HwMuseum | Index

REPLY CORPORATION

POWERBOARD 55SX

Processor

80486SX2/80486DX2/80486DX4

Processor Speed

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

Chip Set

IBM

Max. Onboard DRAM

64MB

Cache

None

BIOS

Reply

Dimensions

330mm x 218mm

I/O Options

Floppy drive interface, IDE interface, 32-bit MCA riser card,

parallel port, PS/2 mouse port, serial port, VGA port

NPU Options

Unidentified

CONNECTIONS

Purpose

Location

Purpose

Location

Drive power

CN1, CN2

IDE interface connector

J16

PS/2 mouse port

J2

Floppy drive interface

J18

Parallel port

J3

Speaker

J23

Serial port

J4

32-bit MCA riser card

S1

VGA port

J5

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation

J7

pins 2 & 3 closed

 

CMOS memory clear

J7

pins 1 & 2 closed

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

8MB

(1) 2M x 36

NONE

NONE

NONE

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

12MB

(1) 2M x 36

(1) 1M x 36

NONE

NONE

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

NONE

16MB

(1) 2M x 36

(1) 2M x 36

NONE

NONE

16MB

(1) 4M x 36

NONE

NONE

NONE

20MB

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

20MB

(1) 2M x 36

(1) 2M x 36

(1) 1M x 36

NONE

20MB

(1) 4M x 36

(1) 1M x 36

NONE

NONE

24MB

(1) 2M x 36

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

24MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

NONE

24MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

NONE

24MB

(1) 4M x 36

(1) 2M x 36

NONE

NONE

28MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 1M x 36

28MB

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

28MB

(1) 4M x 36

(1) 2M x 36

(1) 1M x 36

NONE

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

32MB

(1) 4M x 36

(1) 2M x 36

(1) 1M x 36

(1) 1M x 36

32MB

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

NONE

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

32MB

(1) 8M x 36

NONE

NONE

NONE

36MB

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

(1) 1M x 36

36MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

NONE

36MB

(1) 8M x 36

(1) 1M x 36

NONE

NONE

40MB

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

40MB

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

40MB

(1) 4M x 36

(1) 4M x 36

(1) 2M x 36

NONE

40MB

(1) 8M x 36

(1) 1M x 36

(1) 1M x 36

NONE

40MB

(1) 8M x 36

(1) 2M x 36

NONE

NONE

44MB

(1) 4M x 36

(1) 4M x 36

(1) 2M x 36

(1) 1M x 36

44MB

(1) 8M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

44MB

(1) 8M x 36

(1) 2M x 36

(1) 1M x 36

NONE

48MB

(1) 4M x 36

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

NONE

48MB

(1) 8M x 36

(1) 2M x 36

(1) 2M x 36

NONE

48MB

(1) 8M x 36

(1) 4M x 36

NONE

NONE

DRAM CONFIGURATION (CONT.)

Size

Bank 0

Bank 1

Bank 2

Bank 3

52MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 1M x 36

52MB

(1) 8M x 36

(1) 2M x 36

(1) 2M x 36

(1) 1M x 36

52MB

(1) 8M x 36

(1) 4M x 36

(1) 1M x 36

NONE

56MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 2M x 36

56MB

(1) 8M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

56MB

(1) 8M x 36

(1) 4M x 36

(1) 1M x 36

(1) 1M x 36

56MB

(1) 8M x 36

(1) 4M x 36

(1) 2M x 36

NONE

60MB

(1) 8M x 36

(1) 4M x 36

(1) 2M 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) 8M x 36

(1) 4M x 36

(1) 2M x 36

(1) 2M x 36

64MB

(1) 8M x 36

(1) 4M x 36

(1) 4M x 36

NONE

64MB

(1) 8M x 36

(1) 8M x 36

NONE

NONE

MISCELLANEOUS TECHNICAL NOTE

Note: J19 switches CPU frequency, exact configuration information is unidentified.