MiTAC 7521 PLUS/N, Руководство по обслуживанию

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A A
B B
C C
D D
REV DESCRIPTION OF CHANGE ECR APPROVAL DATE
DRAWN DESIGN CHECK ISSUES
R00 09/29/2000
7521 plus R02
R0B 02/01/2001 1.Add 10K ohm pull high resistor b3v and DS90363 pin 14.
2.Add frequency select resistor.
3.Add ESD solution on PCMCIA socket.
4.Change test pin resistor of SiS900 form 4.7K to 10K ohm.
6.Add 0 ohm pull high resistor bS5V and EEPROM pin 6.
7.Modify Vcc_RTC circuit.
8.Modify Vmain_PWROK circuit.
9.Modify Vcc_CORE circuit.
10.Change SiS900 interrupt from IRQB to IRQC.
12.Add filter circuit for 25Mhz oscillator.
5.Correct autoload pin of SiS900 power form +5V to +S5V.
03/01/2001 R01 1.Add RLZ5.6B between VDD5 to GND.
2.Modify GPIO 83601R reset circiut.
4.Add LCD panel ID select DIP switch.
3.Modify CH7005 R-set circiut.
5.Modify CRT_ISOLATE circuit.
6.Modify LM393A circuit for RTC data loss problem.
R02 04/30/2001 1.Add AGPAVDD1 circiut for LCD panel incorrect color.
2.Modify "Enable_VGA AND PCI_RST#" circuit.
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7521 plus
C
1 30 Tuesday, May 08, 2001
MITAC INTERNATIONAL CORP.
SD411670000002
Title
Size Document Number Rev
Date: Sheet of
GND
GND GND_D
GND GND GND
GND GND_D
GND
GND_D
GND
L517
BEAD_120Z/100M
1 2
L520
BEAD_120Z/100M
1 2
MTG14
MTG118_N_RD30X12
1
2
3
4
5
6
7
8
9
10
11
12
MTG11
MTG118_N_RD30X12
1
2
3
4
5
6
7
8
9
10
11
12
MTG8
MTG118_N_RD30X12
1
2
3
4
5
6
7
8
9
10
11
12
FD504
FD_DOT040
1
MTG10
MTG118_N_RD30X12
1
2
3
4
5
6
7
8
9
10
11
12
FD503
FD_DOT040
1
FD501
FD_DOT040
1
FD3
FD_DOT040
1
FD502
FD_DOT040
1
FD2
FD_DOT040
1
FD1
FD_DOT040
1
FD4
FD_DOT040
1
MTG1
MTG118_N_RD30X12
1
2
3
4
5
6
7
8
9
10
11
12
MTG6
MTG118_N_RD30X12
1
2
3
4
5
6
7
8
9
10
11
12
MTG7
MTG118_N_RD30X12
1
2
3
4
5
6
7
8
9
10
11
12
MTG9
MTG118_N_RD30X12
1
2
3
4
5
6
7
8
9
10
11
12
MTG12
ID2.1/OD5.0
1
MTG13
ID2.1/OD5.0
1