SBC486PE PEISA SINGLE BOARD Motherboard Settings and Configuration

MONOLITHIC SYSTEMS, INC. (COLORADO MSI)

SBC486PE PEISA SINGLE BOARD

Processor
80486SX/80386DX/80486DX2
Processor Speed
25/33/40/50(internal)/50/66(internal)MHz
Chip Set
Intel
Max. Onboard DRAM
128MB
Cache
128/256KB (on 32-bit external cache module)
BIOS
AMI
Dimensions
339mm x 127mm
I/O Options
32-bit external cache module slot, PS/2 mouse port, PS/2 keyboard connector
NPU Options
None

CONNECTIONS
Purpose
Location
Purpose
Location
IDE interface LED
J1
Power LED & keylock
J7
Reset switch
J2
Auxiliary keyboard
J8
Power LED
J3
PS/2 keyboard
J9
External battery
J4
PS/2 mouse
J11
Front panel switches & LEDs
J5
32-bit external cache module
S1
Speaker
J6

USER CONFIGURABLE SETTINGS
Function
Jumper
Position
»
CMOS memory normal operation
J10
Open

CMOS memory clear
J10
Closed
»
Monitor type select color
J12
Closed

Monitor type select monochrome
J12
Open
»
Watchdog timer disabled
J13
pins 2 & 3 closed

Watchdog timer enabled
J13
pins 1 & 2 closed
»
Factory configured - do not alter
J14
Closed
»
Factory configured - do not alter
J14
Closed
»
DMA signal select active high
J16
pins 1 & 2 closed

DMA signal select active low
J16
pins 2 & 3 closed

DRAM CONFIGURATION
Size
Bank 0
Bank 1
Bank 2
Bank 3
1MB
(1) 256K x 36
NONE
NONE
NONE
2MB
(1) 512K x 36
NONE
NONE
NONE
4MB
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
(1) 256K x 36
4MB
(1) 512K x 36
(1) 512K x 36
NONE
NONE
6MB
(1) 512K x 36
(1) 512K x 36
(1) 512K x 36
NONE
8MB
(1) 1M x 36
(1) 1M x 36
NONE
NONE
8MB
(1) 2M x 36
NONE
NONE
NONE
12MB
(1) 1M x 36
(1) 1M x 36
(1) 1M x 36
NONE
16MB
(1) 2M x 36
(1) 2M x 36
NONE
NONE
16MB
(1) 4M x 36
NONE
NONE
NONE
32MB
(1) 2M x 36
(1) 2M x 36
(1) 2M x 36
(1) 2M x 36
32MB
(1) 4M x 36
(1) 4M x 36
NONE
NONE
32MB
(1) 8M x 36
NONE
NONE
NONE
48MB
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
NONE
64MB
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
(1) 4M x 36
64MB
(1) 8M x 36
(1) 8M x 36
NONE
NONE
96MB
(1) 8M x 36
(1) 8M x 36
(1) 8M x 36
NONE
128MB
(1) 8M x 36
(1) 8M x 36
(1) 8M x 36
(1) 8M x 36
Note:These are only some of the possible configurations. All modules must be of like capacity.

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SBC486PE PEISA SINGLE BOARD Motherboard Settings and Configuration

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Processor	80486SX/80386DX/80486DX2
Processor Speed	25/33/40/50(internal)/50/66(internal)MHz
Chip Set	Intel
Max. Onboard DRAM	128MB
Cache	128/256KB (on 32-bit external cache module)
BIOS	AMI
Dimensions	339mm x 127mm
I/O Options	32-bit external cache module slot, PS/2 mouse port, PS/2 keyboard connector
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
IDE interface LED	J1	Power LED & keylock	J7
Reset switch	J2	Auxiliary keyboard	J8
Power LED	J3	PS/2 keyboard	J9
External battery	J4	PS/2 mouse	J11
Front panel switches & LEDs	J5	32-bit external cache module	S1
Speaker	J6

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	CMOS memory normal operation	J10	Open
	CMOS memory clear	J10	Closed
»	Monitor type select color	J12	Closed
	Monitor type select monochrome	J12	Open
»	Watchdog timer disabled	J13	pins 2 & 3 closed
	Watchdog timer enabled	J13	pins 1 & 2 closed
»	Factory configured - do not alter	J14	Closed
»	Factory configured - do not alter	J14	Closed
»	DMA signal select active high	J16	pins 1 & 2 closed
	DMA signal select active low	J16	pins 2 & 3 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1	Bank 2	Bank 3
1MB	(1) 256K x 36	NONE	NONE	NONE
2MB	(1) 512K x 36	NONE	NONE	NONE
4MB	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36	(1) 256K x 36
4MB	(1) 512K x 36	(1) 512K x 36	NONE	NONE
6MB	(1) 512K x 36	(1) 512K x 36	(1) 512K x 36	NONE
8MB	(1) 1M x 36	(1) 1M x 36	NONE	NONE
8MB	(1) 2M x 36	NONE	NONE	NONE
12MB	(1) 1M x 36	(1) 1M x 36	(1) 1M x 36	NONE
16MB	(1) 2M x 36	(1) 2M x 36	NONE	NONE
16MB	(1) 4M x 36	NONE	NONE	NONE
32MB	(1) 2M x 36	(1) 2M x 36	(1) 2M x 36	(1) 2M x 36
32MB	(1) 4M x 36	(1) 4M x 36	NONE	NONE
32MB	(1) 8M x 36	NONE	NONE	NONE
48MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	NONE
64MB	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36	(1) 4M x 36
64MB	(1) 8M x 36	(1) 8M x 36	NONE	NONE
96MB	(1) 8M x 36	(1) 8M x 36	(1) 8M x 36	NONE
128MB	(1) 8M x 36	(1) 8M x 36	(1) 8M x 36	(1) 8M x 36
Note:These are only some of the possible configurations. All modules must be of like capacity.