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PUMA Station Board
1-2
u
Introduction
support internal cache.
The EB3486-TN station board uses 256Kx36, 512Kx36,
1Mx36, 2Mx36, 4Mx36, 8Mx36, 16Mx36 and 32Mx36
SIM modules with speeds of 70ns or 80ns. It can hold
128MB of memory onboard configurable in 30 different
sizes.
System support functions include system BIOS and
VGA BIOS Shadow RAM support, memory remapping,
seven channels of Direct Memory Access, 14 levels of
interrupts and five programmable timers.
Features and Specifications
•
CPU Modules : DBII and DBVII Series
DBII Series (without external cache)
DBII-486:
25/33MHz
-
486SX (PGA, PQFP)
25/33MHz
-
486DX (PGA)
50/66MHz
-
486DX2 (PGA)
DBII Series (with external cache)
DBII-486C: (Rev. 0/Rev. B)
25/33MHz
-
486SX (PGA)
25/33MHz
-
486DX (PGA)
50/66MHz
-
486DX2 (PGA)
DBVII Series (with Local bus VGA)
DBVII-486:
20/25/33MHz -
486SX (PGA, PQFP)
25/33MHz
-
486DX (PGA)