ChipChat 16/32

@5150.adf ChipChat Sound Card Latest device drivers for DOS, Win (3.1, 95, NT), OS/2. Setup program

ChipChat Site (still alive)

ChipChat Base Card
Wavetable Daughterboard
ADF Hack (IRQ7 to IRQ5)
Generic Setup Values
General Technics Sound Card
ADF Section

ChipChat Base Card

J1,2 1/8" jack to Ultimedia?
P1 Audio In
P2 Mic
P3 Audio Out
P4 MIDI / Joystick
P5 Ultimedia Front Panel
P6 Sound Blaster CD Audio (GLGR)
P7 Generic CD Audio (GLGR)
P8 IBM CD Audio (RGGL)
P9 Generic CD Audio (RGGL)
P10 Unpopulated CD input
P11 Wavetable header
U1 ESS ES1688F
U2,3 Altera EPM7032LC44-15T EPLD
U4,5 NS LM386
U6 Phillips NE558D

Wavetable Daughterboard

The wavetable interface is standardized, so many different modules should be compatible with the ChipChat card.


P1 Connector to base card
U1 Yamaha OPL YMF 704-S
U2 Yamaha YAC516-E
X1 33.8688 MHz xtal

Yamaha OPL YMF 704-S Datasheet
Yamaha YAC516-E Datasheet

ChipChat Yamaha OPL4 WaveTable midi card (OPL4-WT)

ADF Hack (IRQ7 to IRQ5)

   The ChipChat sound card is set to occupy IRQ7, which might cause strange effects under Win95 with LPT1. Edit the "fixed resource" IRQ7 to IRQ5 (default setting for LPT2) - and everything will be fine.

From ChipChat:
   To use IRQ5, you need to make the following modifications:

  1. Change @5150.adf file replacing "int 7" with "int 5"
    (you must re-configure your system after updating the ADF)
  2. DOS Autoexec.bat, change DOSMIXER statement from "-7" to "-5"
  3. Win31 SYSTEM.INI, change [auddrive.drv] from "int=7" to "int=5"
  4. OS2 Config.sys, change device=ES1688DD.SYS from "/I:7" to "/I:5"
  5. Win95, use device manager to change interrupt from 7 to 5
  6. WinNT, re-install and select interrupt 5

Generic Setup Values

Sound Address 220 (may interfere with a primary TR adapter)
Interrupt Level 7 (5 supported, I see 2, 5, 7, and 10 listed in W95 doc)
DMA Arb 1 (maybe 0,1,3 supported)
General MIDI MPU-401 330

General Technics Sound Card (from William Walsh, original HERE)

At first I didn't realize it, but this may be a relabeled ChipChat sound card... dunno for sure. Looks confusing to me, but that's what I get for asking and investigating.

Adapter ID is 5150 - same as the ChipChat version... but this card actually looks more like 5130 - the Piper Research SoundPiper... it would be the same card except for the sticker that's on the one Altera IC. Yet if we look at the SoundPiper page, neither of those adapters match mine and the one pictured above. So what the heck is going on here? ChipChat's picture (original) agrees with mine almost 100%.
Ed. Tom: Are all these cards different revisions of the same base design?

General Technics is still around. They sell industrial and rackmount computers of assorted types. At one time they also sold some different PS/2 and MCA upgrade parts. Don't go to their site expecting much in the way of information on these things.

ADF Section for 05150h "ChipChat Sound Card"

ChipChat Sound Card Selection
     <Enabled (io 0200h-020Fh 0220h-022Fh 0388h-038Bh 0330h-033Fh int 7 arb 1)>, Disabled

   Resources are fixed because many software programs assume and require these settings. Address Range (hex): [200-20F, 220-22F, 388-38B, 330-33F]
DMA Arbitration Level:[1], IRQ Interrupt:[7].

Content created and/or collected by:
Louis Ohland, Peter Wendt, David Beem, William Walsh, Tatsuo Sunagawa, Jim Shorney, Tim Clarke, Kevin Bowling, Tomáš Slavotínek, and many others.

Ardent Tool of Capitalism - MAD Edition! is maintained by Tomáš Slavotínek.
Last update: 04 Oct 2022 - Changelog | Legal Info & Contact