S100 Computers Parts
IMSAI is offering parts for select boards on the s100computers.com website.
These are either custom or hard to find parts.
To help support the retro computing community, these parts are offered at a
15% discount from retail.
To ensure that you’re getting the discount, please be sure to refresh this page if you navigate or link anywhere outside this page
or sit idle for more than 15 minutes.
If you do, the discount will be set to zero to prevent accidental discounting.
Only purchases made from this page will be discounted.
You didn't think we were going to make you work just a little bit for that discount, did you?
IMPORTANT: Please note that these parts are being offered as third-party offerings.
IMSAI makes absolutely no warranty, express or implied, to the suitability of these parts for the S100 Computers boards listed on this page.
These parts are intended for use in IMSAI equipment, and their suitability for use in non-IMSAI equipment is not guaranteed.
We try to list all known issues with the compatibility of these parts, but we largely depend on feedback from the S100 Computers community.
EVEN MORE IMPORTANT: This page and discount pricing is only for S100 Computers members.
Please be sure you have successfully joined the Google Groups forum. There are instructions on their website for how to do this.
Orders may be rejected if they are placed by a non-member.
Refunds will not include the transaction fees incurred by IMSAI under these circumstances.
IMSAI cabinets are a great start to your new S-100 system.
They are made from the same quality aluminum construction they were back in the 1970s.
These have a few improvements like powder coated blue and gray pieces and more I/O connectors on the back.
The gray front escutcheon is compatible with any IMSAI front panel kit.
It even ships with a serial number badge and a printed user manual.
The cabinet comes in three configurations.
- -PC has a captive 8-foot gray power cord (just like the original).
- -PEM has a standard power entry receptacle that accepts any standard power cord.
- -PEM-NC is the cost-savings version of the -PEM without a cover. Great for hacker systems that are always open.
Of course, you can always add a cover later.
The cabinet is compatible with all IMSAI backplanes and power supplies.
It should be compatible with the 9-slot
S-100 Motherboard
listed on the S100 Computers website (mounted to the base plate with ¼-inch standoffs).
There should also be plenty of room in the power supply bay to put in your own power supply.
[†] Marked products are heavy or ship in a large box.
To give you the best possible shipping rates, you will be billed for the shipping separately.
If you have items in the cart that are not marked as heavy or large, you will be charged for shipping those during checkout.
Contact Us in advance if you want to get the current shipping rates for your items and destination.
Be advised that card guides are not included with the cabinet kit as they are normally ordered with the backplane.
If you are going to use your own backplane with this cabinet, order card guide sets below (CG 10) as appropriate.
In addition, please read the More Information section
for things to look out for when mixing third-party components like backplanes in this cabinet.
IMSAI is offering switches, LEDs, front panel acrylics, and masks for the
S100 Computers Front Panel Board.
Switches
The switches offered here are the same ones that are currently shipping in our CP-A board.
According to S100 Computers, these switches may require some trimming of the mounting lugs.
A mounting bracket is also recommended.
The bracket offered here is the same one that is currently shipping in our CP-A board.
Some switch positions may require some drilling of the bracket to allow the #4 sheet metal screw to hold the switch flange.
The PCB may need its bracket mounting holes enlarged to accommodate the #6 sheet metal mounting screws.
The s100computers.com website describes how to make your own mounting bracket. If you're up for it, that might produce the best result.
The switch positions on the PCB do not always align with the IMSAI standard positions.
We always advise reaching out to the S100 Computers community for the latest information on using these switches and/or bracket.
LEDs
This LED kit is for the Programmed Output, Status, Data Bus, Address Bus, and the first three control LEDs.
There is one spare that was used for the HOLD indicator.
The LEDs and spacers offered here are the same ones that are currently shipping in our CP-A board.
These are guaranteed to fit not only the PCB, but in the IMSAI acrylic panels if the IMSAI mounting hardware is used.
They are a gorgeous deep red (longest wavelength of visible any LED available) with a very wide viewing angle.
It’s an inexpensive investment in the appearance of your front panel.
Front Panel Acrylics and Masks
The front panel components offered here are the same ones that are currently shipping in our CP-A board.
The panels are high-quality cast acrylic, known for its clarity and scratch resistance.
The photo mask is rendered from a 2400 dpi scan of an IMSAI original mask onto a heavy photographic film.
The white backing mask is professionally die cut from stock that is heavier and whiter than the original.
If you prefer to order the panel assembly in separate pieces, they are listed here.
Because the S100 Computers Front Panel needs different legends for some of the LEDs,
you may want to consider printing your own mask on paper and skipping the white backing mask.
We have done this internally for prototypes, and it looked surprisingly good.
We got the best results using glossy photo paper, but your results may vary due to your printer’s characteristics.
But it's not the same as film or direct printing to the acrylic.
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