PBVX588 Motherboard Settings and Configuration
PACKARD BELL
PBVX588
Processor | NEC V40 (Integrated 8088-compatible CPU and system controller) |
Processor Speed | 8MHz |
Chip Set | NEC |
Max. Onboard DRAM | 640KB |
SRAM Cache | None |
BIOS | Award |
Dimensions | 355mm x 305mm |
I/O Options | Parallel port, serial port, video port |
NPU Options | 8087 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
Parallel port | P7 | Speaker | P12 |
Serial port | P8 | Reset | P13 |
Video port | P9 | Keylock & power LED | P14 |
Floppy drive interface | P11 | ||
USER CONFIGURABLE SETTINGS | |||
Function | Jumper/Switch | Position | |
| » | Monitor type select color | TOG | Left |
Monitor type select monochrome | TOG | Right | |
| » | Factory test mode disabled | SW1/1 | Off |
Factory test mode enabled | SW1/1 | On | |
| » | NPU disabled | SW1/2 | On |
NPU enabled | SW1/2 | Off | |
| » | System speed select fast (8MHz) | SW1/8 | On |
System speed select slow (5.5 MHz) | SW1/8 | Off | |
| » | Serial port enabled | SW1/10 | On |
Serial port disabled | SW1/10 | Off | |
| » | Parallel port enabled | SW1/11 | On |
Parallel port disabled | SW1/11 | Off | |
FLOPPY DRIVE INTERFACE CONFIGURATION | ||||
Mode | Drives Installed | SW1/7 | SW1/12 | |
| » | Enabled | A: | On | On |
Enabled | A: & B: | Off | On | |
Disabled | N/A | N/A | Off | |
ONBOARD VIDEO CONFIGURATION | ||||
Mode | SW1/5 | SW1/6 | SW1/9 | |
Monochrome | Off | Off | On | |
40x25 CGA | Off | On | On | |
| » | 80x25 CGA | On | Off | On |
External EGA card | On | On | Off | |
DRAM CONFIGURATION | ||||||
Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 | SW1/3 | SW1/4 |
256KB | (8) 41256 | NONE | NONE | NONE | On | On |
512KB | (8) 41256 | (8) 41256 | NONE | NONE | Off | On |
576KB | (8) 41256 | (8) 41256 | (2) 4464 | NONE | On | Off |
640KB | (8) 41256 | (8) 41256 | (2) 4464 | (2) 4464 | Off | Off |
Note:Parity sockets P1, P2, P3, and P4 are not used and should be left open. DRAM banks are soldered to the board, and should not be altered. | ||||||
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