blog:386_shootout_umc

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blog:386_shootout_umc [2021/02/09 16:33] – [Motherboard Data & Variants] johnblog:386_shootout_umc [2021/02/18 12:43] (current) – [Conclusion] john
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 A 386DX/486 motherboard acquired from an auction, with information, repairs, testing and benchmarks. A 386DX/486 motherboard acquired from an auction, with information, repairs, testing and benchmarks.
 +
 +**[Update 12/02/2021]** - The seller lost the motherboard, so this particular transaction wasn't completed.
 ===== Initial Thoughts ===== ===== Initial Thoughts =====
  
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 | Chipset        | UMV UM82C481 / UMC82C482 |  | Chipset        | UMV UM82C481 / UMC82C482 | 
 | Dimensions      | Dimensions     
-| Maximum RAM    |  |  +| Maximum RAM    | 8x 30pin SIMM; unknown capacity, but presumably 8x4MB to make 32MB |  
-| Cache          |  +| Cache          | Yes; unknown capacity 
 | FPU            | Yes, PGA socket; 387 |  | FPU            | Yes, PGA socket; 387 | 
 | CPU Type       | 386 DX, PGA socket |  | CPU Type       | 386 DX, PGA socket | 
-| CPU Speeds      |  +| CPU Speeds     25,33,40MHz |  
-| Expansion      |  +| Expansion      | 6x16bit, 1x8bit 
  
  
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   * {{ :blog:tlb_v220.zip |}}   * {{ :blog:tlb_v220.zip |}}
 +  * {{ :blog:tlb_v252.zip |}}
  
-These UMB regions can then be used to load drivers and TSR's high, using the //hightsr// utility included with The Last Byte.+These UMB regions can then be used to load drivers and TSR's high, using the //highdvr// and //hightsr// utility included with The Last Byte memory manager similar to the MS-DOS commands //devicehigh// and //loadhigh//.
 ===== Configuration ===== ===== Configuration =====
  
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-(Go back to the [[blog:286_pc|286 PC main page]])+(Go back to the [[blog:386_pc|386 PC main page]])
  • blog/386_shootout_umc.1612888420.txt.gz
  • Last modified: 2021/02/09 16:33
  • by john