Specifications
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*PCI/ISA 486*
*Feature* *Specification*
*Processor Interface* *PCI Interface*
Supports 486-based processors installed Uses IPC for the host-PCI bridge
in a 296 pin ZIF socket chip
Host bus speeds are 25MHz and 33MHz *CMC-3 ASIC* for the host-PCI bridge
(PCI/ISA)
Intel 486 processors (S and non-'S' *IDE Interface*
series)*
*L2 Cache Interface* Supports up to 4 hard drives
128 KB or 256 KB Mode 2 support
Write Back Supports IDE CD-ROMs
*Memory - Interface* Supports IntelliSafe hard drives
Supports fast Page mode *I/O Interface*
Support for 512KB, 1MB, 2MB, 4MB, 8MB, Bi-Directional Parallel Port - SPP,
16MB,32MB SIMMs EPP 1.7 and 1.9, and ECP
Supports up to 136 MB for Models with 8 Two 8259 interrupt controllers
MB Soldered to System Board
Supports up to 128 MB for Models with One 8254 timer
no memory soldered to the System Board
Two DMA controllers *ROM*
Support for Flash ROM lock
Support for Flash ROM lock
*Intel 486 processors (S and non-'S' series), overdrive processors (but not
as a shipping configuration) and support for AMD SMI processors (when
available, and if Intel compatible, i.e. SLE)
*PCI/ISA 586*
*Processor Interface* *PCI Interface*
*Supports 3.3 volt Pentium processors*, Uses IPC for the host-PCI bridge
installed in a 320 pin ZIF socket. chip
*L2 Cache Interface* *CMC-3 ASIC* for the host-PCI bridge
(PCI/ISA)
256 KB *IDE Interface*
2-way set-associative Supports up to 4 hard drives
*Memory - Interface* Mode 2 support
Supports fast Page mode Supports IDE CD-ROMs
Support for 512KB, 1MB, 2MB, 4MB, 8MB, Supports IntelliSafe hard drives
16MB,32MB SIMMs
Supports up to 192 MBs *I/O Interface*
6 SIMM sockets Bi-Directional Parallel Port - SPP,
EPP 1.7 and 1.9, and ECP
*ROM* Two 8259 interrupt controllers
Support for Flash ROM lock One 8254 timer
Support for Flash ROM lock
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