====== Texscan MSI SpectraGen 4B (SG4B) ======

Announced in July 1984, the SpectraGen 4 is an upgraded higher resolution version of the [[texscan_msi:sg3|SpectraGen 3]] character generator. It was also made in rack mount and tabletop versions.[(https://worldradiohistory.com/Archive-C-ED/80s/C-ED-1984-07.pdf#page=16)]

===== Photos =====
{{:texscan_msi:texscan_sg4b.jpg?400|}} {{:texscan_msi:texscan_sg4b_rear.jpg?400|}}

===== Boards =====

==== SG 4 GEN/VIDEO 82495-01 ====
{{:texscan_msi:sg4_gen_video.jpg?400|}} {{:texscan_msi:sg4_gen_video_back.jpg?400|}}

==== CMOS CPU 83543-01 ====
{{:texscan_msi:cmos_cpu.jpg?400|}} {{:texscan_msi:cmos_cpu_back.jpg?400|}}

==== CHAR GEN 82402-01 ====
{{:texscan_msi:char_gen_pcb.jpg?400|}} {{:texscan_msi:char_gen_pcb_back.jpg?400|}}

===== Files =====
  * [[https://archive.org/details/texscan-msi-sg3b-and-sg4b-operation-manual|Operation Manual]]
  * {{ :texscan_msi:texscan_sg4b_roms.zip |Texscan SG4B ROMs (Version 5.7)}}
  * {{ :texscan_msi:texscan_msi_sg4b_bitmap_fonts.zip |Download all fonts as PNG bitmaps}}