Difference between revisions of "Imsai 8080"
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Revision as of 16:47, 4 August 2018
Imsai 8080 S-100 computer. The original on top, and retrofitted with a hexadecimal front panel from Wameco on the bottom (Dad's Imsai)
See also; Imsai Floppy Disk
Contents
The Money Shot
The Money Shot as in how way to much money I spent to get these drives and the FIF FDC set. I now have four of the Calcomp floppy disk drives and an FIF FDC. Get ready, set - restore!
Dad's Imsai
This was my dad's computer. I recently rebuilt the power supply of dads original, I bought another Imsai computer off ebay to house the Wameco hexadecimal display front panel. I sent both of these front panels out to System Glitch for repair. I did the mechanical reinforcement of the switches on the Wameco FP1.
Images
Pictured with original 8080 CPU card, an unknow manufacturer 8k RAM board and Martin Eberhard's post era 88-2SIOJP I/O and EPROM board.
FIF / VIO evaluation - restoration
I paid entirely to much on ePay for an Imsai 8080 but included FIF FDC board set with both the IFM and FIB boards as well as the interconnect ribbon cable and the ribbon cable to the drive enclosure. It came with an Imsai eight inch FDD cabinet with identical drives to the set I already have Imsai Floppy Disk
See also; Imsai Floppy Disk
VIO
Udo Monk has a very nice video z80 pack simulation of the VIO
VIO front
VIO rear
FIF
FIB Front
FIB Rear
IFM Front
IFM Rear
SIO
MIO
Not pictured
- (2) Vector Graphic 16k static RAM vev 1
- Microbyte Memory M32KSS Rev a 32k RAM
- Potomac Micro-Magic Inc. MM-103 Modem (Base port address C0)
Resources
- EZBOOTS.ASM ezboots.asm Automatic bootstrap simulator for starting cp/m
- ABOOTSIM.ASM Like above but with error handling.
- IMSAI 8080 at Wikipedia.
- autometer.de Udo Munk stuff Lot's of Imsai goodies here.
- Kenneth Vaughn has some videos of the PCS-80
- IMSAI 8080 Feb 1976 Catalog
Manuals
- SIO2-2
- 8080 Manual
- PCS80-30 Users Manual
- VIO Manual
- MIO Rev 2
- IMSAI Schematics
- Imsai FDC notes and .ASM
- IMSAI CPM System Users Guide Version 1.31 Rev 2
..
