SYSTEM 1000 Motherboard Settings and Configuration
TEXAS INSTRUMENTS
SYSTEM 1000
Processor | 80286 |
Processor Speed | 12MHz |
Chip Set | AMD |
Max. onboard DRAM | 640KB (location unknown) 12MB external |
Cache | None |
BIOS | AMD |
Dimensions | 330mm x 218mm |
I/O Options | External memory card, parallel port, serial port |
NPU Options | 80287 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Serial port | J8 | External memory card connector | J3 |
Parallel port | J9 | External memory card connector | J4 |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper/Switch | Position | |
» | BIOS size select standard size | E1 & E2 | Open |
| BIOS size select larger size | E1 & E2 | Closed |
» | Speaker select internal | E3, E4, & E5 | E4 & E5 closed |
| Speaker select external | E3, E4, & E5 | Open |
» | Factory configured - do not alter | E6 & E7 | N/A |
» | BUS cycle wait state select normal | SW1/switch 1 | On |
| BUS cycle wait state select shortened | SW1/switch 1 | Off |
» | NPU disabled | SW1/switch 2 | Off |
| NPU enabled | SW1/switch 2 | On |
» | Factory configured - do not alter | SW1/switch 5 | Off |
» | NPU speed select 4MHz | SW1/switch 6 | Off |
| NPU speed select 8MHz | SW1/switch 6 | On |
» | Factory configured - do not alter | SW1/switch 7 | Off |
» | Monitor type select color | SW2/switch 7 | On |
| Monitor type select monochrome | SW2/switch 7 | Off |
BASE MEMORY CONFIGURATION | ||
Size | SW1/3 | SW1/4 |
256KB | Off | Off |
512KB | Off | On |
640KB | On | On |
PARALLEL PORT CONFIGURATION | |||||
Mode | LPT | IRQ | SW2/1 | SW2/2 | SW2/3 |
Enabled | LPT1 | IRQ7 | Off | Off | Off |
Disabled | LPT1 | IRQ5 | On | Off | On |
Enabled | LPT1 | IRQ5 | Off | Off | On |
Disabled | LPT1 | IRQ7 | On | Off | Off |
Enabled | LPT2 | IRQ7 | Off | On | Off |
Disabled | LPT2 | IRQ5 | On | On | On |
Enabled | LPT2 | IRQ5 | Off | On | On |
Disabled | LPT2 | IRQ7 | On | On | Off |
SERIAL PORT CONFIGURATION | |||||
Mode | COM | IRQ | SW2/4 | SW2/5 | SW2/6 |
Enabled | COM1 | IRQ7 | Off | Off | Off |
Disabled | COM1 | IRQ5 | On | Off | On |
Enabled | COM1 | IRQ5 | Off | Off | On |
Disabled | COM1 | IRQ7 | On | Off | Off |
Enabled | COM2 | IRQ7 | Off | On | Off |
Disabled | COM2 | IRQ5 | On | On | On |
Enabled | COM2 | IRQ5 | Off | On | On |
Disabled | COM2 | IRQ7 | On | On | Off |
LED SELF TEST CONFIGURATION | |||
Green | Yellow | Red | Item Failed |
On | On | On | CPU |
On | On | Off | 8142 test keyboard |
On | Off | On | 8254 timer 1 test |
On | Off | Off | ROM CRC check |
Off | On | On | CMOS RAM test |
Off | On | Off | Memory refresh test |
Off | Off | On | 0 - 256KB RAM test |
Off | Off | Off | Turbo mode test |
Off | Off | Off | Turbo parity error |
Off | Off | On | Nonturbo parity error |
On | On | On | 8259 test |
On | On | On | 8254 timer interrupt |
On | On | Off | Protected mode test |
On | Off | On | 8254 timer 2 test |
On | Off | Off | DMA test |
MEMORY CONFIGURATION | ||||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | Bank 4 | Bank 5 |
512KB | (2) 256K x 9 | NONE | NONE | NONE | NONE | NONE |
1MB | (2) 256K x 9 | (2) 256K x 9 | NONE | NONE | NONE | NONE |
1.5MB | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 | NONE | NONE | NONE |
2MB | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 | NONE | NONE |
2MB | (2) 1M x 9 | NONE | NONE | NONE | NONE | NONE |
2.5MB | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 | NONE |
3MB | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 | (2) 256K x 9 |
4MB | (2) 1M x 9 | (2) 1M x 9 | NONE | NONE | NONE | NONE |
6MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | NONE | NONE | NONE |
8MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | NONE | NONE |
10MB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | NONE |
640KB | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 |
MEMORY JUMPER CONFIGURATION | ||
SIMMs | E1 & E2 | E3 & E4 |
256K x 9 | Closed | Closed |
1M x 9 | Open | Open |
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