Casio SA-5000 - Motherboard Block Diagram

— 16 —
HOST
CPU
IBC
M1487
CMP
M1489
IDC
ISA
PCI
GD GA
SD SA
XD
GA(9:2)
GA(17:2)
GA(26:2)
GA31
TAG
RASJ
MA
optional
optional
osc,reset
optional
DRAM parity
optional
KBC
optional
RTC
optional
7404
7408
7406
14069
CLKGEN
driving
optional
TAG
SRAM
DRAM
4
BANK
TAG
SRAM
F244
X2
SRAM
X4
SRAM
X4
2 bank
optional
ROM
RTC
KBC
LINK_BUS
CPU
586
ROM
ISA
RTC
KB
M1487
IBC
DRAM
M1489
CMP
PCI
HDD
CD-ROM
M1489 / M1487 System Block Diagram
IDE
SA
for serviceing porpose
No room to mounting
5-2. Motherboard block diagram
M1489CMP : Controls cache memory and PCI bus
M1487IBC : ISA bus controller
RTC : Real time clock (Dallas DS12887A )
CD ROM : CD ROM is used for serviceing purpose. There is no room to mount the CD-ROM.