Step 2 Install Memory
The main memory subsystem on the Mark V Baby Screamer motherboard consists of two 32-bit memory banks of four SIMM
sockets each. Both banks house SIMM (Single In-line Memory Module) DRAM packages. The SIMM bank accepts 256 KB, 1
MB, or 4 MB x 9 bit SIMMs.
Memory Configuration
The 80386 Mark V Baby Screamer supports 1 MB, 2 MB, 4 MB, 8 MB, 16 MB, and 32 MB memory configurations on the
motherboard using SIMMs. The following table describes the memory configurations.
Bank0
Bank1
Switch
5
Switch
6
Switch
7
Switch
8
Total
Memory
256 KB
None
ON
ON
ON
ON
640 KB
256 KB
256 KB
ON
OFF
ON
ON
1.64 MB
1 MB
None
ON
ON
ON
OFF
3712K
1 MB
1 MB
ON
OFF
ON
OFF
7808K
4 MB
None
ON
ON
OFF
OFF
16000K
4 MB
4 MB
ON
OFF
OFF
OFF
32384K
The amount of system memory displayed by AMIBIOS will be 384K less than the total amount of memory installed because the
384K segment between 640K and 1 MB is used by the system for BIOS shadowing and is not counted.
Summary of Contents for 42 Series
Page 1: ...American Megatrends Inc Series 42 Mark V Baby Screamer 80386 Motherboard User s Guide ...
Page 2: ...MAN 642 Rev C 9 11 92 ...
Page 13: ......
Page 35: ...A29 SA02 B29 5 A30 SA01 B30 OSC A31 SA00 B31 GND ...
Page 59: ......
Page 82: ......
Page 85: ...SRAM Locations ...