PACKARD BELL
PB 386-25 (REVISION D)
Processor | 80386DX |
Processor Speed | 25MHz |
Chip Set | Intel |
Max. onboard DRAM | 8MB |
Cache | None |
BIOS | Phoenix |
Dimensions | 330mm x 240mm |
I/O Options | 32-bit expansion slots (2), parallel port, serial ports (2) |
NPU Options | 80387/3167 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Parallel port | J10A | Reset switch | J18 |
Serial port 1 (9 pin) | J10B/pins 1-10 | Speaker | J19 |
Serial port 2 (9 pin) | J10B/pins 11-20 | Keylock | J20 |
Serial port 2 (25 pin) | J10C | 32-bit expansion slots | S1 & S2 |
Note: J10C is a 25-pin version of serial port 2 (J10B pins 11-20). Either connector may be used, but not both. |
USER CONFIGURABLE SETTINGS | |||
Function | Jumper | Position | |
» | Printer acknowledge trailing edge | JP1 | pins 2 & 3 closed |
| Printer acknowledge leading edge | JP1 | pins 1 & 2 closed |
» | NPU disabled | JP6 | pins 2 & 3 closed |
| NPU enabled | JP6 | pins 1 & 2 closed |
» | Keyboard reset disabled | JP7 | pins 2 & 3 closed |
| Keyboard reset enabled | JP7 | pins 1 & 2 closed |
» | System type select DOS | JP8 | pins 2 & 3 closed |
| System type select UNIX | JP8 | pins 1 & 2 closed |
» | Monitor type select color | JP9 | pins 2 & 3 closed |
| Monitor type select monochrome | JP9 | pins 1 & 2 closed |
» | BIOS type select 2764 | JP10 | pins 1 & 2 closed |
| BIOS type select 27128 | JP10 | pins 2 & 3 closed |
SERIAL PORT CONFIGURATION | ||||
Port 1 (J10B/1-10) | Port 2 (J10B/11-20 or J10C) | JP4 | JP5 | |
» | COM1/IRQ4 | COM2/IRQ3 | pins 1 & 2 | pins 1 & 2 |
| COM1/IRQ4 | Disabled | pins 1 & 2 | pins 2 & 3 |
| Disabled | COM2/IRQ3 | pins 2 & 3 | pins 1 & 2 |
| Disabled | Disabled | pins 2 & 3 | pins 2 & 3 |
Note: Pins designated should be in the closed position. |
PARALLEL PORT (J10A) CONFIGURATION | |||
LPT | JP2 | JP3 | |
» | LPT1 | pins 1 & 2 closed | pins 2 & 3 closed |
| LPT2 | pins 2 & 3 closed | pins 1 & 2 closed |
| Disabled | pins 2 & 3 closed | pins 2 & 3 closed |
DRAM CONFIGURATION | ||||||
Size | Bank 0 | Bank 1 | JP17 | JP18 | JP13A | JP13B |
1MB | (4) 256K x 9 | NONE | pins 1 & 2 | pins 1 & 2 | Open | Open |
2MB | (4) 256K x 9 | (4) 256K x 9 | pins 1 & 2 | pins 1 & 2 | Open | Closed |
4MB | (4) 1M x 9 | NONE | pins 2 & 3 | pins 2 & 3 | Closed | Open |
8MB | (4) 1M x 9 | (4) 1M x 9 | pins 2 & 3 | pins 2 & 3 | Closed | Closed |
Note: Pins designated should be in the closed position. |
RAM TYPE CONFIGURATION | |||
Type | JP11 | JP12 | |
| RAS/CAS | Open | Open |
» | Fast Paged | Closed | Closed |
| Static Column | Open | Closed |
RAM SPEED CONFIGURATION | ||
Speed | JP15 | JP16 |
100ns or faster | pins 1 & 2 closed | pins 1 & 2 closed |
Slower than 100ns | pins 2 & 3 closed | pins 2 & 3 closed |