|
|
DELL
Draft – Pong Adds/Cohiba Power Up Sequence- l+ ]0 }1 i+ M
Created: 11/06/007 \4 G* V& e0 C1 I5 K+ ~) ]
Created for Armstrong/Riata by: C. Massery
. R4 C+ o& @: YEdited for Pong Adds/Cohiba by: Ty Kingsmore- V% R3 t6 L2 \
This document contains the power up sequence for the X00 rev of the Pong Adds/Cohiba platform., }8 a( ^' F- y/ D* H- S& Y# V
There are two sections to this document. The first section lists notes for some of the signals listed in the waveform section. The' k* K& c8 R- @2 z1 |( p R& H+ K
second section shows a timing diagram of the power up sequence." J% n B4 q- {6 _) p; M8 r5 V
Below are the conventions that are followed for the timing diagrams:
% \1 v. i' R# k1 q) A- time scale for x-axis is milli-seconds6 [ z* s1 J7 y) S
- edge to edge relations of signals are to scale" d3 P+ }) y: V0 e+ C
- signals that transition at the same time on the diagram occur within a relatively close time period
! c( j4 k! e0 \8 F3 C( W3 @- invalid times are included for the rise time of voltage planes
5 w% \! \7 Z, J+ u3 U- the timings are done based on a battery-boot situation.
7 @# l- p/ i7 v! `# U7 `7 s- The following configuration was used in taking the measurements:
+ t" D; P% c7 d+ G7 w- Pong Adds/Cohiba board 000E
& G) L& X* ]0 x/ d; O; b" G( Y- Sonny Q’s initial serial out’s BIOS" W3 Z- ]: n+ Z) V) z, s* J
- NO video card# {" W) e* h# \3 I% ?' G
- LT charger board& {$ [* `) C2 b) m5 f* w* n1 V
- 256 MB Samsung memory+ x* U# q8 f- ^
- 933 CuT processor+ N( L/ V8 T0 \, Q9 Z
Waveform Signal Information
6 a7 d3 H( i5 m' B5 y1 A- G3 iReferences below are to X00 revision of the schematic. This includes signal names, page and reference designator references.
8 `, n5 ?0 V" k# J) T Qpower_sw- source of this signal is JLED (p.35) or JDOCK (p.29)
# }0 {" f' p% H8 ^/ \7 A( {power_sw this signal is the output of the inverter U48, and the input to pin 2 of U80 |
|
IP卡
狗仔卡
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
显身卡
