ENTERPRISE-II SERIES 16 Motherboard Settings and Configuration
AMERICAN MEGATRENDS, INC.
ENTERPRISE-II SERIES 16
Device Type | Mainboard |
Processor | 80486SX/80487SX/80486DX |
Processor Speed | 25/33/50MHz |
Chip Set | Intel |
Video Chip Set | None |
Maximum Onboard Memory | 96MB |
Maximum Video Memory | None |
Cache | 128KB |
BIOS | AMI |
Dimensions | 355mm x 304mm |
I/O Options | External memory card, floppy drive interface, PS/2 mouse port |
NPU Options | 4167 |
CONNECTIONS | |||
Purpose | Location | Purpose | Location |
AMI module connector | J5 | Turbo switch | J18 |
PS/2 mouse port | J6 | Turbo LED | J19 |
Floppy drive interface | J8 | Power connector | PS1 |
AMI module connector | J9 | Power connector | PS2 |
Speaker | J13 | Power connector | PS3 |
Power LED & keylock | J14 | External memory card | SL1 |
Reset switch | J17 | ||
USER CONFIGURABLE SETTINGS | |||
Function | Label | Position | |
» | Floppy drive select XT/AT | J12 | Pins 1 & 2 closed |
Floppy drive select PS/2 | J12 | Pins 2 & 3 closed | |
» | Factory configured - do not alter | J22 | Closed |
» | Factory configured - do not alter | SW1/1 | Off |
» | Monitor type select monochrome | SW1/2 | Off |
Monitor type select color | SW1/2 | On | |
SIMM CONFIGURATION (MAINBOARD) | ||
Size | Bank 0 | Bank 1 |
4MB | (4) 1M x 9 | None |
8MB | (4) 1M x 9 | (4) 1M x 9 |
16MB | (4) 4M x 9 | None |
32MB | (4) 4M x 9 | (4) 4M x 9 |
SIMM CONFIGURATION (EXTERNAL MEMORY CARD) | ||||
Size | Bank 2 | Bank 3 | Bank 4 | Bank 5 |
4MB | (4) 1M x 9 | None | None | None |
8MB | (4) 1M x 9 | (4) 1M x 9 | None | None |
8MB | (4) 1M x 9 | None | (4) 1M x 9 | None |
16MB | (4) 4M x 9 | None | None | None |
16MB | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
32MB | (4) 4M x 9 | (4) 4M x 9 | None | None |
32MB | (4) 4M x 9 | None | (4) 4M x 9 | None |
64MB | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 | (4) 4M x 9 |
Note: To install maximum memory of 96MB, fully populate mainboard with 32MB & install memory card with 64MB installed. | ||||
CACHE CONFIGURATION | |
Size | Bank 0 |
128KB | (4) 32K x 8 |
CPU SPEED SELECTION | |||
Speed | J2 | J27 | J35 |
25MHz | Pins 1 & 2 closed | Pins 1 & 2 closed | Pins 2 & 3 closed |
33MHz | Pins 1 & 2 closed | Open | Pins 2 & 3 closed |
50MHz | Pins 1 & 2 closed | Pins 1 & 2 closed | Pins 1 & 2 closed |
Note: If CPU is revision, B6 or earlier, leave J2 open. | |||
CPU TYPE SELECTION | ||
Type | J36 | J37 |
80486SX | Pins 2 & 3 closed | Open |
80487SX | Pins 1 & 2, 3 & 4 closed | Pins 2 & 3 closed |
80486DX | Pins 1 & 2, 3 & 4 closed | Pins 1 & 2 closed |
P24 | Pins 1 & 2, 3 & 4 closed | Pins 1 & 2 closed |
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