ACHME COMPUTER, INC.

MS-4134

Processor

AM486SX/80486SX/SL80486SX/CX486M7/AM486DX/80486DX/SL80486DX/ AM486DX2/80486DX2/SL80486DX2

Processor Speed

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

Chip Set

ALI

Max. Onboard DRAM

128MB

Cache

128/256KB

BIOS

Award/Phoenix

Dimensions

270mm x 220mm

I/O Options

32-bit VESA local bus slots (2), 32-bit PCI slots (3), green PC connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

External battery

JB

Speaker

JP10 pins 7 - 10

Green PC connector

JG1

Turbo LED

JP10 pins 12 & 13

Green PC connector (monitor)

JG2

Turbo switch

JP10 pins 15 - 17

Green PC LED

JG3

Reset switch

JP10 pins 19 & 20

Chassis fan power

JP9

32-bit PCI slots

PC1 - PC3

Power LED & keylock

JP10 pins 1 - 5

32-bit VESA bus slots

SL1 & SL2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Battery type select internal

JB

pins 2 & 3 closed

 

Battery type select external

JB

Closed

»

PCI slot 1 SCSI controller select NCR 53C810 only

JP6

pins 2 & 3 closed

 

PCI slot 1 SCSI controller select any controller installed

JP6

pins 1 & 2 closed

»

BIOS type select EPROM

JP20

Open

 

BIOS type select 5v flash

JP20

pins 2 & 3 closed

 

BIOS type select 12v flash

JP20

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

1MB

(4) 256K x 9

NONE

NONE

1MB

NONE

(1) 256K x 36

NONE

2MB

NONE

(1) 512K x 36

NONE

2MB

(4) 256K x 9

(1) 256K x 36

NONE

3MB

(4) 256K x 9

(1) 256K x 36

(1) 256K x 36

4MB

(4) 1M x 9

NONE

NONE

4MB

NONE

(1) 1M x 36

NONE

5MB

(4) 1M x 9

(1) 256K x 36

NONE

5MB

(4) 256K x 9

(1) 1M x 36

NONE

6MB

(4) 1M x 9

(1) 256K x 36

(1) 256K x 36

8MB

NONE

(1) 2M x 36

NONE

8MB

(4) 1M x 9

(1) 1M x 36

NONE

9MB

(4) 256K x 9

(1) 1M x 36

(1) 1M x 36

9MB

(4) 256K x 9

(1) 2M x 36

NONE

12MB

(4) 1M x 9

(1) 1M x 36

(1) 1M x 36

12MB

(4) 1M x 9

(1) 2M x 36

NONE

16MB

(4) 4M x 9

NONE

NONE

16MB

NONE

(1) 4M x 36

NONE

17MB

(4) 4M x 9

(1) 256K x 36

NONE

17MB

(4) 256K x 9

(1) 2M x 36

(1) 2M x 36

17MB

(4) 256K x 9

(1) 4M x 36

NONE

18MB

(4) 4M x 9

(1) 256K x 36

(1) 256K x 36

20MB

(4) 4M x 9

(1) 1M x 36

NONE

20MB

(4) 1M x 9

(1) 2M x 36

(1) 2M x 36

20MB

(4) 1M x 9

(1) 4M x 36

NONE

24MB

(4) 4M x 9

(1) 1M x 36

(1) 1M x 36

24MB

(4) 4M x 9

(1) 2M x 36

NONE

32MB

NONE

(1) 8M x 36

NONE

32MB

(4) 4M x 9

(1) 2M x 36

(1) 2M x 36

32MB

(4) 4M x 9

(1) 4M x 36

NONE

33MB

(4) 256K x 9

(1) 4M x 36

(1) 4M x 36

33MB

(4) 256K x 9

(1) 8M x 36

NONE

36MB

(4) 1M x 9

(1) 4M x 36

(1) 4M x 36

36MB

(4) 1M x 9

(1) 8M x 36

NONE

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

Bank 2

48MB

(4) 4M x 9

(1) 4M x 36

(1) 4M x 36

48MB

(4) 4M x 9

(1) 8M x 36

NONE

64MB

(4) 16M x 9

NONE

NONE

65MB

(4) 16M x 9

(1) 256K x 36

NONE

65MB

(4) 256K x 9

(1) 8M x 36

(1) 8M x 36

66MB

(4) 16M x 9

(1) 256K x 36

(1) 256K x 36

68MB

(4) 16M x 9

(1) 1M x 36

NONE

68MB

(4) 1M x 9

(1) 8M x 36

(1) 8M x 36

72MB

(4) 16M x 9

(1) 1M x 36

(1) 1M x 36

72MB

(4) 16M x 9

(1) 2M x 36

NONE

80MB

(4) 16M x 9

(1) 2M x 36

(1) 2M x 36

80MB

(4) 16M x 9

(1) 4M x 36

NONE

80MB

(4) 4M x 9

(1) 8M x 36

(1) 8M x 36

96MB

(4) 16M x 9

(1) 4M x 36

(1) 4M x 36

96MB

(4) 16M x 9

(1) 8M x 36

NONE

128MB

(4) 16M x 9

(1) 8M x 36

(1) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

128KB

(4) 32K x 8

NONE

(1) 8K x 8

256KB (A)

(4) 32K x 8

(4) 32K x 8

(1) 32K x 8

256KB (B)

(4) 64K x 8

NONE

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JS1

JS2

128KB

pins 1 & 2 closed

pins 2 & 3 closed

256KB (A)

pins 2 & 3 closed

pins 1 & 2 closed

256KB (B)

pins 2 & 3 closed

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

JC1

JC4

JC6

AM486SX

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

80486SX

pins 2 & 3 closed

pins 2 & 3 closed

pins 2 & 3 closed

SL80486SX

pins 2 & 3 closed

pins 3 & 4 closed

pins 2 & 3 closed

CX486M7

pins 1 & 2, 3 & 4 closed

1 & 2, 3 & 4

pins 2 & 4 closed

AM486DX

pins 1 & 2, 3 & 4 closed

pins 2 & 3 closed

pins 2 & 3 closed

80486DX

pins 1 & 2, 3 & 4 closed

pins 2 & 3 closed

pins 2 & 3 closed

SL80486DX

pins 1 & 2, 3 & 4 closed

pins 3 & 4 closed

pins 2 & 3 closed

AM486DX2

pins 1 & 2, 3 & 4 closed

pins 2 & 3 closed

pins 2 & 3 closed

80486DX2

pins 1 & 2, 3 & 4 closed

pins 2 & 3 closed

pins 2 & 3 closed

SL80486DX2

pins 1 & 2, 3 & 4 closed

pins 3 & 4 closed

pins 2 & 3 closed

CPU TYPE CONFIGURATION (CON’T)

Type

JC7

JC8

JC11

JC13

AM486SX

pins 2 & 3 closed

pins 2 & 3 closed

Open

pins 1 & 2 closed

80486SX

pins 2 & 3 closed

pins 2 & 3 closed

Open

pins 1 & 2 closed

SL80486SX

pins 2 & 3 closed

pins 2 & 3 closed

Open

pins 1 & 2 closed

CX486M7

pins 2 & 4 closed

pins 1 & 2 closed

pins 3 & 6 closed

pins 2 & 3 closed

AM486DX

pins 2 & 3 closed

pins 2 & 3 closed

Open

pins 1 & 2 closed

80486DX

pins 2 & 3 closed

pins 2 & 3 closed

Open

pins 1 & 2 closed

SL80486DX

pins 2 & 3 closed

pins 2 & 3 closed

Open

pins 1 & 2 closed

AM486DX2

pins 2 & 3 closed

pins 2 & 3 closed

Open

pins 1 & 2 closed

80486DX2

pins 2 & 3 closed

pins 2 & 3 closed

Open

pins 1 & 2 closed

SL80486DX2

pins 2 & 3 closed

pins 2 & 3 closed

Open

pins 1 & 2 closed

CPU SPEED CONFIGURATION

Speed

JK1

JK2

25MHz

pins 1 & 4, 2 & 5 closed

pins 1 & 4, 2 & 5, 3 & 6 closed

33MHz

pins 1 & 4, 3 & 6 closed

pins 1 & 4, 2 & 5, 3 & 6 closed

40MHz

pins 2 & 5 closed

pins 4 & 7, 5 & 8, 6 & 9 closed

50iMHz

pins 1 & 4, 2 & 5 closed

pins 1 & 4, 2 & 5, 3 & 6 closed

66iMHz

pins 1 & 4, 3 & 6 closed

pins 1 & 4, 2 & 5, 3 & 6 closed

BUS SPEED CONFIGURATION

CPU speed

JV1

JV2

JV3

<= 33MHz

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

> 33MHz

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

PCI SLOT 2 CONFIGURATION

Setting

JP4

JP12

Falling edge sensitive interrupt

Closed

pins 2 & 3 closed

Rising edge sensitive interrupt

Closed

pins 1 & 2 closed

Low active level trigger interrupt (IRQ14)

Closed

Open

Low active level trigger interrupt

Closed

pins 2 & 3 closed

No card installed

Closed

Open