STB SYSTEMS, INC.
RIO PLUS
|
Card Type |
Memory/Multi-I/O |
|
Maximum Onboard Memory |
384KB DRAM |
|
I/O Options |
Apple ][ game port, clock/calendar, parallel port, SASI hard drive controller, serial port |
|
Data Bus |
8-bit ISA |
|
Hard Drives Supported |
Up to seven SASI drives |
|
CONNECTIONS | |||
|
Function |
Label |
Function |
Label |
|
Apple ][ game port |
J1 |
Parallel or SASI port |
J4 |
|
Unidentified |
J2 |
Serial port |
J5 |
|
1.5V AA battery connector |
J3 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Setting |
Label |
Position | |
|
Memory enabled |
SW1/3 |
On | |
|
Memory disabled |
SW1/3 |
Off | |
|
Parallel port address is 378h |
SW1/6 |
Off | |
|
Parallel port address is 278h |
SW1/6 |
On | |
|
Serial port address is 3F8h (COM1:) |
SW1/7 |
Off | |
|
Serial port address is 2F8h (COM2:) |
SW1/7 |
On | |
|
J4 is a parallel port |
SW1/8 |
Off | |
|
J4 is a SASI port |
SW1/8 |
On | |
|
DRAM | ||||||
|
Size |
Bank 0 |
Parity 0 |
Bank 1 |
Parity 1 |
Bank 2 |
Parity 2 |
|
64KB |
(8) 64K x 1 |
(1) 64K x 1 |
NONE |
NONE |
NONE |
NONE |
|
128KB |
(8) 64K x 1 |
(1) 64K x 1 |
(8) 64K x 1 |
(1) 64K x 1 |
NONE |
NONE |
|
192KB |
(8) 64K x 1 |
(1) 64K x 1 |
(8) 64K x 1 |
(1) 64K x 1 |
(8) 64K x 1 |
(1) 64K x 1 |
|
256KB |
(8) 64K x 1 |
(1) 64K x 1 |
(8) 64K x 1 |
(1) 64K x 1 |
(8) 64K x 1 |
(1) 64K x 1 |
|
320KB |
(8) 64K x 1 |
(1) 64K x 1 |
(8) 64K x 1 |
(1) 64K x 1 |
(8) 64K x 1 |
(1) 64K x 1 |
|
384KB |
(8) 64K x 1 |
(1) 64K x 1 |
(8) 64K x 1 |
(1) 64K x 1 |
(8) 64K x 1 |
(1) 64K x 1 |
|
DRAM (CONT) | ||||||
|
Size |
Bank 3 |
Parity 3 |
Bank 4 |
Parity 4 |
Bank 5 |
Parity 5 |
|
64KB |
NONE |
NONE |
NONE |
NONE |
NONE |
NONE |
|
128KB |
NONE |
NONE |
NONE |
NONE |
NONE |
NONE |
|
192KB |
NONE |
NONE |
NONE |
NONE |
NONE |
NONE |
|
256KB |
(8) 64K x 1 |
(1) 64K x 1 |
NONE |
NONE |
NONE |
NONE |
|
320KB |
(8) 64K x 1 |
(1) 64K x 1 |
(8) 64K x 1 |
(1) 64K x 1 |
NONE |
NONE |
|
384KB |
(8) 64K x 1 |
(1) 64K x 1 |
(8) 64K x 1 |
(1) 64K x 1 |
(8) 64K x 1 |
(1) 64K x 1 |
|
Note:The information of which chips are the parity chips is unidentified. | ||||||
|
MAINBOARD MEMORY | ||
|
Size |
SW1/1 |
SW1/2 |
|
64KB |
On |
On |
|
128KB |
On |
Off |
|
256KB |
Off |
On |
|
320KB |
Off |
Off |
|
SERIAL PORT INTERRUPT | ||
|
Setting |
SW1/4 |
SW1/5 |
|
IRQ3 |
Off |
On |
|
IRQ4 |
On |
Off |