 1M x 9
10MB	(8) 44256	(4) 1M x 9	(4) 256K x 9	(4) 1M x 9
10MB	(8) 44256	(4) 1M x 9	(4) 1M x 9	(4) 256K x 9
13MB	(8) 44256	(4) 1M x 9	(4) 1M x 9	(4) 1M x 9
17MB	(8) 44256	(4) 4M x 9	NONE	NONE
18MB	(8) 44256	(4) 4M x 9	(4) 256K x 9	NONE
19MB	(8) 44256	(4) 256K x 9	(4) 256K x 9	(4) 4M x 9
19MB	(8) 44256	(4) 256K x 9	(4) 4M x 9	(4) 256K x 9
19MB	(8) 44256	(4) 4M x 9	(4) 256K x 9	(4) 256K x 9
21MB	(8) 44256	(4) 1M x 9	(4) 4M x 9	NONE
21MB	(8) 44256	(4) 4M x 9	(4) 1M x 9	NONE
22MB	(8) 44256	(4) 256K x 9	(4) 1M x 9	(4) 4M x 9
22MB	(8) 44256	(4) 1M x 9	(4) 256K x 9	(4) 4M x 9
22MB	(8) 44256	(4) 1M x 9	(4) 4M x 9	(4) 256K x 9
22MB	(8) 44256	(4) 4M x 9	(4) 256K x 9	(4) 1M x 9
22MB	(8) 44256	(4) 4M x 9	(4) 1M x 9	(4) 256K x 9
25MB	(8) 44256	(4) 1M x 9	(4) 1M x 9	(4) 4M x 9
25MB	(8) 44256	(4) 1M x 9	(4) 4M x 9	(4) 1M x 9
25MB	(8) 44256	(4) 4M x 9	(4) 1M x 9	(4) 1M x 9
33MB	(8) 44256	(4) 4M x 9	(4) 4M x 9	NONE
34MB	(8) 44256	(4) 256K x 9	(4) 4M x 9	(4) 4M x 9
34MB	(8) 44256	(4) 4M x 9	(4) 256K x 9	(4) 4M x 9
34MB	(8) 44256	(4) 4M x 9	(4) 4M x 9	(4) 256K x 9
37MB	(8) 44256	(4) 1M x 9	(4) 4M x 9	(4) 4M x 9
37MB	(8) 44256	(4) 4M x 9	(4) 1M x 9	(4) 4M x 9
37MB	(8) 44256	(4) 4M x 9	(4) 4M x 9	(4) 1M x 9
49MB	(8) 44256	(4) 4M x 9	(4) 4M x 9	(4) 4M x 9
Note:Banks 2 & 3 are utilized when a 32-bit external memory module is installed.