- MITS Altair 8800 - Computer Closet.
- IMSAI 8080 Resurrection | Hackaday.
- PDF IMSAI 8080, 1976 - Computer History Museum.
- Altair/MITS - DeR.
- IMSAI 8080 - Vintage Computer.
- Altair 8800micro « Briel Computers.
- Why was the Altair numbered "8800" even though the processor was an 8080?.
- Altair 8800 Emulator Kit – Assembled & Tested | Adwater & Stir.
- Altair BASIC via 8080 emulation • JeeLabs.
- IMSAI 8080 - Wikipedia.
- MITS Altair 8800B Turnkey FULLY TESTED WORKING IMSAI 8080 S-100 SOL-20.
- S100 Backplane 9 Slots für IMSAI 8080 oder ALTAIR - S-100 BUS | eBay.
- » Altair BASIC via 8080 emulation » JeeLabs.
MITS Altair 8800 - Computer Closet.
Like the old Altair S-100 bus, cards can be interchanged between them, and new cards can be designed that will work with both. 8080 CPU + Front Panel card. The 8080 itself is at the top, front and center for all to see. Left of it is the 8224 clock, reset, and ready generator. To the right of the 8080 is the switchmode power supply, using the. Intel 8085, 32/64KB RAM, 2× FDD 80/160KB, S-100 bus. 2KB monitor ROM, 2KB Video ROM The IMSAI 8080 was an early microcomputer released in late 1975, based on the Intel 8080 and later 8085 and S-100 bus. [1] It was a clone of its main competitor, the earlier MITS Altair 8800. The IMSAI is largely regarded as the first "clone" microcomputer. Altair MITS 8800 CPU Card - Close replica of the vintage board (Bare) for construction using the original manual. Description. Specs. Shipping. The boards are a very close copy of the vintage board and have been produced with hard gold plating on the fingers and a matte green finish that is similar to the original board.
IMSAI 8080 Resurrection | Hackaday.
At the time we began work on the Altair, core memory was still... a supply of 100-slot connectors at a really good price.... kit—which included the Intel 8080 processor and 256 bytes of memory.
PDF IMSAI 8080, 1976 - Computer History Museum.
The entire Altair 8800 system is comprised of a metal case, a power supply, a front panel with switches, and a passive motherboard with expansion slots. All of the circuitry – the CPU and memory, are on cards which plug into the expansion slots, which MITS called the “Altair Bus”. MITS altair 8080 This is largely expanded MITS altair 8800 machine. Basically its a classic home computer that can be programmed off switches at the front or via a teletype unit.... Three Copmpupro Econoram memory cards. Made by Godbout 1979 with 32 MM 5257N chips, 4K x 1 bit, making 16K card..
Altair/MITS - DeR.
June, 1978 Altair production discontinued: Original Price: Altair 8800 computer: $439 kit, $621 assembled (includes CPU board, front panel control board, power supply, and expander board) Expander board (adds 4 slots), $16 kit, $31 assembled 1K static RAM: $97 kit, $139 assembled 2K static RAM: $145 kit, $195 assembled. Most Altairs were powered by the Intel 8080A The Altair Disk subsystem consisted of two boards and the disk drive. Here is the first of those boards. This is the second of the Altair disk boards. The connector on the first one hooks up to this one and then the cable hooks up to the remaining pins on both boards.
IMSAI 8080 - Vintage Computer.
The computer they designed, the IMSAI 8080, was very similar to the Altair 8800 and was designed to run the same software. However, it was a much better design, with a higher specification power supply, an anodized aluminum chassis, 22 slots on the S-100 bus, and a great front panel design.
Altair 8800micro « Briel Computers.
The MITS680 is not S-100. While the MITS 680 uses the same 100-pin edge connector as the MITS Altair 8800; it's not S-100 compatible. The 680 bus boards' edge connector is in a different location than the MITS Altair 8800 boards and other S-100 boards. And, the MITS 680 bus signals are on entirely different pins.
Why was the Altair numbered "8800" even though the processor was an 8080?.
Memory, I/O boards and peripherals. The chassis has a capacity of up to 22 boards, and the universal memory and I/O interface boards will plug into any slot. With provision for 10 cable connectors, it's simple to phg numerous peripherals d~rectly into the IMSAI 8080. For large programs, you can have up to 64K bytes of 500-nanosecond memory.
Altair 8800 Emulator Kit – Assembled & Tested | Adwater & Stir.
Additional 4 slot motherboard kits (with 4 card edge connectors) are available at a price of $90 each. The kit comes with a guarantee that you will end up with a fully functional Altair. As long as you make a good effort at assembling the kit, and pay shipping both ways, I will diagnose and repair your kit for free.
Altair BASIC via 8080 emulation • JeeLabs.
Starting in 1977 IMSAI officially supported and sold "the Megabyte Micro", an IMSAI 8080 loaded with sixteen 64K DRAM boards. (This left two of the eighteen slots free for the CPU and I/O.) I have not seen such an expansion advertised specifically for the MITS Altair 8800 itself. Introduction. The Altair 8800 simulator is part of the SIMH family of simulators. Unlike a real Altair 8800 it features several enhancements: Choice of processor (8080 CPU, Z80 CPU or 8086 CPU) Optional banked memory (16 banks with 64 Kbyte) MMU supporting ROM and memory mapped I/O. Optional hard drive support for additional storage capacity.
IMSAI 8080 - Wikipedia.
When the 8080 (or Z80 in Mode 0) senses a CALL opcode during an interrupt cycle it will issue two additional cycles to fetch the address to be used. Thus there can be as many different entrypoints as one wishes (*3) Why Intel 8080 have 256 I/O port addresses, while it has only 8 RST instructions to handle 8 devices?. Here are 3 popular Altair programs which have been converted and are ready to load. (With Start & End addresses) TIC TAC TOE C000H – C9DEH (painfully slow) HAMURABI C000H – CAF1H (speed good, need RND) HUNT THE WUMPUS C000H – E5D6H (Set mem to 8K, need RND) HUNT THE WUMPUS (TRS-80/BAS version) Some emulator detail. It will even accept the same cards as the Altair, because of the S-100 bus design. The IMSAI was not the only computer to copy MITS' S-100 bus scheme, but it was the first. In an effort to expand into the serious business market, the IMSAI VDP-80 (Video Data Processor) was released in 1977. It is a large and heavy all-in-one computer system.
MITS Altair 8800B Turnkey FULLY TESTED WORKING IMSAI 8080 S-100 SOL-20.
The Fulcrum I-8080 I found has no memory or drives, but includes a Jade Big-Board Z80 CPU (rev C), a Fulcrum VIO-X and Morrow Designs Disk Jockey 2D/B floppy disk controller. It also has mostly original IMSAI chassis metalwork, and the Fulcrum updated replica IMSAI PS28D Power Supply, a Morrow Thinker Toys 20 slot active terminated Wunderbus. The micro processor was of course an Intel 8080 running at 2 MHz, maximum 64 k memory could be used. The case includes a big power supply and a "motherboard" with S-100 slots. And of course the nice front panel with the big red and blue toggle switches that gives IMSAI the typical -70 look.
S100 Backplane 9 Slots für IMSAI 8080 oder ALTAIR - S-100 BUS | eBay.
An Intel 8080 (and later the 8085) or Zilog Z80 microprocessor At least 16 kilobytes of RAM (beginning at address 0) A means to bootstrap the first sector of the diskette At least one floppy disk drive Compare that to a Hy-Tiny and you can see the. The 8080 is the brains of the Altair, and while emulators are cool, they don’t have the nerd cred of a panel of switches and LEDs. The hardware began as a.
» Altair BASIC via 8080 emulation » JeeLabs.
You can still find Altairs in museums, and some lucky individuals still have their machines. But they're rare. Here is a faithful simulation of a MITS Altair, complete with fan noise, switch clicks, volatile memory, and a functioning Intel 8080 processor. It works just like a real Altair, and runs at the correct 2Mhz clock speed. The board set installed is typical for the Altair Foley computer: The 8080 CPU board, two 16K static RAM boards, the two-board Minidisk controller set, and the Turnkey board. Click this text to see details of the restoration. Foley Front Panel Inside View from Front Inside View from Rear Card Cage Running Altair BASIC Custom Dual Drive Version. An Intel 8080 (and later the 8085) or Zilog Z80 microprocessor At least 16 kilobytes of RAM (beginning at address 0) A means to bootstrap the first sector of the diskette At least one floppy disk drive Compare that to a Hy-Tiny and you can see the.
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