ACS, INC.
ACS-1000
|
Processor |
8088 |
|
Processor Speed |
4.77/8MHz |
|
Chip Set |
Unidentified |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
1MB |
|
Maximum Video Memory |
None |
|
Cache |
None |
|
BIOS |
Unidentified |
|
Dimensions |
305mm x 216mm |
|
I/O Options |
Floppy drive interfaces (2), SASI connector, parallel port, serial ports (2), serial bus connector |
|
NPU Options |
8087 |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Reset switch |
E2 |
Serial port |
P7 |
|
Speaker |
P2 |
Parallel port |
P8 |
|
Floppy drive interface |
P3 |
Reset switch |
P9 |
|
Floppy drive interface |
P4 |
SASI interface |
P10 |
|
Serial bus connector |
P5 |
External battery |
P11 |
|
Serial port |
P6 | ||
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Label |
Position | |
|
|
Normal reset operation enabled |
E2 |
Open |
|
Reset controlled by power supply signal |
E2 |
Closed | |
|
|
POST normal operation |
S1/1 |
Off |
|
POST special test |
S1/1 |
On | |
|
|
NPU not installed |
S1/2 |
On |
|
NPU installed |
S1/2 |
Off | |
|
|
BIOS type select 8K/16K |
S1/10 |
Off |
|
BIOS type select 32K |
S1/10 |
On | |
|
DRAM CONFIGURATION | ||||
|
Size |
Bank 0 |
Bank 1 |
Bank 2 |
Bank 3 |
|
64KB |
64K |
None |
None |
None |
|
128KB |
64K |
64K |
None |
None |
|
192KB |
64K |
64K |
64K |
None |
|
256KB (A) |
64K |
64K |
64K |
64K |
|
256KB (B) |
256K |
None |
None |
None |
|
512KB |
256K |
256K |
None |
None |
|
640KB |
256K |
256K |
64K |
64K |
|
1MB |
256K |
256K |
256K |
256K |
|
Note: The size of the chips are unidentified. | ||||
|
DRAM SWITCH CONFIGURATION | |||
|
Size |
S1/3 |
S1/4 |
S1/9 |
|
64KB |
On |
On |
Off |
|
128KB |
Off |
On |
Off |
|
192KB |
On |
Off |
Off |
|
256KB (A) |
Off |
Off |
Off |
|
256KB (B) |
On |
On |
On |
|
512KB |
Off |
On |
On |
|
640KB |
Off |
Off |
On |
|
1MB |
On |
Off |
On |
|
CPU SPEED SELECTION | |
|
Speed |
E1 |
|
Keyboard selectable |
Pins 1 & 2 closed |
|
4.77MHz |
Pins 2 & 3 closed |
|
8MHz |
Pins 3 & 4 closed |
|
PARALLEL PORT ADDRESS SELECTION | ||
|
Setting |
E3 | |
|
LPT2 if another device is set as LPT1. It is set as LPT1 if no other device is installed. |
Pins 1 & 2 closed | |
|
LPT1 at all times |
Pins 3 & 4 closed | |
|
SERIAL PORT ADDRESS SELECTION (P6) | ||
|
Setting |
E4 | |
|
COM1 |
Pins 1 & 2 closed | |
|
COM2 |
Pins 3 & 4 closed | |
|
COM3 |
Pins 5 & 6 closed | |
|
COM4 |
Pins 7 & 8 closed | |
|
SERIAL PORT INTERRUPT SELECTION (P6) | ||
|
IRQ |
E6 | |
|
IRQ2 |
Pins 5 & 6 closed | |
|
IRQ3 |
Pins 3 & 4 closed | |
|
IRQ4 |
Pins 1 & 2 closed | |
|
SERIAL PORT ADDRESS SELECTION (P7) | ||
|
Setting |
E5 | |
|
COM1 |
Pins 1 & 2 closed | |
|
COM2 |
Pins 3 & 4 closed | |
|
COM3 |
Pins 5 & 6 closed | |
|
COM4 |
Pins 7 & 8 closed | |
|
SERIAL PORT INTERRUPT SELECTION (P7) | ||
|
IRQ |
E7 | |
|
IRQ2 |
Pins 5 & 6 closed | |
|
IRQ3 |
Pins 3 & 4 closed | |
|
IRQ4 |
Pins 1 & 2 closed | |
|
MONITOR SELECTION | |||
|
Setting |
S1/5 |
S1/6 | |
|
None installed |
On |
On | |
|
80 x 25 color |
On |
Off | |
|
40 x 25 color |
Off |
On | |
|
Monochrome |
Off |
Off | |
|
FLOPPY DRIVE SELECTION | |||
|
Drives installed |
S1/7 |
S1/8 | |
|
1 |
On |
On | |
|
2 |
Off |
On | |
|
3 |
On |
Off | |
|
4 |
Off |
Off | |