HwMuseum | Index

TMC RESEARCH CORPORATION

PCI48AL (VER. 0.10)

Processor

80486SX/SL80486SX//80487SX/CX486DX/80486DX/AM486DXL/SL80486DX/ODP486SX/CX486DX2/80486DX2/SL80486DX2/80486DX4/P24C/P24D/ P24CP/Pentium Overdrive

Processor Speed

25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz

Chip Set

Unidentified

Max. Onboard DRAM

128MB

Cache

128/256KB

BIOS

Unidentified

Dimensions

330mm x 218mm

I/O Options

32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CN1

Turbo switch

J12 pins 7 & 17

Serial port 2

CN2

Turbo LED

J12 pins 8 & 18

Parallel port

CN3

Reset switch

J12 pins 9 & 19

Floppy drive interface

CN4

IDE interface LED

J12 pins 10 & 20

IDE interface (primary)

CN5

Power LED & keylock

J12 pins 11 -15

IDE interface (secondary)

CN6

32-bit PCI slots

PCI1 - PCI3

External battery

J9

Green PC connector

SW

Speaker

J12 pins 1 - 4

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Battery type select internal

JP1

pins 2 & 3 closed

 

Battery type select external

JP1

Open

 

CMOS memory clear

JP1

pins 1 & 2 closed

»

IDE interface enabled

JP2

Closed

 

IDE interface disabled

JP2

Open

»

BIOS type select normal

JP3

pins 2 & 3 closed

 

BIOS type select flash

JP3

pins 1 & 2 closed

»

Monitor type select color

JP8

Closed

 

Monitor type select monochrome

JP8

Open

»

Factory configured - do not alter

JP11

N/A

»

Factory configured - do not alter

W1

N/A

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

2MB

NONE

NONE

(1) 256K x 36

(1) 256K x 36

2MB

NONE

NONE

NONE

(1) 512K x 36

4MB

NONE

NONE

NONE

(1) 1M x 36

4MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

4MB

(1) 256K x 36

(1) 256K x 36

NONE

(1) 512K x 36

4MB

NONE

(1) 512K x 36

NONE

(1) 512K x 36

5MB

NONE

NONE

(1) 1M x 36

(1) 256K x 36

6MB

NONE

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

6MB

NONE

(1) 1M x 36

NONE

(1) 512K x 36

8MB

NONE

NONE

(1) 1M x 36

(1) 1M x 36

8MB

NONE

NONE

NONE

(1) 2M x 36

10MB

(1) 1M x 36

(1) 1M x 36

(1) 256K x 36

(1) 256K x 36

10MB

(1) 1M x 36

(1) 1M x 36

NONE

(1) 512K x 36

10MB

NONE

(1) 2M x 36

NONE

(1) 512K x 36

12MB

NONE

(1) 2M x 36

NONE

(1) 1M x 36

16MB

NONE

NONE

NONE

(1) 4M x 36

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 1M x 36

(1) 1M x 36

NONE

(1) 2M x 36

16MB

NONE

(1) 2M x 36

NONE

(1) 2M x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

17MB

NONE

NONE

(1) 4M x 36

(1) 256K x 36

20MB

NONE

NONE

(1) 4M x 36

(1) 1M x 36

32MB

NONE

NONE

(1) 4M x 36

(1) 4M x 36

32MB

NONE

NONE

NONE

(1) 8M x 36

64MB

NONE

NONE

NONE

(1) 16M x 36

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 4M x 36

(1) 4M x 36

NONE

(1) 8M x 36

64MB

NONE

(1) 8M x 36

NONE

(1) 8M x 36

128MB

NONE

NONE

(1) 16M x 36

(1) 16M x 36

128MB

NONE

NONE

NONE

(1) 32M x 36

CACHE CONFIGURATION

Size

Bank 0

TAG

128KB

(4) 32K x 8

(1) 8K x 8

256KB

(4) 64K x 8

(1) 16K x 8

CACHE JUMPER CONFIGURATION

Size

RNC1

RNC2

RNC3

128KB

Installed

Not installed

Not installed

256KB

Not installed

Installed

Not installed

CPU TYPE CONFIGURATION

Type

RNA1

RNA2

RNA3

RNA4

RNA5

80486SX

Not installed

Not installed

Installed

Not installed

Not installed

SL80486SX

Not installed

Not installed

Installed

Not installed

Not installed

80487SX

Not installed

Not installed

Not installed

Not installed

Installed

CX486DX

Installed

Not installed

Not installed

Not installed

Not installed

80486DX

Installed

Not installed

Not installed

Not installed

Not installed

AM486DXL

Installed

Not installed

Not installed

Not installed

Not installed

SL80486DX

Installed

Not installed

Not installed

Not installed

Not installed

ODP486SX

Not installed

Not installed

Not installed

Not installed

Installed

CX486DX2

Not installed

Installed

Not installed

Not installed

Not installed

80486DX2

Installed

Not installed

Not installed

Not installed

Not installed

SL80486DX2

Installed

Not installed

Not installed

Not installed

Not installed

P24C

Installed

Not installed

Not installed

Not installed

Not installed

P24D

Not installed

Installed

Not installed

Not installed

Not installed

P24CT

Not installed

Not installed

Not installed

Installed

Not installed

Pentium Overdrive

Not installed

Not installed

Not installed

Installed

Not installed

CPU TYPE CONFIGURATION (CON’T)

Type

RNB1

RNB2

RNB3

RNB4

80486SX

Installed

Not installed

Not installed

Not installed

SL80486SX

Not installed

Installed

Not installed

Not installed

80487SX

Installed

Not installed

Not installed

Not installed

CX486DX

Not installed

Not installed

Installed

Not installed

80486DX

Installed

Not installed

Not installed

Not installed

AM486DXL

Not installed

Not installed

Not installed

Installed

SL80486DX

Not installed

Installed

Not installed

Not installed

ODP486SX

Installed

Not installed

Not installed

Not installed

CX486DX2

Not installed

Not installed

Installed

Not installed

80486DX2

Installed

Not installed

Not installed

Not installed

SL80486DX2

Not installed

Installed

Not installed

Not installed

P24C

Not installed

Installed

Not installed

Not installed

P24D

Not installed

Installed

Not installed

Not installed

P24CT

Not installed

Installed

Not installed

Not installed

Pentium Overdrive

Not installed

Installed

Not installed

Not installed

CPU TYPE CONFIGURATION (CON’T)

Type

JP6

JP7

JP11

80486SX

Open

Open

pins 1 & 2 closed

SL80486SX

Open

Open

pins 1 & 2 closed

80487SX

Open

Open

pins 1 & 2 closed

CX486DX

Open

Open

pins 1 & 2 closed

80486DX

Open

Open

pins 1 & 2 closed

AM486DXL 2x

Open

Closed

pins 1 & 2 closed

AM486DXL 3x

Open

Open

pins 1 & 2 closed

SL80486Dx

Open

Open

pins 1 & 2 closed

ODP486SX

Open

Open

pins 1 & 2 closed

CX486DX2 2x

Closed

Open

pins 1 & 2 closed

CX486DX2

Closed

Open

pins 1 & 2 closed

CX486DX2 3x

Open

Open

pins 1 & 2 closed

CX486DX2 (3v)

Open

Open

pins 2 & 3 closed

CX486DX2 (3.3v)

Open

Open

pins 2 & 3 closed

80486DX2

Closed

Open

pins 1 & 2 closed

SL80486DX2

Open

Open

pins 1 & 2 closed

CX486DX4

Open

Open

pins 1 & 2 closed

P24C

Open

Open

pins 1 & 2 closed

AM486DXL (3.3v)

Open

Closed

pins 1 & 2 closed

P24C 2x

Closed

Open

pins 1 & 2 closed

P24C 3x

Open

Open

pins 1 & 2 closed

P24D

Open

Open

pins 1 & 2 closed

P24CT

Open

Open

pins 1 & 2 closed

Pentium Overdrive

Open

Open

pins 1 & 2 closed

CPU SPEED CONFIGURATION

Speed

RND1

RND2

RND3

RND4

25MHz

Installed

Not installed

Not installed

Not installed

33MHz

Not installed

Installed

Not installed

Not installed

40MHz

Not installed

Not installed

Installed

Not installed

50iMHz

Installed

Not installed

Not installed

Not installed

50MHz

Not installed

Not installed

Not installed

Installed

66iMHz

Not installed

Installed

Not installed

Not installed

75iMHz

Installed

Not installed

Not installed

Not installed

100iMHz

Not installed

Installed

Not installed

Not installed

CPU VOLTAGE CONFIGURATION

Voltage

JP9

JP10

3.145v - 3.6v

Open

Closed

4.0v

Closed

Open

DRQ/DACK CONFIGURATION

DRQ/DACK

JP4

JP5

DRQ1/DACK1

pins 1 & 2 closed

pins 1 & 4 closed

DRQ3/DACK3

pins 3 & 4 closed

pins 2 & 5 closed