PCDISK/512KB IO card Settings and Configuration
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. |
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