Differences

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--- blog:386_shootout_umc [2021/02/09 16:32] – [Motherboard Data & Variants] john
+++ blog:386_shootout_umc [2021/02/12 10:53] – [UMC UM82C481] john
@@ Line 4: / Line 4: @@
 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 =====
@@ Line 30: / Line 32: @@
 ^ Item           ^  ^
-| Form Factor    |  |
+| Form Factor    | Baby AT  |
-| Chipset        |  |
+| Chipset        | UMV UM82C481 / UMC82C482 |
 | Dimensions     |  |
-| Maximum RAM    |  |
+| Maximum RAM    | 8x 30pin SIMM; unknown capacity, but presumably 8x4MB to make 32MB |
-| Cache          |  |
+| Cache          | Yes; unknown capacity |
-| FPU            |  |
+| FPU            | Yes, PGA socket; 387 |
-| CPU Type       |  |
+| CPU Type       | 386 DX, PGA socket |
-| CPU Speeds     |  |
+| CPU Speeds     | 25,33,40MHz |
-| Expansion      |  |
+| Expansion      | 6x16bit, 1x8bit |
-Motherboard data can be found in the following locations:
-   *
 The UMC82C481 memory controller as fitted to this board supports the provision of UMB memory via **The Last Byte** memory manager. As noted in the file //chipset.doc//:
@@ Line 53: / Line 52: @@
   * {{ :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 =====