NEC TECHNOLOGIES, INC.

APC-H250E

Card Type

Memory

Chipset

Unidentified

Maximum Onboard Memory

8MB DRAM

Data Bus

16-bit ISA

DRAM CONFIGURATION

Size

Bank 1

Bank 2

4MB

None

None

6MB

(18) 128KB

None

8MB

(18) 128KB

(18) 128KB

Note:The location and configuration of Bank 0 is unidentified.

DRAM SWITCH CONFIGURATION

Card

Mainboard

SW1/1

SW1/2

SW1/3

SW1/4

4MB

0MB

On

On

On

On

4MB

1MB

On

On

On

On

4MB

2MB

On

On

On

On

4MB

3MB

On

On

On

On

4MB

4MB

On

On

On

On

4MB

5MB

On

On

On

On

4MB

6MB

On

On

On

On

4MB

7MB

On

On

On

On

4MB

8MB

On

On

On

On

4MB

9MB

On

On

On

On

4MB

10MB

On

On

On

On

4MB

11MB

On

On

On

On

4MB

12MB

On

On

On

On

4MB

13MB

On

On

On

On

4MB

14MB

On

On

On

On

6MB

0MB

On

On

On

On

6MB

1MB

On

On

On

On

6MB

2MB

On

On

On

On

6MB

3MB

On

On

On

On

6MB

4MB

On

On

On

On

6MB

5MB

On

On

On

On

6MB

6MB

On

On

On

On

DRAM SWITCH CONFIGURATION

Card

Mainboard

SW1/1

SW1/2

SW1/3

SW1/4

6MB

7MB

On

On

On

On

6MB

8MB

On

On

On

On

6MB

9MB

On

On

On

On

6MB

10MB

On

On

On

On

8MB

0MB

On

On

Off

Off

8MB

1MB

On

Off

Off

On

8MB

2MB

On

On

Off

On

8MB

3MB

On

Off

On

Off

8MB

4MB

On

On

On

Off

8MB

5MB

On

Off

On

On

8MB

6MB

On

On

On

On

8MB

7MB

On

On

Off

Off

8MB

8MB

On

On

On

On

DRAM SWITCH CONFIGURATION (CON’T)

Card

Mainboard

SW2/1

SW2/2

SW2/3

SW2/4

SW2/5

SW2/6

4MB

0MB

On

On

On

Off

On

Off

4MB

1MB

On

On

On

Off

Off

On

4MB

2MB

On

On

On

Off

On

On

4MB

3MB

On

On

On

Off

On

Off

4MB

4MB

On

On

On

On

Off

Off

4MB

5MB

On

On

On

Off

On

On

4MB

6MB

On

On

On

On

Off

On

4MB

7MB

On

On

On

On

Off

Off

4MB

8MB

On

On

On

On

On

Off

4MB

9MB

On

On

On

On

Off

On

4MB

10MB

On

On

On

On

On

On

4MB

11MB

On

On

On

On

On

Off

4MB

12MB

On

On

On

On

On

On

4MB

13MB

On

On

On

On

On

On

4MB

14MB

On

On

On

On

On

On

6MB

0MB

Off

On

On

Off

On

Off

6MB

1MB

Off

Off

On

Off

On

On

6MB

2MB

On

Off

Off

Off

On

On

6MB

3MB

Off

On

Off

On

Off

Off

6MB

4MB

On

Off

On

On

Off

Off

6MB

5MB

Off

On

On

On

Off

On

6MB

6MB

On

On

Off

On

Off

On

6MB

7MB

On

Off

Off

On

On

Off

6MB

8MB

On

On

On

On

On

Off

6MB

9MB

On

Off

On

On

On

On

6MB

10MB

On

On

On

On

On

On

8MB

0MB

Off

On

On

Off

On

Off

8MB

1MB

On

Off

Off

Off

On

On

8MB

2MB

On

Off

Off

Off

On

On

DRAM SWITCH CONFIGURATION (CON’T)

Card

Mainboard

SW2/1

SW2/2

SW2/3

SW2/4

SW2/5

SW2/6

8MB

3MB

On

Off

On

On

Off

Off

8MB

4MB

On

Off

On

On

Off

Off

8MB

5MB

On

On

Off

On

Off

On

8MB

6MB

On

On

Off

On

Off

On

8MB

7MB

On

On

On

On

On

Off

8MB

8MB

On

On

On

On

On

Off

DRAM SWITCH CONFIGURATION (CON’T)

Card

Mainboard

SW3/1

SW3/2

SW3/3

SW3/4

SW3/5

SW3/6

4MB

0MB

Off

Off

On

Off

Off

Off

4MB

1MB

Off

On

Off

Off

Off

On

4MB

2MB

Off

On

Off

Off

Off

On

4MB

3MB

Off

On

On

Off

On

Off

4MB

4MB

Off

On

On

Off

On

Off

4MB

5MB

On

Off

Off

Off

On

On

4MB

6MB

On

Off

Off

Off

On

On

4MB

7MB

On

Off

On

On

Off

Off

4MB

8MB

On

Off

On

On

Off

Off

4MB

9MB

On

On

Off

On

Off

On

4MB

10MB

On

On

Off

On

Off

On

4MB

11MB

On

On

On

On

On

Off

4MB

12MB

On

On

On

On

On

Off

4MB

13MB

On

On

On

On

On

On

4MB

14MB

On

On

On

On

On

On

6MB

0MB

Off

Off

On

Off

Off

Off

6MB

1MB

Off

On

Off

Off

Off

On

6MB

2MB

Off

On

Off

Off

Off

On

6MB

3MB

Off

On

On

Off

On

Off

6MB

4MB

Off

On

On

Off

On

Off

6MB

5MB

On

Off

Off

Off

On

On

6MB

6MB

On

Off

Off

Off

On

On

6MB

7MB

On

Off

On

On

Off

Off

6MB

8MB

On

Off

On

On

Off

Off

6MB

9MB

On

On

Off

On

Off

On

6MB

10MB

On

On

Off

On

Off

On

8MB

0MB

Off

Off

On

Off

Off

Off

8MB

1MB

Off

On

Off

Off

Off

On

8MB

2MB

Off

On

Off

Off

Off

On

8MB

3MB

Off

On

On

Off

On

Off

8MB

4MB

Off

On

On

Off

On

Off

8MB

5MB

On

Off

Off

Off

On

On

8MB

6MB

On

Off

Off

Off

On

On

8MB

7MB

On

Off

On

On

Off

Off

8MB

8MB

On

Off

On

On

Off

Off

Note:The second column refers to the amount of extended memory already configured in the system.