Zilog Z80195 - Manual (Page 37)

4-1
Z80185/195 D EVELOPMENT K IT
U SER ' S M ANUAL
UM951800100
Z ILOG
U SER ' S M ANUAL
C
HAPTER
4
R EFERENCE
MEMORY CONFIGURATIONS AND JUMPER SETTINGS
Memory Configurations
EPROM. The Z80185/195 board is shipped with a 28-pin ROM socket. The board is being shipped
with populated 27256-type ROM, which contains the Z80185 monitor program.
SRAM. The Z80185/195 board is shipped with 128Kx8 25ns RAM.
Pin
Jumper Numbers Description
J1 2-3 2751 Type
J1 1-2 27256 Type (or smaller)
Parallel Interface—IEEE 1284 Centronics Interface
Jumper Description
J2 Standard DB-25 parallel port connector as on PCs.
J3 Standard 36-pin “Centronics” connector found on printers.
J4 Miniaturized 36-pin (IEEE P1284-recommended for new
designs).
Host Operation
Jumper Description
J5 Place the supplied jumper blocks across all pins of J5.
J6 Empty
Peripheral Operation
Jumper Description
J6 Place the supplied jumper blocks across all pins of J6.
J5 Empty