Dell Latitude LM Service Manual - Page 19

Table 1-2., Technical Specifications, Serial DTE .. . - bios

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Table 1-2. Technical Specifications (Continued) Memory (Continued) Memory access time: tRAC 70 ns tCAC 20 ns BIOS address F000:0000 Connectors Serial (DTE one 9-pin connector; 16,550-compatible, 16-byte buffer Parallel one 25-hole connector; unidirectional, bidirectional, EPP 1.9, or ECP Monitor one 15-hole connector PS/2 keyboard/mouse one 6-pin mini-DIN Infrared one IrDA 1.0-compliant window Audio microphone; headphones/speaker Audio Audio type SoundBlasterPro-compatible voice and music functions Audio controller ESS 1688 Conversion 16 bit (stereo analog-to-digital and digital-to-analog) FM music synthesizer 20-voice, 72-operator Interfaces: Internal ISA bus External microphone (minijack); headphones/speaker (minijack) Internal speaker amplifier . . . . 0.5 W stereo Controls volume can be controlled through key combina- tions and software application menus System Overview 1-9

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System Overview
1-9
Memory
(Continued)
Memory access time:
tRAC
. . . . . . . . . . . . . . . .
70 ns
tCAC
. . . . . . . . . . . . . . . .
20 ns
BIOS address . . . . . . . . . . . . .
F000:0000
Connectors
Serial (DTE) . . . . . . . . . . . . . .
one 9-pin connector; 16,550-compatible,
16-byte buffer
Parallel . . . . . . . . . . . . . . . . . .
one 25-hole connector; unidirectional,
bidirectional, EPP 1.9, or ECP
Monitor . . . . . . . . . . . . . . . . . .
one 15-hole connector
PS/2 keyboard/mouse . . . . . . .
one 6-pin mini-DIN
Infrared . . . . . . . . . . . . . . . . . .
one IrDA 1.0-compliant window
Audio . . . . . . . . . . . . . . . . . . .
microphone; headphones/speaker
Audio
Audio type. . . . . . . . . . . . . . . .
SoundBlasterPro-compatible voice and
music functions
Audio controller . . . . . . . . . . .
ESS 1688
Conversion . . . . . . . . . . . . . . .
16 bit (stereo analog-to-digital and
digital-to-analog)
FM music synthesizer . . . . . . .
20-voice, 72-operator
Interfaces:
Internal . . . . . . . . . . . . . . .
ISA bus
External. . . . . . . . . . . . . . .
microphone (minijack);
headphones/speaker (minijack)
Internal speaker amplifier . . . .
0.5 W stereo
Controls. . . . . . . . . . . . . . . . . .
volume can be controlled through key combina-
tions and software application menus
Table 1-2.
Technical Specifications
(Continued)