Compaq 164LX 用户手册

Features

B1

RTC battery (CR2032)

J25

Hard-drive LED connector

J1

Soft power connector

J26

PCI slot 0 (64-bit)

J2

Fan power, enclosure (+12V)

J27

System configuration jumpers

J3

Power (+3V, +5V, -5V, +12V, -12V)

J28

Flash ROM update enable/disable 
jumper

J4

COM1/COM2 (DB9) connectors

J29

SROM test port connector

J5

Keyboard/mouse connectors

J30

ISA slot 1

J6

EIDE drive 2/3 connector

J31

ISA slot 0

J7

EIDE drive 0/1 connector

U8 to U10

Cache SRAM (L3)

J8

SDRAM DIMM 0 [0:63] connector

U20 to U22 Cache SRAM (L3)

J9

SDRAM DIMM 1 [64:128] connector U31 to U33 Cache SRAM (L3)

J10

SDRAM DIMM 2 [0:63] connector

U37

I/O interface and address control 
(DS 21174-CA)

J11

SDRAM DIMM 3 [64:128] connector U40

Microprocessor, socket 
(DS Alpha 21164)

J12

Reserved

U41

Patch 8K PAL

J13

Parallel I/O connector

U42

EIDE controller

J14

Reserved

U43

System clock PLL (CY2308)

J15

Diskette (floppy) drive connector

U48

Microprocessor clock synthesizer 
(MC12439)

J16

PCI slot 3 (32-bit)

U49

Serial ROM, socketed (Xilinx 
XC17128D)

J17

PCI slot 2 (32-bit)

U50

PCI-to-ISA bridge (Intel 82378ZB)

J18

Microprocessor fan/fan sense connec-
tor

U53

Combination controller, Super I/O 
(SMC FDC37C935)

J19

Enclosure fan +12V power connector

U58

Flash ROM (1MB)

J20

Speaker connector

U59

PCI arbiter PAL

J21

Reset button connector

U60

PCI interrupt request PAL

J22

Halt button connector

U61

Power controller

J23

PCI slot 1 (64-bit)

U62

Power sense

J24

Power LED connector