...because we can't all be on the bleeding edge...





MIDSIZE 486 ISA/VL SYSTEMS

DELL COMPUTER CORPORATION

MIDSIZE 486 ISA/VL SYSTEMS

Processor

80486SX/80486SX2/80486DX2/80486DX4

Processor Speed

25/33/50(internal)/66(internal)/100(internal)MHz

Chip Set

VLSI

Video Chip Set

None

Maximum Onboard Memory

64MB

Maximum Video Memory

None

Cache

128KB

BIOS

Unidentified

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slot, floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial ports (2), feature connector, VGA port, riser slot

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

BATT

IDE interface

CN7

PS/2 mouse port

CN1

Floppy drive interface

CN8

Serial port 1

CN2

IDE interface LED

CN9

Serial port 2

CN3

Front panel connector

PANEL

Parallel port

CN4

Riser slot

SL1

VGA port

CN5

32-bit VESA local bus slot

SL2

Feature connector

CN6

Speaker

SPKR

USER CONFIGURABLE SETTINGS

Function

Label

Position

Factory configured - do not alter

CDR

Open

Password enabled

EPWD

Closed

 

Password disabled

EPWD

Open

On board video enabled

EVGA

Closed

 

On board video disabled

EVGA

Open

Factory configured - do not alter

IDEIRQ

Pins 1 & 2 closed

Factory configured - do not alter

IDERDY

Open

On board speaker enabled

SPKR

Pins 1 & 2 closed

 

On board speaker disabled

SPKR

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

4MB

(1) 1M x 36

None

8MB

(1) 1M x 36

(1) 1M x 36

8MB

(1) 2M x 36

None

12MB

(1) 1M x 36

(1) 2M x 36

16MB

(1) 2M x 36

(1) 2M x 36

16MB

(1) 4M x 36

None

20MB

(1) 4M x 36

(1) 1M x 36

24MB

(1) 4M x 36

(1) 2M x 36

32MB

(1) 4M x 36

(1) 4M x 36

32MB

(1) 8M x 36

None

36MB

(1) 1M x 36

(1) 8M x 36

40MB

(1) 8M x 36

(1) 2M x 36

48MB

(1) 4M x 36

(1) 8M x 36

64MB

(1) 8M x 36

(1) 8M x 36

Note: Board also accepts x 32 SIMMs.

CACHE CONFIGURATION

Size

Bank 0

TAG

U55/U57

128KB

(4) 32K x 8

Unidentified

Unidentified

Note: The size of TAG chip and U55/U57 are unidentified.

CPU SPEED SELECTION

Speed

SPEED

25MHz

Closed

33MHz

Open

50iMHz

Closed

66iMHz

Open

100iMHz

Open