PC-RETRO Motherboard Kit: IBM Clone Computer
The PC-RETRO Kit (Catalog #PC-RETRO) is a hobby electronics kit for building a faithful reproduction of the classic IBM PC 5150 motherboard from 1982. We spent over 1 year in development of this product offering. We started with the original circuit diagrams, as published by IBM in their Technical Reference Manual. These open source circuit diagrams launched the explosion in PC clone products that followed the IBM PC introduction. Reverse engineering the original IBM board was a substantial undertaking, as we found some differences between the 'official' circuit diagrams and actual board construction. Additionally, you can imagine the complexity of trouble-shooting this board and verifying its correct operation! Not to mention the logistical challenge of sourcing the original vintage electronic parts, which continues to be very challenging. You will receive all the components to build a PC Motherboard exactly as shown here:
Specifications: Electronic Kit to build a IBM PC Clone Motherboard of the 5150 Computer, with ANONYMOUS BIOS, 256KB Memory, All IC locations are socketed
Please note: This is an advanced electronic kit requiring careful assembly, which includes fine soldering, good attention to detail and knowledge of computers. Your project will need to be self-directed. Building a computer is an advanced electronic project. We are not able to offer returns on kits after construction has started.
DELUXE PC-RETRO KIT (Catalog # PC-Retro)...... $347.50 with free Priority Mail Shipping, USA Only (SORRY: No International)
We are an old fashioned mail order business! We have been in business for over 20 years.
Please send a check or money order for $347.50 and mention #PC-RETRO to:
MTM Scientific, Inc P.O. Box 522 Clinton, Michigan 49236
Question about availability. Other questions. Please write to MTM@MTMSCIENTIFIC.COM
The PC-RETRO MEMORY BANK OPTION (Catalog #MEMORY) is an optional item which will expand the onboard memory of the PC-RETRO by another 64 KB. The memory of the PC-RETRO is measured in 'BANKS' of 64 KB each, in exactly the same way as the original IBM PC. The PC-RETRO motherboard will hold up to 4 banks of memory, for a total of 256 KB. Since the PC-Retro Kit is supplied with one full bank already, you can add up to 3 more banks. Note: It is not necessary to add more memory for the PC-RETRO to work. The PC-Retro kit will boot and function with the memory included with the kit, so adding more memory with this 9 piece chipset is strictly optional!
PC-Retro Memory Bank (Catalog #PC-MEM)............ $22.50 each. Only available when purchasing a PC-Retro Kit
NOTE: Our deluxe PC-Retro Kit is supplied with a full memory fill of 256K RAM. You do not need this extra memory with the Deluxe Kit above.
DIAGNOSTIC ROM (Catalog #DIAGROM)
is an optional diagnostic tool that PC-Retro Kit Builders and IBM 5150
PC Enthusiasts may find especially useful. This diagnostic
allows you to replace the BIOS ROM IC at location U33 with a
pre-programmed IC which will execute a detailed series of functional
tests on your Motherboard. This setup is great for
troubleshooting either the PC-Retro or the original IBM PC.
The software program is the vintage Landmark/SuperSoft
Diagnostic as described here: Program
this program requires either an MDA, Hercules or CGA video adapter to
provide video output. The program also has audio output to
relay some basic system information (without a display).
DIAGNOSTIC ROM.....(Catalog #DIAGROM)...................$22.50 each. Note: Only available when ordering a PC-Retro Kit
NOTE: You do not
order this Diagnostic ROM. This ROM is included with the Deluxe Kit
PC-RETRO OPTION: BARE PRINTED CIRCUIT BOARD (PCB)
The PC-RETRO PCB (Catalog #PC-PCB) is an option to purchase only the bare PCB (Printed Circuit Board). We are offering the bare PCB after having received numerous requests from hobbyists. This PCB is useful for building-out different parts of the PC circuit at your own pace using the circuit diagrams provided in the IBM 5150 Technical Reference Manual. You will receive only the bare board via Priority Mail. This item is especially useful if you have an interest in experimenting with the 8088 CPU, or exploring the inner workings of the IBM PC. Please Note: This is an item for advanced electronic hobbyists!
PC-Retro PCB (Catalog #PC-PCB)............ $49.50, with Free Priority Mail Shipping. Sorry: No International
Note: The bare PCB is no longer available. (We are using all remaining PCB's to create Deluxe Kits.)
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