Content refresh: 5,041 more media files from the running download
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01YDRjtmAiNpo5mK5N3d7QwZ
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@@ -12,6 +12,7 @@ cpus:
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- Zilog Z80
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params:
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name: TRS 80 MODEL 4
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image: /media/museum/photos/tandy_model4_running_s1.jpg
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company: /companies/tandy-radio-shack
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company_name: Tandy Radio Shack
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specs:
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@@ -69,38 +70,38 @@ params:
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- title: FIRST VERSION
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subtitle: ''
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text: Two Model 4 versions were released. One can recognize them at the surface from the different arrangement of the arrow keys.
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image: null
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image: /media/museum/photos/tandy_model4_system_s1.jpg
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- title: SECOND VERSION
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subtitle: ''
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text: |-
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The second version had an improved gate-array mainboard and a new location for the serial port.\
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The arrow keys are now clustered to the right of the keyboard.\
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This version features a second 3.5" DS DD 720 KB floppy drive (Tandy option).
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image: null
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image: /media/museum/photos/tandy_model4_systemus_s1.jpg
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- title: MODEL 4 PLATE
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subtitle: ''
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text: ''
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image: null
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image: /media/museum/photos/tandy_model4_plate_s1.jpg
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- title: BOTH KEYBOARD VERSIONS
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subtitle: ''
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text: ''
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image: null
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image: /media/museum/photos/tandy_model4_keyboards_s1.jpg
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- title: KEYBOARD CLOSE-UP
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subtitle: ''
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text: The red button is the Reset switch
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image: null
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image: /media/museum/photos/tandy_model4_keybcloseup_s1.jpg
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- title: SIDE VIEW
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subtitle: ''
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text: ''
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image: null
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image: /media/museum/photos/tandy_model4_sideview_s1.jpg
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- title: TOP VIEW
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subtitle: ''
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text: ''
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image: null
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image: /media/museum/photos/tandy_model4_topview_s1.jpg
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- title: FRONT PANEL
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subtitle: ''
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text: Both FDD drives were Tandon Single-sided, single density models.
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image: null
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image: /media/museum/photos/tandy_model4_fdds_s1.jpg
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- title: BOTTOM SIDE
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subtitle: ''
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text: |-
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@@ -109,21 +110,21 @@ params:
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**(3)** Expansion port connector\
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**(4)** Video adjustment\
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**(5)** Tape recorder DIN socket
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image: null
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image: /media/museum/photos/tandy_model4_bottomview_s1.jpg
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- title: 'INSIDE #1'
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subtitle: ''
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text: The mainboard is mounted vertically at the back.
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image: null
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image: /media/museum/photos/tandy_model4_inside_s1.jpg
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- title: 'INSIDE #2'
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subtitle: ''
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text: The top cover holds the CRT and its electronics. A fan has been added on top of the CRT.
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image: null
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image: /media/museum/photos/tandy_model4_topcover_s1.jpg
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- title: MAINBOARD, 1ST VERSION
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subtitle: ''
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text: |-
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The fist mainboard version used only standard chips. It had 64 KB of RAM. Provision was made for a second 64 KB RAM bank.\
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The separate floppy-disk controller card was located behind the mainboard as well as a smal sound generator circuit.
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image: null
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image: /media/museum/photos/tandy_model4_mainboard_s2.jpg
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- title: MAINBOARD, 2ND VERSION
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subtitle: ''
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text: |-
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@@ -139,16 +140,16 @@ params:
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**(8)** Z80 CPU socket. In this machine, the CPU chip was replaced by a RAM expansion piggy-back card
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Other chips were custom made for Tandy and had unknown part numbers.
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image: null
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image: /media/museum/photos/tandy_model4_mainboard_s1.jpg
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- title: RAM CARD
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subtitle: ''
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text: This RAM card is inserted on the Z80 CPU socket and provides up to 1 MB of extra RAM (2 x 512 KB DIP modules) used as a virtual floppy-disk drive.
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image: null
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image: /media/museum/photos/tandy_model4_ramcard_s1.jpg
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adverts:
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- title: US ADVERT, NOV. 1985
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subtitle: ''
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text: ''
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image: null
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image: /media/museum/pubs/tandy_model4d_pub_s1.jpg
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hardware:
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- title: REMOTE UNIT ACTIVE
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subtitle: Serial# 26-1210
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