ERGOPRO C4/33, C4/33B, D4/25, D4/33D Motherboard Settings and Configuration

Processor	80486SX/80487SX/80486DX/80486DX2/Pentium Overdrive
Processor Speed	25/33/66(internal)MHz
Chip Set	Headland
Max. Onboard DRAM	32MB
Cache	128KB
BIOS	ICL
Dimensions	432mm x 368mm
I/O Options	PS/2 mouse port, parallel port, serial port, VGA port, VGA feature connector, AUI port, 10 base T port, floppy drive interface, IDE interface, riser slot
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
VGA port	CN1	Cache connector	CN10
PS/2 mouse port	CN2	Chassis fan power	J3
Parallel port	CN3	IDE interface LED	J4
AUI port	CN4	Reset switch	J6
10 base T port	CN5	Chassis fan power	J7
Serial port	CN6	Speaker	J8
VGA feature connector	CN7	SCSI interface LED	J9
IDE interface	CN8	Riser Card	SL1
Floppy drive interface	CN9

USER CONFIGURABLE SETTINGS
Function		Jumper	Position
»	On board VGA enabled	J1	Open
	On board VGA disabled	J1	Closed
»	CMOS memory normal operation	J2	Open
	CMOS memory clear	J2	Closed
»	Boot block disabled	J5	Open
	Boot block enabled	J5	Closed

DRAM CONFIGURATION
Size	Bank 0	Bank 1
4MB	(4) 1M x 9	NONE
8MB	(4) 1M x 9	(4) 1M x 9
16MB	(4) 4M x 9	NONE
20MB	(4) 4M x 9	(4) 1M x 9
32MB	(4) 4M x 9	(4) 4M x 9

CACHE CONFIGURATION
Size	CN10
128KB	Module installed
Note: There are two CN10 connectors.

CACHE JUMPER CONFIGURATION
Setting	J10
Installed	Open
Not installed	Closed

VRAM CONFIGURATION
Size	Bank 0	Bank 1
512KB	(2) 256K x 8	NONE
1MB	(2) 256K x 8	(2) 256K x 8