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M54SI

MICRONICS COMPUTERS, INC

M54SI

Processor

Pentium

Processor Speed

75/90/100MHz

Chip Set

Unidentified

Max. Onboard DRAM

128MB

Cache

256/512KB

BIOS

Phoenix

Dimensions

330mm x 218mm

I/O Options

32-bit PCI slots (3), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Parallel port

J10

Turbo switch

W12

Floppy drive interface

J11

Turbo LED

W13

Serial port 1

J12

Reset switch

W15

Serial port 2

J13

Speaker

W16

IDE interface (IDE)

J14

Auxiliary keyboard connector

W18

IDE interface (PCI)

J15

Power LED & keylock

W19

PS/2 mouse interface

J32

IDE interface LED

W27

32-bit PCI slots

PCI - PC3

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Factory configured - do not alter

J1

N/A

 

Factory configured - do not alter

J19

N/A

Cache type select write back

W1

Open

 

Cache type select write through

W1

Closed

CPU clock speed select 1.5x

W2

Open

 

CPU clock speed select 2x

W2

Closed

Factory configured - do not alter

W9

pins 2 & 3 closed

Flash BIOS write protect disabled

W10

Closed

 

Flash BIOS write protect enabled

W10

Open

CMOS memory normal operation

W17

pins 1 & 2 closed

 

CMOS memory clear

W17

pins 2 & 3 closed

Monitor type select color

W20

Closed

 

Monitor type select monochrome

W20

Open

PS/2 mouse disabled

W21

Open

 

PS/2 mouse enabled

W21

Closed

Factory configured - do not alter

W31

pins 1 & 2 closed

Factory configured - do not alter

W32

pins 1 & 2 closed

Factory configured - do not alter

W33

pins 1 & 2 closed

Factory configured - do not alter

W34

pins 1 & 2 closed

Factory configured - do not alter

W35

pins 2 & 3 closed

Note: The location of W21 is unidentified.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 36

NONE

16MB

(2) 1M x 36

(2) 1M x 36

16MB

(2) 2M x 36

NONE

24MB

(2) 2M x 36

(2) 1M x 36

32MB

(2) 4M x 36

NONE

32MB

(2) 2M x 36

(2) 2M x 36

40MB

(2) 4M x 36

(2) 1M x 36

48MB

(2) 4M x 36

(2) 2M x 36

64MB

(2) 8M x 36

NONE

64MB

(2) 4M x 36

(2) 4M x 36

72MB

(2) 8M x 36

(2) 1M x 36

80MB

(2) 8M x 36

(2) 2M x 36

96MB

(2) 8M x 36

(2) 4M x 36

128MB

(2) 8M x 36

(2) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

256KB

(8) 32K x 8

NONE

NONE

512KB

(8) 32K x 8

(4) 32K x 8

(4) 32K x 8

Note: Bank 0 is factory installed and is not configurable.

CACHE JUMPER CONFIGURATION

Size

W6

W7

W8

256KB

pins 1 & 2 closed

pins 1 & 2 closed

pins 1 & 2 closed

512KB

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

CPU SPEED CONFIGURATION

Speed

W3

W4

W5

W38

75MHz

Closed

Closed

Open

Open

90MHz

Closed

Open

Closed

Open

100MHz

Open

Closed

Open

Closed

IDE DMA CONFIGURATION

DMA

W25

W26

Disabled

Open

Open

DMA6

pins 1 & 2 closed

pins 1 & 2 closed

DMA7

pins 2 & 3 closed

pins 2 & 3 closed

DMA ECP CONFIGURATION

DMA

W22

W23

Disabled

Open

Open

DMA1

pins 1 & 2 closed

pins 1 & 2 closed

DMA3

pins 2 & 3 closed

pins 2 & 3 closed

IDE IRQ CONFIGURATION

ISA IDE

PCI IDE

W24

W29

IRQ14

IRQ15

pins 2 & 3 closed

pins 1 & 2 closed

IRQ14

None

Open

pins 1 & 2 closed

None

None

Open

Open

None

IRQ15

pins 2 & 3 closed

Open