Alphapc 264Dp Daughtercard Switch/Connector/Component List - Compaq AlphaPC 264DP Technical Reference Manual

Table 2–2 AlphaPC 264DP Daughtercard Switch/Connector/Component List
Item No. Description
J1 Fan power
J2 SROM debug connector
J3 Daughtercard data connector
J4 Daughtercard power connector
H1 21264 heat sink
H2 +1.5-V regulator heat sink
D1-D5 LEDs
SW2 Switchpack
U1, U2, Bcache data SSRAMs
U9, U10,
U101-104
U3 1489
U4 1488
2.2 AlphaPC 264DP Mainboard Configuration Switches
The AlphaPC 264DP mainboard has two sets of programmable switches located at
SW2 and SW3, as shown in Figure 2–1. These switches set the hardware
configuration.
Note: There is no switchpack SW1 on production mainboards.
Figures 2–3 and 2–4 reflect the mainboard switches.
12 February 1999 – Subject To Change
AlphaPC 264DP Mainboard Configuration Switches
Item No.
U5
U6
U7
U11, U13, U14 lcx38
U12
U15
U16
U17
U18
U19
System Configuration and Connectors
Description
Microprocessor, socketed
(Alpha 21264)
Bcache tag SSRAM
Reset FPGA
8582 EEPROM
5-V to 2.2-V converter
tl7702b supervisor
512K×8 flash ROM, socketed
74f151 multiplexer
mic29302 3.3-V to 1.5-V regulator
2–5