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Altair 8800b Turnkey Model
Geared towards software enthusiasts and business applications, the 8800b Turnkey model is for the individual who does not require front panel operation.
Included on the Turnkey Module Board is a serial input/output (SIO) interface, 1K of RAM and provision for 1K of PROM* and sense switches. Extra I/O. PROM and RAM boards may be added. SIO interfacing can be made compatible with RS-232. current loop (TTY) or TTL. RAM and PROM locations are switch selectable to any two 1K blocks of the 64K bytes of memory accessible to the CPU.
The Front Panel Board contains the power switch which is key-Iocked for system security. A heavy duty power supply and an 18 slot motherboard allow up to 16 additional boards in the system (18 including the Turnkey Module board and CPU board).
* The Altair 8800b programmed PROM monitor; the Multi Boot Loader PROM and/or the Disk Loader PROM may be purchased separately and used on the Turnkey Module Board.
Specifications
| Number of Boards | Up to 18 |
|
Microprocessor |
|
| Model | 8080A |
| Technology | NMOS |
| Data Word Size, Bits | 8 |
| Clock Frequency | 2M Hz |
|
Add Time, Register to Register, Microsec. per data word |
2 |
| Number of Instructions | 78 |
|
Input/Output Control |
|
| I/0 Word Size, Bits | 8 |
| Number of I/0 Channels | 256 |
| Direct Memory Access | Optional |
| Interrupt Capability | Std. |
| Vectored Interrupt (8 priority levels) | Optional |
|
Software |
|
| Resident Assembler | Yes |
| Higher-Ievel Language | BASIC |
| Monitor or Executive | System Monitor; text editor |
| Complete Software Library (Separately Priced) | Yes |
The Old and the New
An 8800bt Turnkey with a
Pentium Lap Top as a Monitor!!
Photograph courtesy of Steve Kopito
Photo taken by Daisuke Tomiyasu with a Richo digital camera. Photograph © Daisuke Tomiyasu.
This Altair 8800bt Turnkey System is now part of the Virtual Altair Museum. (7 June 96)
It is being restored and will be configured as a complete Altair diskette system capable of running Basic and the Pertec version of the original Peachtree Software.
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