 Acer File Extensions |
Packard Bell 386 33 M/Board
Specification
386-25 and 386-33 are basically the same. Jumper settings and motherboard layout may vary.
- Battery : DS1287 soldered on Motherboard
- BIOS : 2 X 32K Phoenix BIOS Phoenix 1.10.20C1 (Rev. D), Phoenix 1.10.19C2 (Rev. F). To access setup, Ctrl+Alt+Ins
- Bus Architecture : ISA based system bus
- Cache : 64K, 35 ns
- CPU : 80386-33 MHz. Keyboard Switchable Ctrl-Alt-1 = 8 MHz, Ctrl-Alt-2 = 33 MHz. Use number keys on numeric pad.
- Expansion Slots :
- 2 x 32-bit ISA
- 5 x 16-bit ISA slots
- 1 x 8-bit ISA slot
- Interfaces :
- 1 DB-25 Parallel Port
- 2 DB-9 Serial ports
- 1 Keyboard Port
- 1 Ext. VGA Conn 15 pin
- RAM : 4MB standard Maximum on Motherboard 8 MB
- Speaker : Piezoelectric, soldered on motherboard
- Video : Oak, Trident, PBVGA Multi, or SVGA
Jumpers
| Function | Jumper | Description |
|---|---|---|
| SIMM Type | E3-E5 E2-E4, E3-E5 None | Static Column Fast Paged RAS/CAS |
| Total RAM | None E7-E9 E6-E8 E6-E8, E7-E9 | 1MB 2MB 4MB 8MB |
| RAM Size | E16-E18, E17-E19 E18-E20, E19-E21 | 256k SIMM 1MB SIMM |
| Parallel Port | E25-E26, E29-E30 E26-E27, E28-E29 | LPT1 (IRQ7) LPT2 (IRQ7) |
| Serial Port 1 - COM1 | E31-E32 E32-E33 | Enabled Disabled |
| Serial Port 2 - COM2 | E34-E35 E35-E36 | Enabled Disabled |
| Video Display | E37-E38 E38-E39 | Monochrome Colour |
| Keyboard Reset | E40-E41 E41-E42 | Enabled Disabled |
| Math Coprocessor | E43-E44 E44-E45 | Installed Not Installed |
| Printer Acknowledge | E46-E47 E47-E48 | Leading Edge Trailing Edge |
| EPROM Size | E49-E50 E50-E51 | 64K 128K |
| Test | E52-E53 | Leave Open |
Upgrades
- Battery : DS1287 soldered on motherboard.
- Maths Co-Processor : This system supports the 80387-33 Math Co-processor. It is installed at location U79. No jumper settings are required.
- RAM : 4MB standard Maximum on Motherboard 8 MB. This board will accept RAS/CAS, Fast-Paged, or Static Column memory upto 8MB. See the jumpers section for necessary jumper changes when upgrading memory.