Page
3
of
4
AR-B1474
Manual
PART NO:
220010008-01
1.13.
.
MEMORY SETTING
(1) Cache RAM Size Select (JP8)
256KB
1
2
3
4
512KB
(Factory Preset)
128KB
1
2
3
4
1
2
3
4
JP8
JP8
JP8
(2) DRAM Configuration
SIMM1 Total
Memory
256KX32(X36) 1MB
512KX32(X36) 2MB
1MX32(X36) 4MB
2MX32(X36) 8MB
4MX32(X36) 16MB
8MX32(X36) 32MB
1.14.CRT DISPLAY TYPE
SELECT (JP13)
Factory-Default Setting
MONO/EGA/VGA Display
Color Display
1
2
3
1
2
3
JP13
1.15.SWITCH SETTING
ON
1
2
3
4
5
6
OFF
7
8
SW1-1 &
SW1-2
Set the base I/O port address
SW1-3 &
SW1-4
Set the starting memory
address
SW1-5 &
SW1-6
Set the drive number of solid
state disk
SW1-7 &
SW1-8
Set the used ROM memory
chips
(1) I/O Port Address Select (SW1-1 &
SW1-2)
SW1-1 SW1-2 Base Port Solid State Disk Watchdog
OFF
(*)
OFF
210h 210h-213h
214h-215h
ON
OFF
290h 290h-293h
294h-295h
OFF
ON
310h 310h-313h
314h-315h
ON
ON
390h 390h-393h
394h-395h
(2) SSD Firmware Address Select
(SW1-3 & SW1-4)
SW1-3 SW1-4
SSD BIOS
Address
Bank Memory
Address
OFF
(*)
OFF
C800:0 (8KB)
CA00:0 (8KB)
ON
OFF
CC00:0 (8KB)
CE00:0 (8KB)
OFF
ON
D000:0 (8KB)
D200:0 (8KB)
ON
ON
DC00:0 (8KB)
DE00:0 (8KB)
(3) SSD Drive Number (SW1-5 & SW1-6)
SW1-5 SW1-6
Occupies floppy disk number
(SSD)
OFF
(*)
OFF
0 or 1 (Note 1)
ON
OFF
0 or 2 (Note 2)
OFF
ON
0
ON
ON
0
(4) SSD Drive Number for Simulate 2
Disk Drive (SW1-5 & SW1-6)
Occupies floppy disk number
SW1-5
SW1-6
FLASH (EPROM)
SRAM
OFF
OFF
0 or 1
2
ON
OFF
0 or 2
3
OFF ON
0
1
ON ON
0
2
(5) ROM Type Select (SW1-7 & SW1-8)
SW1-7
SW1-8
EPROM Type
OFF
OFF
UV EPROM (27Cxxx)
ON
OFF
5V FLASH 29Fxxx (*Note)
OFF
ON
5V FLASH (29Cxxx & 28Eexxx)
ON ON
12V
FLASH
(28Fxxx)
(6) SSD BIOS Select (JP7)
Disable
1
2
3
Enable
1
2
3
JP7
(Factory preset)
(7) SSD Memory Type Setting (M1 ~ M3
& JP5)
M1, M2 & M3
EPROM (128KX8, 256KX8 and 512KX8)
5V FLASH (64KX8, 128KX8 and 256KX8)
(Factory Preset)
5V FLASH (512KX8 Only)
SRAM
M1, M2 & M3
M1, M2 & M3
1
2
3
A
B
C
1
2
3
A
B
C
1
2
3
A
B
C
M1, M2 & M3
1
2
3
A
B
C
1
2
3
JP5
1MX8 EPROM
(O l )
1
2
3
JP5
1
2
3
JP5
1
2
3
JP5
1.16.CPU SETTING
(1) AMD DX2-80 CPU Select (JP1)
1
2
3
1
2
3
AMD DX2-80
Others CPU
JP1
(2) CPU Voltage Select (JP2)
1
2
3
1
2
3
3.3V
5V
JP2
1
3
5
1
3
5
(3) AMD 4X CPU (5x86) Select (JP15)
AMD CPU
1
2
3
Others CPU
1
2
3
JP15
(4) CPU Clock Select (JP6 & JP9)
2X
1
2
3
1X
1
2
3
1
2
3
JP9
1
2
3
Factory Preset
Pin Definition
1-2 A
3-4 B
5-6 C
1
2
3
4
5
6
B
A
C
JP6
CPU Type
CPU
Clock
Base
Clock
JP9
A B C
Note
DX-25,
DX2-50,
DX4-75
25MHz
50MHz
1X Close Open Open
DX-33,
DX2-66,
DX4-100,
5X86-133
33.3MHz 33.3MHz 1X Close Open Close Factory
Preset
DX-40,
DX2-80,
DX4-120
40MHz
40MHz
1X Close Close Open
DX-50 50MHZ
50MHz
1X Close Close Close
