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B910

MECER CORPORATION

B910

Processor

Pentium

Processor Speed

50/60/66MHz

Chip Set

FOREX

Max. Onboard DRAM

128MB

Cache

64/128/256/512/1024/2048KB

BIOS

AMI

Dimensions

330mm x 218mm

I/O Options

32-bit VESA local bus slots (3), green PC connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

J2

Turbo switch

J5 pins 16 - 17

Green PC connector (monitor)

J3

Reset switch

J5 pins 19 - 20

Power LED & keylock

J5 pins 1 - 5

Green PC connector

JP2

Speaker

J5 pins 7 - 10

Green PC connector

JP4

Turbo LED

J5 pins 11 - 12

32-bit VESA local bus slots

SL1 - SL3

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Ľ

CMOS memory normal operation

JP1

Open

 

CMOS memory clear

JP1

Closed

Ľ

Factory configured - do not alter

JP3

N/A

Note: The location of JP3 is unidentified.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

2MB

(1) 256K x 36

(1) 256K x 36

NONE

NONE

4MB

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

(1) 256K x 36

4MB

(1) 512K x 36

(1) 512K x 36

NONE

NONE

4MB

(1) 1M x 36

NONE

NONE

NONE

6MB

(1) 256K x 36

(1) 256K x 36

(1) 512K x 36

(1) 512K x 36

8MB

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

(1) 512K x 36

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

8MB

(1) 2M x 36

NONE

NONE

NONE

10MB

(1) 256K x 36

(1) 256K x 36

(1) 1M x 36

(1) 1M x 36

12MB

(1) 512K x 36

(1) 512K x 36

(1) 1M x 36

(1) 1M x 36

12MB

(1) 1M x 36

(1) 2M x 36

NONE

NONE

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 2M x 36

(1) 2M x 36

NONE

NONE

16MB

(1) 4M x 36

NONE

NONE

NONE

18MB

(1) 256K x 36

(1) 256K x 36

(1) 2M x 36

(1) 2M x 36

20MB

(1) 512K x 36

(1) 512K x 36

(1) 2M x 36

(1) 2M x 36

20MB

(1) 1M x 36

(1) 4M x 36

NONE

NONE

24MB

(1) 1M x 36

(1) 1M x 36

(1) 2M x 36

(1) 2M x 36

24MB

(1) 2M x 36

(1) 4M x 36

NONE

NONE

32MB

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

(1) 2M x 36

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

32MB

(1) 8M x 36

NONE

NONE

NONE

34MB

(1) 256K x 36

(1) 256K x 36

(1) 4M x 36

(1) 4M x 36

36MB

(1) 512K x 36

(1) 512K x 36

(1) 4M x 36

(1) 4M x 36

36MB

(1) 1M x 36

(1) 8M x 36

NONE

NONE

40MB

(1) 1M x 36

(1) 1M x 36

(1) 4M x 36

(1) 4M x 36

40MB

(1) 2M x 36

(1) 8M x 36

NONE

NONE

48MB

(1) 2M x 36

(1) 2M x 36

(1) 4M x 36

(1) 4M x 36

48MB

(1) 4M x 36

(1) 8M x 36

NONE

NONE

64MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

64MB

(1) 8M x 36

(1) 8M x 36

NONE

NONE

64MB

(1) 16M x 36

NONE

NONE

NONE

66MB

(1) 256K x 36

(1) 256K x 36

(1) 8M x 36

(1) 8M x 36

68MB

(1) 512K x 36

(1) 512K x 36

(1) 8M x 36

(1) 8M x 36

68MB

(1) 1M x 36

(1) 16M x 36

NONE

NONE

72MB

(1) 1M x 36

(1) 1M x 36

(1) 8M x 36

(1) 8M x 36

72MB

(1) 2M x 36

(1) 16M x 36

NONE

NONE

DRAM CONFIGURATION (CONíT)

Size

Bank 0

Bank 1

Bank 2

Bank 3

80MB

(1) 2M x 36

(1) 2M x 36

(1) 8M x 36

(1) 8M x 36

80MB

(1) 4M x 36

(1) 16M x 36

NONE

NONE

96MB

(1) 4M x 36

(1) 4M x 36

(1) 8M x 36

(1) 8M x 36

96MB

(1) 8M x 36

(1) 16M x 36

NONE

NONE

128MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

128MB

(1) 16M x 36

(1) 16M x 36

NONE

NONE

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

64KB

(8) 8K x 8

NONE

(1) 8K x 8

128KB

(8) 8K x 8

(8) 8K x 8

(1) 8K x 8

256KB

(8) 32K x 8

NONE

(1) 8K x 8

512KB

(8) 32K x 8

(8) 32K x 8

(1) 32K x 8

512KB

(8) 64K x 8

NONE

(1) 32K x 8

1MB

(8) 64K x 8

(8) 64K x 8

(1) 32K x 8

1MB

(8) 128K x 8

NONE

(1) 32K x 8

2MB

(8) 128K x 8

(8) 128K x 8

(1) 128K x 8

CACHE JUMPER CONFIGURATION

Size

JP10

JP11

JP12

JP13

JP14

64KB

Open

Open

1 & 2

Open

Open

128KB

Open

Open

2 & 3

1 & 2

Open

256KB

Open

Open

1 & 2

1 & 2

1 & 2

512KB

Open

Open

2 & 3

2 & 3

1 & 2

512KB

Open

1 & 2

1 & 2

Open

1 & 2

1MB

Open

2 & 3

2 & 3

2 & 3

1 & 2

1MB

1 & 2

2 & 3

1 & 2

2 & 3

1 & 2

2MB

2 & 3

2 & 3

2 & 3

2 & 3

1 & 2

Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION

Speed

JP5

JP6

JP7

50MHz

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

60MHz

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

66MHz

pins 2 & 3 closed

pins 1 & 2 closed

pins 2 & 3 closed

VESA WAIT STATE CONFIGURATION

Wait states

JP15

0 wait states

pins 1 & 2 closed

1 wait state

pins 2 & 3 closed

BUS SPEED CONFIGURATION

CPU speed

JP16

<= 33MHz

pins 1 & 2 closed

> 33MHz

pins 2 & 3 closed

VESA SYNC/ASNYC CONFIGURATION

Type

JP8

JP9

Synchronous (from chipset)

Closed

pins 1 & 2 closed

Asynchronous( from OSC)

Open

pins 2 & 3 closed