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. | ||||||