Isa Bus Support; Display Adapter Card Support; Expanded Memory Manager Support; Non-Isa Bus Support - Epson S5U13705B00C User Manual

Isa bus evaluation board

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6.2 ISA Bus Support

VGA Display Adapter

Monochrome Display Adapter

S5U13705B00C Rev 1.0 Evaluation Board

Rev. 3.1

The S5U13705B00C board has been designed to directly support the 16-bit ISA bus

environment and can be used in conjunction with either a VGA or a monochrome display

adapter card.

There are 4 configuration inputs associated with the Host Interface (CNF[2:0] and BS#).

Refer to Table 2-3: "Jumper Settings," on page 7 and Table 5-1: "Host Bus Interface Pin

Mapping," on page 11 for complete details.

When using the S5U13705B00C in conjunction with another primary Display Adapter

(VGA or Monochrome) the following applies:

All VGA display adapters can be used with the S5U13705B00C board if the S1D13705 is

mapped to the upper 1M Byte of ISA bus memory, address F00000-F1FFFF. If the

S1D13705 is mapped to the address range 0C0000-0D0000, then no VGA or VGA

compatible display adapters can be used with the S5U13705B00C board. See Embedded

Memory Support on page 12.

The S5U13705B00C board can be used with monochrome display adapters at both memory

addresses.

If a memory manager is being used for system memory, the address range selected for the

SRAM start address must be excluded from use or memory conflicts will arise.

The S5U13705B00C board is specifically designed to support the standard 16-bit ISA bus.

However, the S1D13705 directly supports many other host bus interfaces. Header strips H1

and H2 are provided and contain all the necessary IO pins to interface to these host buses.

See CPU/Bus Interface Connector Pinouts on page 9; Table 2-1: "Configuration DIP

Switch Settings," on page 6; and Table 2-3: "Jumper Settings," on page 7 for details.

Seiko Epson Corporation

Technical Description

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