MiTAC 8355 service manual VT8235 1/3- PCI & USB

5

4

3

2

1

VT8235 (1/3)- PCI & USB

+2.5VS

U4

+3VS

3

VOUT

VIN

2

1

C147

GND

1

C879

+2.5VS

2

1U

1

AME8800DEFT

2

4.7U

0603

SOT89N

0805

+3V

+3VS_USB

1

+80-20%

D

L530

GND

D

120Z/100M

E5 F5 F7 F8 F12 F13 F16 F17 L5 M5 P5 P21 R5 R21 W5 Y5 Y21 AA21 AB6 AB7 AB10 AB11 AB14 AB15 AB20 AB21 AC18 AC19

D24 A24 A25 A26 B24 B25 B26 C24 C25 C26

2012

16,17,18

PCI_AD[0..31]

PCI_AD[0..31]

U20A

2

PCI_AD0

H3

AD0

VCC33

VCC33

VCC33

VCC33 VCC33 VCC33 VCC33 VCC33 VCC33 VCC33 VCC33 VCC33 VCC33 VCC33 VCC33 VCC33

VCC33 VCC33

VCC33

VCC33

VCC33

VCC33 VCC33 VCC33 VCC33 VCC33 VCC33 VCC33

USBVDD USBVDD USBVDD USBVDD USBVDD USBVDD USBVDD USBVDD USBVDD USBVDD

PCI_AD1

J2

AD1

1

PCI_AD2

H2

30MIL

C696

AD2

PCI_AD3

J1

0.1U

PCI_AD4

G3

AD3

0603D

AD4

T4

2

PCI_AD5

H1

AD5

VSUS25

50V

PCI_AD6

G2

U4

AD6

VSUS25

PCI_AD7

G1

AD7

PCI_AD8

G4

D15

GND

+2.5V

AD8

USBSUS25

PCI_AD9

F2

L69

AD9

PCI_AD10

F1

+2.5VS_USB

1

2

AD10

PCI_AD11

E1

2012

AD11

PCI_AD12

F3

D22

1

1

120Z/100M

1

AD12

PLLVDDA

PCI_AD13

E2

A23

C330

C329

C686

AD13

PLLVDDA

PCI_AD14

E3

10U

0.1U

10U

AD14

PCI_AD15

D2

1206

0603

0805

PCI_AD16

B5

AD15

B23

2

10V

2

50V

L65

2

6.3V

AD16

PLLGNDA

PCI_AD17

A5

E22

+2.5VS_GND

1

2

Y5V

AD17

PLLGNDA

2012

PCI_AD18

C6

AD18

30MIL

0

PCI_AD19

B6

AD19

PCI_AD20

K1

GND

AD20

A21

USBP0_P

PCI_AD21

J3

AD21

USBP0+

USBP0_P

24

PCI_AD22

K2

B21

USBP0_N

AD22

USBP0-

USBP0_N

24

PCI_AD23

K3

E21

USBP1_P

AD23

USBP1+

USBP1_P

24

USBP4+

PCI_AD24

L2

D21

USBP1_N

AD24

USBP1-

USBP1_N

24

PCI_AD25

L3

A19

USBP2_P

USBP4-

AD25

USBP2+

USBP2_P

24

PCI_AD26

M2

B19

USBP2_N

USBP5+

AD26

USBP2-

USBP2_N

24

PCI_AD27

M1

E19

USBP3_P

USBP5-

AD27

USBP3+

USBP3_P

24

PCI_AD28

M3

D19

USBP3_N

AD28

USBP3-

USBP3_N

24

PCI_AD29

N1

A17

USBP4+

AD29

USBP4+

PCI_AD30

N3

B17

USBP4-

8 7 6 5

AD30

USBP4-

PCI_AD31

N2

E17

USBP5+

AD31

USBP5+

C

D17

USBP5-

RP17

C

PCI_C/BE#0

F4

USBP5-

CBE0#

15K*4

PCI_C/BE#1

D1

CBE1#

1206

PCI_C/BE#2

A4

A15

USB_OC0#

24

CBE2#

USBOC0#

PCI_C/BE#3

L1

B15

+3V

PCI_C/BE#[0..3]

CBE3#

USBOC1#

USB_OC1#

24

16,17,18

C15

PCI_C/BE#[0..3]

PCI_FRAME#

B4

USBOC2#

E15

USB_OC2#

24

1 2 3 4

16,17,18,25

PCI_FRAME#

PCI_DEVSEL#

B3

FRAME#

USBOC3#

D14

USB_OC3#

24

R680

1

2

10K 0603

16,17,18,25

PCI_DEVSEL#

DEVSEL#

USBOC4#

PCI_IRDY#

C4

E14

R677

1

2

10K 0603

16,17,18,25

PCI_IRDY#

IRDY#

USBOC5#

PCI_TRDY#

A3

16,17,18,25

PCI_TRDY#

TRDY#

PCI_STOP#

C3

GND

16,17,18,25

PCI_STOP#

STOP#

PCI_SERR#

C1

D23

USB_CLK

USB_CLK

6

16,17,25

PCI_SERR#

SERR#

USBCLK

PCI_PAR

D3

16,17,18 PCI_PAR

PAR

PCI_PERR#

C2

C23 R663 1

2 5.1K 1%

0603

R665

2

1

1.02K 0603

1%

16,17,18,25

PCI_PERR#

PERR#

USB REXT

+3V

PCI_INTA#

P1

+3VS

7,25

PCI_INTA#

INTA#

A20G

23

PCI_INTB#

P2

16,25

PCI_INTB#

INTB#

KBRC#

23

PCI_INTC#

P3

GND

16,17,18,25

PCI_INTC#

INTC#

PCI_INTD#

R1

V3

1

RP22

8

17,25

PCI_INTD#

INTD#

KBCK/KA20G

V2

2

10K*4

7

1

1

1

1

KBDT/KBRC

PCICARDBUS_REQ#0

D6

W2

3

1206

6

C708

C691

C714

C694

16,25

PCICARDBUS_REQ#0

REQ0#

MSCK/IRQ1

PCISLOT_REQ#1

C5

W1

4

5

1U

0.1U

0.1U

10U

25 PCISLOT_REQ#1

REQ1#

MSDT/IRQ12

MINIPCI_REQ#2

D4

0603

0603D

0603D

0805

17,25

MINIPCI_REQ#2

REQ2#

PCI1394_REQ#3

H4

2

2

50V

2

50V

2

6.3V

18,25

PCI1394_REQ#3

PCI_REQ#4

L4

REQ3#

D8

CRT_IN

Y5V

25

PCI_REQ#4

REQ4#

IPBTDFR/GPI14/GPO14

CRT_IN

11

25

PCI_REQ#5

PCI_REQ#5

N4

REQ5#

IPBRDFR/GPI10/GPO10

D7

KBD_CS0

KBD_CS0

23,25

C7

MPCIACT#

IPBTDCK/GPI15/GPO15

MPCIACT#

17

PCICARDBUS_GNT#0

E6

A6

KBD_CS1

16,25

PCICARDBUS_GNT#0

GNT0#

IPBRDCK/GPI11/GPO11

KBD_CS1

25

PCISLOT_GNT#1

D5

A7

GPI12

25

PCISLOT_GNT#1

GNT1#

IPBOUT0/GPI12/GPO12

GPI12

25

MINIPCI_GNT#2

E4

B8

GND

17,25

MINIPCI_GNT#2

GNT2#

IPBOUT1/GPI13/GPO13

GPIO13

25

PCI1394_GNT#3

J4

C8

MB_ID0

18,25

PCI1394_GNT#3

GNT3#

IPBIN0/GPI8/GPO8

MB_ID0

25

PCI_GNT#4

M4

B7

MB_ID1

25

PCI_GNT#4

GNT4#

IPBIN1/GPI9/GPO9

MB_ID1

25

PCI_GNT#5

P4

25 PCI_GNT#5

GNT5#

GPIO8~11 for input

GPIO12~15 for output

USBGND

USBGND

USBGND

USBGND

USBGND USBGND USBGND USBGND USBGND USBGND USBGND

USBGND USBGND

USBGND USBGND USBGND USBGND USBGND USBGND USBGND USBGND USBGND USBGND USBGND

6

PCI_SB_CLK

PCI_SB_CLK

R22

PCICLK

R400

GND

GND

GND GND GND GND GND GND GND GND GND GND GND GND GND

1

0/NA 2

STPAGP#

7

PCIRST#

R2

PCIRST#

0402

B

B

A1 A2 B1 B2 E9 E16 E23 E25 G5 H23 H25 K4 L11 AC9 AC8

A16 A18 A20 A22 B16 B18 B20 B22 C16 C17 C18 C19 C20 C21 C22 D16 D18 D20 E18 E20 F18 F19 F21 F20

VT8235_7

+3V

GND

14

U510B

1

JL508 2

CARD_RESET#

16

+2.5VS

JP_NET10

3

4

1

JL509 2

PCI_1394_RESET# 18

JP_NET10

+3V

1

JL510 2

MINIPCI_RESET#

17

+3V

74AHC14_V

JP_NET10

7

TSSOP14

1

JL511 2

AGP_RESET#

7

1

1

+3VS

1

JP_NET10

C706

C703

+3V

R282

10U

0.1U

0805

0603D

1

4.7K

2

6.3V

2

50V

GND

Y5V

R371

0603D

14

14

10K/NA

PCIRST#

D27

2

U510C

U510D

0603

2

3

5

6

9

8

1

JL512 2

2

IDE_RESET#

15

GND

U17

23,26 ALL_PWROK_5V

1

2

1

JP_NET10

+3VS

1

A1

Y1

6

1

JL513 2

LPC_SPIO_RESET#

22

2

5

R276 0 0603D

BAW56

74AHC14_V

74AHC14_V

JP_NET10

GND

VCC

L528

3

4

SOT23N

7

7

1

JL514 2

NB_RESET#

5

+3VS

+3VS_USB

1

A2

Y2

TSSOP14

TSSOP14

30MIL

120Z/100M

30MIL

JP_NET10

0805C

K

1

R372

NC7WZ07/NA

1

2

R721

150K/NA

SC70_6_EIAJ

0603

D26

10K

GND

GND

1

1

1

RLS4148/NA

0603

2

GND

C695

C688

C701

A

2

0.1U

10U

0.1U

0603D

0805

0603D

R841

1

0

2

RSMRST#

13,23

CPU_RESET#

2,3

A

2

50V

2

6.3V

2

50V

1

A

Y5V

C742

0603

Q505

1U

1K/NA

3

0805

1

2

R565

2

R1

2

16V

1

<Core Design>

0603

DTC144TKA/NA

GND

GND

GND

GND

Title

8355 M/D B/D

Size

Document

Rev

C

PCB316675400001/ASSY411675400001

R01

Number

Date:

Friday, September 19, 2003

Sheet

12

of

32

5

4

3

2

1

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