Figure 2-4, Component locations (top side), Etx-pvr – ADLINK ETX-PVR User Manual
Page 15: Figures 2-4, U1 u2 u8, U22 u20
![background image](/manuals/733596/15/background.png)
Chapter 2
Product Overview
ETX-PVR
Reference Manual
9
Figure 2-4. Component Locations (Top Side)
Temperature
Sensor (U20 - on
bottom side) [see
]
ON Semi
ADT7481ARMZ
Digital thermometer and
under/over alarm for local,
CPU, and I/O Hub
temperatures
Measures its
own ambient
temperature and
the temperature
outputs of the
CPU and I/O
Hub. Provides
under/over
temperature
alarm.
CPLD (U22)
Xilinx
XC9536XL
Complex Programmable
Logic Device (not user
programmable)
Provides control
for Power
Sequencing
SPI Flash (U37)
[see
]
PCT
PCT25VF016B
Serial Peripheral Interface
Flash memory chip
(firmware)
Stores BIOS in
Flash memory
Table 2-1. Major Components Descriptions and Functions (Continued)
Key:
U1 - CPU
U2 - I/O Hub (Southbridge)
U8 - PCI-to-ISA Bridge
U20 - Temperature Sensor
U22 - CPLD
U1
U2
U8
ETX-PVR_T
op_Comp_b
U22
U20