MBC1013 Motherboard Settings and Configuration

DIVERSIFIED TECHNOLOGIES

MBC1013

Processor
80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor Speed
20/25/33/40/50(internal)/50/66(internal)MHz
Chip Set
Intel
Max. Onboard DRAM
32MB
Cache
64/128/256KB
BIOS
ETI
Dimensions
330mm x 218mm
I/O Options
Floppy drive interface, IDE interface, parallel port, serial ports (2), VGA port
NPU Options
4167

CONNECTIONS
Purpose
Location
Purpose
Location
Power LED & keylock
J1
External battery
J7
Speaker
J2
Floppy drive interface
J11
Turbo switch
J3
Serial port 2
J12
Reset switch
J4
IDE interface
J13
Turbo LED
J5
VGA port
J14
IDE interface LED
J6
Serial port 1
J15

USER CONFIGURABLE SETTINGS
Function
Jumper
Position
»
Monitor type select color
E17
Closed

Monitor type select monochrome
E17
Open
»
Battery select internal
E19
pins 1 & 2 closed

Battery select external
E19
pins 2 & 3 closed

CMOS memory clear
E19
Open
»
Floppy drive speed select single
E20
Open

Floppy drive speed select dual
E20
Closed
»
Floppy drive interface write pre-compensation select normal
E21
Closed

Floppy drive interface write pre-compensation select alternate
E21
Open
»
Factory configured - do not alter
E22
pins 1 & 2 closed
»
Factory configured - do not alter
E23
pins 2 & 3 closed
»
Factory configured - do not alter
E24
Open
»
Factory configured - do not alter
E25
pins 1 & 2 closed
»
Factory configured - do not alter
E26
pins 1 & 2 closed

DRAM CONFIGURATION
Size
Bank 0
Bank 1
1MB
(4) 256K x 9
NONE
2MB
(4) 256K x 9
(4) 256K x 9
4MB
(4) 1M x 9
NONE
8MB
(4) 1M x 9
(4) 1M x 9
16MB
(4) 4M x 9
NONE
32MB
(4) 4M x 9
(4) 4M x 9

CACHE CONFIGURATION
Size
Bank 0
Bank 1
TAG (U4)
TAG (U5)
Dirty Bit(U15)
64KB
(4) 8K x 8
(4) 8K x 8
(1) 8K x 8
NONE
(1) 64K x 1
128KB
(4) 32K x 8
NONE
(1) 8K x 8
NONE
(1) 64K x 1
256KB
(4) 32K x 8
(4) 32K x 8
(1) 8K x 8
(1) 8K x 8
(1) 64K x 1

CACHE JUMPER CONFIGURATION
Cache Size
E1
E3
E4
E5
64KB
Open
Open
pins 2 & 3 closed
Open
128KB
Closed
Closed
pins 1 & 2 closed
Open
256KB
Closed
Closed
pins 2 & 3 closed
Closed

CPU SPEED CONFIGURATION
Speed
E10
E11
E12
E13
E14
20MHz
Closed
Open
Open
Open
Open
25MHz
Open
Closed
Open
Open
Open
33MHz
Open
Open
Closed
Open
Open
40MHz
Open
Open
Open
Closed
Open
50iMHz
Open
Closed
Open
Open
Open
50MHz
Open
Open
Open
Open
Closed
66iMHz
Open
Open
Closed
Open
Open

CPU TYPE CONFIGURATION
Type
E2
E6
E7
80486SX
pins 2 & 3 closed
Open
Open
80487SX
pins 1 & 2 closed
pins 2 & 3 closed
Closed
ODP486SX
pins 1 & 2 closed
pins 2 & 3 closed
Closed
80486DX
pins 1 & 2 closed
pins 1 & 2 closed
Closed
80486DX2
pins 1 & 2 closed
pins 1 & 2 closed
Closed

VGA PORT CONFIGURATION
Setting
E8
E27
E28
»
VGA port enabled
pins 1 & 2 closed
pins 2 & 3 closed
pins 2 & 3 closed

VGA port disabled
pins 2 & 3 closed
pins 1 & 2 closed
pins 1 & 2 closed

PARALLEL PORT CONFIGURATION
IRQ
E15
E16
IRQ7
Closed
Open
IRQ5
Open
Closed

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Processor	80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor Speed	20/25/33/40/50(internal)/50/66(internal)MHz
Chip Set	Intel
Max. Onboard DRAM	32MB
Cache	64/128/256KB
BIOS	ETI
Dimensions	330mm x 218mm
I/O Options	Floppy drive interface, IDE interface, parallel port, serial ports (2), VGA port
NPU Options	4167

CONNECTIONS
Purpose	Location	Purpose	Location
Power LED & keylock	J1	External battery	J7
Speaker	J2	Floppy drive interface	J11
Turbo switch	J3	Serial port 2	J12
Reset switch	J4	IDE interface	J13
Turbo LED	J5	VGA port	J14
IDE interface LED	J6	Serial port 1	J15

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Monitor type select color	E17	Closed
	Monitor type select monochrome	E17	Open
»	Battery select internal	E19	pins 1 & 2 closed
	Battery select external	E19	pins 2 & 3 closed
	CMOS memory clear	E19	Open
»	Floppy drive speed select single	E20	Open
	Floppy drive speed select dual	E20	Closed
»	Floppy drive interface write pre-compensation select normal	E21	Closed
	Floppy drive interface write pre-compensation select alternate	E21	Open
»	Factory configured - do not alter	E22	pins 1 & 2 closed
»	Factory configured - do not alter	E23	pins 2 & 3 closed
»	Factory configured - do not alter	E24	Open
»	Factory configured - do not alter	E25	pins 1 & 2 closed
»	Factory configured - do not alter	E26	pins 1 & 2 closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1
1MB	(4) 256K x 9	NONE
2MB	(4) 256K x 9	(4) 256K x 9
4MB	(4) 1M x 9	NONE
8MB	(4) 1M x 9	(4) 1M x 9
16MB	(4) 4M x 9	NONE
32MB	(4) 4M x 9	(4) 4M x 9

CACHE CONFIGURATION
Size	Bank 0	Bank 1	TAG (U4)	TAG (U5)	Dirty Bit(U15)
64KB	(4) 8K x 8	(4) 8K x 8	(1) 8K x 8	NONE	(1) 64K x 1
128KB	(4) 32K x 8	NONE	(1) 8K x 8	NONE	(1) 64K x 1
256KB	(4) 32K x 8	(4) 32K x 8	(1) 8K x 8	(1) 8K x 8	(1) 64K x 1

CACHE JUMPER CONFIGURATION
Cache Size	E1	E3	E4	E5
64KB	Open	Open	pins 2 & 3 closed	Open
128KB	Closed	Closed	pins 1 & 2 closed	Open
256KB	Closed	Closed	pins 2 & 3 closed	Closed

CPU SPEED CONFIGURATION
Speed	E10	E11	E12	E13	E14
20MHz	Closed	Open	Open	Open	Open
25MHz	Open	Closed	Open	Open	Open
33MHz	Open	Open	Closed	Open	Open
40MHz	Open	Open	Open	Closed	Open
50iMHz	Open	Closed	Open	Open	Open
50MHz	Open	Open	Open	Open	Closed
66iMHz	Open	Open	Closed	Open	Open

CPU TYPE CONFIGURATION
Type	E2	E6	E7
80486SX	pins 2 & 3 closed	Open	Open
80487SX	pins 1 & 2 closed	pins 2 & 3 closed	Closed
ODP486SX	pins 1 & 2 closed	pins 2 & 3 closed	Closed
80486DX	pins 1 & 2 closed	pins 1 & 2 closed	Closed
80486DX2	pins 1 & 2 closed	pins 1 & 2 closed	Closed

VGA PORT CONFIGURATION
Setting		E8	E27	E28
»	VGA port enabled	pins 1 & 2 closed	pins 2 & 3 closed	pins 2 & 3 closed
	VGA port disabled	pins 2 & 3 closed	pins 1 & 2 closed	pins 1 & 2 closed

PARALLEL PORT CONFIGURATION
IRQ	E15	E16
IRQ7	Closed	Open
IRQ5	Open	Closed