Read Sharp MX-M260 / MX-M260N / MX-M260FG / MX-M260FP (serv.man3) Service Manual online
MX-M260/M310/M260N/M310N ELECTRICAL SECTION 10 - 2
B. PCL PWB BLOCK DIAGRAM
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[19:0]
DATA[63:0]
MEMA[14:5]
MEMD[31:0]
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
PIO
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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