9th Tee

Inside DirecTiVo

 

What's Here

 
TiVo Logo
The Official TiVo Web Site

AVS TiVo Fourm
AV Science / TiVo Discussion Fourm

Here are a few pictures of the inside of the DirecTiVo unit.

And you know what this is.  Cover off and the disk drives at the top.  Access card is lower left.

And another picture with the top off.

Inside DirecTiVo

The power supply is now on the side.

 

 

 

 

The Edge Connector is still there.

 

 

 

 

 

A nice pretty TiVo surface mount chip

 

 

 
#

Markings on Chip

Use

1 DS276 9939A2 682AA Dallas Semiconductor Low Power Transceiver Chip Line-Powered Rs232 Transceiver Chip http://www.dalsemi.com
3 MC33204D XAA030 Rail-to-Rail Operational Amplifier
http://onsemi.com/pub/Collateral/mc33201rev4.pdf
http://onsemi.com/pub/prod/0,1824,productsm_ProductSummary_BasePartNumber=MC33204,00.html
5 0003A 2250CS BCV
6 CONEXANT SMARTDAA 20473-11 EZ7946-1 0019 Mexico Voice Codec (VC) (Part of the Modem)
http://www.CONEXANT.com
10 Philips SAA7120H 01504130 Encodes digital YUV video data to an NTSC or PAL CVBS or S-Video signal  http://www-us.semiconductors.philips.com/acrobat/datasheets/SAA7120_21_1.pdf
11 CS4338K XXF0017 D/A converter from Crystal Semiconductors, AKA Cirrus Logic
12 CS4338K XXF0017 D/A converter from Crystal Semiconductors, AKA Cirrus Logic
13 Conexant SmartSCM/56 CX88168-11 E644811 033 Hong Kong Conexant V.90 modem
17 ATOAY 11293
33 9112N-06 Zero delay clock driver (ICS)
www.icst.com/products/settop.htm
34 F Japan 81F161622C-70 FN 0027 M32Z SDRAM 2-bankx524288 word x 16 bit 143 Mhz max clock rate
35 F Japan 81F161622C-70 FN 0027 M32Z SDRAM 2-bankx524288 word x 16 bit 143 Mhz max clock rate
37 LNBP15ST TAC034 LNB Supply and Control Vregs, Double Output Voltage (13V and18V) 5%  http://www.st.com/stonline/books/pdf/docs/5816.pdf
38 LNBP15ST TAC034 LNB Supply and Control Vregs, Double Output Voltage (13V and18V) 5%  http://www.st.com/stonline/books/pdf/docs/5816.pdf
39 F Japan 81F161622C-70 FN 0027 M32Z SDRAM 2-bankx524288 word x 16 bit 143 Mhz max clock rate
40 OMEGA D&S STi5505MVC-X C4D-D5078.00 T22080028 MALTA Ultra-rapid user navigation, fast execution of "trick modes" such as fast-forward and reverse and On-Screen Display (OSD).  Peripheral circuits required in DVD applications and DVB demux and descrambling functions
http://us.st.com/stonline/press/news/back99/b958p.htm
41 IBM 39MPEGCS22PFJ22C MPEG Decoder -CS22 MPEG Decoder  http://www.chips.ibm.com/products/mpeg/decoder/ds7263.pdf
http://www.chips.ibm.com/products/mpeg/av/cs22.html
http://www.chips.ibm.com/products/mpeg/decoder/ds7263.html
43 F Japan 81F161622C-70 FN 0027 M32Z SDRAM 2-bankx524288 word x 16 bit 143 Mhz max clock rate
46 TI TA550CPFB 071 DKKF ASYNCHRONOUS COMMUNICATIONS ELEMENT WITH AUTOFLOW CONTROL (This is the UART for the DSS port.)
48 PO3AH LVT244 3.3-V ABT Octal Buffers/Drivers With 3-State Outputs
http://www.fairchildsemi.com/ds/74/74LVTH244.pdf
http://www-s.ti.com/sc/psheets/scbs135b/scbs135b.pdf
49 CBOM 00003-000 LOCU49 VER B1 SST 39vf010  1 mbit Flash 
50 IBM PowerPC 403GCX 403GCX-3JC80C2 32-Bit RISC Embedded Controller
http://www-3.ibm.com/chips/techlib/techlib.nsf/techdocs/852569B20050FF77852569980056D755/$file/gcx_ds.pdf
51 OMEGA D&S STi5505MVC-X C4D-D5078.00 T22080028 MALTA Ultra-rapid user navigation, fast execution of "trick modes" such as fast-forward and reverse and On-Screen Display (OSD).  Peripheral circuits required in DVD applications and DVB demux and descrambling functions
http://us.st.com/stonline/press/news/back99/b958p.htm
54 TIVO REVA CASC-00002-000 0026KU330 TIVO ASIC??
55 M41T56 9033 ST Microelectronics 512 Bit Serial Access Timekeeper SRAM (Clock/Calendar)
56 TI 04D02KT LVC257A Quadruple 2-Line To 1-Line Data Selector/Multiplexer With 3-State Outputs
http://www-s.ti.com/sc/psheets/scas294h/scas294h.pdf
57 TI 04D02KT LVC257A Quadruple 2-Line To 1-Line Data Selector/Multiplexer With 3-State Outputs
http://www-s.ti.com/sc/psheets/scas294h/scas294h.pdf
58 PO4SD 74AC153 4-Input Multiplexer
http://www-s.ti.com/sc/psheets/schs237a/schs237a.pdf
61 Hyundai GM71VS65 163CLT5 0034 AG5 Korea 4,196,304 WORDS x 16 BIT MOS DYNAMIC RAM
62 Hyundai GM71VS65 163CLT5 0034 AG5 Korea 4,196,304 WORDS x 16 BIT MOS DYNAMIC RAM
63 Hyundai GM71VS65 163CLT5 0034 AG5 Korea 4,196,304 WORDS x 16 BIT MOS DYNAMIC RAM
64 Hyundai GM71VS65 163CLT5 0034 AG5 Korea 4,196,304 WORDS x 16 BIT MOS DYNAMIC RAM
66 TI 04D02KT LVC257A Quadruple 2-Line To 1-Line Data Selector/Multiplexer With 3-State Outputs
http://www-s.ti.com/sc/psheets/scas294h/scas294h.pdf
67 ATMEL 9949 AT90S2313-4SC ATMEL AVR Microcontroller
http://www.atmel.com/atmel/acrobat/doc0839.pdf
71 MICROCLOCK MK2745-26S
9946/920876
DVD/MPEG Clock Source
"This is a custom device, so no information can be given out."
http://www.icst.com/products/settop.html
72 PO3AH LVT244 3.3-V ABT Octal Buffers/Drivers With 3-State Outputs
http://www.fairchildsemi.com/ds/74/74LVTH244.pdf
http://www-s.ti.com/sc/psheets/scbs135b/scbs135b.pdf
76 F10
77 ATMEL 55882G AT90SC3232C 204 0034 Secure Microcontrollers for Smart Cards
http://www.atmel.com/atmel/acrobat/1065s.pdf
78 A253

Thanks to Chuck Hein, John Hill for help with chip identification.  

Check out the AVS/TiVo Underground for a great place to ask questions about upgrades.

Copyright © 2000 9th Tee Enterprises. All rights reserved.