HwMuseum | Index

UNIDENTIFIED

EXPANSION MEMORY HALF CARD WITH CLOCK/CALENDAR

Card Type

Memory card

Chipset/Controller

N/A

I/O Options

N/A

Maximum DRAM

576KB

MEMORY CONFIGURATION

System Memory

Total Memory

SW1/1

SW1/2

SW1/3

64KB

128KB

Off

On

Off

64KB

192KB

Off

On

Off

64KB

384KB

Off

On

Off

64KB

448KB

Off

On

Off

64KB

640KB

Off

On

Off

128KB

192KB

On

Off

On

128KB

384KB

On

Off

On

128KB

448KB

On

Off

On

128KB

640KB

On

Off

On

256KB (A)

192KB

On

On

Off

256KB (A)

384KB

On

On

Off

256KB (A)

448KB

On

On

Off

256KB (B)

512KB

On

Off

Off

256KB (B)

576KB

On

Off

Off

256KB (B)

640KB

On

On

Off

384KB

448KB

On

On

On

384KB

640KB

On

On

On

512KB

640KB

Off

Off

On

Note:Use the switch settings for 256KB (A) if 4164 chips are installed in bank 0, and 256KB (B) if

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

64KB

(9) 4164

None

None

128KB

(9) 4164

(9) 4164

None

256KB

(9) 41256

None

None

320KB

(9) 4164

(9) 41256

None

384KB

(9) 4164

(9) 41256

(9) 4164

512KB

(9) 41256

(9) 41256

None

576KB

(9) 41256

(9) 41256

(9) 4164

PARITY CONFIGURATION

Setting

SW1/4

»

Enabled

On

 

Disabled

Off