Read Sharp MX-M260 / MX-M260N / MX-M260FG / MX-M260FP (serv.man4) Service Manual online
MX-M260 BLOCK DIAGRAM / ブロック図 1 - 3
3. PCL PWB BLOCK DIAGRAM / PCL PWB ブロック図
TMPR4937TB
PCIC
EBIF
SDRAM0(L)
32MB
SDRAM0(H)
32MB
SDRAMC
EBUSC
LCX244
LCX245
LCH
LCX373
100MHz/64bit
System
BUS
3.3V
Flash SO-DIMM (Mask ROM)
slot3 32MB
slot1 16MB
Flash SO-DIMM
(Boot,ESC/P)
Serial
EEPROM
256Kbit
ACE
BUSSPRT
UART
Tx49Core
IRC
G-Bus
Bridge
IM-Bus
ADDR[1
9
:0]
DATA[63:0]
MEMA[14:5]
MEMD[31:0]
MEMD[31:0]
LA[20:0]
LD[31:0]
CPUCLK
=
300MHz
OSC
25MHz
SDRAM
DIMM
256MB
(Max)
MEMD[15:0]
MEMD[31:16]
MEMD[63:0]
4Pin
Connector
(RS-232C
Connector)
PCI Connector
UART Ch1
33MHz/32bit
PCI
BUS
SPD
IO
ASIC
(Unicorn2)
System
Bus
I/F
1284
Cont
Image
Cont
RTC
I/F
IO
I/F
P
IO
LCX245
UART Ch0
(MBUS
Connector)
60Pin
Connector
USB1.1
ML60852A
USB
Connector
On
Board
32bit
144pin
S.O.DIMM
64bit
OSC
12MHz
slot0 4MB or 8MB
PIO
LCX244
ETHER
Connector
Ether
MacPHYter
II
USBCLK
RESETCLK
slot2 8MB
Flash SO-DIMM
(Code)
Flash SO-DIMM
(Option)
PCI Connector
USB
HOST
PWB
(JAPAN
ONLY)
USB
Connector
Connector
ISP1568
USB2.0
HOST
Controller
USB
SWITCH
BD6513F-E2
12MHz
(JAPAN
ONLY)
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