PET48PM Motherboard Settings and Configuration

Processor

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

Processor Speed

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

Chip Set

OPTI

Max. Onboard DRAM

256MB

Cache

128/256KB

BIOS

Unidentified

Dimensions

330mm x 254mm

I/O Options

32-bit VESA local bus slots (3)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J2

Reset switch

J7 pins 9 & 19

Hard drive LED from controller

J3

Hard drive LED to case

J7 pins 10 & 20

Speaker

J7 pins 1 - 4

Power LED & keylock

J7 pins 11 - 15

Turbo switch

J7 pins 7 & 17

32-bit VESA local bus slots

SL1 - SL3

Turbo LED

J7 pins 8 & 18

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation

JP1 pins 1 & 2

Open

CMOS memory clear

JP1 pins 1 & 2

Closed

»

Battery type select internal

JP1 pins 2 & 3

Closed

Battery type select external

JP1 pins 2 & 3

Open

»

Monitor type select color

JP2

Closed

Monitor type select monochrome

JP2

Open

»

ADS delay disabled (CPU £ 33MHz)

JP7

pins 1 & 2 closed

ADS delay enabled (CPU >33MHz)

JP7

pins 2 & 3 closed

DRAM CONFIGURATION 1

Size

Bank 0

Bank 1

Bank 2

Bank 3

4MB

(1) 1M x 36

NONE

NONE

NONE

8MB

(1) 2M x 36

NONE

NONE

NONE

12MB

(1) 2M x 36

(1) 1M x 36

NONE

NONE

16MB

(1) 2M x 36

(1) 2M x 36

NONE

NONE

16MB

(1) 4M x 36

NONE

NONE

NONE

24MB

(1) 2M x 36

(1) 4M x 36

NONE

NONE

32MB

(1) 8M x 36

NONE

NONE

NONE

36MB

(1) 8M x 36

(1) 1M x 36

NONE

NONE

40MB

(1) 2M x 36

(1) 8M x 36

NONE

NONE

40MB

(1) 8M x 36

(1) 2M x 36

NONE

NONE

48MB

(1) 8M x 36

(1) 4M x 36

NONE

NONE

64MB

(1) 8M x 36

(1) 8M x 36

NONE

NONE

64MB

(1) 16M x 36

NONE

NONE

NONE

72MB

(1) 2M x 36

(1) 16M x 36

NONE

NONE

96MB

(1) 8M x 36

(1) 16M x 36

NONE

NONE

128MB

(1) 32M x 36

NONE

NONE

NONE

132MB

(1) 32M x 36

(1) 1M x 36

NONE

NONE

136MB

(1) 2M x 36

(1) 32M x 36

NONE

NONE

136MB

(1) 32M x 36

(1) 2M x 36

NONE

NONE

144MB

(1) 32M x 36

(1) 4M x 36

NONE

NONE

160MB

(1) 8M x 36

(1) 32M x 36

NONE

NONE

160MB

(1) 32M x 36

(1) 8M x 36

NONE

NONE

192MB

(1) 32M x 36

(1) 16M x 36

NONE

NONE

256MB

(1) 32M x 36

(1) 32M x 36

NONE

NONE

DRAM CONFIGURATION 2

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

DRAM CONFIGURATION 2 (CON'T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

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) 1M x 36

(1) 4M x 36

NONE

NONE

24MB

(1) 1M x 36

(1) 1M x 36

(4) 4M x 9

NONE

24MB

(1) 1M x 36

(1) 4M x 36

(4) 1M x 9

NONE

28MB

(1) 1M x 36

(1) 1M x 36

(4) 4M x 9

(4) 1M x 9

28MB

(1) 1M x 36

(1) 4M x 36

(4) 1M x 9

(4) 1M x 9

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

36MB

(1) 1M x 36

(1) 4M x 36

(4) 4M x 9

NONE

36MB

(1) 4M x 36

(1) 4M x 36

(4) 1M x 9

NONE

40MB

(1) 1M x 36

(1) 1M x 36

(4) 4M x 9

(4) 4M x 9

40MB

(1) 1M x 36

(1) 4M x 36

(4) 4M x 9

(4) 1M 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) 1M x 36

(1) 4M x 36

(4) 4M x 9

(4) 4M x 9

52MB

(1) 4M x 36

(1) 4M x 36

(4) 4M x 9

(4) 1M x 9

64MB

(1) 4M x 36

(1) 4M x 36

(4) 4M x 9

(4) 4M x 9

64MB

(1) 16M x 36

NONE

NONE

NONE

72MB

(1) 1M x 36

(1) 1M x 36

(4) 16M x 9

NONE

80MB

(1) 4M x 36

(1) 16M x 36

NONE

NONE

84MB

(1) 1M x 36

(1) 4M x 36

(4) 16M x 9

NONE

84MB

(1) 4M x 36

(1) 16M x 36

(4) 1M x 9

NONE

88MB

(1) 1M x 36

(1) 1M x 36

(4) 4M x 9

(4) 16M x 9

88MB

(1) 4M x 36

(1) 16M x 36

(4) 1M x 9

(4) 1M x 9

96MB

(1) 4M x 36

(1) 4M x 36

(4) 16M x 9

NONE

96MB

(1) 4M x 36

(1) 16M x 36

(4) 4M x 9

NONE

100MB

(1) 1M x 36

(1) 4M x 36

(4) 4M x 9

(4) 16M x 9

100MB

(1) 4M x 36

(1) 16M x 36

(4) 4M x 9

(4) 1M x 9

112MB

(1) 4M x 36

(1) 4M x 36

(4) 4M x 9

(4) 16M x 9

112MB

(1) 4M x 36

(1) 16M x 36

(4) 4M x 9

(4) 4M x 9

128MB

(1) 16M x 36

(1) 16M x 36

NONE

NONE

132MB

(1) 16M x 36

(1) 16M x 36

(4) 1M x 9

NONE

136MB

(1) 1M x 36

(1) 1M x 36

(4) 16M x 9

(4) 16M x 9

136MB

(1) 16M x 36

(1) 16M x 36

(4) 1M x 9

(4) 1M x 9

144MB

(1) 4M x 36

(1) 16M x 36

(4) 16M x 9

NONE

144MB

(1) 16M x 36

(1) 16M x 36

(4) 4M x 9

NONE

148MB

(1) 1M x 36

(1) 4M x 36

(4) 16M x 9

(4) 16M x 9

148MB

(1) 16M x 36

(1) 16M x 36

(4) 4M x 9

(4) 1M x 9

160MB

(1) 4M x 36

(1) 4M x 36

(4) 16M x 9

(4) 16M x 9

160MB

(1) 4M x 36

(1) 16M x 36

(4) 4M x 9

(4) 16M x 9

160MB

(1) 16M x 36

(1) 16M x 36

(4) 4M x 9

(4) 4M x 9

192MB

(1) 16M x 36

(1) 16M x 36

(4) 16M x 9

NONE

208MB

(1) 4M x 36

(1) 16M x 36

(4) 16M x 9

(4) 16M x 9

208MB

(1) 16M x 36

(1) 16M x 36

(4) 4M x 9

(4) 16M x 9

256MB

(1) 16M x 36

(1) 16M x 36

(4) 16M x 9

(4) 16M x 9

DRAM CONFIGURATION 3

Size

Bank 0

Bank 1

Bank 2

Bank 3

4MB

NONE

NONE

(4) 1M x 9

NONE

8MB

NONE

NONE

(4) 1M x 9

(4) 1M x 9

12MB

(1) 1M x 36

NONE

(4) 1M x 9

(4) 1M x 9

16MB

(1) 2M x 36

NONE

(4) 1M x 9

(4) 1M x 9

16MB

(1) 1M x 36

(1) 1M x 36

(4) 1M x 9

(4) 1M x 9

16MB

NONE

NONE

(4) 4M x 9

NONE

20MB

NONE

NONE

(4) 1M x 9

(4) 4M x 9

24MB

(1) 4M x 36

NONE

(4) 1M x 9

(4) 1M x 9

24MB

(1) 1M x 36

NONE

(4) 1M x 9

(4) 4M x 9

28MB

(1) 2M x 36

NONE

(4) 1M x 9

(4) 4M x 9

28MB

(1) 4M x 36

(1) 1M x 36

(4) 1M x 9

(4) 1M x 9

28MB

(1) 1M x 36

(1) 1M x 36

(4) 1M x 9

(4) 4M x 9

32MB

NONE

NONE

(4) 4M x 9

(4) 4M x 9

36MB

(1) 4M x 36

NONE

(4) 1M x 9

(4) 4M x 9

36MB

(1) 1M x 36

NONE

(4) 4M x 9

(4) 4M x 9

40MB

(1) 8M x 36

NONE

(4) 1M x 9

(4) 1M x 9

40MB

(1) 2M x 36

NONE

(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

40MB

(1) 4M x 36

(1) 1M x 36

(4) 1M x 9

(4) 4M x 9

40MB

(1) 1M x 36

(1) 1M x 36

(4) 4M x 9

(4) 4M x 9

48MB

(1) 4M x 36

NONE

(4) 4M x 9

(4) 4M x 9

52MB

(1) 8M x 36

NONE

(4) 1M x 9

(4) 4M x 9

52MB

(1) 4M x 36

(1) 4M x 36

(4) 1M x 9

(4) 4M x 9

52MB

(1) 4M x 36

(1) 1M x 36

(4) 4M x 9

(4) 4M x 9

64MB

(1) 8M x 36

NONE

(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

64MB

NONE

NONE

(4) 16M x 9

NONE

72MB

(1) 16M x 36

NONE

(4) 1M x 9

(4) 1M x 9

80MB

NONE

NONE

(4) 4M x 9

(4) 16M x 9

84MB

(1) 16M x 36

NONE

(4) 1M x 9

(4) 4M x 9

84MB

(1) 1M x 36

NONE

(4) 4M x 9

(4) 16M x 9

88MB

(1) 2M x 36

NONE

(4) 4M x 9

(4) 16M x 9

88MB

(1) 4M x 36

(1) 16M x 36

(4) 1M x 9

(4) 1M x 9

88MB

(1) 1M x 36

(1) 1M x 36

(4) 4M x 9

(4) 16M x 9

96MB

(1) 16M x 36

NONE

(4) 4M x 9

(4) 4M x 9

96MB

(1) 4M x 36

NONE

(4) 4M x 9

(4) 16M x 9

100MB

(1) 4M x 36

(1) 16M x 36

(4) 1M x 9

(4) 4M x 9

100MB

(1) 4M x 36

(1) 1M x 36

(4) 4M x 9

(4) 16M x 9

112MB

(1) 8M x 36

NONE

(4) 4M x 9

(4) 16M x 9

112MB

(1) 4M x 36

(1) 16M x 36

(4) 4M x 9

(4) 4M x 9

112MB

(1) 4M x 36

(1) 4M x 36

(4) 4M x 9

(4) 16M x 9

128MB

NONE

NONE

(4) 16M x 9

(4) 16M x 9

132MB

(1) 1M x 36

NONE

(4) 16M x 9

(4) 16M x 9

DRAM CONFIGURATION 3 (CON'T)

Size

Bank 0

Bank 1

Bank 2

Bank 3

136MB

(1) 2M x 36

NONE

(4) 16M x 9

(4) 16M x 9

136MB

(1) 32M x 36

NONE

(4) 1M x 9

(4) 1M x 9

136MB

(1) 16M x 36

(1) 16M x 36

(4) 1M x 9

(4) 1M x 9

136MB

(1) 1M x 36

(1) 1M x 36

(4) 16M x 9

(4) 16M x 9

144MB

(1) 16M x 36

NONE

(4) 4M x 9

(4) 16M x 9

144MB

(1) 4M x 36

NONE

(4) 16M x 9

(4) 16M x 9

148MB

(1) 32M x 36

NONE

(4) 1M x 9

(4) 4M x 9

148MB

(1) 16M x 36

(1) 16M x 36

(4) 1M x 9

(4) 4M x 9

148MB

(1) 4M x 36

(1) 1M x 36

(4) 16M x 9

(4) 16M x 9

160MB

(1) 8M x 36

NONE

(4) 16M x 9

(4) 16M x 9

160MB

(1) 32M x 36

NONE

(4) 4M x 9

(4) 4M x 9

160MB

(1) 16M x 36

(1) 16M x 36

(4) 4M x 9

(4) 4M x 9

160MB

(1) 4M x 36

(1) 16M x 36

(4) 4M x 9

(4) 16M x 9

160MB

(1) 4M x 36

(1) 4M x 36

(4) 16M x 9

(4) 16M x 9

192MB

(1) 16M x 36

NONE

(4) 16M x 9

(4) 16M x 9

208MB

(1) 32M x 36

NONE

(4) 4M x 9

(4) 16M x 9

208MB

(1) 16M x 36

(1) 16M x 36

(4) 4M x 9

(4) 16M x 9

208MB

(1) 4M x 36

(1) 16M x 36

(4) 16M x 9

(4) 16M x 9

256MB

(1) 32M x 36

NONE

(4) 16M x 9

(4) 16M x 9

256MB

(1) 16M x 36

(1) 16M x 36

(4) 16M x 9

(4) 16M x 9

DRAM RESISTOR CONFIGURATION

Configuration

RND

RNE

RNF

1

Installed

Not installed

Not installed

2

Not installed

Installed

Not installed

3

Not installed

Not installed

Installed

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

128KB

(4) 32K x 8

NONE

(1) 8K x 8

128KB

(4) 32K x 8

NONE

(1) 16K x 8

128KB

(4) 32K x 8

NONE

(1) 32K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 16K x 8

256KB

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP5

JP6

128KB

pins 1 & 2 closed

pins 1 & 2 closed

256KB

pins 2 & 3 closed

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Setting

RNA

RNB

RNC

80486SX

Not installed

Not installed

Installed

80487SX

Not installed

Installed

Not installed

80486DX

Installed

Not installed

Not installed

80486DX2

Installed

Not installed

Not installed

SL Pentium Overdrive

Not installed

Installed

Not installed

Pentium Overdrive

Not installed

Installed

Not installed

CPU SPEED CONFIGURATION

Speed

RNG1

RNG2

RNG3

25MHz

Installed

Not installed

Not installed

33MHz

Not installed

Installed

Not installed

40MHz

Not installed

Not installed

Installed

50iMHz

Installed

Not installed

Not installed

66iMHz

Not installed

Installed

Not installed

VESA WAIT STATE CONFIGURATION

Speed

RNG3

»

VESA wait state select 1 wait states

Closed

VESA wait state select 0 wait state

Open

VESA LOCAL BUS SPEED CONFIGURATION

Speed

RNG3

»

>33MHz

Closed

£ 33MHz

Open