Difference between revisions of "Ithaca Intersystems DPS-1"

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(Added detailed images of tear down.)
(Boards: DOH! Forgot the SIO board....)
 
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{{Blockquote | Functional front panel and z80 board. Pictured running the port FF test program testing input and output to port 0xFF. Note the corresponding ''programmed output'' LEDs to the ''Address-Programmed Input''
 
{{Blockquote | Functional front panel and z80 board. Pictured running the port FF test program testing input and output to port 0xFF. Note the corresponding ''programmed output'' LEDs to the ''Address-Programmed Input''
 
}}
 
}}
 +
Serial No. MFD-1107
  
 
See the clear vinyl bubbled up? I'm not sure if that was part of the shipping that you peel off, or a protective layer meant to be a permanent part of the system. Needs attention RSN.
 
See the clear vinyl bubbled up? I'm not sure if that was part of the shipping that you peel off, or a protective layer meant to be a permanent part of the system. Needs attention RSN.
  
 +
[[File:Byte January 1982 DPS-1 Advertisment.JPG|thumb|Byte Magazine January 1982 Vol 7 no 1|200px]]
 
I have a [[Intersystems Model 950]] set of disk drives working too. I've got a bit of RTFM to do first before trying to boot any media I may have. [[File:IthacaAudioModel510.jpg|thumb|Intersystems Model 950 disk drives|200px]]
 
I have a [[Intersystems Model 950]] set of disk drives working too. I've got a bit of RTFM to do first before trying to boot any media I may have. [[File:IthacaAudioModel510.jpg|thumb|Intersystems Model 950 disk drives|200px]]
  
 
I removed all the boards and the front panel (FP) board before testing the power supply. It was rock solid.
 
I removed all the boards and the front panel (FP) board before testing the power supply. It was rock solid.
  
 +
==Operating==
 +
===DPS-1 boot video===
 +
Check out [http://rodaw.me/2prN7UP this] YouTube video of the DPS-1 booting from eight inch double sided double density Shugart floppy disk drives.
 +
==Images==
 
[[File:Front View Running Port FF Test.jpg|800px]]
 
[[File:Front View Running Port FF Test.jpg|800px]]
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 +
[[File:Intersystems DPS-1 Top Open.jpg|800px]]
  
 
[[File:Front panel rear view key detail.jpg|400px]]
 
[[File:Front panel rear view key detail.jpg|400px]]
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 +
===Boards===
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<gallery >
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File:Intersystems MPU-80 IA-2000 Rev B.jpg|MPU-80 IA-2000 Rev B
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File:Intersystems IA-2030 64K Dynamic Ram Rev B.jpg|IA-2030 64K Dynamic Ram Rev B
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File:Intersystems FDC 2 IA-2020 Rev C.jpg|FDC 2 IA-2020 Rev C
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File:Intersystems IA-30 6 SIO Rev 0.jpg|IA-30 6 SIO Rev 0
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</gallery>
  
 
Detail of key lock (in case I rekey)  
 
Detail of key lock (in case I rekey)  
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[[File:Ithaca Front panel PCB.jpg|400px]]  
 
[[File:Ithaca Front panel PCB.jpg|400px]]  
  
Lot's of options on this FP  
+
Lot's of options on this FP
  
 
==Resources==
 
==Resources==
 +
===Manuals===
 +
I found these manuals [https://amaus.net/static/S100/intersystems/cards/ here] at https://amaus.net/static/S100/intersystems/
 +
* [[:File:Ithaca Intersystems Z80 CPU Manual 1977.pdf|Ithaca Intersystems Z80 CPU Manual 1977]]
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* [[:File:Ithaca Intersystems Hard Disk Adaptor.pdf|Ithaca Intersystems Hard Disk Adaptor]]
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* [[:File:Ithaca Intersystems Front Panel.pdf|Ithaca Intersystems Front Panel]]
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* [[:File:Ithaca Intersystems FDC-2 Disk Controller Manual.pdf|Ithaca Intersystems FDC-2 Disk Controller Manual]]
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* [[:File:Ithaca Intersystems FDC-2 Bootstrap.pdf|Ithaca Intersystems FDC-2 Bootstrap]]
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* [[:File:Ithaca Intersystems 64K DRAM Rev 0 Manual 1980.pdf|Ithaca Intersystems 64K DRAM Rev 0 Manual 1980]]
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* [[:File:Ithaca Intersystems Series II MPU-80.pdf|Ithaca Intersystems Series II MPU-80]]
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Found at the Internet Archives
 +
* [[:File:IthacaStandard BIOS.pdf|Ithaca Standard BIOS]] Helpful information for boot.
 +
 +
===Other DPS-1 sites===
 +
*[http://www.ricomputermuseum.org/Home/small-systems-at-ricm/intersystems-dps-1 Ricm Computer Museum]
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*[http://www.old-computers.com/museum/computer.asp?st=1&c=574 Old Computers .com]
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*[http://www.thepcmuseum.net/details.php?RECORD_KEY(museum)=id&id(museum)=159&PHPSESSID=11a2b6a9a752e55ae045f4e7697e1892 PC Museum Collection]
 +
*[http://www.retrotechnology.com/herbs_stuff/d_ithaca.html Ithaca Audio, Intersystems - Retro Technology S-100 Herb Johnson]
 +
*[http://www.s100computers.com/Hardware%20Folder/Intersystems/History/IA%20History.htm Intersystems] S-100Computers.com
  
  

Latest revision as of 23:59, 16 August 2019

Functional front panel and z80 board. Pictured running the port FF test program testing input and output to port 0xFF. Note the corresponding programmed output LEDs to the Address-Programmed Input

Serial No. MFD-1107

See the clear vinyl bubbled up? I'm not sure if that was part of the shipping that you peel off, or a protective layer meant to be a permanent part of the system. Needs attention RSN.

Byte Magazine January 1982 Vol 7 no 1
I have a Intersystems Model 950 set of disk drives working too. I've got a bit of RTFM to do first before trying to boot any media I may have.
Intersystems Model 950 disk drives

I removed all the boards and the front panel (FP) board before testing the power supply. It was rock solid.

Operating

DPS-1 boot video

Check out this YouTube video of the DPS-1 booting from eight inch double sided double density Shugart floppy disk drives.

Images

Front View Running Port FF Test.jpg

Intersystems DPS-1 Top Open.jpg

Front panel rear view key detail.jpg

Boards

Detail of key lock (in case I rekey)

Ithaca Chasis Front view without FP.jpg

The chassis has threaded attached standoffs. Quite a lot easier to reassemble this FP than the Imsai FPs. Rock solid power supply voltage tested with my EEVBlog meter.

Ithaca Front panel PCB.jpg

Lot's of options on this FP

Resources

Manuals

I found these manuals here at https://amaus.net/static/S100/intersystems/

Found at the Internet Archives

Other DPS-1 sites