56
Check identification of Drive.
Check the connection of ATAPI
cable.
Check the communication between
PC and MT1518 (IC101).
Check SDRAM.
(IC102)
Check Flash ROM
(IC103).
2. Connection of Power and ATAPI cable
MT1508
DSP
Decoder
Encoder
ATIP Demodulator
Write Strategy
Write S/H Signal
I / F
Micro Processor
H
O
S
T
8MB
SDRAM
I/F
cable
Address
Data
IC 101
IC 103
IC 102
AT49F002N
512KB
Flash ROM
33.8688MHz
74
75
Address
Data
Pin no. Pin name
Pin no. Pin name
39
DASP
GND
40
37
CS1
CS3
38
35
DA0
DA2
36
33
DA1
PDIAG
34
31
INTRQ
IO16
32
29
DMACK
GND
30
27
IORDY
CSEL
28
25
IOR
GND
26
23
IOW
GND
24
21
DMARQ
GND
22
19
GND
KEY
20
17
HD0
HD15
18
15
HD1
HD14
16
13
HD2
HD13
14
11
HD3
HD12
12
9
HD4
HD11
10
7
HD5
HD10
8
5
HD6
HD9
6
3
HD7
HD8
4
1
/HRST
GND
2
CN101(ATAPI)
SDRAM
MT1518