PB 386 25 Overview

Note

There are two motherboard versions.
Rev. D has all simm sockets grouped together, Rev. F has them arranged in two groups.
 

Battery

DS1287 soldered on Motherboard

BIOS

2 X 32K Phoenix BIOS Phoenix 1.10.20C1 (Rev. D orig.) Phoenix 1.10.21C2 (Rev. D latest) Phoenix 1.10.19C2 (Rev. F orig.) Phoenix 1.10.21C2 (Rev. F latest) SETUP <Ctrl>-<Alt>-<Ins>

Bus Architecture

ISA based system bus

Cache

64K, 35 ns.

Chipset

---

CPU

80C386DX-25 MHz Keyboard Switchable <Ctrl>-<Alt>-<1> = 8 MHz <Ctrl>-<Alt>-<2> = 25 MHz Use number keys on numeric pad.

Interfaces

2 DB-9 Serial ports 1 DB-25 Parallel port 1 keyboard port 1 Ext. VGA Conn 15 pin on expansion slot 1 FDD Connector 1 HDD Connector

IRQ Availability

---

Network Certification

Novell Certified

RAM

4MB standard Maximum on Motherboard 8 MB LIM EMS 4.0 Compatible EMS Driver: EMM386.SYS 32-BIT MEM Cards on 32-BIT Slots (Intel AT32 compatible)

Speaker

Piezoelectric, soldered on motherboard

UART

---

Video

Oak, Trident, PBVGA Multi, or SVGA

Video RAM

---