DECISION COMPUTER INTERNATIONAL CO., LTD.
PCDISK/512KB
|
Card Type |
Memory-based disk |
|
Maximum Onboard Memory |
256KB SRAM/512KB EPROM |
|
I/O Options |
Auto-reset function |
|
Data Bus |
8-bit ISA |
|
CONNECTIONS | |
|
Function |
Label |
|
Auto-reset connector (see pinout below) |
JP5 |
|
JP5 PINOUT | |||
|
Function |
Pin |
Function |
Pin |
|
To reset switch on case |
1 |
To reset function on mainboard |
3 |
|
To reset switch on case |
2 |
To reset function on mainboard |
4 |
|
USER CONFIGURABLE SETTINGS | |||
|
Setting |
Label |
Position | |
| » |
Set auto-reset check time to 4.5 seconds |
JP3 |
Pins 1 & 2 closed |
|
Set auto-reset check time to 9 seconds |
JP3 |
Pins 2 & 3 closed | |
| » |
Battery charge enabled |
JP4 |
Closed |
|
Battery charge disabled |
JP4 |
Open | |
|
SRAM/EPROM | |||||
|
EPROM Size |
SRAM Size |
U1 |
U2 |
U3 |
U4 |
|
None |
32KB |
(1) 32K x 8 |
None |
None |
None |
|
None |
64KB |
(1) 32K x 8 |
(1) 32K x 8 |
None |
None |
|
None |
96KB |
(1) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
None |
|
None |
128KB |
(1) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
|
None |
160KB |
(1) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
|
None |
192KB |
(1) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
|
None |
224KB |
(1) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
|
None |
256KB |
(1) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
|
SRAM/EPROM (CON’T) | |||||
|
EPROM Size |
SRAM Size |
U1 |
U2 |
U3 |
U4 |
|
64KB |
None |
(1) 27512 |
None |
None |
None |
|
64KB |
32KB |
(1) 27512 |
None |
None |
None |
|
64KB |
64KB |
(1) 27512 |
None |
None |
None |
|
64KB |
96KB |
(1) 27512 |
None |
None |
None |
|
64KB |
128KB |
(1) 27512 |
None |
None |
None |
|
128KB |
None |
(1) 27512 |
(1) 27512 |
None |
None |
|
128KB |
32KB |
(1) 27512 |
(1) 27512 |
None |
None |
|
128KB |
64KB |
(1) 27512 |
(1) 27512 |
None |
None |
|
128KB |
96KB |
(1) 27512 |
(1) 27512 |
None |
None |
|
128KB |
128KB |
(1) 27512 |
(1) 27512 |
None |
None |
|
192KB |
None |
(1) 27512 |
(1) 27512 |
(1) 27512 |
None |
|
192KB |
32KB |
(1) 27512 |
(1) 27512 |
(1) 27512 |
None |
|
192KB |
64KB |
(1) 27512 |
(1) 27512 |
(1) 27512 |
None |
|
192KB |
96KB |
(1) 27512 |
(1) 27512 |
(1) 27512 |
None |
|
192KB |
128KB |
(1) 27512 |
(1) 27512 |
(1) 27512 |
None |
|
256KB |
None |
(1) 27512 |
(1) 27512 |
(1) 27512 |
(1) 27512 |
|
256KB |
32KB |
(1) 27512 |
(1) 27512 |
(1) 27512 |
(1) 27512 |
|
256KB |
64KB |
(1) 27512 |
(1) 27512 |
(1) 27512 |
(1) 27512 |
|
256KB |
96KB |
(1) 27512 |
(1) 27512 |
(1) 27512 |
(1) 27512 |
|
256KB |
128KB |
(1) 27512 |
(1) 27512 |
(1) 27512 |
(1) 27512 |
|
320KB |
None |
(1) 27512 |
(1) 27512 |
(1) 27512 |
(1) 27512 |
|
384KB |
None |
(1) 27512 |
(1) 27512 |
(1) 27512 |
(1) 27512 |
|
448KB |
None |
(1) 27512 |
(1) 27512 |
(1) 27512 |
(1) 27512 |
|
512KB |
None |
(1) 27512 |
(1) 27512 |
(1) 27512 |
(1) 27512 |
|
SRAM/EPROM (CON’T) | |||||
|
EPROM Size |
SRAM Size |
U5 |
U6 |
U7 |
U8 |
|
None |
32KB |
None |
None |
None |
None |
|
None |
64KB |
None |
None |
None |
None |
|
None |
96KB |
None |
None |
None |
None |
|
None |
128KB |
None |
None |
None |
None |
|
None |
160KB |
(1) 32K x 8 |
None |
None |
None |
|
None |
192KB |
(1) 32K x 8 |
(1) 32K x 8 |
None |
None |
|
None |
224KB |
(1) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
None |
|
None |
256KB |
(1) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
|
64KB |
None |
None |
None |
None |
None |
|
64KB |
32KB |
(1) 32K x 8 |
None |
None |
None |
|
64KB |
64KB |
(1) 32K x 8 |
(1) 32K x 8 |
None |
None |
|
64KB |
96KB |
(1) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
None |
|
64KB |
128KB |
(1) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
|
128KB |
None |
None |
None |
None |
None |
|
128KB |
32KB |
(1) 32K x 8 |
None |
None |
None |
|
128KB |
64KB |
(1) 32K x 8 |
(1) 32K x 8 |
None |
None |
|
128KB |
96KB |
(1) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
None |
|
128KB |
128KB |
(1) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
|
SRAM/EPROM (CON’T) | |||||
|
EPROM Size |
SRAM Size |
U5 |
U6 |
U7 |
U8 |
|
192KB |
None |
None |
None |
None |
None |
|
192KB |
32KB |
(1) 32K x 8 |
None |
None |
None |
|
192KB |
64KB |
(1) 32K x 8 |
(1) 32K x 8 |
None |
None |
|
192KB |
96KB |
(1) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
None |
|
192KB |
128KB |
(1) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
|
256KB |
None |
None |
None |
None |
None |
|
256KB |
32KB |
(1) 32K x 8 |
None |
None |
None |
|
256KB |
64KB |
(1) 32K x 8 |
(1) 32K x 8 |
None |
None |
|
256KB |
96KB |
(1) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
None |
|
256KB |
128KB |
(1) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
(1) 32K x 8 |
|
320KB |
None |
(1) 27512 |
None |
None |
None |
|
384KB |
None |
(1) 27512 |
(1) 27512 |
None |
None |
|
448KB |
None |
(1) 27512 |
(1) 27512 |
(1) 27512 |
None |
|
512KB |
None |
(1) 27512 |
(1) 27512 |
(1) 27512 |
(1) 27512 |
|
Note:The 27512 parts are EPROMs, while the 32K x 8 parts are SRAMs. | |||||
|
SRAM/EPROM SETTINGS | |||||
|
U1-U4 |
U5-U8 |
JP1 |
JP2 |
SW1/7 |
SW1/8 |
|
EPROM |
EPROM |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Off |
Off |
|
EPROM |
None |
Pins 1 & 2 closed |
N/A |
Off |
N/A |
|
EPROM |
SRAM |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Off |
On |
|
SRAM |
SRAM |
Pins 2 & 3 closed |
Pins 2 & 3 closed |
On |
Off |
|
SRAM |
None |
Pins 2 & 3 closed |
N/A |
On |
N/A |
|
BASE I/O ADDRESS | ||||
|
Setting |
SW1/1 |
SW1/2 |
SW1/3 | |
| » |
1CCh |
On |
On |
On |
|
1DCh |
Off |
On |
On | |
|
1ECh |
On |
Off |
On | |
|
2CCh |
Off |
Off |
On | |
|
2DCh |
On |
On |
Off | |
|
2ECh |
Off |
On |
Off | |
|
3CCh |
On |
Off |
Off | |
|
BIOS ADDRESS | ||||
|
Setting |
SW1/4 |
SW1/5 |
SW1/6 | |
|
C0000h |
On |
On |
On | |
|
C4000h |
Off |
On |
On | |
|
C8000h |
On |
Off |
On | |
|
CC000h |
Off |
Off |
On | |
| » |
D0000h |
On |
On |
Off |
|
D4000h |
Off |
On |
Off | |
|
D8000h |
On |
Off |
Off | |
|
DIAGNOSTIC LED(S) |
|
The function of the LED is unidentified. |