Built-In Battery - American Megatrends Enterprise-III User Manual

Specifications,
Continued

Built-in Battery

The Enterprise-III EISA motherboard uses a Dallas DS1488 CMOS RAM chip with a built-in battery.
Math Coprocessor
Enterprise-III motherboards equipped with an 80486SX support an optional Intel 80487SX math
coprocessor.
Expansion Slots
The Enterprise-III has eight 32-bit EISA expansion slots. Six of these expansion slots are EISA bus
mastering slots. The other two slots are VL-Bus bus mastering slots. The VL-Bus and EISA slots also can
be used for 8- or 16-bit ISA adapter cards.
Seven DMA Channels
The Enterprise-III has seven DMA channels. In accordance with the EISA specifications, any DMA channel
may be programmed for 8, 16, or 32-bit DMA device size and ISA compatible, type A, type B, or burst type
C modes.
Enterprise-III EISA VLB Motherboard User's Guide
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