C747 (Ver. 002) Motherboard Settings and Configuration

CAF TECHNOLOGY, INC.

C747 (Ver. 002)

Processor
80386DX/CX486DLC/80486SX/80487SX/80486DX/80486DX2
Processor Speed
20/25/33/40/50(internal)/50/66(internal)MHz
Chip Set
EFAR
Max. Onboard DRAM
32MB
SRAM Cache
64/256KB
BIOS
AMI
Dimensions
331mm x 219mm
I/O Options
Floppy drive interface, game port, IDE interface, parallel port, serial port (2)
NPU Options
80387/CX83D87/3167

CONNECTIONS
Purpose
Location
Purpose
Location
External battery
J3
Floppy drive interface
CN1
IDE interface LED
J5
Serial port 1
CN2
Reset switch
J6
Serial port 2
CN3
Speaker
J7
IDE interface
CN4
Turbo switch
J8
Parallel port
CN5
Turbo LED
J9
Game port
CN6
Power LED & keylock
J10

USER CONFIGURABLE SETTINGS
Function
Jumper
Position
»
Monitor type select color
JP1
closed

Monitor type select monochrome
JP1
open
»
CMOS memory normal operation (internal battery)
JP6
pins 2 & 3 closed

CMOS memory normal operation (external battery)
JP6
open

CMOS memory clear
JP6
pins 1 & 2 closed

SRAM JUMPER CONFIGURATION
Size
JP2
JP7
JP8
JP9
64KB
open
open
open
open
256KB
closed
closed
closed
open

SRAM CONFIGURATION
Size
Bank 0
TAG
64KB
(8) 8K x 8
(1) 8K x 8
256KB
(8) 32K x 8
(1) 32K x 8

CPU TYPE CONFIGURATION
CPU
JP3
JP4
JP5
80486DX2 1
pins 1 & 2 closed
closed
pins 2 & 3 closed
80486DX 1
pins 1 & 2 closed
closed
pins 2 & 3 closed
80487SX 1
pins 1 & 2 closed
closed
pins 1 & 2 closed
CX486DLC 2
N/A
N/A
N/A
80486SX 1
pins 2 & 3 closed
open
open
80368DX 2
N/A
N/A
N/A
Note 1 :Jumpers JP10, JP11, JP12, JP13, JP14, JP15, JP16, JP17, JP18, JP19, JP20, pins 2 & 3 closed.
Note 2 :Jumpers JP10, JP11, JP12, JP13, JP14, JP15, JP16, JP17, JP18, JP19, JP20, 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
5MB
(4) 1M x 9
(4) 256K x 9
8MB
(4) 1M x 9
(4) 1M x 9
16MB
(4) 4M x 9
NONE
20MB
(4) 4M x 9
(4) 1M x 9
20MB
(4) 1M x 9
(4) 4M x 9
32MB
(4) 4M x 9
(4) 4M x 9

CPU CLOCK CONFIGURATION
CPU
JP21
JP22
JP23
JP30
80486-50
open
open
open
pins 2 & 3 closed
80486-40
open
open
closed
pins 2 & 3 closed
80486-33
80486DX2-66
closed
open
open
pins 2 & 3 closed
80486-25
80486DX2-50
closed
open
closed
pins 2 & 3 closed
80386-40
CX486DLC-40
open
open
closed
pins 1 & 2 closed
80386-33
CX486DLC-33
closed
open
open
pins 1 & 2 closed
80386-25
closed
open
closed
pins 1 & 2 closed
80386-20
80486-20
open
closed
open
pins 1 & 2 closed

I/O CONTROLLER CONFIGURATION
Device
Jumper
Enabled
Disabled
Game port (CN6)
JP24
open
closed
IDE interface (CN4)
JP25
open
closed
Parallel port (CN5)
JP26
open
closed
Floppy drive interface (CN1)
JP27
open
closed
COM1 (CN2)
JP28
open
closed
COM2 (CN3)
JP29
open
closed

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C747 (Ver. 002) Motherboard Settings and Configuration

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Processor	80386DX/CX486DLC/80486SX/80487SX/80486DX/80486DX2
Processor Speed	20/25/33/40/50(internal)/50/66(internal)MHz
Chip Set	EFAR
Max. Onboard DRAM	32MB
SRAM Cache	64/256KB
BIOS	AMI
Dimensions	331mm x 219mm
I/O Options	Floppy drive interface, game port, IDE interface, parallel port, serial port (2)
NPU Options	80387/CX83D87/3167

CONNECTIONS
Purpose	Location	Purpose	Location
External battery	J3	Floppy drive interface	CN1
IDE interface LED	J5	Serial port 1	CN2
Reset switch	J6	Serial port 2	CN3
Speaker	J7	IDE interface	CN4
Turbo switch	J8	Parallel port	CN5
Turbo LED	J9	Game port	CN6
Power LED & keylock	J10

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	Monitor type select color	JP1	closed
	Monitor type select monochrome	JP1	open
»	CMOS memory normal operation (internal battery)	JP6	pins 2 & 3 closed
	CMOS memory normal operation (external battery)	JP6	open
	CMOS memory clear	JP6	pins 1 & 2 closed

SRAM JUMPER CONFIGURATION
Size	JP2	JP7	JP8	JP9
64KB	open	open	open	open
256KB	closed	closed	closed	open

SRAM CONFIGURATION
Size	Bank 0	TAG
64KB	(8) 8K x 8	(1) 8K x 8
256KB	(8) 32K x 8	(1) 32K x 8

CPU TYPE CONFIGURATION
CPU	JP3	JP4	JP5
80486DX2 1	pins 1 & 2 closed	closed	pins 2 & 3 closed
80486DX 1	pins 1 & 2 closed	closed	pins 2 & 3 closed
80487SX 1	pins 1 & 2 closed	closed	pins 1 & 2 closed
CX486DLC 2	N/A	N/A	N/A
80486SX 1	pins 2 & 3 closed	open	open
80368DX 2	N/A	N/A	N/A
Note 1 :Jumpers JP10, JP11, JP12, JP13, JP14, JP15, JP16, JP17, JP18, JP19, JP20, pins 2 & 3 closed. Note 2 :Jumpers JP10, JP11, JP12, JP13, JP14, JP15, JP16, JP17, JP18, JP19, JP20, 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
5MB	(4) 1M x 9	(4) 256K x 9
8MB	(4) 1M x 9	(4) 1M x 9
16MB	(4) 4M x 9	NONE
20MB	(4) 4M x 9	(4) 1M x 9
20MB	(4) 1M x 9	(4) 4M x 9
32MB	(4) 4M x 9	(4) 4M x 9

CPU CLOCK CONFIGURATION
CPU	JP21	JP22	JP23	JP30
80486-50	open	open	open	pins 2 & 3 closed
80486-40	open	open	closed	pins 2 & 3 closed
80486-33 80486DX2-66	closed	open	open	pins 2 & 3 closed
80486-25 80486DX2-50	closed	open	closed	pins 2 & 3 closed
80386-40 CX486DLC-40	open	open	closed	pins 1 & 2 closed
80386-33 CX486DLC-33	closed	open	open	pins 1 & 2 closed
80386-25	closed	open	closed	pins 1 & 2 closed
80386-20 80486-20	open	closed	open	pins 1 & 2 closed

I/O CONTROLLER CONFIGURATION
Device	Jumper	Enabled	Disabled
Game port (CN6)	JP24	open	closed
IDE interface (CN4)	JP25	open	closed
Parallel port (CN5)	JP26	open	closed
Floppy drive interface (CN1)	JP27	open	closed
COM1 (CN2)	JP28	open	closed
COM2 (CN3)	JP29	open	closed