Specifications
Processor Options
80486 SX 25 & 33MHz
80486 DX 25 & 33MHz
80486 DX2 50 & 66MHz
486 DX4 75 & 100MHz
Chip Set
Intel 82420 PCI set
(CDC, DPU, PCEB, and ESC chips)
CMD 0640 PCI IDE controller
SMC 37C665 Super I/O Controller
Expansion
Two 32-bit120-pin PCI
One shared PCI/EISA
Five 32-bit EISA (all EISA bus masters)
RAM Capacity
Four 72-pin (x36 type) SIMM sockets,
which accept up to 128MB of DRAM
Cache
8K of internal cache memory
128K of level 2 cache memory
Cache Upgrade
Option of up to 512K of level 2 cache
memory (write-through or write-back)
IDE
Two resident 40-pin IDE connectors
Auto detection of add-in IDE board
I/O Ports
Two 16550-compatible serial ports
One bi-directional parallel port with ECP
and EPP support
BIOS
Phoenix BIOS on 1MB Flash EPROM
Auto detection of memory size
Auto configuration of IDE hard disk drive
types
Connectors
One floppy interface
One keyboard interface
Burn-in
48 hours (minimum)
D
D-1