Display (DTC) MegaBoard-1

Chipset

IBM PC/XT chipset

Socket

DIP40

FSB speed

8MHz

Form factor

Baby AT (max 220 x 330 mm)

Dimensions

Empty

Cache

None/Integrated in the CPU

Max RAM size

640KB

RAM type

DIP-16 (1bit)

PSU connector

AT (6-pin P8 + 6-pin P9)

Also known as

S (stylized with resistor symbol) PC/XT TURBO

I/O ports

Floppy interface

Parallel

XT Keyboard

Expansion slots

8-bit ISA

Notes

Has breadboard area, looks like prototype of some sort

repair description of a very similar board: http://oldcomputer.info/log/index.php?id=20181027014204-restoring-the-old-pc-xt-clone-mainboard

Last updated 2024-11-01T16:57:51Z

Board info score is 8/10

Chips

Chipset part
Intel 8253 (Programmable Interval Timer) Intel 8255A (PPI) Intel 8284A (Clock Generator and Driver) Intel 8288 (Bus Controller) (multiple brand) Discrete Logic Intel 8237A (DMA Controller) Intel 8259A (Programmable Interrupt Ctrl.)

CPU family support

8088
8087

1 BIOS file available

COMPUTER TURBO - 1 entry

POST string

Note

Core Ver.

BIOS Ver.

Logs

POST string

Note

Core version

BIOS version

2.0

Logs

No drivers available

1 board document available

Release date

File

Logs

Release date

File

pages from the manual

Logs

Image 1 of 1 (Chr$)

Disclaimer

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