PAT34PV Motherboard Settings and Configuration

Processor

80486DX2/ODP586SX

Processor Speed

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

Chip Set

OPTI

Max. Onboard DRAM

32MB

Cache

64/128/256KB

BIOS

AMI

Dimensions

235mm x 220mm

I/O Options

None

NPU Options

80387

CONNECTIONS

Funcation

Location

Purpose

Location

External battery

J1

Reset switch

J5/pins 9 & 19

Speaker

J5/pins 1 - 4

IDE interface LED

J5/pins 10 & 20

Turbo switch

J5/pins 7 & 17

Power LED & keylock

J5/pins 11 - 15

Turbo LED

J5/pins 8 & 18

IDE interface LED

J6

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

Monitor type select color

JP1

closed

Monitor type select monochrome

JP1

open

»

CMOS memory normal (internal battery)

JP2

pins 2 & 3 closed

CMOS memory normal (external battery)

JP2

open

CMOS memory clear

JP2

pins 1 & 2 closed

»

Factory configured - do not alter

JP3

N/A

»

VESA bus speed select £ 33MHz

JP4

open

VESA bus speed select > 33MHz

JP4

closed

»

VESA bus wait states select 0 (CPU £ 33MHz)

JP5

open

VESA bus wait state select 1 (CPU > 33MHz)

JP5

closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(4) 256K x 9

NONE

2MB

(4) 256K x 9

(4) 256K x 9

4MB

(4) 1M x 9

NONE

5MB

(4) 256K x 9

(4) 1M x 9

8MB

(4) 1M x 9

(4) 1M x 9

16MB

(4) 4M x 9

NONE

20MB

(4) 1M x 9

(4) 4M x 9

32MB

(4) 4M x 9

(4) 4M x 9

CACHE CONFIGURATION

Size

Cache

Location

TAG(U39)

64KB

(8) 8K x 8

Banks 0 & 1

(1) 8K x 8

128KB

(4) 32K x 8

Bank 0

(1) 8K x 8

256KB

(8) 32K x 8

Banks 0 & 1

(1) 32K x 8

CACHE RESISTOR NETWORK CONFIGURATION

Size

RND

RNE

RNF

64KB

closed

open

open

128KB

open

closed

open

256KB

open

open

closed

CPU CONFIGURATION

CPU

RNA

RNB

RNC

RN386

RN486

80486DX2

closed

open

open

open

closed

ODP487SX

open

closed

closed

open

closed

80486DX

closed

open

open

open

closed

80487SX

open

closed

open

open

closed

80486SX

open

open

open

open

closed

CX486DLC

N/A

N/A

N/A

closed

open

80386DX

N/A

N/A

N/A

closed

open

CPU SPEED RESISTOR NETWORK CONFIGURATION

Speed

RNG1

RNG2

RNG3

RNG4

RNG5

66(internal)MHz

N/A

N/A

open

closed

open

50MHz

N/A

N/A

open

open

closed

50(internal)MHz

N/A

N/A

closed

open

open

50(internal)MHz

N/A

N/A

closed

open

open

40MHz/486

N/A

N/A

open

closed

open

40MHz/386

open

closed

open

closed

open

33MHz/486

N/A

N/A

open

closed

open

33MHz/386

closed

open

open

closed

open

25MHz

N/A

N/A

closed

open

open

VESA LOCAL BUS CONFIGURATION

VESA cards supported

RNV1

RNV2

2

open

closed

1

closed

open

Note:The manufacturer does not recommend using the two card setting with a 486DX/50MHz