ATC/UNITRON COMPUTERS & COMPUTER PARTS

MB532

Processor

Pentium

Processor Speed

75/90/100/120/133MHz

Chip Set

Intel

Max. Onboard DRAM

128MB

Cache

256/512KB

BIOS

Award

Dimensions

330mm x 218mm

I/O Options

32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, serial ports (2), cache slot

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CN1

VRM module connector

JP20

Serial port 2

CN2

Speaker

JP21

Parallel port

CN3

Power LED & keylock

JP22

Floppy drive interface

CN4

Reset switch

JP23

IDE interface 2

CN5

Green PC connector

JP24

IDE interface 1

CN6

32-bit PCI slots

PC1 - PC4

IDE interface LED

JP7

Cache slot

SL1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation

JP2

Open

 

CMOS memory clear

JP2

Closed

»

BIOS type select EPROM/5v flash

JP3

Open

 

BIOS type select 12v flash

JP3

Closed

»

Factory configured - do not alter

JP6

N/A

 

AT bus clock select CPU speed/8

JP12

pins 2 & 3 closed

 

AT bus clock select CPU speed/6

JP12

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 36

NONE

8MB

NONE

(2) 1M x 36

16MB

(2) 2M x 36

NONE

16MB

NONE

(2) 2M x 36

16MB

(2) 1M x 36

(2) 1M x 36

24MB

(2) 1M x 36

(2) 2M x 36

24MB

(2) 2M x 36

(2) 1M x 36

32MB

(2) 4M x 36

NONE

32MB

NONE

(2) 4M x 36

32MB

(2) 2M x 36

(2) 2M x 36

40MB

(2) 1M x 36

(2) 4M x 36

40MB

(2) 4M x 36

(2) 1M x 36

48MB

(2) 2M x 36

(2) 4M x 36

48MB

(2) 4M x 36

(2) 2M x 36

64MB

(2) 8M x 36

NONE

64MB

NONE

(2) 8M x 36

64MB

(2) 4M x 36

(2) 4M x 36

72MB

(2) 1M x 36

(2) 8M x 36

72MB

(2) 8M x 36

(2) 1M x 36

80MB

(2) 2M x 36

(2) 8M x 36

80MB

(2) 8M x 36

(2) 2M x 36

96MB

(2) 4M x 36

(2) 8M 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

TAG

SL1

256KB (A)

(8) 32K x 8

(1) 8K x 8

Not installed

256KB (B)

NONE

(1) 8K x 8

Installed

512KB (A)

(8) 64K x 8

(1) 16K x 8

Not installed

512KB (B)

NONE

(1) 16K x 8

Installed

Note: The location of Bank 0 and TAG is not exact. It is shown for approximate location purposes only.

CPU CLOCK SPEED CONFIGURATION

Speed

JP8

JP9

50MHz

Closed

Closed

60MHz

Open

Closed

66MHz

Closed

Open

CPU INTERNAL CLOCK SPEED CONFIGURATION

Speed

JP16

JP17

1.5x

Open

Open

2x

Closed

Open

2.5x

Closed

Closed

3x

Open

Closed

CPU VOLTAGE CONFIGURATION

Voltage

JP11

3.3v

pins 2 & 3 closed

3.5v

pins 1 & 2 closed

DMA CONFIGURATION

DMA

JP4

JP5

DMA 1

pins 1 & 2 closed

pins 1 & 2 closed

DMA 3

pins 2 & 3 closed

pins 2 & 3 closed