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PREMMIA MX P/60, PREMMIA MX P/75

AST RESEARCH, INC.

PREMMIA MX P/60, PREMMIA MX P/75

Processor

Pentium

Processor Speed

60/75/90/100MHz

Chip Set

Unidentified

Video Chip Set

None

Maximum Onboard Memory

128MB

Maximum Video Memory

None

Cache

256KB

BIOS

AST

Dimensions

330mm x 218mm

I/O Options

Floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse port

CN2

External battery

J26

Serial port

CN3

Speaker

J27

Serial port

CN4

Chassis fan power

J28

Parallel port

CN5

Front panel connector

J29

IDE interface 2

J22

Chassis fan power

J32

IDE interface 1

J23

IDE interface LED

J40

Floppy drive interface

J24

Riser slot

SL1

USER CONFIGURABLE SETTINGS

Function

Label

Position

Factory configured - do not alter

E4

Open

Factory configured - do not alter

E5

Open

Factory configured - do not alter

E6

Open

Factory configured - do not alter

E8

Open

Monitor type select color

E9

Closed

 

Monitor type select monochrome

E9

Open

Setup access enabled

E10

Closed

 

Setup access disabled

E10

Open

On board video enabled

E11

Closed

 

On board video disabled

E11

Open

Password normal operation

E12

Closed

 

Password clear

E12

Open

Flash BIOS normal operation

E13

Closed

 

Flash BIOS force update at boot

E13

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 32

None

10MB

(2) 1M x 32

(2) 256K x 32

16MB

(2) 2M x 32

None

16MB

(2) 1M x 32

(2) 1M x 32

18MB

(2) 2M x 32

(2) 256K x 32

24MB

(2) 2M x 32

(2) 1M x 32

32MB

(2) 4M x 32

None

32MB

(2) 2M x 32

(2) 2M x 32

34MB

(2) 4M x 32

(2) 256K x 32

40MB

(2) 4M x 32

(2) 1M x 32

48MB

(2) 4M x 32

(2) 2M x 32

64MB

(2) 8M x 32

None

64MB

(2) 4M x 32

(2) 4M x 32

66MB

(2) 8M x 32

(2) 256K x 32

DRAM CONFIGURATION (CON'T)

Size

Bank 0

Bank 1

72MB

(2) 8M x 32

(2) 1M x 32

80MB

(2) 8M x 32

(2) 2M x 32

96MB

(2) 8M x 32

(2) 4M x 32

128MB

(2) 8M x 32

(2) 8M x 32

CACHE CONFIGURATION

Note: 256KB cache is factory installed and is not configurable.

CPU SPEED SELECTION (IMI415)

CPU speed

Clock speed

E1

E2

E3

E7

75MHz

50MHz

2 & 3

Open

Closed

Closed

90MHz

60MHz

2 & 3

Open

Closed

Open

100MHz

66MHz

2 & 3

Closed

Closed

Open

Note: E1 is used for factory installed P75, P90 & P100 CPUs. Future upgrades may require a change in this jumper position. If a 60MHz CPU is installed, this jumper isn't used.

CPU SPEED SELECTION (IMI470)

CPU speed

Clock speed

E1

E2

E3

E7

75MHz

50MHz

2 & 3

Open

Closed

Open

90MHz

60MHz

2 & 3

Open

Closed

Closed

100MHz

66MHz

2 & 3

Closed

Closed

Closed

Note: E1 is used for factory installed P75, P90 & P100 CPUs. Future upgrades may require a change in this jumper position. If a 60MHz CPU is installed, this jumper isn't used.