Re: Memory on boot via int 0x15

From: Jeff Garzik (
Date: Thu May 25 2000 - 21:29:26 EST

"Richard B. Johnson" wrote:
> Does anybody really know what BIOS function 0xe801, interrupt
> 0x15 is supposed to return? I mean, by specification, not conjecture.
> None of my BIOS books show a spec for this function number.

Ralf Brown's massive (and nearly canonical) collection is at

The specific documentation you are looking for is described as "int 15,
ah=88h, SYSTEM - GET EXTENDED MEMORY SIZE (286+)", and a direct link to
its info is at


Jeff Garzik              | Liberty is always dangerous, but
Building 1024            | it is the safest thing we have.
MandrakeSoft, Inc.       |      -- Harry Emerson Fosdick

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