Ithaca Audio Z-80 Ia 2000 | Audio-Digital.net

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Rare ITHACA AUDIO IA-2000 Main Z80 CPU for DPS-1 S100 ...

https://www.worthpoint.com/worthopedia/ithaca-audio-ia-2000-main-z80-cpu-dps-1869368075

Rare ITHACA AUDIO IA-2000 Main Z80 CPU for the Ithaca DPS-1, other Ithaca models and S100 computers marked 1979. Please see my other items for more rare boards from this estate. Will be …

Z-80 INSTRUCTION MANUAL - deramp.com

https://deramp.com/downloads/mfe_archive/010-S100%20Computers%20and%20Boards/00-Ithaca%20Audio%20-%20Ithaca%20Intersystems/10-Ithaca%20S100%20Boards/IA%201010%20Z80%20CPU/Ithaca%20Audio%20Z80%20CPU%20Manual%20(1977).pdf

8080 and Z-80 10 addressing modes. Unless you have a specific need for using the Z-80 mode, it is recommended that you use the 8080 mode, thereby maintaining $-100 bus compatibility. See step 4 of the section on 2 MHz operation for the proper installation of this jumper. It is highly recommended that you use static memories during the

S100 Computers Ithaca Audio Z80 CPU Card

http://s100computers.com/Hardware%20Folder/Intersystems/Z80-I%20Board/IA%20Z80-I.htm

Ithaca Audio Z80 CPU Card. This was Ithaca Audio's (later known a Intersystems) first S-100 card. ... Z-80 mode where the peripheral byte appears on the low order address, and the contents of the accumulator appears on the high order byte, allowing simultaneous I/O ... 64K Dynamic RAM 8K RAM EPROM IA-Display FDC IO-Card Z80-Series-II Z80 ADDA ...

Ithaca Audio Z80 manual 20a - DeRamp.com

2—80 10 addressing modes. Unless vou have a specific using the 2-80 mode, it is recommended that voU use mode, thereby maintaining S-IOO bus compatibility. 4 of the section on 2 Hilz operation for the proper installation of this jumper. Status Latch - the Z-80 board has been provided with a Status latch option, For latched

S100 Computers Ithaca Audio Z80 Series III CPU Card

http://s100computers.com/Hardware%20Folder/Intersystems/Series%20III%20Z80/IA%20Z80-IIII.htm

Ithaca Series III Z80 CPU Card. ... They came out with an extension of this board called the series III or XPU-80 board. It contains the following features:-6 MHz operation (Optional 4 MHz operation with no wait states) ... 64K Dynamic RAM 8K RAM EPROM IA-Display FDC IO-Card Z80-Series-II Z80 ADDA Board EPROM Burner FPB 256K Dynamic ...

Ithaca Audio, Intersystems S-100

http://retrotechnology.com/herbs_stuff/d_ithaca.html

Ithaca Audio docs: Ithaca Audio 16K EPROM, 23 pgs Ithaca Audio ad flyer, 1979, 1 pg 2708/2716 Eprom Card, IA-1050, 1977, 26 pgs Z-80 card, Oct 1977, 40 pgs 8K memory, 1977, 4 pgs (Forrest Duston) Ithaca Intersystems docs: MPU-80 (Series II Z80 IA-2000), 1979 w/1980 errata, schematic, 84 pgs XPU-80 (Z80B processor IA-1051 or 1851?) w/memory ...

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