NCR CORPORATION

MODEL 3230

Processor	80486SX/486Overdrive/80487SX/80486DX/486Overdrive/80486DX2
Processor Speed	25/33/50(internal)/66(internal)MHz
Chip Set	Unidentified
Video Chip Set	Unidentified
Maximum Onboard Memory	32MB
Maximum Video Memory	1MB
Cache	Unidentified
BIOS	Unidentified
Dimensions	254mm x 218mm
I/O Options	Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), VGA port, riser slot
NPU Options	None

CONNECTIONS
Purpose	Location	Purpose	Location
Serial port 2	J2	IDE interface	J11
Serial port 1	J3	Front panel LEDs	J15
Parallel port	J4	Cache memory connector	P1
VGA port	J5	Floppy drive interface	P9
PS/2 mouse port	J6	Riser slot	SL1

USER CONFIGURABLE SETTINGS
Function		Label	Position
	Jumper not used	J16	N/A
	Password normal operation	RK1	Open
	Password clear	RK1	Closed
	On board video enabled	SW1/1	On
	On board video disabled	SW1/1	Off
	Monitor type select color	SW1/2	On
	Monitor type select monochrome	SW1/2	Off

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

VIDEO MEMORY CONFIGURATION

Note: Board accepts 512KB/1MB video memory. The chip sizes and bank location are unidentified.

CPU TYPE SELECTION
Type	SW1/3	SW1/4
80486SX	On	Off
486SX Overdrive	Off	Off
80487SX	Off	Off
80486DX	Off	On
486DX Overdrive	On	Off
80486DX2	Off	On

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Tags

MODEL 3230, motherboard, processor, socket, pentium, pentium pro, celeron, powerpc, alpha, 8088, 8086, 286, 386, 486, configuration, RAM, DRAM, floppy, jumper, connections