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PB 301 (Models: 386SXIIe & 386SXIIes) System Overview

Note

The PB 301 C.1 (20mhz) is wrongly advertised with having a maximum resolution of only 800 x 600 (256K RAM).
 

Battery

NiCad 3.6 V rechargeable.

BIOS

128K Phoenix BIOS Phoenix 1.10.2716 (latest) Phoenix 1.10.2713 SETUP Press <Ctrl>-<Alt>-<S> during post for setup

Bus Architecture

ISA based system bus

Cache

N/A

Chipset

 

CPU

80386SX-16 MHz 80386SX-20 MHz 80386SX-25 MHz Keyboard Switchable <Ctrl>-<Alt>-<- > = 8 MHz <Ctrl>-<Alt>-<+> = 16/20/25 MHz 80387SX-16 optional 80387SX-20 optional

Interfaces

1 DB-9 Serial ports 1 DB-25 Parallel port 1 15 pin VGA port 1 Proprietary modem connector 1 15 pin game port 1 PS/2 Keyboard port 1 PS/2 Mouse port.

IRQ Availability

5, 10, 11, 15 PB 301 IRQ Availability

Network Certification

N/A

RAM

B.2 with 1 MB surface mount: - Standard on motherboard: 1 MB - Maximum on motherboard: 5 MB (Use 256 Kb, 1 MB 9-bit SIMMs, 80ns) (enclosed) B.2 without 1 MB surface mount: - Standard on motherboard: 1 MB - Maximum on motherboard: 16 MB (Use 256 Kb, 1 MB, 4 MB 9-bit SIMMs 80ns) C.1 with 2 MB surface mount: - Standard on motherboard: 2 MB - Maximum on motherboard: 4 MB (use 1 MB 9-bit SIMMs, 80ns) EMS LIM 4.0 Compatible EMS Driver: EMM386.SYS (on DOS disk), or ACCEMM.SYS

Speaker

Piezoelectric, soldered on motherboard

UART

16C450

Video

Oak Extended VGA built into motherboard 1024 x 768, 16 bit

Video RAM

256K Standard/512K Maximum