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





PAT48PR

UNIDENTIFIED

PAT48PR

Processor

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

Processor Speed

20/25/33/40(internal)/50(internal)/50/66(internal)MHz

Chip Set

OPTI

Max. Onboard DRAM

64MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

J1 (pins 1-4)

IDE interface LED (to case)

J1 (pins 10 & 20)

Power LED & keylock

J1 (pins 11-15)

IDE interface LED (to HDD)

J2

Turbo switch

J1 (pins 7 & 17)

External battery

J4

Turbo LED

J1 (pins 8 & 18)

32-bit local bus slots

SL1 & SL2

Reset switch

J1 (pins 9 & 19)

   

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

Monitor type select color

JP4

Closed

 

Monitor type select monochrome

JP4

Open

DRAM CONFIGURATION (GROUP A)

Size

Bank 0

Bank 1

Bank 2

Bank 3

1MB

(4) 256K x 9

NONE

NONE

NONE

2MB

(4) 256K x 9

(4) 256K x 9

NONE

NONE

4MB

(4) 1M x 9

NONE

NONE

NONE

5MB

(4) 256K x 9

(4) 1M x 9

NONE

NONE

6MB

(4) 256K x 9

(4) 256K x 9

(1) 1M x 36

NONE

8MB

(4) 1M x 9

(4) 1M x 9

NONE

NONE

9MB

(4) 256K x 9

(4) 1M x 9

(1) 1M x 36

NONE

10MB

(4) 256K x 9

(4) 256K x 9

(1) 1M x 36

(1) 1M x 36

12MB

(4) 1M x 9

(4) 1M x 9

(1) 1M x 36

NONE

13MB

(4) 256K x 9

(4) 1M x 9

(1) 1M x 36

(1) 1M x 36

16MB

(4) 1M x 9

(4) 1M x 9

(1) 1M x 36

(1) 1M x 36

16MB

(4) 4M x 9

NONE

NONE

NONE

20MB

(4) 1M x 9

(4) 4M x 9

NONE

NONE

20MB

(4) 4M x 9

(4) 1M x 9

NONE

NONE

24MB

(4) 1M x 9

(4) 4M x 9

(1) 1M x 36

NONE

24MB

(4) 4M x 9

(4) 1M x 9

(1) 1M x 36

NONE

28MB

(4) 1M x 9

(4) 4M x 9

(1) 1M x 36

(1) 1M x 36

28MB

(4) 4M x 9

(4) 1M x 9

(1) 1M x 36

(1) 1M x 36

32MB

(4) 4M x 9

(4) 4M x 9

NONE

NONE

36MB

(4) 4M x 9

(4) 4M x 9

(1) 1M x 36

NONE

40MB

(4) 4M x 9

(4) 4M x 9

(1) 1M x 36

(1) 1M x 36

48MB

(4) 4M x 9

(4) 4M x 9

(1) 4M x 36

NONE

52MB

(4) 4M x 9

(4) 4M x 9

(1) 4M x 36

(1) 1M x 36

52MB

(4) 4M x 9

(4) 1M x 9

(1) 4M x 36

(1) 4M x 36

64MB

(4) 4M x 9

(4) 4M x 9

(1) 4M x 36

(1) 4M x 36

Note: Group A -- 30-pin SIMMS = Banks 0 & 1 and 72-pin SIMMS = 2 & 3.

DRAM CONFIGURATION (GROUP B)

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

(4) 1M x 9

NONE

16MB

(1) 1M x 36

(1) 1M x 36

(4) 1M x 9

(4) 1M x 9

16MB

(1) 4M x 36

NONE

NONE

NONE

20MB

(1) 4M x 36

(1) 1M x 36

NONE

NONE

24MB

(1) 4M x 36

(1) 1M x 36

(4) 1M x 9

NONE

24MB

(1) 1M x 36

(1) 1M x 36

(4) 4M x 9

NONE

28MB

(1) 1M x 36

(1) 1M x 36

(4) 4M x 9

(4) 1M x 9

28MB

(1) 4M x 36

(1) 1M x 36

(4) 1M x 9

(4) 1M x 9

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

36MB

(1) 4M x 36

(1) 1M x 36

(4) 4M x 9

NONE

40MB

(1) 1M x 36

(1) 1M x 36

(4) 4M x 9

(4) 4M x 9

40MB

(1) 4M x 36

(1) 4M x 36

(4) 1M x 9

(4) 1M x 9

48MB

(1) 4M x 36

(1) 4M x 36

(4) 4M x 9

NONE

52MB

(1) 4M x 36

(1) 4M x 36

(4) 4M x 9

(4) 1M x 9

52MB

(1) 4M x 36

(1) 1M x 36

(4) 4M x 9

(4) 4M x 9

64MB

(1) 4M x 36

(1) 4M x 36

(4) 4M x 9

(4) 4M x 9

Note: Group B -- = 72-pin SIMMS Banks 0 & 1 and 30-pin SIMMS = 2 & 3.

DRAM CONFIGURATION (GROUP C)

Size

Bank 0

Bank 1

4MB

(1) 1M x 36

NONE

8MB

(1) 2M x 36

(1) 1M x 36

12MB

(1) 2M x 36

(1) 1M x 36

16MB

(1) 2M x 36

(1) 2M x 36

16MB

(1) 4M x 36

NONE

24MB

(1) 2M x 36

(1) 4M x 36

32MB

(1) 8M x 36

NONE

40MB

(1) 2M x 36

(1) 8M x 36

40MB

(1) 8M x 36

(1) 2M x 36

48MB

(1) 8M x 36

(1) 4M x 36

64MB

(1) 8M x 36

(1) 8M x 36

Note: Group C -- = 72-pin SIMMS Banks 0 & 1.

DRAM TYPE CONFIGURATION

Group

RNB1/2

RNC1/2

RND1/2

Group A

Not installed

Installed

Not installed

Group B

Not installed

Not installed

Installed

Group C

Installed

Not installed

Not installed

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG (U43)

TAG (U44)

64KB

(4) 8K x 8

(4) 8K x 8

(1) 8K x 8

(1) 64K x 1

128KB

(4) 32K x 8

NONE

(1) 8K x 8

(1) 64K x 1

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

(1) 64K x 1

CACHE JUMPER CONFIGURATION

Size

RND

RNE

RNF

64KB

Installed

Not installed

Not installed

128KB

Not installed

Installed

Not installed

256KB

Not installed

Not installed

Installed

CPU TYPE CONFIGURATION

Type

RNA3

RNB3

RNC3

80486SX

Not installed

Not installed

Installed

80487SX

Not installed

Installed

Not installed

80486DX/DX2

Installed

Not installed

Not installed

Pentium Overdrive

Not installed

Installed

Not installed

CPU SPEED CONFIGURATION

Speed

JP2

W13

W14

W15

W16

20MHz

pins 2 & 3 closed

Open

Closed

Open

Open

25MHz

pins 2 & 3 closed

Open

Open

Closed

Open

33MHz

pins 2 & 3 closed

Open

Open

Open

Closed

40iMHz

pins 2 & 3 closed

Open

Closed

Open

Open

50iMHz

pins 2 & 3 closed

Open

Open

Closed

Open

50MHz

pins 1 & 2 closed

Open

Open

Closed

Open

66iMHz

pins 2 & 3 closed

Open

Open

Open

Closed

BUS SPEED CONFIGURATION

CPU type

JP3

JP5

JP6

80486DX-50

Closed

Closed

Closed

All other CPU

Open

Open

Open

VESA WAIT STATE CONFIGURATION

CPU type

VLB cards installed

W21

W22

W23

80486DX-50

1

pin 1 on W21 & pin 1 on W22 closed

pins 2 & 3 closed

All other CPU

2

Closed

Closed

pins 1 & 2 closed