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. | ||||||