Intel Advanced/EV

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Intel Advanced/EV
Intel Advanced-EV.jpg
Bus type PCI
Bus width 32-bit
Bus speed 33 MHz
PCI 5V tolerant? Unknown
"Unknown" is not recognized as a Boolean (true/false) value.
PCI 3.3V tolerant? Unknown
"Unknown" is not recognized as a Boolean (true/false) value.
Manufacturer Intel
Chipset Intel 430FX
Compatible with IDE, PC Floppy, RS232, LPT, AT Keyboard
Connectors RS232/DB9, LPT, AT Keyboard
Requires -5VDC? Unknown
"Unknown" is not recognized as a Boolean (true/false) value.
Requires -12VDC? Unknown
"Unknown" is not recognized as a Boolean (true/false) value.
Form factor Baby AT
Power connector
CPU socket Socket 5 + COAST
ISA slots 3 @ 16-bit
PCI slots 4 @ 32-bit 33MHz
RAM slots 4 @ 72-pin
Maximum RAM 128MB
134,217,728 B
Boot ROM Soldered, PLCC32, read-write
IDE Controller
IDE buses 2
Primary? Yes
Secondary? Yes
Tertiary? No
Quaternary? No
ROM type None
Floppy Controller
Floppy buses 1
Drives per bus 2
Secondary? No
ROM type None
Model CT2504 (Vibra 16S)
Full duplex Yes
Max sample rate Unknown
Channels 2
FM synth OPL3
CD Audio in:SBCD
PC Speaker in:None
Aux in:None
Phone (TAD) in/out:None
Line out:None
SPDIF out:None
SB Link:No
Factory memory 0 MB
0 B
CD interface None
IO Controller
Serial ports 2
COM1/2/3/4? Yes / Yes / Yes / Yes
Parallel ports 1
LPT1/2/3/4? Yes / ?
"?" is not recognized as a Boolean (true/false) value.
/ No / No
Game ports 1
Driver Missing download URL

The Intel Advanced/EV (codename Endeavour) is a Socket 5 Pentium 1 motherboard capable of up to 133MHz operation. It is also available in Socket 7 variants.

The board has optional onboard audio (Creative Labs Vibra 16S/CT2504) with an YMF289(OPL3) and optional onboard video (S3 Trio64V+). Booting from CD is not possible without a third-party bootloader.

The board can be emulated in PCem.

Additional photos


The optional onboard audio is provided by a Creative Labs CT2504 Vibra 16S chip. While not plug-and-play, the BIOS allows the I/O resources to be configured as needed.

The rear plugs are provided by a custom riser board that occupies a rear slot. It does not obscure any ISA or PCI slots as none are present at that position. Some versions of the riser card have a connector for front panel audio, although it is unknown whether this matches the later standard pinout for front panel audio.

If no speakers are connected, the output of the sound card will automatically switch to the built-in PC speaker.

On-board OPL3

According to the Specification Update document from Intel, the onboard OPL3 can't be disabled.

MIDI Upgrade

The board has a connector for the optional MIDI upgrade. A SoundBlaster AWE32 Upgrade card (Goldfinch upgrade, CT1920/CT1922) can be used for this upgrade. The on-board Vibra doesn't decode the highest address bits, so you have to configure ports in a non-canonical way (for example 0x220 for the Vibra and 0x640 for the AWE32).

Power Management

The board provides very basic power management support: Hard drives and the video output can automatically be powered down after a configured time of inactivity.