ICL

ERGOPRO E4

Processor

80486SX/80487SX/80486DX/80486DX2/ODP486SX/Pentium Overdrive

Processor Speed

25/33/40/50(internal)/50/66(internal)MHz

Chip Set

OPTI

Max. Onboard DRAM

256MB

Max. Cache

64KB/128KB/256KB/1MB

BIOS

ICL

Dimensions

330mm x 218mm

I/O Options

CPU slot, 32-bit VESA local bus slots (2), floppy drive interface, IDE interface, SCSI interface (optional), parallel port, PS/2 mouse port, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

IDE interface

J1

Hard drive LED

J7

Floppy drive interface

J2

CPU fan

J8

Parallel port

J3

Power LED

J9

Serial port 1

J4

External speaker

J10

Serial port 2

J5

32-bit VESA local bus slots

SL9 & SL10

PS/2 mouse port

J6

CPU riser slot

SL11

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

 

On-board SCSI disabled

JP1

Closed

 

On-board SCSI enabled

JP1

Open

 

Dallas CMOS chip installed

JP2/A

Closed

 

Benchmark CMOS chip installed

JP2/B

Closed

 

1 local bus wait state

JP3

pins 2 & 3 closed

 

0 local bus wait states

JP3

pins 1 & 2 closed

 

Factory configured - do not alter

JP3

pins 5 & 6 closed

 

On board speaker enabled

JP4

pins 2 & 3 closed

 

External speaker enabled

JP4

pins 1 & 2 closed

 

Housing type A

JP5

Closed

 

Housing type B

JP5

Open

 

System setup unlocked

JP6

pins 2 & 3 closed

 

System setup locked

JP6

pins 1 & 2 closed

 

Reset button enabled

JP7

Closed

 

Reset button disabled

JP7

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

4MB

(1) 1M x 36

NONE

NONE

NONE

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 4M x 36

NONE

NONE

NONE

20MB

(1) 1M x 36

(1) 4M x 36

NONE

NONE

24MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

NONE

24MB

(1) 1M x 36

(1) 4M x 36

(1) 1M x 36

NONE

28MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

(1) 1M x 36

28MB

(1) 1M x 36

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

36MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

NONE

36MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

NONE

40MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

40MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

NONE

52MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

52MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 16M x 36

NONE

NONE

NONE

72MB

(1) 1M x 36

(1) 1M x 36

(1) 16M x 36

NONE

80MB

(1) 4M x 36

(1) 16M x 36

NONE

NONE

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

84MB

(1) 1M x 36

(1) 4M x 36

(1) 16M x 36

NONE

84MB

(1) 4M x 36

(1) 16M x 36

(1) 1M x 36

NONE

88MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

(1) 16M x 36

88MB

(1) 4M x 36

(1) 16M x 36

(1) 1M x 36

(1) 1M x 36

96MB

(1) 4M x 36

(1) 4M x 36

(1) 16M x 36

NONE

96MB

(1) 4M x 36

(1) 16M x 36

(1) 4M x 36

NONE

100MB

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

(1) 16M x 36

100MB

(1) 4M x 36

(1) 16M x 36

(1) 4M x 36

(1) 1M x 36

112MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 16M x 36

112MB

(1) 4M x 36

(1) 16M x 36

(1) 4M x 36

(1) 4M x 36

128MB

(1) 16M x 36

(1) 16M x 36

NONE

NONE

132MB

(1) 16M x 36

(1) 16M x 36

(1) 1M x 36

NONE

136MB

(1) 1M x 36

(1) 1M x 36

(1) 16M x 36

(1) 16M x 36

136MB

(1) 16M x 36

(1) 16M x 36

(1) 1M x 36

(1) 1M x 36

144MB

(1) 4M x 36

(1) 16M x 36

(1) 16M x 36

NONE

144MB

(1) 16M x 36

(1) 16M x 36

(1) 4M x 36

NONE

148MB

(1) 1M x 36

(1) 4M x 36

(1) 16M x 36

(1) 16M x 36

148MB

(1) 16M x 36

(1) 16M x 36

(1) 4M x 36

(1) 1M x 36

160MB

(1) 4M x 36

(1) 4M x 36

(1) 16M x 36

(1) 16M x 36

160MB

(1) 4M x 36

(1) 16M x 36

(1) 4M x 36

(1) 16M x 36

160MB

(1) 16M x 36

(1) 16M x 36

(1) 4M x 36

(1) 4M x 36

192MB

(1) 16M x 36

(1) 16M x 36

(1) 16M x 36

NONE

208MB

(1) 4M x 36

(1) 16M x 36

(1) 16M x 36

(1) 16M x 36

208MB

(1) 16M x 36

(1) 16M x 36

(1) 4M x 36

(1) 16M x 36

256MB

(1) 16M x 36

(1) 16M x 36

(1) 16M x 36

(1) 16M x 36

E4 CPU RISER CARD

CPU SPEED CONFIGURATION

Speed

JP1

25MHz

Open

33MHz

pins 3 & 4 closed

40MHz

pins 1 & 2 closed

50MHz

pins 1 & 2, 3 & 4 closed

50iMHz

Open

66iMHz

pins 3 & 4 closed

SYSTEM SPEED CONFIGURATION

Speed

JP4

25MHz

pins 1 & 2, 4 & 5 closed

33MHz

pins 1 & 2, 5 & 6 closed

40MHz

pins 2 & 3, 4 & 5 closed

50MHz

pins 2 & 3, 5 & 6 closed

50i MHz

pins 1 & 2, 4 & 5 closed

66i MHz

pins 1 & 2, 5 & 6 closed

CACHE JUMPER CONFIGURATION

Size

JP6

JP9

JP15

JP16

64KB

Open

Open

unidentified

unidentified

128KB

pins 1 & 2 closed

pins 3 & 4 closed

unidentified

unidentified

256KB

pins 1 & 2, 3 & 4 closed

pins 3 & 4, 5 & 6 closed

pins 2 & 3 closed

pins 2 & 3 closed

1MB

All closed

All closed

pins 2 & 3 closed

pins 2 & 3 closed

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

64KB

unidentified

unidentified

unidentified

128KB

unidentified

unidentified

unidentified

256KB

(4) 32K x 8

(4) 32K x 8

unidentified

1MB

(4) 128K x 8

(4) 128K x 8

unidentified

Note: The locations of Bank 0 and Bank 1 are unidentified.